Oct 12 22:54:35.605 INFO checking davidbarsky/husk against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:54:35.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 22:54:35.915 INFO blam! 0c19fc3a56b0bbf6b6e1d814de8989db0e654be2ae469ef92ece346adfc5fae3
Oct 12 22:54:35.915 INFO running `"docker" "start" "-a" "0c19fc3a56b0bbf6b6e1d814de8989db0e654be2ae469ef92ece346adfc5fae3"`
Oct 12 22:54:36.987 INFO kablam! usermod: no changes
Oct 12 22:54:37.040 INFO kablam!    Compiling backtrace-sys v0.1.11
Oct 12 22:54:37.048 INFO kablam!     Checking termion v1.3.0
Oct 12 22:54:37.048 INFO kablam!     Checking nix v0.8.1
Oct 12 22:54:52.488 INFO kablam!     Checking backtrace v0.3.2
Oct 12 22:54:53.244 INFO kablam!     Checking error-chain v0.10.0
Oct 12 22:54:54.101 INFO kablam!     Checking husk v0.1.0 (/source)
Oct 12 22:54:55.384 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.38s
Oct 12 22:54:55.384 INFO kablam! su: No module specific data is present
Oct 12 22:54:55.970 INFO running `"docker" "rm" "-f" "0c19fc3a56b0bbf6b6e1d814de8989db0e654be2ae469ef92ece346adfc5fae3"`
Oct 12 22:54:56.181 INFO blam! 0c19fc3a56b0bbf6b6e1d814de8989db0e654be2ae469ef92ece346adfc5fae3