Oct 12 11:43:45.603 INFO checking ttakamura/binary-nn-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:43:45.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 11:43:46.079 INFO blam! d8e10e8df0ab6399e82d717602c72f73f00fc5251581359e5b6525012101d932
Oct 12 11:43:46.080 INFO running `"docker" "start" "-a" "d8e10e8df0ab6399e82d717602c72f73f00fc5251581359e5b6525012101d932"`
Oct 12 11:43:47.310 INFO kablam! usermod: no changes
Oct 12 11:43:47.448 INFO kablam!     Checking serde v0.9.12
Oct 12 11:43:47.448 INFO kablam!    Compiling syn v0.11.9
Oct 12 11:43:55.574 INFO kablam!    Compiling serde_codegen_internals v0.14.2
Oct 12 11:43:58.597 INFO kablam!    Compiling serde_derive v0.9.12
Oct 12 11:44:08.122 INFO kablam!     Checking bincode v1.0.0-alpha6
Oct 12 11:44:09.338 INFO kablam!     Checking binary_nn v0.1.0 (/source)
Oct 12 11:44:14.012 INFO kablam! warning: variable does not need to be mutable
Oct 12 11:44:14.012 INFO kablam!   --> tests/bitmatrix_test.rs:40:9
Oct 12 11:44:14.012 INFO kablam!    |
Oct 12 11:44:14.012 INFO kablam! 40 |     let mut x = BitMatrix2::falses((3, 34));
Oct 12 11:44:14.012 INFO kablam!    |         ----^
Oct 12 11:44:14.012 INFO kablam!    |         |
Oct 12 11:44:14.012 INFO kablam!    |         help: remove this `mut`
Oct 12 11:44:14.012 INFO kablam!    |
Oct 12 11:44:14.012 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 11:44:14.012 INFO kablam! 
Oct 12 11:44:14.012 INFO kablam! warning: variable does not need to be mutable
Oct 12 11:44:14.012 INFO kablam!   --> tests/bitmatrix_test.rs:41:9
Oct 12 11:44:14.012 INFO kablam!    |
Oct 12 11:44:14.012 INFO kablam! 41 |     let mut y = BitMatrix2::falses((34, 2));
Oct 12 11:44:14.012 INFO kablam!    |         ----^
Oct 12 11:44:14.012 INFO kablam!    |         |
Oct 12 11:44:14.012 INFO kablam!    |         help: remove this `mut`
Oct 12 11:44:14.012 INFO kablam! 
Oct 12 11:44:15.148 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.80s
Oct 12 11:44:15.153 INFO kablam! su: No module specific data is present
Oct 12 11:44:15.986 INFO running `"docker" "rm" "-f" "d8e10e8df0ab6399e82d717602c72f73f00fc5251581359e5b6525012101d932"`
Oct 12 11:44:16.368 INFO blam! d8e10e8df0ab6399e82d717602c72f73f00fc5251581359e5b6525012101d932