Dec 19 20:17:46.446 INFO checking ashermancinelli/rust-ml against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 20:17:46.447 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ashermancinelli/rust-ml:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 20:17:46.831 INFO [stdout] fb68e7adffb4812c904e3019f3e36e1c1ed01d07f6586a0418b8ef916c76e7ec Dec 19 20:17:46.838 INFO running `"docker" "start" "-a" "fb68e7adffb4812c904e3019f3e36e1c1ed01d07f6586a0418b8ef916c76e7ec"` Dec 19 20:17:47.860 INFO [stderr] Checking rulinalg v0.3.7 Dec 19 20:17:50.799 INFO [stderr] Checking rusty-machine v0.5.4 Dec 19 20:17:52.542 INFO [stderr] Checking rust-ml v0.0.1 (/opt/crater/workdir) Dec 19 20:17:53.080 INFO [stderr] warning: unused variable: `data` Dec 19 20:17:53.080 INFO [stderr] --> src/main.rs:33:12 Dec 19 20:17:53.080 INFO [stderr] | Dec 19 20:17:53.080 INFO [stderr] 33 | fn new(data: Vec>) -> Dataset { Dec 19 20:17:53.080 INFO [stderr] | ^^^^ help: consider using `_data` instead Dec 19 20:17:53.080 INFO [stderr] | Dec 19 20:17:53.080 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 20:17:53.080 INFO [stderr] Dec 19 20:17:53.103 INFO [stderr] warning: variable does not need to be mutable Dec 19 20:17:53.103 INFO [stderr] --> src/main.rs:37:13 Dec 19 20:17:53.103 INFO [stderr] | Dec 19 20:17:53.103 INFO [stderr] 37 | let mut l_to_str: Vec = Vec::new(); Dec 19 20:17:53.103 INFO [stderr] | ----^^^^^^^^ Dec 19 20:17:53.103 INFO [stderr] | | Dec 19 20:17:53.103 INFO [stderr] | help: remove this `mut` Dec 19 20:17:53.103 INFO [stderr] | Dec 19 20:17:53.103 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 20:17:53.103 INFO [stderr] Dec 19 20:17:53.103 INFO [stderr] warning: unused variable: `data` Dec 19 20:17:53.103 INFO [stderr] --> src/main.rs:33:12 Dec 19 20:17:53.103 INFO [stderr] | Dec 19 20:17:53.103 INFO [stderr] 33 | fn new(data: Vec>) -> Dataset { Dec 19 20:17:53.103 INFO [stderr] | ^^^^ help: consider using `_data` instead Dec 19 20:17:53.103 INFO [stderr] | Dec 19 20:17:53.103 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 20:17:53.103 INFO [stderr] Dec 19 20:17:53.104 INFO [stderr] warning: field is never used: `train_data` Dec 19 20:17:53.104 INFO [stderr] --> src/main.rs:26:5 Dec 19 20:17:53.104 INFO [stderr] | Dec 19 20:17:53.104 INFO [stderr] 26 | train_data: Vec>, Dec 19 20:17:53.104 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.104 INFO [stderr] | Dec 19 20:17:53.104 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 20:17:53.104 INFO [stderr] Dec 19 20:17:53.104 INFO [stderr] warning: field is never used: `train_labels` Dec 19 20:17:53.104 INFO [stderr] --> src/main.rs:27:5 Dec 19 20:17:53.104 INFO [stderr] | Dec 19 20:17:53.104 INFO [stderr] 27 | train_labels: Vec, Dec 19 20:17:53.104 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.104 INFO [stderr] Dec 19 20:17:53.104 INFO [stderr] warning: field is never used: `label_to_string` Dec 19 20:17:53.104 INFO [stderr] --> src/main.rs:28:5 Dec 19 20:17:53.104 INFO [stderr] | Dec 19 20:17:53.104 INFO [stderr] 28 | label_to_string: Vec, Dec 19 20:17:53.104 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.104 INFO [stderr] Dec 19 20:17:53.109 INFO [stderr] warning: variable does not need to be mutable Dec 19 20:17:53.109 INFO [stderr] --> src/main.rs:37:13 Dec 19 20:17:53.110 INFO [stderr] | Dec 19 20:17:53.110 INFO [stderr] 37 | let mut l_to_str: Vec = Vec::new(); Dec 19 20:17:53.110 INFO [stderr] | ----^^^^^^^^ Dec 19 20:17:53.116 INFO [stderr] | | Dec 19 20:17:53.116 INFO [stderr] | help: remove this `mut` Dec 19 20:17:53.116 INFO [stderr] | Dec 19 20:17:53.116 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 20:17:53.116 INFO [stderr] Dec 19 20:17:53.118 INFO [stderr] warning: field is never used: `train_data` Dec 19 20:17:53.118 INFO [stderr] --> src/main.rs:26:5 Dec 19 20:17:53.118 INFO [stderr] | Dec 19 20:17:53.118 INFO [stderr] 26 | train_data: Vec>, Dec 19 20:17:53.118 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.118 INFO [stderr] | Dec 19 20:17:53.118 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 20:17:53.118 INFO [stderr] Dec 19 20:17:53.118 INFO [stderr] warning: field is never used: `train_labels` Dec 19 20:17:53.118 INFO [stderr] --> src/main.rs:27:5 Dec 19 20:17:53.118 INFO [stderr] | Dec 19 20:17:53.118 INFO [stderr] 27 | train_labels: Vec, Dec 19 20:17:53.118 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.118 INFO [stderr] Dec 19 20:17:53.119 INFO [stderr] warning: field is never used: `label_to_string` Dec 19 20:17:53.119 INFO [stderr] --> src/main.rs:28:5 Dec 19 20:17:53.119 INFO [stderr] | Dec 19 20:17:53.119 INFO [stderr] 28 | label_to_string: Vec, Dec 19 20:17:53.119 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 20:17:53.119 INFO [stderr] Dec 19 20:17:53.184 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.39s Dec 19 20:17:54.044 INFO running `"docker" "inspect" "fb68e7adffb4812c904e3019f3e36e1c1ed01d07f6586a0418b8ef916c76e7ec"` Dec 19 20:17:54.350 INFO running `"docker" "rm" "-f" "fb68e7adffb4812c904e3019f3e36e1c1ed01d07f6586a0418b8ef916c76e7ec"` Dec 19 20:17:54.756 INFO [stdout] fb68e7adffb4812c904e3019f3e36e1c1ed01d07f6586a0418b8ef916c76e7ec