Dec 04 20:12:14.696 INFO checking data-pup/cargo-metadata-exercise against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:12:14.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:12:15.144 INFO [stdout] 3636af1743ad67328864fec077d912cef9120ebb48b2c5ec6eed2ec2340fcd9b
Dec 04 20:12:15.149 INFO running `"docker" "start" "-a" "3636af1743ad67328864fec077d912cef9120ebb48b2c5ec6eed2ec2340fcd9b"`
Dec 04 20:12:16.783 INFO [stderr] usermod: no changes
Dec 04 20:12:16.943 INFO [stderr]     Checking semver v0.9.0
Dec 04 20:12:16.943 INFO [stderr]     Checking error-chain v0.12.0
Dec 04 20:12:18.539 INFO [stderr]     Checking cargo_metadata v0.6.0
Dec 04 20:12:20.305 INFO [stderr]     Checking cargo-metadata-ex v0.1.0 (/source)
Dec 04 20:12:22.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
Dec 04 20:12:22.493 INFO [stderr] su: No module specific data is present
Dec 04 20:12:23.478 INFO running `"docker" "inspect" "3636af1743ad67328864fec077d912cef9120ebb48b2c5ec6eed2ec2340fcd9b"`
Dec 04 20:12:23.896 INFO running `"docker" "rm" "-f" "3636af1743ad67328864fec077d912cef9120ebb48b2c5ec6eed2ec2340fcd9b"`
Dec 04 20:12:24.287 INFO [stdout] 3636af1743ad67328864fec077d912cef9120ebb48b2c5ec6eed2ec2340fcd9b