use of undeclared crate or module `tracing` #4939

mutantbob · 2022-08-24T13:20:43Z

Version

tokio v1.17.0
tokio-util v0.7.1

Platform

Linux herakleion 5.4.72-gentoo #1 SMP Fri Nov 13 19:51:13 EST 2020 x86_64 Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz GenuineIntel GNU/Linux

Description
I dusted off an old app that uses the reqwest crate and tried to compile it and got the following error:

error[E0432]: unresolved import `tracing`
  --> /home/thoth/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-util-0.7.1/src/codec/framed_impl.rs:15:5
   |
15 | use tracing::trace;
   |     ^^^^^^^ use of undeclared crate or module `tracing`

cargo tree reports

decrypting-download v0.1.0 (/home/thoth/src/rust-arduino-blink-3/decrypting-download)
|-- bytes feature "default"
|   |-- bytes v1.1.0
|   `-- bytes feature "std"
|       `-- bytes v1.1.0
|-- chacha20 feature "default"
|   `-- chacha20 v0.9.0
|       |-- cfg-if feature "default"
|       |   `-- cfg-if v1.0.0
|       |-- cipher feature "default"
|       |   `-- cipher v0.4.3
|       |       |-- crypto-common feature "default"
|       |       |   `-- crypto-common v0.1.3
|       |       |       |-- generic-array feature "default"
|       |       |       |   `-- generic-array v0.14.5
|       |       |       |       `-- typenum feature "default"
|       |       |       |           `-- typenum v1.15.0
|       |       |       |       [build-dependencies]
|       |       |       |       `-- version_check feature "default"
|       |       |       |           `-- version_check v0.9.4
|       |       |       |-- generic-array feature "more_lengths"
|       |       |       |   `-- generic-array v0.14.5 (*)
|       |       |       `-- typenum feature "default" (*)
|       |       `-- inout feature "default"
|       |           `-- inout v0.1.3
|       |               `-- generic-array feature "default" (*)
|       `-- cpufeatures feature "default"
|           `-- cpufeatures v0.2.2
|-- cipher feature "default" (*)
|-- curl feature "default"
|   |-- curl v0.4.43
|   |   |-- curl-sys v0.4.53+curl-7.82.0
|   |   |   |-- libc feature "default"
|   |   |   |   |-- libc v0.2.124
|   |   |   |   `-- libc feature "std"
|   |   |   |       `-- libc v0.2.124
|   |   |   |-- libz-sys feature "libc"
|   |   |   |   `-- libz-sys v1.1.5
|   |   |   |       `-- libc feature "default" (*)
|   |   |   |       [build-dependencies]
|   |   |   |       |-- cc feature "default"
|   |   |   |       |   `-- cc v1.0.73
|   |   |   |       `-- pkg-config feature "default"
|   |   |   |           `-- pkg-config v0.3.25
|   |   |   `-- openssl-sys feature "default"
|   |   |       `-- openssl-sys v0.9.72
|   |   |           `-- libc feature "default" (*)
|   |   |           [build-dependencies]
|   |   |           |-- cc feature "default" (*)
|   |   |           |-- pkg-config feature "default" (*)
|   |   |           `-- autocfg feature "default"
|   |   |               `-- autocfg v1.1.0
|   |   |   [build-dependencies]
|   |   |   |-- cc feature "default" (*)
|   |   |   `-- pkg-config feature "default" (*)
|   |   |-- libc feature "default" (*)
|   |   |-- openssl-sys feature "default" (*)
|   |   |-- openssl-probe feature "default"
|   |   |   `-- openssl-probe v0.1.5
|   |   `-- socket2 feature "default"
|   |       `-- socket2 v0.4.4
|   |           `-- libc feature "default" (*)
|   `-- curl feature "ssl"
|       |-- curl v0.4.43 (*)
|       |-- curl feature "openssl-probe"
|       |   `-- curl v0.4.43 (*)
|       |-- curl feature "openssl-sys"
|       |   `-- curl v0.4.43 (*)
|       `-- curl-sys feature "ssl"
|           |-- curl-sys v0.4.53+curl-7.82.0 (*)
|           `-- curl-sys feature "openssl-sys"
|               `-- curl-sys v0.4.53+curl-7.82.0 (*)
|-- regex feature "default"
|   |-- regex v1.5.5
|   |   |-- regex-syntax v0.6.25
|   |   |-- aho-corasick feature "default"
|   |   |   |-- aho-corasick v0.7.18
|   |   |   |   `-- memchr v2.4.1
|   |   |   `-- aho-corasick feature "std"
|   |   |       |-- aho-corasick v0.7.18 (*)
