Oct 13 14:01:59.629 INFO checking grep-0.2.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 14:01:59.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 13 14:02:00.091 INFO blam! b9ef377f8e143bcaaabaf727c6c89d3c921798acaa15441da8ffc8a6db23f76e
Oct 13 14:02:00.097 INFO running `"docker" "start" "-a" "b9ef377f8e143bcaaabaf727c6c89d3c921798acaa15441da8ffc8a6db23f76e"`
Oct 13 14:02:01.264 INFO kablam! usermod: no changes
Oct 13 14:02:01.472 INFO kablam!     Checking encoding_rs_io v0.1.3
Oct 13 14:02:01.472 INFO kablam!     Checking grep-matcher v0.1.1
Oct 13 14:02:01.472 INFO kablam!     Checking grep-cli v0.1.1
Oct 13 14:02:03.432 INFO kablam!     Checking grep-regex v0.1.1
Oct 13 14:02:03.813 INFO kablam!     Checking grep-searcher v0.1.1
Oct 13 14:02:05.832 INFO kablam!     Checking grep-printer v0.1.1
Oct 13 14:02:08.400 INFO kablam!     Checking grep v0.2.3 (/source)
Oct 13 14:02:14.276 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.98s
Oct 13 14:02:14.300 INFO kablam! su: No module specific data is present
Oct 13 14:02:14.864 INFO running `"docker" "rm" "-f" "b9ef377f8e143bcaaabaf727c6c89d3c921798acaa15441da8ffc8a6db23f76e"`
Oct 13 14:02:15.044 INFO blam! b9ef377f8e143bcaaabaf727c6c89d3c921798acaa15441da8ffc8a6db23f76e