Oct 12 16:51:34.374 INFO checking mxtthias/paco against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:51:34.376 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 16:51:34.838 INFO blam! f63c82c6a4156eecb13578d69795f848fd87f1e4080725746611976516e9c0b5
Oct 12 16:51:34.840 INFO running `"docker" "start" "-a" "f63c82c6a4156eecb13578d69795f848fd87f1e4080725746611976516e9c0b5"`
Oct 12 16:51:36.575 INFO kablam! usermod: no changes
Oct 12 16:51:36.704 INFO kablam!     Checking memchr v1.0.1
Oct 12 16:51:36.712 INFO kablam!     Checking textwrap v0.7.0
Oct 12 16:51:36.724 INFO kablam!    Compiling structopt-derive v0.1.0
Oct 12 16:51:37.760 INFO kablam!     Checking csv-core v0.1.3
Oct 12 16:51:38.183 INFO kablam!     Checking clap v2.26.0
Oct 12 16:51:39.956 INFO kablam!     Checking csv v1.0.0-beta.4
Oct 12 16:51:46.324 INFO kablam!     Checking structopt v0.1.0
Oct 12 16:51:46.828 INFO kablam!     Checking paco v0.1.0 (/source)
Oct 12 16:51:47.965 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.37s
Oct 12 16:51:47.981 INFO kablam! su: No module specific data is present
Oct 12 16:51:48.445 INFO running `"docker" "rm" "-f" "f63c82c6a4156eecb13578d69795f848fd87f1e4080725746611976516e9c0b5"`
Oct 12 16:51:48.556 INFO blam! f63c82c6a4156eecb13578d69795f848fd87f1e4080725746611976516e9c0b5