|   |   |       `-- memchr feature "std"
|   |   |           `-- memchr v2.4.1
|   |   `-- memchr feature "default"
|   |       |-- memchr v2.4.1
|   |       `-- memchr feature "std" (*)
|   |-- regex feature "perf"
|   |   |-- regex v1.5.5 (*)
|   |   |-- regex feature "perf-cache"
|   |   |   `-- regex v1.5.5 (*)
|   |   |-- regex feature "perf-dfa"
|   |   |   `-- regex v1.5.5 (*)
|   |   |-- regex feature "perf-inline"
|   |   |   `-- regex v1.5.5 (*)
|   |   `-- regex feature "perf-literal"
|   |       |-- regex v1.5.5 (*)
|   |       |-- regex feature "aho-corasick"
|   |       |   `-- regex v1.5.5 (*)
|   |       `-- regex feature "memchr"
|   |           `-- regex v1.5.5 (*)
|   |-- regex feature "std"
|   |   `-- regex v1.5.5 (*)
|   |-- regex feature "unicode"
|   |   |-- regex v1.5.5 (*)
|   |   |-- regex feature "unicode-age"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-age"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-bool"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-bool"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-case"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-case"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-gencat"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-gencat"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-perl"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-perl"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-script"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-script"
|   |   |       `-- regex-syntax v0.6.25
|   |   |-- regex feature "unicode-segment"
|   |   |   |-- regex v1.5.5 (*)
|   |   |   `-- regex-syntax feature "unicode-segment"
|   |   |       `-- regex-syntax v0.6.25
|   |   `-- regex-syntax feature "unicode"
|   |       |-- regex-syntax v0.6.25
|   |       |-- regex-syntax feature "unicode-age" (*)
|   |       |-- regex-syntax feature "unicode-bool" (*)
|   |       |-- regex-syntax feature "unicode-case" (*)
|   |       |-- regex-syntax feature "unicode-gencat" (*)
|   |       |-- regex-syntax feature "unicode-perl" (*)
|   |       |-- regex-syntax feature "unicode-script" (*)
|   |       `-- regex-syntax feature "unicode-segment" (*)
|   `-- regex-syntax feature "default"
|       |-- regex-syntax v0.6.25
|       `-- regex-syntax feature "unicode" (*)
|-- reqwest feature "default"
|   |-- reqwest v0.11.10
|   |   |-- futures-core v0.3.21
|   |   |-- futures-util v0.3.21
|   |   |   |-- futures-core v0.3.21
|   |   |   |-- futures-task v0.3.21
|   |   |   |-- pin-project-lite feature "default"
|   |   |   |   `-- pin-project-lite v0.2.8
|   |   |   `-- pin-utils feature "default"
|   |   |       `-- pin-utils v0.1.0
|   |   |-- bytes feature "default" (*)
|   |   |-- base64 feature "default"
|   |   |   |-- base64 v0.13.0
|   |   |   `-- base64 feature "std"
|   |   |       `-- base64 v0.13.0
|   |   |-- encoding_rs feature "default"
|   |   |   |-- encoding_rs v0.8.31
|   |   |   |   `-- cfg-if feature "default" (*)
|   |   |   `-- encoding_rs feature "alloc"
|   |   |       `-- encoding_rs v0.8.31 (*)
|   |   |-- pin-project-lite feature "default" (*)
|   |   |-- h2 feature "default"
|   |   |   `-- h2 v0.3.13
|   |   |       |-- futures-core v0.3.21
|   |   |       |-- futures-sink v0.3.21
|   |   |       |-- futures-util v0.3.21 (*)
|   |   |       |-- bytes feature "default" (*)
|   |   |       |-- fnv feature "default"
|   |   |       |   |-- fnv v1.0.7
|   |   |       |   `-- fnv feature "std"
|   |   |       |       `-- fnv v1.0.7
|   |   |       |-- http feature "default"
|   |   |       |   `-- http v0.2.6
|   |   |       |       |-- bytes feature "default" (*)
|   |   |       |       |-- fnv feature "default" (*)
|   |   |       |       `-- itoa feature "default"
|   |   |       |           `-- itoa v1.0.1
|   |   |       |-- indexmap feature "default"
|   |   |       |   `-- indexmap v1.8.1
|   |   |       |       `-- hashbrown feature "raw"
|   |   |       |           `-- hashbrown v0.11.2
