Dec 11 07:16:35.574 INFO checking ttakamura/binary-nn-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:16:35.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:16:36.036 INFO [stdout] 36209f7624f48a6884357dae10a38ef216bf1e2bc9a6e8f16150ebd7e7b75b80
Dec 11 07:16:36.038 INFO running `"docker" "start" "-a" "36209f7624f48a6884357dae10a38ef216bf1e2bc9a6e8f16150ebd7e7b75b80"`
Dec 11 07:16:38.520 INFO [stderr] usermod: no changes
Dec 11 07:16:38.644 INFO [stderr]     Checking serde v0.9.12
Dec 11 07:16:38.644 INFO [stderr]    Compiling syn v0.11.9
Dec 11 07:16:47.636 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 11 07:16:51.075 INFO [stderr]    Compiling serde_derive v0.9.12
Dec 11 07:16:55.105 INFO [stderr]     Checking bincode v1.0.0-alpha6
Dec 11 07:16:58.542 INFO [stderr]     Checking binary_nn v0.1.0 (/source)
Dec 11 07:17:02.832 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:17:02.832 INFO [stderr]   --> tests/bitmatrix_test.rs:40:9
Dec 11 07:17:02.832 INFO [stderr]    |
Dec 11 07:17:02.832 INFO [stderr] 40 |     let mut x = BitMatrix2::falses((3, 34));
Dec 11 07:17:02.832 INFO [stderr]    |         ----^
Dec 11 07:17:02.832 INFO [stderr]    |         |
Dec 11 07:17:02.832 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:17:02.832 INFO [stderr]    |
Dec 11 07:17:02.832 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:17:02.832 INFO [stderr] 
Dec 11 07:17:02.832 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:17:02.832 INFO [stderr]   --> tests/bitmatrix_test.rs:41:9
Dec 11 07:17:02.832 INFO [stderr]    |
Dec 11 07:17:02.832 INFO [stderr] 41 |     let mut y = BitMatrix2::falses((34, 2));
Dec 11 07:17:02.832 INFO [stderr]    |         ----^
Dec 11 07:17:02.832 INFO [stderr]    |         |
Dec 11 07:17:02.832 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:17:02.832 INFO [stderr] 
Dec 11 07:17:04.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.57s
Dec 11 07:17:04.124 INFO [stderr] su: No module specific data is present
Dec 11 07:17:04.754 INFO running `"docker" "inspect" "36209f7624f48a6884357dae10a38ef216bf1e2bc9a6e8f16150ebd7e7b75b80"`
Dec 11 07:17:05.001 INFO running `"docker" "rm" "-f" "36209f7624f48a6884357dae10a38ef216bf1e2bc9a6e8f16150ebd7e7b75b80"`
Dec 11 07:17:05.287 INFO [stdout] 36209f7624f48a6884357dae10a38ef216bf1e2bc9a6e8f16150ebd7e7b75b80