Dec 18 05:32:14.533 INFO checking SSStormy/stdf-spectrogram against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:32:14.534 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/SSStormy/stdf-spectrogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:32:15.129 INFO [stdout] 80c685f4d0c914769c0c781bfbe669fa4b100d85d450382b1a11f54901e2d443
Dec 18 05:32:15.131 INFO running `"docker" "start" "-a" "80c685f4d0c914769c0c781bfbe669fa4b100d85d450382b1a11f54901e2d443"`
Dec 18 05:32:17.865 INFO [stderr]     Checking bmp v0.4.0
Dec 18 05:32:17.865 INFO [stderr]     Checking rustfft v2.0.0
Dec 18 05:32:19.284 INFO [stderr]     Checking fft v0.1.0 (/opt/crater/workdir)
Dec 18 05:32:19.785 INFO [stderr] warning: unused variable: `freq`
Dec 18 05:32:19.785 INFO [stderr]   --> src/main.rs:68:29
Dec 18 05:32:19.785 INFO [stderr]    |
Dec 18 05:32:19.786 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 18 05:32:19.786 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 18 05:32:19.786 INFO [stderr]    |
Dec 18 05:32:19.786 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:32:19.787 INFO [stderr] 
Dec 18 05:32:19.787 INFO [stderr] warning: unused variable: `sampleSize`
Dec 18 05:32:19.788 INFO [stderr]   --> src/main.rs:40:9
Dec 18 05:32:19.788 INFO [stderr]    |
Dec 18 05:32:19.788 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 18 05:32:19.788 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 18 05:32:19.789 INFO [stderr] 
Dec 18 05:32:19.789 INFO [stderr] warning: unused variable: `i`
Dec 18 05:32:19.789 INFO [stderr]   --> src/main.rs:95:9
Dec 18 05:32:19.789 INFO [stderr]    |
Dec 18 05:32:19.790 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 18 05:32:19.790 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 05:32:19.790 INFO [stderr] 
Dec 18 05:32:19.845 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 18 05:32:19.845 INFO [stderr]   --> src/main.rs:28:27
Dec 18 05:32:19.845 INFO [stderr]    |
Dec 18 05:32:19.846 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 18 05:32:19.846 INFO [stderr]    |                           ^^^^^^^^^^
Dec 18 05:32:19.846 INFO [stderr]    |
Dec 18 05:32:19.846 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 05:32:19.847 INFO [stderr] 
Dec 18 05:32:19.847 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 18 05:32:19.848 INFO [stderr]   --> src/main.rs:40:9
Dec 18 05:32:19.848 INFO [stderr]    |
Dec 18 05:32:19.848 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 18 05:32:19.848 INFO [stderr]    |         ^^^^^^^^^^
Dec 18 05:32:19.849 INFO [stderr] 
Dec 18 05:32:19.849 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 18 05:32:19.849 INFO [stderr]   --> src/main.rs:50:10
Dec 18 05:32:19.850 INFO [stderr]    |
Dec 18 05:32:19.850 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 18 05:32:19.850 INFO [stderr]    |          ^^^^^^^
Dec 18 05:32:19.850 INFO [stderr] 
Dec 18 05:32:19.851 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 18 05:32:19.851 INFO [stderr]   --> src/main.rs:50:19
Dec 18 05:32:19.851 INFO [stderr]    |
Dec 18 05:32:19.852 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 18 05:32:19.852 INFO [stderr]    |                   ^^^^^^^
Dec 18 05:32:19.852 INFO [stderr] 
Dec 18 05:32:19.853 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 18 05:32:19.853 INFO [stderr]   --> src/main.rs:51:10
Dec 18 05:32:19.853 INFO [stderr]    |
Dec 18 05:32:19.853 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 18 05:32:19.853 INFO [stderr]    |          ^^^^^^^^^
Dec 18 05:32:19.854 INFO [stderr] 
Dec 18 05:32:19.854 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 18 05:32:19.854 INFO [stderr]   --> src/main.rs:51:21
Dec 18 05:32:19.854 INFO [stderr]    |
Dec 18 05:32:19.855 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 18 05:32:19.855 INFO [stderr]    |                     ^^^^^^^^^
Dec 18 05:32:19.855 INFO [stderr] 
Dec 18 05:32:19.855 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 18 05:32:19.856 INFO [stderr]   --> src/main.rs:55:13
Dec 18 05:32:19.856 INFO [stderr]    |
Dec 18 05:32:19.856 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 18 05:32:19.856 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 18 05:32:19.856 INFO [stderr] 
