Oct 12 12:40:45.486 INFO checking tac44/syncopation against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:40:45.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 12:40:46.018 INFO blam! f888bfdfdfe7f12aa031c54fe27160c585e646c505d3e2590fbe4da56aa2215e
Oct 12 12:40:46.028 INFO running `"docker" "start" "-a" "f888bfdfdfe7f12aa031c54fe27160c585e646c505d3e2590fbe4da56aa2215e"`
Oct 12 12:40:47.207 INFO kablam! usermod: no changes
Oct 12 12:40:47.320 INFO kablam!    Compiling libz-sys v1.0.23
Oct 12 12:40:47.328 INFO kablam!    Compiling libssh2-sys v0.2.11
Oct 12 12:40:47.332 INFO kablam!     Checking serde_json v1.0.31
Oct 12 12:40:47.332 INFO kablam!    Compiling syn v0.15.7
Oct 12 12:41:01.124 INFO kablam!     Checking ssh2 v0.3.3
Oct 12 12:41:06.637 INFO kablam!    Compiling serde_derive v1.0.79
Oct 12 12:41:22.658 INFO kablam!     Checking syncopation v0.1.0 (/source)
Oct 12 12:41:23.712 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
Oct 12 12:41:23.721 INFO kablam! su: No module specific data is present
Oct 12 12:41:24.727 INFO running `"docker" "rm" "-f" "f888bfdfdfe7f12aa031c54fe27160c585e646c505d3e2590fbe4da56aa2215e"`
Oct 12 12:41:25.121 INFO blam! f888bfdfdfe7f12aa031c54fe27160c585e646c505d3e2590fbe4da56aa2215e