Nov 27 18:11:35.684 INFO checking ttakamura/binary-nn-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:11:35.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 18:11:36.136 INFO [stdout] be3794c36469ab2d68f50969eec934199c04838f44f777d1aa89df5122d5b27d
Nov 27 18:11:36.138 INFO running `"docker" "start" "-a" "be3794c36469ab2d68f50969eec934199c04838f44f777d1aa89df5122d5b27d"`
Nov 27 18:11:38.463 INFO [stderr] usermod: no changes
Nov 27 18:11:38.542 INFO [stderr]     Checking serde v0.9.12
Nov 27 18:11:38.542 INFO [stderr]    Compiling syn v0.11.9
Nov 27 18:11:47.884 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Nov 27 18:11:51.081 INFO [stderr]    Compiling serde_derive v0.9.12
Nov 27 18:11:59.904 INFO [stderr]     Checking bincode v1.0.0-alpha6
Nov 27 18:12:01.128 INFO [stderr]     Checking binary_nn v0.1.0 (/source)
Nov 27 18:12:04.524 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:12:04.524 INFO [stderr]   --> tests/bitmatrix_test.rs:40:9
Nov 27 18:12:04.524 INFO [stderr]    |
Nov 27 18:12:04.524 INFO [stderr] 40 |     let mut x = BitMatrix2::falses((3, 34));
Nov 27 18:12:04.524 INFO [stderr]    |         ----^
Nov 27 18:12:04.524 INFO [stderr]    |         |
Nov 27 18:12:04.524 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:12:04.524 INFO [stderr]    |
Nov 27 18:12:04.524 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 18:12:04.524 INFO [stderr] 
Nov 27 18:12:04.524 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:12:04.524 INFO [stderr]   --> tests/bitmatrix_test.rs:41:9
Nov 27 18:12:04.524 INFO [stderr]    |
Nov 27 18:12:04.524 INFO [stderr] 41 |     let mut y = BitMatrix2::falses((34, 2));
Nov 27 18:12:04.524 INFO [stderr]    |         ----^
Nov 27 18:12:04.524 INFO [stderr]    |         |
Nov 27 18:12:04.525 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:12:04.525 INFO [stderr] 
Nov 27 18:12:06.293 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.80s
Nov 27 18:12:06.305 INFO [stderr] su: No module specific data is present
Nov 27 18:12:07.569 INFO running `"docker" "inspect" "be3794c36469ab2d68f50969eec934199c04838f44f777d1aa89df5122d5b27d"`
Nov 27 18:12:07.927 INFO running `"docker" "rm" "-f" "be3794c36469ab2d68f50969eec934199c04838f44f777d1aa89df5122d5b27d"`
Nov 27 18:12:08.173 INFO [stdout] be3794c36469ab2d68f50969eec934199c04838f44f777d1aa89df5122d5b27d