|   |   |       |       [build-dependencies]
|   |   |       |       `-- autocfg feature "default" (*)
|   |   |       |-- indexmap feature "std"
|   |   |       |   `-- indexmap v1.8.1 (*)
|   |   |       |-- slab feature "default"
|   |   |       |   |-- slab v0.4.6
|   |   |       |   `-- slab feature "std"
|   |   |       |       `-- slab v0.4.6
|   |   |       |-- tokio feature "default"
|   |   |       |   `-- tokio v1.17.0
|   |   |       |       |-- bytes feature "default" (*)
|   |   |       |       |-- libc feature "default" (*)
|   |   |       |       |-- socket2 feature "all"
|   |   |       |       |   `-- socket2 v0.4.4 (*)
|   |   |       |       |-- socket2 feature "default" (*)
|   |   |       |       |-- memchr feature "default" (*)
|   |   |       |       |-- pin-project-lite feature "default" (*)
|   |   |       |       |-- mio feature "default"
|   |   |       |       |   `-- mio v0.8.2
|   |   |       |       |       |-- libc feature "default" (*)
|   |   |       |       |       `-- log feature "default"
|   |   |       |       |           `-- log v0.4.16
|   |   |       |       |               `-- cfg-if feature "default" (*)
|   |   |       |       |-- num_cpus feature "default"
|   |   |       |       |   `-- num_cpus v1.13.1
|   |   |       |       |       `-- libc feature "default" (*)
|   |   |       |       `-- tokio-macros feature "default"
|   |   |       |           `-- tokio-macros v1.7.0 (proc-macro)
|   |   |       |               |-- proc-macro2 feature "default"
|   |   |       |               |   |-- proc-macro2 v1.0.37
|   |   |       |               |   |   `-- unicode-xid feature "default"
|   |   |       |               |   |       `-- unicode-xid v0.2.2
|   |   |       |               |   `-- proc-macro2 feature "proc-macro"
|   |   |       |               |       `-- proc-macro2 v1.0.37 (*)
|   |   |       |               |-- quote feature "default"
|   |   |       |               |   |-- quote v1.0.18
|   |   |       |               |   |   `-- proc-macro2 v1.0.37 (*)
|   |   |       |               |   `-- quote feature "proc-macro"
|   |   |       |               |       |-- quote v1.0.18 (*)
|   |   |       |               |       `-- proc-macro2 feature "proc-macro" (*)
|   |   |       |               |-- syn feature "default"
|   |   |       |               |   |-- syn v1.0.91
|   |   |       |               |   |   |-- proc-macro2 v1.0.37 (*)
|   |   |       |               |   |   |-- quote v1.0.18 (*)
|   |   |       |               |   |   `-- unicode-xid feature "default" (*)
|   |   |       |               |   |-- syn feature "clone-impls"
|   |   |       |               |   |   `-- syn v1.0.91 (*)
|   |   |       |               |   |-- syn feature "derive"
|   |   |       |               |   |   `-- syn v1.0.91 (*)
|   |   |       |               |   |-- syn feature "parsing"
|   |   |       |               |   |   `-- syn v1.0.91 (*)
|   |   |       |               |   |-- syn feature "printing"
|   |   |       |               |   |   |-- syn v1.0.91 (*)
|   |   |       |               |   |   `-- syn feature "quote"
|   |   |       |               |   |       `-- syn v1.0.91 (*)
|   |   |       |               |   `-- syn feature "proc-macro"
|   |   |       |               |       |-- syn v1.0.91 (*)
|   |   |       |               |       |-- proc-macro2 feature "proc-macro" (*)
|   |   |       |               |       |-- quote feature "proc-macro" (*)
|   |   |       |               |       `-- syn feature "quote" (*)
|   |   |       |               `-- syn feature "full"
|   |   |       |                   `-- syn v1.0.91 (*)
|   |   |       |-- tokio feature "io-util"
|   |   |       |   |-- tokio v1.17.0 (*)
|   |   |       |   |-- tokio feature "bytes"
|   |   |       |   |   `-- tokio v1.17.0 (*)
|   |   |       |   `-- tokio feature "memchr"
|   |   |       |       `-- tokio v1.17.0 (*)
|   |   |       |-- tokio-util feature "codec"
|   |   |       |   |-- tokio-util v0.7.1
|   |   |       |   |   |-- bytes feature "default" (*)
