Oct 31 19:43:17.465 INFO checking thomwiggers/decoder against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 19:43:17.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 19:43:17.988 INFO blam! 92f9743f1e732dd52fb53be206028e25f7f98251c44bdf176685f01ea2b085ba
Oct 31 19:43:17.993 INFO running `"docker" "start" "-a" "92f9743f1e732dd52fb53be206028e25f7f98251c44bdf176685f01ea2b085ba"`
Oct 31 19:43:19.224 INFO kablam! usermod: no changes
Oct 31 19:43:19.344 INFO kablam!     Checking zero_one v0.1.0 (/source/zero_one)
Oct 31 19:43:19.620 INFO kablam!     Checking bit_vector v0.1.0 (/source/bit_vector)
Oct 31 19:43:20.088 INFO kablam!     Checking matrix v0.1.0 (/source/matrix)
Oct 31 19:43:21.180 INFO kablam!     Checking decoder v0.1.0 (/source)
Oct 31 19:43:22.145 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.146 INFO kablam!    --> matrix/src/vector.rs:240:9
Oct 31 19:43:22.147 INFO kablam!     |
Oct 31 19:43:22.148 INFO kablam! 240 |         &Vector::from_vec(vec![0]) + &Vector::from_vec(vec![0, 1]);
Oct 31 19:43:22.152 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:43:22.152 INFO kablam!     |
Oct 31 19:43:22.153 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 19:43:22.153 INFO kablam! 
Oct 31 19:43:22.153 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.153 INFO kablam!    --> matrix/src/vector.rs:246:9
Oct 31 19:43:22.154 INFO kablam!     |
Oct 31 19:43:22.154 INFO kablam! 246 |         &Vector::from_vec(vec![0]) - &Vector::from_vec(vec![0, 1]);
Oct 31 19:43:22.154 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:43:22.155 INFO kablam! 
Oct 31 19:43:22.155 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.156 INFO kablam!    --> matrix/src/matrix.rs:471:9
Oct 31 19:43:22.157 INFO kablam!     |
Oct 31 19:43:22.157 INFO kablam! 471 |         m1 + m2;
Oct 31 19:43:22.165 INFO kablam!     |         ^^^^^^^
Oct 31 19:43:22.165 INFO kablam! 
Oct 31 19:43:22.165 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.166 INFO kablam!    --> matrix/src/matrix.rs:479:9
Oct 31 19:43:22.166 INFO kablam!     |
Oct 31 19:43:22.166 INFO kablam! 479 |         m1 + m2;
Oct 31 19:43:22.167 INFO kablam!     |         ^^^^^^^
Oct 31 19:43:22.167 INFO kablam! 
Oct 31 19:43:22.205 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Oct 31 19:43:22.209 INFO kablam! su: No module specific data is present
Oct 31 19:43:22.824 INFO running `"docker" "rm" "-f" "92f9743f1e732dd52fb53be206028e25f7f98251c44bdf176685f01ea2b085ba"`
Oct 31 19:43:23.028 INFO blam! 92f9743f1e732dd52fb53be206028e25f7f98251c44bdf176685f01ea2b085ba