[INFO] fetching crate fern_colored 0.6.1...
[INFO] checking fern_colored-0.6.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate fern_colored 0.6.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fern_colored 0.6.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fern_colored 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fern_colored 0.6.1
[INFO] tweaked toml for crates.io crate fern_colored 0.6.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate fern_colored 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reopen v0.3.0
[INFO] [stderr]   Downloaded syslog v3.3.0
[INFO] [stderr]   Downloaded syslog v4.0.1
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c267c6ccabfb330432fd83193f724dc9322547be32041d0d622d52c71b057852
[INFO] running `Command { std: "docker" "start" "-a" "c267c6ccabfb330432fd83193f724dc9322547be32041d0d622d52c71b057852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c267c6ccabfb330432fd83193f724dc9322547be32041d0d622d52c71b057852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c267c6ccabfb330432fd83193f724dc9322547be32041d0d622d52c71b057852", kill_on_drop: false }`
[INFO] [stdout] c267c6ccabfb330432fd83193f724dc9322547be32041d0d622d52c71b057852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a95d6e5b94f7d9f8dfbd9c838cffc75820e061fd11961176af20ca241e4bf8
[INFO] running `Command { std: "docker" "start" "-a" "67a95d6e5b94f7d9f8dfbd9c838cffc75820e061fd11961176af20ca241e4bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking fern_colored v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/write_logging.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout]    |                                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout] 46 +     let (_max_level, logger) = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]  --> examples/cmd-program.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut base_config = fern::Dispatch::new();
[INFO] [stdout]   |                           ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 + use fern_colored::Dispatch;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let mut base_config = fern::Dispatch::new();
[INFO] [stdout] 6 +     let mut base_config = Dispatch::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> examples/cmd-program.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let file_config = fern::Dispatch::new()
[INFO] [stdout]    |                       ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let file_config = fern::Dispatch::new()
[INFO] [stdout] 25 +     let file_config = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> examples/cmd-program.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let stdout_config = fern::Dispatch::new()
[INFO] [stdout]    |                         ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 37 -     let stdout_config = fern::Dispatch::new()
[INFO] [stdout] 37 +     let stdout_config = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> examples/cmd-program.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .chain(fern::log_file("program.log")?);
[INFO] [stdout]    |                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/panic_logging.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (_max_level, logger) = fern::Dispatch::new().chain(fern::Panic).into_log();
[INFO] [stdout]    |                                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let (_max_level, logger) = fern::Dispatch::new().chain(fern::Panic).into_log();
[INFO] [stdout] 11 +     let (_max_level, logger) = Dispatch::new().chain(fern::Panic).into_log();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/panic_logging.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout]    |                                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout] 19 +     let (_max_level, logger) = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/panic_logging.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             fern::Dispatch::new()
[INFO] [stdout]    |             ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 21 -             fern::Dispatch::new()
[INFO] [stdout] 21 +             Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/panic_logging.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (_max_level, logger) = fern::Dispatch::new().chain(fern::Panic).into_log();
[INFO] [stdout]    |                                                            ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/panic_logging.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .chain(fern::Panic),
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (test "write_logging") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]  --> examples/cmd-program.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn setup_logging(verbosity: u64) -> Result<(), fern::InitError> {
[INFO] [stdout]   |                                                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (test "panic_logging") due to 6 previous errors
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]  --> tests/enabled_is_deep_check.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let dummy = fern::Dispatch::new()
[INFO] [stdout]   |                 ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fern_colored::Dispatch;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let dummy = fern::Dispatch::new()
[INFO] [stdout] 6 +     let dummy = Dispatch::new()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/enabled_is_deep_check.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let stdout = fern::Dispatch::new()
[INFO] [stdout]    |                  ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let stdout = fern::Dispatch::new()
[INFO] [stdout] 10 +     let stdout = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/enabled_is_deep_check.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fern::Dispatch::new()
[INFO] [stdout]    |     ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 15 -     fern::Dispatch::new()
[INFO] [stdout] 15 +     Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (example "cmd-program") due to 6 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/channel_logging.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (_max_level, logger) = fern::Dispatch::new().chain(send).into_log();
[INFO] [stdout]    |                                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 14 -     let (_max_level, logger) = fern::Dispatch::new().chain(send).into_log();
[INFO] [stdout] 14 +     let (_max_level, logger) = Dispatch::new().chain(send).into_log();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/file_logging.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout]    |                                    ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 18 -         let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout] 18 +         let (_max_level, logger) = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/global_logging.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fern::Dispatch::new()
[INFO] [stdout]    |     ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 69 -     fern::Dispatch::new()
[INFO] [stdout] 69 +     Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> examples/meta-logging.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fern::Dispatch::new()
[INFO] [stdout]    |     ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 5  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fern::Dispatch::new()
[INFO] [stdout] 10 +     Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> examples/meta-logging.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .chain(fern::log_file("hello.txt").unwrap())
[INFO] [stdout]    |                ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/file_logging.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout]    |                                    ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Dispatch;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Dispatch`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 78 -         let (_max_level, logger) = fern::Dispatch::new()
[INFO] [stdout] 78 +         let (_max_level, logger) = Dispatch::new()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/file_logging.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |             .chain(fern::Output::file(
[INFO] [stdout]    |                    ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 2  + use fern_colored::Output;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use std::process::Output;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Output`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 82 -             .chain(fern::Output::file(
[INFO] [stdout] 82 +             .chain(Output::file(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (test "channel_logging") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/file_logging.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .chain(fern::log_file(log_file).expect("Failed to open log file"))
[INFO] [stdout]    |                    ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fern`
[INFO] [stdout]   --> tests/file_logging.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 fern::log_file(&log_file).expect("Failed to open log file"),
[INFO] [stdout]    |                 ^^^^ use of undeclared crate or module `fern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (test "enabled_is_deep_check") due to 4 previous errors
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (example "meta-logging") due to 3 previous errors
[INFO] [stderr] error: could not compile `fern_colored` (test "file_logging") due to 6 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fern_colored` (test "global_logging") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67a95d6e5b94f7d9f8dfbd9c838cffc75820e061fd11961176af20ca241e4bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a95d6e5b94f7d9f8dfbd9c838cffc75820e061fd11961176af20ca241e4bf8", kill_on_drop: false }`
[INFO] [stdout] 67a95d6e5b94f7d9f8dfbd9c838cffc75820e061fd11961176af20ca241e4bf8