|   |   |       |   |   |-- futures-core feature "default"
|   |   |       |   |   |   |-- futures-core v0.3.21
|   |   |       |   |   |   `-- futures-core feature "std"
|   |   |       |   |   |       |-- futures-core v0.3.21
|   |   |       |   |   |       `-- futures-core feature "alloc"
|   |   |       |   |   |           `-- futures-core v0.3.21
|   |   |       |   |   |-- pin-project-lite feature "default" (*)
|   |   |       |   |   |-- futures-sink feature "default"
|   |   |       |   |   |   |-- futures-sink v0.3.21
|   |   |       |   |   |   `-- futures-sink feature "std"
|   |   |       |   |   |       |-- futures-sink v0.3.21
|   |   |       |   |   |       `-- futures-sink feature "alloc"
|   |   |       |   |   |           `-- futures-sink v0.3.21
|   |   |       |   |   |-- tokio feature "default" (*)
|   |   |       |   |   |-- tokio feature "sync"
|   |   |       |   |   |   `-- tokio v1.17.0 (*)
|   |   |       |   |   `-- tracing feature "default"
|   |   |       |   |       |-- tracing v0.1.34
|   |   |       |   |       |   |-- tracing-core v0.1.26
|   |   |       |   |       |   |   `-- lazy_static feature "default"
|   |   |       |   |       |   |       `-- lazy_static v1.4.0
|   |   |       |   |       |   |-- cfg-if feature "default" (*)
|   |   |       |   |       |   |-- pin-project-lite feature "default" (*)
|   |   |       |   |       |   `-- tracing-attributes feature "default"
|   |   |       |   |       |       `-- tracing-attributes v0.1.20 (proc-macro)
|   |   |       |   |       |           |-- proc-macro2 feature "default" (*)
|   |   |       |   |       |           |-- quote feature "default" (*)
|   |   |       |   |       |           |-- syn feature "clone-impls" (*)
|   |   |       |   |       |           |-- syn feature "extra-traits"
|   |   |       |   |       |           |   `-- syn v1.0.91 (*)
|   |   |       |   |       |           |-- syn feature "full" (*)
|   |   |       |   |       |           |-- syn feature "parsing" (*)
|   |   |       |   |       |           |-- syn feature "printing" (*)
|   |   |       |   |       |           |-- syn feature "proc-macro" (*)
|   |   |       |   |       |           |-- syn feature "visit"
|   |   |       |   |       |           |   `-- syn v1.0.91 (*)
|   |   |       |   |       |           `-- syn feature "visit-mut"
|   |   |       |   |       |               `-- syn v1.0.91 (*)
|   |   |       |   |       |-- tracing feature "attributes"
|   |   |       |   |       |   |-- tracing v0.1.34 (*)
|   |   |       |   |       |   `-- tracing feature "tracing-attributes"
|   |   |       |   |       |       `-- tracing v0.1.34 (*)
|   |   |       |   |       `-- tracing feature "std"
|   |   |       |   |           |-- tracing v0.1.34 (*)
|   |   |       |   |           `-- tracing-core feature "std"
|   |   |       |   |               |-- tracing-core v0.1.26 (*)
|   |   |       |   |               `-- tracing-core feature "lazy_static"
|   |   |       |   |                   `-- tracing-core v0.1.26 (*)
|   |   |       |   `-- tokio-util feature "tracing"
|   |   |       |       `-- tokio-util v0.7.1 (*)
|   |   |       |-- tokio-util feature "default"
|   |   |       |   `-- tokio-util v0.7.1 (*)
|   |   |       `-- tracing feature "std" (*)
|   |   |-- http feature "default" (*)
|   |   |-- tokio feature "net"
|   |   |   |-- tokio v1.17.0 (*)
|   |   |   |-- tokio feature "libc"
|   |   |   |   `-- tokio v1.17.0 (*)
|   |   |   |-- tokio feature "mio"
|   |   |   |   `-- tokio v1.17.0 (*)
|   |   |   |-- tokio feature "socket2"
|   |   |   |   `-- tokio v1.17.0 (*)
|   |   |   |-- mio feature "net"
|   |   |   |   `-- mio v0.8.2 (*)
|   |   |   |-- mio feature "os-ext"
|   |   |   |   |-- mio v0.8.2 (*)
|   |   |   |   `-- mio feature "os-poll"
|   |   |   |       `-- mio v0.8.2 (*)
|   |   |   `-- mio feature "os-poll" (*)
|   |   |-- tokio feature "time"
|   |   |   `-- tokio v1.17.0 (*)
|   |   |-- log feature "default" (*)
