Dec 11 07:08:57.816 INFO checking tylerreisinger/neural-network-deep-learning against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:08:57.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 07:08:58.340 INFO [stdout] 6cc0c99b7730e49a77179cfa11a3ce2bca193422b2c33924c0611e6a291d1aee
Dec 11 07:08:58.346 INFO running `"docker" "start" "-a" "6cc0c99b7730e49a77179cfa11a3ce2bca193422b2c33924c0611e6a291d1aee"`
Dec 11 07:08:59.896 INFO [stderr] usermod: no changes
Dec 11 07:09:00.023 INFO [stderr]     Checking neural_net v0.1.0 (/source)
Dec 11 07:09:00.284 INFO [stderr] warning: unused import: `super::*`
Dec 11 07:09:00.284 INFO [stderr]    --> src/mnist/idx.rs:402:9
Dec 11 07:09:00.284 INFO [stderr]     |
Dec 11 07:09:00.284 INFO [stderr] 402 |     use super::*;
Dec 11 07:09:00.284 INFO [stderr]     |         ^^^^^^^^
Dec 11 07:09:00.284 INFO [stderr]     |
Dec 11 07:09:00.284 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 07:09:00.284 INFO [stderr] 
Dec 11 07:09:00.448 INFO [stderr] warning: unused variable: `labels`
Dec 11 07:09:00.448 INFO [stderr]   --> src/main.rs:12:9
Dec 11 07:09:00.448 INFO [stderr]    |
Dec 11 07:09:00.448 INFO [stderr] 12 |     let labels = 
Dec 11 07:09:00.448 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 11 07:09:00.448 INFO [stderr]    |
Dec 11 07:09:00.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:09:00.448 INFO [stderr] 
Dec 11 07:09:00.448 INFO [stderr] warning: unused variable: `images`
Dec 11 07:09:00.448 INFO [stderr]   --> src/main.rs:14:9
Dec 11 07:09:00.448 INFO [stderr]    |
Dec 11 07:09:00.448 INFO [stderr] 14 |     let images = 
Dec 11 07:09:00.448 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 11 07:09:00.448 INFO [stderr] 
Dec 11 07:09:00.492 INFO [stderr] warning: unused variable: `labels`
Dec 11 07:09:00.492 INFO [stderr]   --> src/main.rs:12:9
Dec 11 07:09:00.492 INFO [stderr]    |
Dec 11 07:09:00.492 INFO [stderr] 12 |     let labels = 
Dec 11 07:09:00.492 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 11 07:09:00.492 INFO [stderr]    |
Dec 11 07:09:00.492 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:09:00.492 INFO [stderr] 
Dec 11 07:09:00.492 INFO [stderr] warning: unused variable: `images`
Dec 11 07:09:00.492 INFO [stderr]   --> src/main.rs:14:9
Dec 11 07:09:00.492 INFO [stderr]    |
Dec 11 07:09:00.492 INFO [stderr] 14 |     let images = 
Dec 11 07:09:00.492 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 11 07:09:00.492 INFO [stderr] 
Dec 11 07:09:00.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 11 07:09:00.632 INFO [stderr] su: No module specific data is present
Dec 11 07:09:01.340 INFO running `"docker" "inspect" "6cc0c99b7730e49a77179cfa11a3ce2bca193422b2c33924c0611e6a291d1aee"`
Dec 11 07:09:01.652 INFO running `"docker" "rm" "-f" "6cc0c99b7730e49a77179cfa11a3ce2bca193422b2c33924c0611e6a291d1aee"`
Dec 11 07:09:01.932 INFO [stdout] 6cc0c99b7730e49a77179cfa11a3ce2bca193422b2c33924c0611e6a291d1aee