Dec 18 05:32:19.857 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 18 05:32:19.857 INFO [stderr]   --> src/main.rs:61:50
Dec 18 05:32:19.857 INFO [stderr]    |
Dec 18 05:32:19.857 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 18 05:32:19.858 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 18 05:32:19.858 INFO [stderr] 
Dec 18 05:32:19.858 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 18 05:32:19.858 INFO [stderr]   --> src/main.rs:62:25
Dec 18 05:32:19.859 INFO [stderr]    |
Dec 18 05:32:19.859 INFO [stderr] 62 |                     let minFreq = 20;
Dec 18 05:32:19.859 INFO [stderr]    |                         ^^^^^^^
Dec 18 05:32:19.859 INFO [stderr] 
Dec 18 05:32:19.859 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 18 05:32:19.860 INFO [stderr]   --> src/main.rs:63:25
Dec 18 05:32:19.860 INFO [stderr]    |
Dec 18 05:32:19.860 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 18 05:32:19.860 INFO [stderr]    |                         ^^^^^^^
Dec 18 05:32:19.861 INFO [stderr] 
Dec 18 05:32:19.861 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 18 05:32:19.861 INFO [stderr]   --> src/main.rs:53:9
Dec 18 05:32:19.861 INFO [stderr]    |
Dec 18 05:32:19.862 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 18 05:32:19.862 INFO [stderr]    |         ^^^^^^^^^^^
Dec 18 05:32:19.862 INFO [stderr] 
Dec 18 05:32:19.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.863 INFO [stderr]   --> src/main.rs:88:9
Dec 18 05:32:19.863 INFO [stderr]    |
Dec 18 05:32:19.864 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 18 05:32:19.864 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.864 INFO [stderr]    |
Dec 18 05:32:19.865 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:32:19.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.865 INFO [stderr] 
Dec 18 05:32:19.865 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 18 05:32:19.866 INFO [stderr]   --> src/main.rs:96:13
Dec 18 05:32:19.866 INFO [stderr]    |
Dec 18 05:32:19.866 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 18 05:32:19.866 INFO [stderr]    |             ^^^^^^^
Dec 18 05:32:19.867 INFO [stderr] 
Dec 18 05:32:19.867 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 18 05:32:19.867 INFO [stderr]   --> src/main.rs:97:13
Dec 18 05:32:19.867 INFO [stderr]    |
Dec 18 05:32:19.868 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 18 05:32:19.868 INFO [stderr]    |             ^^^^^^^^^
Dec 18 05:32:19.868 INFO [stderr] 
Dec 18 05:32:19.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.869 INFO [stderr]    --> src/main.rs:113:25
Dec 18 05:32:19.869 INFO [stderr]     |
Dec 18 05:32:19.869 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 18 05:32:19.870 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.870 INFO [stderr]     |
Dec 18 05:32:19.870 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.870 INFO [stderr] 
Dec 18 05:32:19.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.871 INFO [stderr]    --> src/main.rs:144:25
Dec 18 05:32:19.871 INFO [stderr]     |
Dec 18 05:32:19.871 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 18 05:32:19.872 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.872 INFO [stderr]     |
Dec 18 05:32:19.872 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.872 INFO [stderr] 
Dec 18 05:32:19.944 INFO [stderr] warning: unused variable: `freq`
Dec 18 05:32:19.944 INFO [stderr]   --> src/main.rs:68:29
Dec 18 05:32:19.944 INFO [stderr]    |
Dec 18 05:32:19.944 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 18 05:32:19.944 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 18 05:32:19.944 INFO [stderr]    |
Dec 18 05:32:19.944 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:32:19.944 INFO [stderr] 
Dec 18 05:32:19.945 INFO [stderr] warning: unused variable: `sampleSize`
Dec 18 05:32:19.945 INFO [stderr]   --> src/main.rs:40:9
Dec 18 05:32:19.945 INFO [stderr]    |
Dec 18 05:32:19.945 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 18 05:32:19.945 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 18 05:32:19.945 INFO [stderr] 
Dec 18 05:32:19.945 INFO [stderr] warning: unused variable: `i`
Dec 18 05:32:19.945 INFO [stderr]   --> src/main.rs:95:9
Dec 18 05:32:19.945 INFO [stderr]    |
