Dec 11 13:41:52.729 INFO checking mfs/hc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:41:52.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11 13:41:53.217 INFO [stdout] a363861d2f340d59956437371f6d53ed0c9bcd5f0634a8545376dd1b943f5b7f
Dec 11 13:41:53.219 INFO running `"docker" "start" "-a" "a363861d2f340d59956437371f6d53ed0c9bcd5f0634a8545376dd1b943f5b7f"`
Dec 11 13:41:54.332 INFO [stderr] usermod: no changes
Dec 11 13:41:54.468 INFO [stderr]     Checking atty v0.2.6
Dec 11 13:41:54.468 INFO [stderr]     Checking rand v0.4.2
Dec 11 13:41:54.468 INFO [stderr]     Checking term v0.5.1
Dec 11 13:41:55.101 INFO [stderr]     Checking clap v2.29.0
Dec 11 13:42:02.935 INFO [stderr]     Checking hc v0.1.0 (/source)
Dec 11 13:42:03.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
Dec 11 13:42:03.572 INFO [stderr] su: No module specific data is present
Dec 11 13:42:03.870 INFO running `"docker" "inspect" "a363861d2f340d59956437371f6d53ed0c9bcd5f0634a8545376dd1b943f5b7f"`
Dec 11 13:42:03.952 INFO running `"docker" "rm" "-f" "a363861d2f340d59956437371f6d53ed0c9bcd5f0634a8545376dd1b943f5b7f"`
Dec 11 13:42:04.052 INFO [stdout] a363861d2f340d59956437371f6d53ed0c9bcd5f0634a8545376dd1b943f5b7f