Dec 04 08:07:30.981 INFO checking ttakamura/binary-nn-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:07:30.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 08:07:31.597 INFO [stdout] 70b5cfd3bc6cd9c1e2edff10c94a3ae72a439105bc272023bb0275054c759ef5
Dec 04 08:07:31.601 INFO running `"docker" "start" "-a" "70b5cfd3bc6cd9c1e2edff10c94a3ae72a439105bc272023bb0275054c759ef5"`
Dec 04 08:07:33.086 INFO [stderr] usermod: no changes
Dec 04 08:07:33.211 INFO [stderr]     Checking serde v0.9.12
Dec 04 08:07:33.215 INFO [stderr]    Compiling syn v0.11.9
Dec 04 08:07:42.251 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 04 08:07:45.567 INFO [stderr]    Compiling serde_derive v0.9.12
Dec 04 08:07:51.667 INFO [stderr]     Checking bincode v1.0.0-alpha6
Dec 04 08:07:53.011 INFO [stderr]     Checking binary_nn v0.1.0 (/source)
Dec 04 08:07:57.949 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:07:57.949 INFO [stderr]   --> tests/bitmatrix_test.rs:40:9
Dec 04 08:07:57.949 INFO [stderr]    |
Dec 04 08:07:57.949 INFO [stderr] 40 |     let mut x = BitMatrix2::falses((3, 34));
Dec 04 08:07:57.949 INFO [stderr]    |         ----^
Dec 04 08:07:57.949 INFO [stderr]    |         |
Dec 04 08:07:57.950 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:07:57.950 INFO [stderr]    |
Dec 04 08:07:57.950 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:07:57.950 INFO [stderr] 
Dec 04 08:07:57.950 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:07:57.950 INFO [stderr]   --> tests/bitmatrix_test.rs:41:9
Dec 04 08:07:57.950 INFO [stderr]    |
Dec 04 08:07:57.950 INFO [stderr] 41 |     let mut y = BitMatrix2::falses((34, 2));
Dec 04 08:07:57.950 INFO [stderr]    |         ----^
Dec 04 08:07:57.950 INFO [stderr]    |         |
Dec 04 08:07:57.950 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:07:57.950 INFO [stderr] 
Dec 04 08:07:59.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.91s
Dec 04 08:07:59.023 INFO [stderr] su: No module specific data is present
Dec 04 08:08:00.115 INFO running `"docker" "inspect" "70b5cfd3bc6cd9c1e2edff10c94a3ae72a439105bc272023bb0275054c759ef5"`
Dec 04 08:08:00.429 INFO running `"docker" "rm" "-f" "70b5cfd3bc6cd9c1e2edff10c94a3ae72a439105bc272023bb0275054c759ef5"`
Dec 04 08:08:00.714 INFO [stdout] 70b5cfd3bc6cd9c1e2edff10c94a3ae72a439105bc272023bb0275054c759ef5