Oct 13 10:36:23.150 INFO checking prost-derive-0.4.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:36:23.150 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 10:36:23.700 INFO blam! 112a985b5a66b9527d24ab794df840ee36111f7213a0ea6ea3825f8716fcab31
Oct 13 10:36:23.703 INFO running `"docker" "start" "-a" "112a985b5a66b9527d24ab794df840ee36111f7213a0ea6ea3825f8716fcab31"`
Oct 13 10:36:25.003 INFO kablam! usermod: no changes
Oct 13 10:36:25.144 INFO kablam!     Checking rustc-demangle v0.1.9
Oct 13 10:36:25.144 INFO kablam!     Checking itertools v0.7.8
Oct 13 10:36:25.144 INFO kablam!     Checking backtrace-sys v0.1.24
Oct 13 10:36:25.144 INFO kablam!     Checking syn v0.14.9
Oct 13 10:36:26.573 INFO kablam!     Checking backtrace v0.3.9
Oct 13 10:36:28.392 INFO kablam!     Checking failure v0.1.2
Oct 13 10:36:36.652 INFO kablam!     Checking prost-derive v0.4.0 (/source)
Oct 13 10:36:44.366 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
Oct 13 10:36:44.371 INFO kablam! su: No module specific data is present
Oct 13 10:36:44.740 INFO running `"docker" "rm" "-f" "112a985b5a66b9527d24ab794df840ee36111f7213a0ea6ea3825f8716fcab31"`
Oct 13 10:36:44.848 INFO blam! 112a985b5a66b9527d24ab794df840ee36111f7213a0ea6ea3825f8716fcab31