Dec 04 22:20:47.472 INFO checking ashermancinelli/rust-ml against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:20:47.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 22:20:47.920 INFO [stdout] 53d264908fcd73344080a09b3d029080b6d7d6d8aa69505b58812ece677c01f3
Dec 04 22:20:47.922 INFO running `"docker" "start" "-a" "53d264908fcd73344080a09b3d029080b6d7d6d8aa69505b58812ece677c01f3"`
Dec 04 22:20:49.415 INFO [stderr] usermod: no changes
Dec 04 22:20:49.483 INFO [stderr]     Checking rulinalg v0.3.7
Dec 04 22:20:52.213 INFO [stderr]     Checking rusty-machine v0.5.4
Dec 04 22:20:54.255 INFO [stderr]     Checking rust-ml v0.0.1 (/source)
Dec 04 22:20:55.157 INFO [stderr] warning: unused variable: `data`
Dec 04 22:20:55.157 INFO [stderr]   --> src/main.rs:33:12
Dec 04 22:20:55.157 INFO [stderr]    |
Dec 04 22:20:55.158 INFO [stderr] 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Dec 04 22:20:55.158 INFO [stderr]    |            ^^^^ help: consider using `_data` instead
Dec 04 22:20:55.158 INFO [stderr]    |
Dec 04 22:20:55.158 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:20:55.158 INFO [stderr] 
Dec 04 22:20:55.159 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:20:55.159 INFO [stderr]   --> src/main.rs:37:13
Dec 04 22:20:55.159 INFO [stderr]    |
Dec 04 22:20:55.159 INFO [stderr] 37 |         let mut l_to_str: Vec<String> = Vec::new();
Dec 04 22:20:55.159 INFO [stderr]    |             ----^^^^^^^^
Dec 04 22:20:55.159 INFO [stderr]    |             |
Dec 04 22:20:55.159 INFO [stderr]    |             help: remove this `mut`
Dec 04 22:20:55.159 INFO [stderr]    |
Dec 04 22:20:55.159 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:20:55.159 INFO [stderr] 
Dec 04 22:20:55.161 INFO [stderr] warning: field is never used: `train_data`
Dec 04 22:20:55.161 INFO [stderr]   --> src/main.rs:26:5
Dec 04 22:20:55.161 INFO [stderr]    |
Dec 04 22:20:55.161 INFO [stderr] 26 |     train_data: Vec<Vec<f32>>,
Dec 04 22:20:55.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.161 INFO [stderr]    |
Dec 04 22:20:55.161 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:20:55.161 INFO [stderr] 
Dec 04 22:20:55.161 INFO [stderr] warning: field is never used: `train_labels`
Dec 04 22:20:55.161 INFO [stderr]   --> src/main.rs:27:5
Dec 04 22:20:55.161 INFO [stderr]    |
Dec 04 22:20:55.161 INFO [stderr] 27 |     train_labels: Vec<usize>,
Dec 04 22:20:55.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.161 INFO [stderr] 
Dec 04 22:20:55.161 INFO [stderr] warning: field is never used: `label_to_string`
Dec 04 22:20:55.161 INFO [stderr]   --> src/main.rs:28:5
Dec 04 22:20:55.161 INFO [stderr]    |
Dec 04 22:20:55.161 INFO [stderr] 28 |     label_to_string: Vec<String>,
Dec 04 22:20:55.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.161 INFO [stderr] 
Dec 04 22:20:55.471 INFO [stderr] warning: unused variable: `data`
Dec 04 22:20:55.471 INFO [stderr]   --> src/main.rs:33:12
Dec 04 22:20:55.471 INFO [stderr]    |
Dec 04 22:20:55.471 INFO [stderr] 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Dec 04 22:20:55.471 INFO [stderr]    |            ^^^^ help: consider using `_data` instead
Dec 04 22:20:55.471 INFO [stderr]    |
Dec 04 22:20:55.471 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:20:55.471 INFO [stderr] 
Dec 04 22:20:55.478 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:20:55.478 INFO [stderr]   --> src/main.rs:37:13
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr] 37 |         let mut l_to_str: Vec<String> = Vec::new();
Dec 04 22:20:55.478 INFO [stderr]    |             ----^^^^^^^^
Dec 04 22:20:55.478 INFO [stderr]    |             |
Dec 04 22:20:55.478 INFO [stderr]    |             help: remove this `mut`
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:20:55.478 INFO [stderr] 
Dec 04 22:20:55.478 INFO [stderr] warning: field is never used: `train_data`
Dec 04 22:20:55.478 INFO [stderr]   --> src/main.rs:26:5
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr] 26 |     train_data: Vec<Vec<f32>>,
Dec 04 22:20:55.478 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:20:55.478 INFO [stderr] 
Dec 04 22:20:55.478 INFO [stderr] warning: field is never used: `train_labels`
Dec 04 22:20:55.478 INFO [stderr]   --> src/main.rs:27:5
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr] 27 |     train_labels: Vec<usize>,
Dec 04 22:20:55.478 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.478 INFO [stderr] 
Dec 04 22:20:55.478 INFO [stderr] warning: field is never used: `label_to_string`
Dec 04 22:20:55.478 INFO [stderr]   --> src/main.rs:28:5
Dec 04 22:20:55.478 INFO [stderr]    |
Dec 04 22:20:55.478 INFO [stderr] 28 |     label_to_string: Vec<String>,
Dec 04 22:20:55.478 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:55.478 INFO [stderr] 
Dec 04 22:20:55.547 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
Dec 04 22:20:55.551 INFO [stderr] su: No module specific data is present
Dec 04 22:20:56.044 INFO running `"docker" "inspect" "53d264908fcd73344080a09b3d029080b6d7d6d8aa69505b58812ece677c01f3"`
Dec 04 22:20:56.363 INFO running `"docker" "rm" "-f" "53d264908fcd73344080a09b3d029080b6d7d6d8aa69505b58812ece677c01f3"`
Dec 04 22:20:56.739 INFO [stdout] 53d264908fcd73344080a09b3d029080b6d7d6d8aa69505b58812ece677c01f3