Oct 12 11:56:58.277 INFO checking tomhosking/MarkovTrump against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:56:58.277 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 11:56:58.838 INFO blam! 1a4a8b5a2c00d9b2047e4ec41c3738f815c9b71e0a4f696ec3594f37fd12e233
Oct 12 11:56:58.840 INFO running `"docker" "start" "-a" "1a4a8b5a2c00d9b2047e4ec41c3738f815c9b71e0a4f696ec3594f37fd12e233"`
Oct 12 11:57:00.638 INFO kablam! usermod: no changes
Oct 12 11:57:00.720 INFO kablam!     Checking libc v0.2.29
Oct 12 11:57:00.722 INFO kablam!     Checking serde v1.0.11
Oct 12 11:57:02.765 INFO kablam!     Checking memchr v1.0.1
Oct 12 11:57:02.765 INFO kablam!     Checking rand v0.3.16
Oct 12 11:57:03.498 INFO kablam!     Checking aho-corasick v0.6.3
Oct 12 11:57:05.309 INFO kablam!     Checking regex v0.2.2
Oct 12 11:57:14.249 INFO kablam!     Checking serde_json v1.0.2
Oct 12 11:57:16.336 INFO kablam!     Checking generator v0.1.0 (/source)
Oct 12 11:57:17.007 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.35s
Oct 12 11:57:17.011 INFO kablam! su: No module specific data is present
Oct 12 11:57:18.372 INFO running `"docker" "rm" "-f" "1a4a8b5a2c00d9b2047e4ec41c3738f815c9b71e0a4f696ec3594f37fd12e233"`
Oct 12 11:57:18.649 INFO blam! 1a4a8b5a2c00d9b2047e4ec41c3738f815c9b71e0a4f696ec3594f37fd12e233