Oct 13 07:50:19.529 INFO checking stun_codec-0.1.10 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:50:19.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 07:50:19.726 INFO blam! d94b336a708f47d9db3f4a27b4f9506fdf39562bbd5d21d0e844a01a6b01fdc2
Oct 13 07:50:19.731 INFO running `"docker" "start" "-a" "d94b336a708f47d9db3f4a27b4f9506fdf39562bbd5d21d0e844a01a6b01fdc2"`
Oct 13 07:50:20.919 INFO kablam! usermod: no changes
Oct 13 07:50:21.024 INFO kablam!     Checking hmac-sha1 v0.1.3
Oct 13 07:50:21.032 INFO kablam!    Compiling quote v0.6.8
Oct 13 07:50:25.708 INFO kablam!    Compiling syn v0.15.9
Oct 13 07:50:37.755 INFO kablam!    Compiling trackable_derive v0.1.1
Oct 13 07:50:42.516 INFO kablam!     Checking trackable v0.2.20
Oct 13 07:50:43.476 INFO kablam!     Checking bytecodec v0.4.11
Oct 13 07:50:47.909 INFO kablam!     Checking stun_codec v0.1.10 (/source)
Oct 13 07:50:52.990 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 32.04s
Oct 13 07:50:52.994 INFO kablam! su: No module specific data is present
Oct 13 07:50:54.319 INFO running `"docker" "rm" "-f" "d94b336a708f47d9db3f4a27b4f9506fdf39562bbd5d21d0e844a01a6b01fdc2"`
Oct 13 07:50:54.552 INFO blam! d94b336a708f47d9db3f4a27b4f9506fdf39562bbd5d21d0e844a01a6b01fdc2