Oct 12 15:54:08.535 INFO checking pbchekin/mutable-threads against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:54:08.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 15:54:09.106 INFO blam! 5283d4037d6755499a784cb0db7256df26c3fd95cbb227458c75eac0b791a7a8
Oct 12 15:54:09.108 INFO running `"docker" "start" "-a" "5283d4037d6755499a784cb0db7256df26c3fd95cbb227458c75eac0b791a7a8"`
Oct 12 15:54:10.262 INFO kablam! usermod: no changes
Oct 12 15:54:10.360 INFO kablam!     Checking net2 v0.2.33
Oct 12 15:54:11.136 INFO kablam!     Checking miow v0.1.5
Oct 12 15:54:11.404 INFO kablam!     Checking mio v0.5.1
Oct 12 15:54:12.900 INFO kablam!     Checking linebased v0.3.1
Oct 12 15:54:13.588 INFO kablam!     Checking mute-test v0.1.0 (/source)
Oct 12 15:54:14.796 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Oct 12 15:54:14.805 INFO kablam! su: No module specific data is present
Oct 12 15:54:16.012 INFO running `"docker" "rm" "-f" "5283d4037d6755499a784cb0db7256df26c3fd95cbb227458c75eac0b791a7a8"`
Oct 12 15:54:16.324 INFO blam! 5283d4037d6755499a784cb0db7256df26c3fd95cbb227458c75eac0b791a7a8