Dec 17 12:58:22.145 INFO checking tylerreisinger/neural-network-deep-learning against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:58:22.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tylerreisinger/neural-network-deep-learning:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:58:22.646 INFO [stdout] 3a2260fab5000734061dcf60e14af4c2a52fdf551613374132cfb10e3f9e1a2b
Dec 17 12:58:22.648 INFO running `"docker" "start" "-a" "3a2260fab5000734061dcf60e14af4c2a52fdf551613374132cfb10e3f9e1a2b"`
Dec 17 12:58:24.453 INFO [stderr]     Checking neural_net v0.1.0 (/opt/crater/workdir)
Dec 17 12:58:24.688 INFO [stderr] warning: unused import: `super::*`
Dec 17 12:58:24.688 INFO [stderr]    --> src/mnist/idx.rs:402:9
Dec 17 12:58:24.688 INFO [stderr]     |
Dec 17 12:58:24.688 INFO [stderr] 402 |     use super::*;
Dec 17 12:58:24.688 INFO [stderr]     |         ^^^^^^^^
Dec 17 12:58:24.688 INFO [stderr]     |
Dec 17 12:58:24.688 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 17 12:58:24.688 INFO [stderr] 
Dec 17 12:58:24.892 INFO [stderr] warning: unused variable: `labels`
Dec 17 12:58:24.892 INFO [stderr]   --> src/main.rs:12:9
Dec 17 12:58:24.892 INFO [stderr]    |
Dec 17 12:58:24.892 INFO [stderr] 12 |     let labels = 
Dec 17 12:58:24.892 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 17 12:58:24.892 INFO [stderr]    |
Dec 17 12:58:24.892 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 12:58:24.892 INFO [stderr] 
Dec 17 12:58:24.892 INFO [stderr] warning: unused variable: `images`
Dec 17 12:58:24.892 INFO [stderr]   --> src/main.rs:14:9
Dec 17 12:58:24.892 INFO [stderr]    |
Dec 17 12:58:24.892 INFO [stderr] 14 |     let images = 
Dec 17 12:58:24.892 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 17 12:58:24.892 INFO [stderr] 
Dec 17 12:58:24.994 INFO [stderr] warning: unused variable: `labels`
Dec 17 12:58:24.994 INFO [stderr]   --> src/main.rs:12:9
Dec 17 12:58:24.994 INFO [stderr]    |
Dec 17 12:58:24.994 INFO [stderr] 12 |     let labels = 
Dec 17 12:58:24.995 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 17 12:58:24.995 INFO [stderr]    |
Dec 17 12:58:24.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 12:58:24.995 INFO [stderr] 
Dec 17 12:58:24.995 INFO [stderr] warning: unused variable: `images`
Dec 17 12:58:24.995 INFO [stderr]   --> src/main.rs:14:9
Dec 17 12:58:24.995 INFO [stderr]    |
Dec 17 12:58:24.995 INFO [stderr] 14 |     let images = 
Dec 17 12:58:24.996 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 17 12:58:24.996 INFO [stderr] 
Dec 17 12:58:25.105 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 17 12:58:26.258 INFO running `"docker" "inspect" "3a2260fab5000734061dcf60e14af4c2a52fdf551613374132cfb10e3f9e1a2b"`
Dec 17 12:58:26.537 INFO running `"docker" "rm" "-f" "3a2260fab5000734061dcf60e14af4c2a52fdf551613374132cfb10e3f9e1a2b"`
Dec 17 12:58:26.853 INFO [stdout] 3a2260fab5000734061dcf60e14af4c2a52fdf551613374132cfb10e3f9e1a2b