Oct 12 11:45:05.664 INFO checking tshlabs/maestro against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:45:05.664 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 11:45:05.844 INFO blam! 4a10833ca4763ab589918530399ad79c61cf527eb5f37f7eedb3c6d9719b8b93
Oct 12 11:45:05.864 INFO running `"docker" "start" "-a" "4a10833ca4763ab589918530399ad79c61cf527eb5f37f7eedb3c6d9719b8b93"`
Oct 12 11:45:06.888 INFO kablam! usermod: no changes
Oct 12 11:45:07.085 INFO kablam!     Checking arc-swap v0.3.0
Oct 12 11:45:07.092 INFO kablam!     Checking crossbeam-epoch v0.6.0
Oct 12 11:45:07.092 INFO kablam!     Checking parking_lot_core v0.3.1
Oct 12 11:45:07.820 INFO kablam!     Checking signal-hook v0.1.5
Oct 12 11:45:08.434 INFO kablam!     Checking parking_lot v0.6.4
Oct 12 11:45:09.247 INFO kablam!     Checking crossbeam-channel v0.2.6
Oct 12 11:45:10.263 INFO kablam!     Checking maestro v0.1.0 (/source)
Oct 12 11:45:11.775 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
Oct 12 11:45:11.781 INFO kablam! su: No module specific data is present
Oct 12 11:45:12.760 INFO running `"docker" "rm" "-f" "4a10833ca4763ab589918530399ad79c61cf527eb5f37f7eedb3c6d9719b8b93"`
Oct 12 11:45:13.072 INFO blam! 4a10833ca4763ab589918530399ad79c61cf527eb5f37f7eedb3c6d9719b8b93