|   |   |-- lazy_static feature "default" (*)
|   |   |-- http-body feature "default"
|   |   |   `-- http-body v0.4.4
|   |   |       |-- bytes feature "default" (*)
|   |   |       |-- pin-project-lite feature "default" (*)
|   |   |       `-- http feature "default" (*)
|   |   |-- hyper feature "client"
|   |   |   `-- hyper v0.14.18
|   |   |       |-- futures-core v0.3.21
|   |   |       |-- futures-util v0.3.21 (*)
|   |   |       |-- bytes feature "default" (*)
|   |   |       |-- socket2 feature "default" (*)
|   |   |       |-- pin-project-lite feature "default" (*)
|   |   |       |-- h2 feature "default" (*)
|   |   |       |-- http feature "default" (*)
|   |   |       |-- itoa feature "default" (*)
|   |   |       |-- tokio feature "default" (*)
|   |   |       |-- tokio feature "sync" (*)
|   |   |       |-- tracing feature "std" (*)
|   |   |       |-- http-body feature "default" (*)
|   |   |       |-- futures-channel feature "default"
|   |   |       |   |-- futures-channel v0.3.21
|   |   |       |   |   `-- futures-core v0.3.21
|   |   |       |   `-- futures-channel feature "std"
|   |   |       |       |-- futures-channel v0.3.21 (*)
|   |   |       |       |-- futures-core feature "std" (*)
|   |   |       |       `-- futures-channel feature "alloc"
|   |   |       |           |-- futures-channel v0.3.21 (*)
|   |   |       |           `-- futures-core feature "alloc" (*)
|   |   |       |-- httparse feature "default"
|   |   |       |   |-- httparse v1.7.0
|   |   |       |   `-- httparse feature "std"
|   |   |       |       `-- httparse v1.7.0
|   |   |       |-- httpdate feature "default"
|   |   |       |   `-- httpdate v1.0.2
|   |   |       |-- tower-service feature "default"
|   |   |       |   `-- tower-service v0.3.1
|   |   |       `-- want feature "default"
|   |   |           `-- want v0.3.0
|   |   |               |-- log feature "default" (*)
|   |   |               `-- try-lock feature "default"
|   |   |                   `-- try-lock v0.2.3
|   |   |-- hyper feature "http1"
|   |   |   `-- hyper v0.14.18 (*)
|   |   |-- hyper feature "http2"
|   |   |   |-- hyper v0.14.18 (*)
|   |   |   `-- hyper feature "h2"
|   |   |       `-- hyper v0.14.18 (*)
|   |   |-- hyper feature "runtime"
|   |   |   |-- hyper v0.14.18 (*)
|   |   |   |-- tokio feature "rt"
|   |   |   |   `-- tokio v1.17.0 (*)
|   |   |   |-- tokio feature "time" (*)
|   |   |   `-- hyper feature "tcp"
|   |   |       |-- hyper v0.14.18 (*)
|   |   |       |-- tokio feature "net" (*)
|   |   |       |-- tokio feature "rt" (*)
|   |   |       |-- tokio feature "time" (*)
|   |   |       `-- hyper feature "socket2"
|   |   |           `-- hyper v0.14.18 (*)
|   |   |-- hyper feature "tcp" (*)
|   |   |-- hyper-tls feature "default"
|   |   |   `-- hyper-tls v0.5.0
|   |   |       |-- bytes feature "default" (*)
|   |   |       |-- tokio feature "default" (*)
|   |   |       |-- hyper feature "client" (*)
|   |   |       |-- hyper feature "tcp" (*)
|   |   |       |-- native-tls feature "default"
|   |   |       |   `-- native-tls v0.2.10
|   |   |       |       |-- openssl-sys feature "default" (*)
|   |   |       |       |-- openssl-probe feature "default" (*)
|   |   |       |       |-- log feature "default" (*)
|   |   |       |       `-- openssl feature "default"
|   |   |       |           `-- openssl v0.10.38
|   |   |       |               |-- cfg-if feature "default" (*)
|   |   |       |               |-- libc feature "default" (*)
|   |   |       |               |-- openssl-sys feature "default" (*)
|   |   |       |               |-- bitflags feature "default"
|   |   |       |               |   `-- bitflags v1.3.2
|   |   |       |               |-- foreign-types feature "default"
|   |   |       |               |   `-- foreign-types v0.3.2
|   |   |       |               |       `-- foreign-types-shared feature "default"
|   |   |       |               |           `-- foreign-types-shared v0.1.1
|   |   |       |               `-- once_cell feature "default"
