Oct 13 10:45:53.239 INFO checking pop3-rs-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:45:53.240 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 13 10:45:53.397 INFO blam! a43cc930e1a4e611e86f0621857e68fb17b0468556786a80313921ec0ecbb71d
Oct 13 10:45:53.400 INFO running `"docker" "start" "-a" "a43cc930e1a4e611e86f0621857e68fb17b0468556786a80313921ec0ecbb71d"`
Oct 13 10:45:54.112 INFO kablam! usermod: no changes
Oct 13 10:45:54.217 INFO kablam!    Compiling syntex_pos v0.54.0
Oct 13 10:45:54.219 INFO kablam!     Checking error-chain v0.8.1
Oct 13 10:45:56.294 INFO kablam!    Compiling syntex_errors v0.54.0
Oct 13 10:45:59.501 INFO kablam!    Compiling syntex_syntax v0.54.0
Oct 13 10:46:33.635 INFO kablam!    Compiling syntex v0.54.0
Oct 13 10:46:35.847 INFO kablam!    Compiling serde_codegen v0.8.23
Oct 13 10:46:40.718 INFO kablam!    Compiling pop3-rs v0.1.0 (/source)
Oct 13 10:46:47.388 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 53.24s
Oct 13 10:46:47.400 INFO kablam! su: No module specific data is present
Oct 13 10:46:48.337 INFO running `"docker" "rm" "-f" "a43cc930e1a4e611e86f0621857e68fb17b0468556786a80313921ec0ecbb71d"`
Oct 13 10:46:48.452 INFO blam! a43cc930e1a4e611e86f0621857e68fb17b0468556786a80313921ec0ecbb71d