Oct 31 23:23:14.901 INFO checking pbchekin/mutable-threads against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 23:23:14.901 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 23:23:15.328 INFO blam! 967e5d3ef9926977623672db33f68dcdd5d7d94b442d14e30a2f7b8eeb38de04
Oct 31 23:23:15.340 INFO running `"docker" "start" "-a" "967e5d3ef9926977623672db33f68dcdd5d7d94b442d14e30a2f7b8eeb38de04"`
Oct 31 23:23:16.637 INFO kablam! usermod: no changes
Oct 31 23:23:16.832 INFO kablam!     Checking net2 v0.2.33
Oct 31 23:23:16.832 INFO kablam!     Checking nix v0.5.1
Oct 31 23:23:16.836 INFO kablam!     Checking threadpool v1.7.1
Oct 31 23:23:18.612 INFO kablam!     Checking miow v0.1.5
Oct 31 23:23:21.598 INFO kablam!     Checking mio v0.5.1
Oct 31 23:23:22.870 INFO kablam!     Checking linebased v0.3.1
Oct 31 23:23:23.612 INFO kablam!     Checking mute-test v0.1.0 (/source)
Oct 31 23:23:25.202 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
Oct 31 23:23:25.212 INFO kablam! su: No module specific data is present
Oct 31 23:23:25.982 INFO running `"docker" "rm" "-f" "967e5d3ef9926977623672db33f68dcdd5d7d94b442d14e30a2f7b8eeb38de04"`
Oct 31 23:23:26.286 INFO blam! 967e5d3ef9926977623672db33f68dcdd5d7d94b442d14e30a2f7b8eeb38de04