Dec 04 22:20:46.284 INFO checking ashermancinelli/rust-ml against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:20:46.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 22:20:46.716 INFO [stdout] 41567ab1a2e92477963b797e70e43b7a4b64b2348c66abbaade259fb3682eaad
Dec 04 22:20:46.718 INFO running `"docker" "start" "-a" "41567ab1a2e92477963b797e70e43b7a4b64b2348c66abbaade259fb3682eaad"`
Dec 04 22:20:47.871 INFO [stderr] usermod: no changes
Dec 04 22:20:48.027 INFO [stderr]     Checking rulinalg v0.3.7
Dec 04 22:20:51.077 INFO [stderr]     Checking rusty-machine v0.5.4
Dec 04 22:20:53.003 INFO [stderr]     Checking rust-ml v0.0.1 (/source)
Dec 04 22:20:54.299 INFO [stderr] warning: unused variable: `data`
Dec 04 22:20:54.299 INFO [stderr]   --> src/main.rs:33:12
Dec 04 22:20:54.299 INFO [stderr]    |
Dec 04 22:20:54.299 INFO [stderr] 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Dec 04 22:20:54.299 INFO [stderr]    |            ^^^^ help: consider using `_data` instead
Dec 04 22:20:54.299 INFO [stderr]    |
Dec 04 22:20:54.299 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:20:54.299 INFO [stderr] 
Dec 04 22:20:54.307 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:20:54.307 INFO [stderr]   --> src/main.rs:37:13
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr] 37 |         let mut l_to_str: Vec<String> = Vec::new();
Dec 04 22:20:54.307 INFO [stderr]    |             ----^^^^^^^^
Dec 04 22:20:54.307 INFO [stderr]    |             |
Dec 04 22:20:54.307 INFO [stderr]    |             help: remove this `mut`
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:20:54.307 INFO [stderr] 
Dec 04 22:20:54.307 INFO [stderr] warning: field is never used: `train_data`
Dec 04 22:20:54.307 INFO [stderr]   --> src/main.rs:26:5
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr] 26 |     train_data: Vec<Vec<f32>>,
Dec 04 22:20:54.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:20:54.307 INFO [stderr] 
Dec 04 22:20:54.307 INFO [stderr] warning: field is never used: `train_labels`
Dec 04 22:20:54.307 INFO [stderr]   --> src/main.rs:27:5
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr] 27 |     train_labels: Vec<usize>,
Dec 04 22:20:54.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.307 INFO [stderr] 
Dec 04 22:20:54.307 INFO [stderr] warning: field is never used: `label_to_string`
Dec 04 22:20:54.307 INFO [stderr]   --> src/main.rs:28:5
Dec 04 22:20:54.307 INFO [stderr]    |
Dec 04 22:20:54.307 INFO [stderr] 28 |     label_to_string: Vec<String>,
Dec 04 22:20:54.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.307 INFO [stderr] 
Dec 04 22:20:54.403 INFO [stderr] warning: unused variable: `data`
Dec 04 22:20:54.403 INFO [stderr]   --> src/main.rs:33:12
Dec 04 22:20:54.403 INFO [stderr]    |
Dec 04 22:20:54.403 INFO [stderr] 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Dec 04 22:20:54.404 INFO [stderr]    |            ^^^^ help: consider using `_data` instead
Dec 04 22:20:54.404 INFO [stderr]    |
Dec 04 22:20:54.404 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:20:54.404 INFO [stderr] 
Dec 04 22:20:54.407 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:20:54.407 INFO [stderr]   --> src/main.rs:37:13
Dec 04 22:20:54.407 INFO [stderr]    |
Dec 04 22:20:54.407 INFO [stderr] 37 |         let mut l_to_str: Vec<String> = Vec::new();
Dec 04 22:20:54.407 INFO [stderr]    |             ----^^^^^^^^
Dec 04 22:20:54.407 INFO [stderr]    |             |
Dec 04 22:20:54.407 INFO [stderr]    |             help: remove this `mut`
Dec 04 22:20:54.407 INFO [stderr]    |
Dec 04 22:20:54.407 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:20:54.407 INFO [stderr] 
Dec 04 22:20:54.410 INFO [stderr] warning: field is never used: `train_data`
Dec 04 22:20:54.410 INFO [stderr]   --> src/main.rs:26:5
Dec 04 22:20:54.410 INFO [stderr]    |
Dec 04 22:20:54.410 INFO [stderr] 26 |     train_data: Vec<Vec<f32>>,
Dec 04 22:20:54.410 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.410 INFO [stderr]    |
Dec 04 22:20:54.410 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:20:54.410 INFO [stderr] 
Dec 04 22:20:54.410 INFO [stderr] warning: field is never used: `train_labels`
Dec 04 22:20:54.410 INFO [stderr]   --> src/main.rs:27:5
Dec 04 22:20:54.410 INFO [stderr]    |
Dec 04 22:20:54.410 INFO [stderr] 27 |     train_labels: Vec<usize>,
Dec 04 22:20:54.410 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.410 INFO [stderr] 
Dec 04 22:20:54.410 INFO [stderr] warning: field is never used: `label_to_string`
Dec 04 22:20:54.410 INFO [stderr]   --> src/main.rs:28:5
Dec 04 22:20:54.410 INFO [stderr]    |
Dec 04 22:20:54.410 INFO [stderr] 28 |     label_to_string: Vec<String>,
Dec 04 22:20:54.410 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:54.410 INFO [stderr] 
Dec 04 22:20:54.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
Dec 04 22:20:54.425 INFO [stderr] su: No module specific data is present
Dec 04 22:20:55.368 INFO running `"docker" "inspect" "41567ab1a2e92477963b797e70e43b7a4b64b2348c66abbaade259fb3682eaad"`
Dec 04 22:20:55.629 INFO running `"docker" "rm" "-f" "41567ab1a2e92477963b797e70e43b7a4b64b2348c66abbaade259fb3682eaad"`
Dec 04 22:20:55.859 INFO [stdout] 41567ab1a2e92477963b797e70e43b7a4b64b2348c66abbaade259fb3682eaad