Dec 12 10:10:16.638 INFO checking pen-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 10:10:16.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 10:10:17.137 INFO [stdout] bf425f5f502de78f0e83b98c0b7ef6589ce78fa752e68d7c5dac1cc2e6612ff9
Dec 12 10:10:17.139 INFO running `"docker" "start" "-a" "bf425f5f502de78f0e83b98c0b7ef6589ce78fa752e68d7c5dac1cc2e6612ff9"`
Dec 12 10:10:17.643 INFO [stderr] usermod: no changes
Dec 12 10:10:17.780 INFO [stderr]     Checking buf-read-ext v0.2.1
Dec 12 10:10:17.788 INFO [stderr]     Checking textnonce v0.6.4
Dec 12 10:10:18.740 INFO [stderr]     Checking mime_multipart v0.5.1
Dec 12 10:10:22.694 INFO [stderr]     Checking formdata v0.12.2
Dec 12 10:10:26.195 INFO [stderr]     Checking pen v0.1.0 (/source)
Dec 12 10:10:33.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.00s
Dec 12 10:10:33.693 INFO [stderr] su: No module specific data is present
Dec 12 10:10:34.724 INFO running `"docker" "inspect" "bf425f5f502de78f0e83b98c0b7ef6589ce78fa752e68d7c5dac1cc2e6612ff9"`
Dec 12 10:10:35.190 INFO running `"docker" "rm" "-f" "bf425f5f502de78f0e83b98c0b7ef6589ce78fa752e68d7c5dac1cc2e6612ff9"`
Dec 12 10:10:35.571 INFO [stdout] bf425f5f502de78f0e83b98c0b7ef6589ce78fa752e68d7c5dac1cc2e6612ff9