|   |   |       |                   |-- once_cell v1.10.0
|   |   |       |                   `-- once_cell feature "std"
|   |   |       |                       |-- once_cell v1.10.0
|   |   |       |                       `-- once_cell feature "alloc"
|   |   |       |                           |-- once_cell v1.10.0
|   |   |       |                           `-- once_cell feature "race"
|   |   |       |                               `-- once_cell v1.10.0
|   |   |       `-- tokio-native-tls feature "default"
|   |   |           `-- tokio-native-tls v0.3.0
|   |   |               |-- tokio feature "default" (*)
|   |   |               `-- native-tls feature "default" (*)
|   |   |-- native-tls feature "default" (*)
|   |   |-- tokio-native-tls feature "default" (*)
|   |   |-- ipnet feature "default"
|   |   |   `-- ipnet v2.5.0
|   |   |-- mime feature "default"
|   |   |   `-- mime v0.3.16
|   |   |-- percent-encoding feature "default"
|   |   |   `-- percent-encoding v2.1.0
|   |   |-- serde feature "default"
|   |   |   |-- serde v1.0.136
|   |   |   `-- serde feature "std"
|   |   |       `-- serde v1.0.136
|   |   |-- serde_urlencoded feature "default"
|   |   |   `-- serde_urlencoded v0.7.1
|   |   |       |-- itoa feature "default" (*)
|   |   |       |-- serde feature "default" (*)
|   |   |       |-- form_urlencoded feature "default"
|   |   |       |   `-- form_urlencoded v1.0.1
|   |   |       |       |-- percent-encoding feature "default" (*)
|   |   |       |       `-- matches feature "default"
|   |   |       |           `-- matches v0.1.9
|   |   |       `-- ryu feature "default"
|   |   |           `-- ryu v1.0.9
|   |   `-- url feature "default"
|   |       `-- url v2.2.2
|   |           |-- percent-encoding feature "default" (*)
|   |           |-- form_urlencoded feature "default" (*)
|   |           |-- matches feature "default" (*)
|   |           `-- idna feature "default"
|   |               `-- idna v0.2.3
|   |                   |-- matches feature "default" (*)
|   |                   |-- unicode-bidi feature "default"
|   |                   |   |-- unicode-bidi v0.3.7
|   |                   |   `-- unicode-bidi feature "std"
|   |                   |       `-- unicode-bidi v0.3.7
|   |                   `-- unicode-normalization feature "default"
|   |                       |-- unicode-normalization v0.1.19
|   |                       |   |-- tinyvec feature "alloc"
|   |                       |   |   |-- tinyvec v1.5.1
|   |                       |   |   |   `-- tinyvec_macros feature "default"
|   |                       |   |   |       `-- tinyvec_macros v0.1.0
|   |                       |   |   `-- tinyvec feature "tinyvec_macros"
|   |                       |   |       `-- tinyvec v1.5.1 (*)
|   |                       |   `-- tinyvec feature "default"
|   |                       |       `-- tinyvec v1.5.1 (*)
|   |                       `-- unicode-normalization feature "std"
|   |                           `-- unicode-normalization v0.1.19 (*)
|   `-- reqwest feature "default-tls"
|       |-- reqwest v0.11.10 (*)
|       |-- reqwest feature "__tls"
|       |   `-- reqwest v0.11.10 (*)
|       |-- reqwest feature "hyper-tls"
|       |   `-- reqwest v0.11.10 (*)
|       |-- reqwest feature "native-tls-crate"
|       |   `-- reqwest v0.11.10 (*)
|       `-- reqwest feature "tokio-native-tls"
|           `-- reqwest v0.11.10 (*)
|-- tokio feature "default" (*)
|-- tokio feature "macros"
|   |-- tokio v1.17.0 (*)
|   `-- tokio feature "tokio-macros"
|       `-- tokio v1.17.0 (*)
|-- tokio feature "rt" (*)
|-- tokio feature "rt-multi-thread"
|   |-- tokio v1.17.0 (*)
|   |-- tokio feature "num_cpus"
|   |   `-- tokio v1.17.0 (*)
|   `-- tokio feature "rt" (*)
`-- serde_json feature "default"
    |-- serde_json v1.0.79
    |   |-- serde v1.0.136
    |   |-- itoa feature "default" (*)
    |   `-- ryu feature "default" (*)
    `-- serde_json feature "std"
        |-- serde_json v1.0.79 (*)
        `-- serde feature "std" (*)

