Oct 12 13:53:49.786 INFO checking shekohex/fbcsv against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:53:49.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 13:53:49.955 INFO blam! 89aed3b1f9b58f956cc289c30ec78eb5340a3fe35b699a0d4018104c240b40e0
Oct 12 13:53:49.957 INFO running `"docker" "start" "-a" "89aed3b1f9b58f956cc289c30ec78eb5340a3fe35b699a0d4018104c240b40e0"`
Oct 12 13:53:50.567 INFO kablam! usermod: no changes
Oct 12 13:53:50.716 INFO kablam!     Checking tempdir v0.3.7
Oct 12 13:53:50.716 INFO kablam!     Checking regex v0.2.11
Oct 12 13:53:50.716 INFO kablam!     Checking toml v0.4.6
Oct 12 13:53:50.736 INFO kablam!     Checking csv v1.0.0
Oct 12 13:53:50.745 INFO kablam!     Checking failure v0.1.1
Oct 12 13:53:54.139 INFO kablam!     Checking os_type v2.0.0
Oct 12 13:53:54.568 INFO kablam!     Checking human-panic v1.0.0
Oct 12 13:53:55.196 INFO kablam!     Checking fbcsv v0.1.0 (/source)
Oct 12 13:53:56.133 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
Oct 12 13:53:56.141 INFO kablam! su: No module specific data is present
Oct 12 13:53:56.397 INFO running `"docker" "rm" "-f" "89aed3b1f9b58f956cc289c30ec78eb5340a3fe35b699a0d4018104c240b40e0"`
Oct 12 13:53:56.474 INFO blam! 89aed3b1f9b58f956cc289c30ec78eb5340a3fe35b699a0d4018104c240b40e0