Nov 04 01:19:56.661 INFO checking pbchekin/mutable-threads against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 01:19:56.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 01:19:57.100 INFO blam! 36512705d9fd58167a3a923d80e8af5c7024cb3ca9361754191b791152275a9d
Nov 04 01:19:57.103 INFO running `"docker" "start" "-a" "36512705d9fd58167a3a923d80e8af5c7024cb3ca9361754191b791152275a9d"`
Nov 04 01:19:58.787 INFO kablam! usermod: no changes
Nov 04 01:19:58.907 INFO kablam!     Checking net2 v0.2.33
Nov 04 01:19:58.907 INFO kablam!     Checking nix v0.5.1
Nov 04 01:19:58.907 INFO kablam!     Checking threadpool v1.7.1
Nov 04 01:19:58.907 INFO kablam!     Checking regex v1.0.2
Nov 04 01:20:00.575 INFO kablam!     Checking miow v0.1.5
Nov 04 01:20:05.447 INFO kablam!     Checking mio v0.5.1
Nov 04 01:20:06.855 INFO kablam!     Checking linebased v0.3.1
Nov 04 01:20:07.545 INFO kablam!     Checking mute-test v0.1.0 (/source)
Nov 04 01:20:08.676 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
Nov 04 01:20:08.682 INFO kablam! su: No module specific data is present
Nov 04 01:20:09.463 INFO running `"docker" "rm" "-f" "36512705d9fd58167a3a923d80e8af5c7024cb3ca9361754191b791152275a9d"`
Nov 04 01:20:09.707 INFO blam! 36512705d9fd58167a3a923d80e8af5c7024cb3ca9361754191b791152275a9d