Cargo.toml is

[package]
name = "decrypting-download"
version = "0.1.0"
edition = "2018"

[[bin]]
path= "src/curl.rs"
name="download-curl"

[[bin]]
path="src/reqwest.rs"
name="download-reqwest"

[[bin]]
path="src/multi-reqwest.rs"
name="download-multi-reqwest"


[dependencies]

#chacha20= {version="0.8.1"}
chacha20 = "*"
#cipher = {version="0.3.0", default-features=false}
cipher = "*"

curl="*"

reqwest="*"
bytes="*"
tokio= { version="*", features=["macros", "rt", "rt-multi-thread"] }

serde_json = "*"
regex="*"

reqwest.rs is

use bytes::Bytes;
use reqwest::get;
use std::env::args;
use std::error::Error;

mod common;

#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
    println!("Hello, world!");

    let mut args = args();
    let url = match args.next() {
        None => "http://192.168.1.2:8252/moisture".into(),
        Some(url) => url,
    };

    let body = get_payload(&url).await?;

    let key = [0x42; 32];
    let decrypted = common::NonceAndPayload::new(|x| common::chacha20_factory(x, &key))
        .absorb(&body)
        .unwrap();

    let message = String::from_utf8(decrypted);
    println!("{:?}", message);
    Ok(())
}

async fn get_payload(url: &str) -> Result<Bytes, reqwest::Error> {
    let body = get(url).await?.bytes().await?;
    Ok(body)
}

common.rs is

use chacha20::ChaCha20;
use cipher::{KeyIvInit, StreamCipher, StreamCipherError};

pub enum NonceAndPayload<C, F>
where
    F: Fn(&mut Vec<u8>) -> Option<C>,
    C: StreamCipher,
{
    ScanningForNonce(Vec<u8>, F),
    Streaming(C),
}

impl<C, F> NonceAndPayload<C, F>
where
    F: Fn(&mut Vec<u8>) -> Option<C>,
    C: StreamCipher,
{
    pub fn new(factory: F) -> Self {
        Self::ScanningForNonce(vec![], factory)
    }

