Oct 26 22:46:45.530 INFO checking plumenator/failure-learn against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 22:46:45.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 26 22:46:45.862 INFO blam! 8492fa7497d2293d5486e5201f37b0e17fb100e25fd86540ff6725303c4ad04e
Oct 26 22:46:45.869 INFO running `"docker" "start" "-a" "8492fa7497d2293d5486e5201f37b0e17fb100e25fd86540ff6725303c4ad04e"`
Oct 26 22:46:46.644 INFO kablam! usermod: no changes
Oct 26 22:46:46.735 INFO kablam!     Checking failure-learn v0.1.0 (/source)
Oct 26 22:46:47.295 INFO kablam! warning: unused `#[macro_use]` import
Oct 26 22:46:47.295 INFO kablam!  --> src/main.rs:6:1
Oct 26 22:46:47.295 INFO kablam!   |
Oct 26 22:46:47.295 INFO kablam! 6 | #[macro_use] extern crate matches;
Oct 26 22:46:47.295 INFO kablam!   | ^^^^^^^^^^^^
Oct 26 22:46:47.295 INFO kablam!   |
Oct 26 22:46:47.295 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 22:46:47.295 INFO kablam! 
Oct 26 22:46:47.507 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Oct 26 22:46:47.507 INFO kablam! su: No module specific data is present
Oct 26 22:46:48.109 INFO running `"docker" "rm" "-f" "8492fa7497d2293d5486e5201f37b0e17fb100e25fd86540ff6725303c4ad04e"`
Oct 26 22:46:48.338 INFO blam! 8492fa7497d2293d5486e5201f37b0e17fb100e25fd86540ff6725303c4ad04e