Dec 12 09:45:04.886 INFO checking prost-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:45:04.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 09:45:05.116 INFO [stdout] 93ebb114bcc5558829fed21789e88c28c01ee41627c16bb8e194184e5b6f47f7
Dec 12 09:45:05.120 INFO running `"docker" "start" "-a" "93ebb114bcc5558829fed21789e88c28c01ee41627c16bb8e194184e5b6f47f7"`
Dec 12 09:45:05.639 INFO [stderr] usermod: no changes
Dec 12 09:45:05.725 INFO [stderr]    Compiling syn v0.14.9
Dec 12 09:45:05.725 INFO [stderr]     Checking prost v0.4.0 (/source)
Dec 12 09:45:05.725 INFO [stderr]    Compiling failure v0.1.3
Dec 12 09:45:15.714 INFO [stderr]    Compiling prost-derive v0.4.0
Dec 12 09:45:27.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.11s
Dec 12 09:45:27.780 INFO [stderr] su: No module specific data is present
Dec 12 09:45:28.856 INFO running `"docker" "inspect" "93ebb114bcc5558829fed21789e88c28c01ee41627c16bb8e194184e5b6f47f7"`
Dec 12 09:45:29.200 INFO running `"docker" "rm" "-f" "93ebb114bcc5558829fed21789e88c28c01ee41627c16bb8e194184e5b6f47f7"`
Dec 12 09:45:29.499 INFO [stdout] 93ebb114bcc5558829fed21789e88c28c01ee41627c16bb8e194184e5b6f47f7