Oct 31 19:43:17.087 INFO checking thomwiggers/decoder against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 19:43:17.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 19:43:17.568 INFO blam! 569d416d96ccff30df0eb67fa41d190521a60a8b7d0cde38e21c8a9a9c7eb8e5
Oct 31 19:43:17.577 INFO running `"docker" "start" "-a" "569d416d96ccff30df0eb67fa41d190521a60a8b7d0cde38e21c8a9a9c7eb8e5"`
Oct 31 19:43:18.904 INFO kablam! usermod: no changes
Oct 31 19:43:18.993 INFO kablam!     Checking zero_one v0.1.0 (/source/zero_one)
Oct 31 19:43:19.472 INFO kablam!     Checking bit_vector v0.1.0 (/source/bit_vector)
Oct 31 19:43:19.849 INFO kablam!     Checking matrix v0.1.0 (/source/matrix)
Oct 31 19:43:21.260 INFO kablam!     Checking decoder v0.1.0 (/source)
Oct 31 19:43:22.344 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.344 INFO kablam!    --> matrix/src/vector.rs:240:9
Oct 31 19:43:22.344 INFO kablam!     |
Oct 31 19:43:22.344 INFO kablam! 240 |         &Vector::from_vec(vec![0]) + &Vector::from_vec(vec![0, 1]);
Oct 31 19:43:22.344 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:43:22.344 INFO kablam!     |
Oct 31 19:43:22.344 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 19:43:22.344 INFO kablam! 
Oct 31 19:43:22.344 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.344 INFO kablam!    --> matrix/src/vector.rs:246:9
Oct 31 19:43:22.344 INFO kablam!     |
Oct 31 19:43:22.344 INFO kablam! 246 |         &Vector::from_vec(vec![0]) - &Vector::from_vec(vec![0, 1]);
Oct 31 19:43:22.344 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:43:22.344 INFO kablam! 
Oct 31 19:43:22.363 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.363 INFO kablam!    --> matrix/src/matrix.rs:471:9
Oct 31 19:43:22.363 INFO kablam!     |
Oct 31 19:43:22.363 INFO kablam! 471 |         m1 + m2;
Oct 31 19:43:22.368 INFO kablam!     |         ^^^^^^^
Oct 31 19:43:22.368 INFO kablam! 
Oct 31 19:43:22.368 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:43:22.368 INFO kablam!    --> matrix/src/matrix.rs:479:9
Oct 31 19:43:22.368 INFO kablam!     |
Oct 31 19:43:22.368 INFO kablam! 479 |         m1 + m2;
Oct 31 19:43:22.368 INFO kablam!     |         ^^^^^^^
Oct 31 19:43:22.368 INFO kablam! 
Oct 31 19:43:22.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
Oct 31 19:43:22.425 INFO kablam! su: No module specific data is present
Oct 31 19:43:23.101 INFO running `"docker" "rm" "-f" "569d416d96ccff30df0eb67fa41d190521a60a8b7d0cde38e21c8a9a9c7eb8e5"`
Oct 31 19:43:23.385 INFO blam! 569d416d96ccff30df0eb67fa41d190521a60a8b7d0cde38e21c8a9a9c7eb8e5