    pub fn absorb(&mut self, payload: &[u8]) -> Result<Vec<u8>, StreamCipherError> {
        // println!("absorb");
        let rval = match self {
            NonceAndPayload::ScanningForNonce(buffer, factory) => {
                // println!("scanning");
                buffer.extend_from_slice(payload);
                let cipher = factory(buffer);
                match cipher {
                    None => vec![],
                    Some(mut cipher) => {
                        let mut out = vec![0; buffer.len()];
                        cipher.apply_keystream_b2b(buffer, &mut out)?;
                        *self = Self::Streaming(cipher);
                        out
                    }
                }
            }
            NonceAndPayload::Streaming(cipher) => {
                // println!("streaming");
                let mut out = vec![0; payload.len()];
                cipher.apply_keystream_b2b(payload, &mut out)?;
                out
            }
        };
        Ok(rval)
    }
}

pub fn chacha20_factory(buffer: &mut Vec<u8>, key: &[u8; 32]) -> Option<ChaCha20> {
    if buffer.len() >= 12 {
        let nonce = buffer.drain(0..12).collect::<Vec<_>>();
        // println!("nonce = {:?}", &nonce);

        let nonce: &chacha20::Nonce = nonce.as_slice().into();
        Some(ChaCha20::new(key.into(), nonce))
    } else {
        None
    }
}

Cargo.lock is

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# It is not intended for manual editing.
version = 3

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The problem evaporated after a cargo update, but there may be other old apps with a Cargo.lock that triggers this problem.

The text was updated successfully, but these errors were encountered:

Darksonn · 2022-08-25T09:01:02Z

We can't do anything about problems in old releases, so there's nothing to do here. This isn't an issue in the newest release.

matthiasg · 2024-05-14T14:07:13Z

@Darksonn i have this just now..

error[E0433]: failed to resolve: use of undeclared crate or module tracing
--> /Users/mgt/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.37.0/src/sync/rwlock.rs:432:7
|
432 | #[tracing::instrument]
| ^^^^^^^ use of undeclared crate or module tracing

Darksonn · 2024-05-14T14:29:33Z

It looks like you have accidentally modified your local copy of Tokio, because this is how the relevant line of code looks in version 1.37.0 of Tokio:

tokio/tokio/src/sync/rwlock.rs

Lines 430 to 434 in 9c337ca

    
           /// } 
        
           /// ``` 
        
           pub async fn read(&self) -> RwLockReadGuard<'_, T> { 
        
               let acquire_fut = async { 
        
                   self.s.acquire(1).await.unwrap_or_else(|_| {

I recommend that you delete the tokio-1.37.0 folder in your registry index and let cargo redownload it.

matthiasg · 2024-05-14T14:45:41Z

@Darksonn i am not aware of changing anything manually in .cargo (how would I?).

Last thing i changed was adding a .cargo/config.toml and ran cargo clean.

But I just came back here anyway to report that deleting the entire cargo registry fixed the issue, so now i just have to find out how that file could have been changed. Thanks

Darksonn · 2024-05-14T14:47:42Z

I've sometimes seen people modify their registry accidentally when they go-to-definition in their IDE. That might be what happened.

FrankReh · 2024-05-14T17:45:23Z

I've sometimes seen people modify their registry accidentally when they go-to-definition in their IDE. That might be what happened.

Yup. Happened to me for another repo just yesterday.

matthiasg · 2024-05-15T09:11:55Z

cargo should make those files readonly by default

mutantbob added A-tokio Area: The main tokio crate C-bug Category: This is a bug. labels Aug 24, 2022

Darksonn added A-tokio-util Area: The tokio-util crate M-tracing Tracing support in Tokio and removed A-tokio Area: The main tokio crate labels Aug 24, 2022

Darksonn closed this as not planned Won't fix, can't repro, duplicate, stale Aug 25, 2022

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use of undeclared crate or module `tracing` #4939

use of undeclared crate or module `tracing` #4939

mutantbob commented Aug 24, 2022

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use of undeclared crate or module tracing #4939

use of undeclared crate or module tracing #4939

Comments

mutantbob commented Aug 24, 2022

Darksonn commented Aug 25, 2022

matthiasg commented May 14, 2024

Darksonn commented May 14, 2024

matthiasg commented May 14, 2024

Darksonn commented May 14, 2024

FrankReh commented May 14, 2024

matthiasg commented May 15, 2024

use of undeclared crate or module `tracing` #4939

use of undeclared crate or module `tracing` #4939