Dec 18 05:32:19.945 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 18 05:32:19.945 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 05:32:19.945 INFO [stderr] 
Dec 18 05:32:19.993 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 18 05:32:19.993 INFO [stderr]   --> src/main.rs:28:27
Dec 18 05:32:19.993 INFO [stderr]    |
Dec 18 05:32:19.993 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 18 05:32:19.993 INFO [stderr]    |                           ^^^^^^^^^^
Dec 18 05:32:19.993 INFO [stderr]    |
Dec 18 05:32:19.993 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 05:32:19.993 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:40:9
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 18 05:32:19.994 INFO [stderr]    |         ^^^^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:50:10
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 18 05:32:19.994 INFO [stderr]    |          ^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:50:19
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 18 05:32:19.994 INFO [stderr]    |                   ^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:51:10
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 18 05:32:19.994 INFO [stderr]    |          ^^^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:51:21
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 18 05:32:19.994 INFO [stderr]    |                     ^^^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:55:13
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 18 05:32:19.994 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 18 05:32:19.994 INFO [stderr] 
Dec 18 05:32:19.994 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 18 05:32:19.994 INFO [stderr]   --> src/main.rs:61:50
Dec 18 05:32:19.994 INFO [stderr]    |
Dec 18 05:32:19.994 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 18 05:32:19.994 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:62:25
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 62 |                     let minFreq = 20;
Dec 18 05:32:19.995 INFO [stderr]    |                         ^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:63:25
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 18 05:32:19.995 INFO [stderr]    |                         ^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:53:9
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 18 05:32:19.995 INFO [stderr]    |         ^^^^^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:88:9
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 18 05:32:19.995 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:32:19.995 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:96:13
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 18 05:32:19.995 INFO [stderr]    |             ^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 18 05:32:19.995 INFO [stderr]   --> src/main.rs:97:13
Dec 18 05:32:19.995 INFO [stderr]    |
Dec 18 05:32:19.995 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 18 05:32:19.995 INFO [stderr]    |             ^^^^^^^^^
Dec 18 05:32:19.995 INFO [stderr] 
Dec 18 05:32:19.995 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.995 INFO [stderr]    --> src/main.rs:113:25
Dec 18 05:32:19.995 INFO [stderr]     |
Dec 18 05:32:19.995 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 18 05:32:19.995 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.995 INFO [stderr]     |
Dec 18 05:32:19.995 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.996 INFO [stderr] 
Dec 18 05:32:19.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:32:19.996 INFO [stderr]    --> src/main.rs:144:25
Dec 18 05:32:19.996 INFO [stderr]     |
Dec 18 05:32:19.996 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 18 05:32:19.997 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:32:19.997 INFO [stderr]     |
Dec 18 05:32:19.997 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:32:19.997 INFO [stderr] 
Dec 18 05:32:20.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
Dec 18 05:32:21.796 INFO running `"docker" "inspect" "80c685f4d0c914769c0c781bfbe669fa4b100d85d450382b1a11f54901e2d443"`
Dec 18 05:32:22.177 INFO running `"docker" "rm" "-f" "80c685f4d0c914769c0c781bfbe669fa4b100d85d450382b1a11f54901e2d443"`
Dec 18 05:32:22.492 INFO [stdout] 80c685f4d0c914769c0c781bfbe669fa4b100d85d450382b1a11f54901e2d443