Oct 31 23:23:15.267 INFO checking pbchekin/mutable-threads against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 23:23:15.267 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 23:23:15.670 INFO blam! 2cf94c620f3ac2ab942f04849221ce155e2b73ccc89f57008a740ade7d5a52c6
Oct 31 23:23:15.674 INFO running `"docker" "start" "-a" "2cf94c620f3ac2ab942f04849221ce155e2b73ccc89f57008a740ade7d5a52c6"`
Oct 31 23:23:17.668 INFO kablam! usermod: no changes
Oct 31 23:23:17.811 INFO kablam!     Checking net2 v0.2.33
Oct 31 23:23:17.812 INFO kablam!     Checking nix v0.5.1
Oct 31 23:23:17.820 INFO kablam!     Checking threadpool v1.7.1
Oct 31 23:23:19.002 INFO kablam!     Checking miow v0.1.5
Oct 31 23:23:22.061 INFO kablam!     Checking mio v0.5.1
Oct 31 23:23:23.227 INFO kablam!     Checking linebased v0.3.1
Oct 31 23:23:24.020 INFO kablam!     Checking mute-test v0.1.0 (/source)
Oct 31 23:23:25.413 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
Oct 31 23:23:25.420 INFO kablam! su: No module specific data is present
Oct 31 23:23:26.086 INFO running `"docker" "rm" "-f" "2cf94c620f3ac2ab942f04849221ce155e2b73ccc89f57008a740ade7d5a52c6"`
Oct 31 23:23:26.353 INFO blam! 2cf94c620f3ac2ab942f04849221ce155e2b73ccc89f57008a740ade7d5a52c6