Dec 04 20:12:15.606 INFO checking data-pup/cargo-metadata-exercise against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:12:15.606 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 20:12:16.092 INFO [stdout] b2607ef2f2d8d6f3fe10b8ba5330a8483f0864acb106cc168387d8e0cd4774b4
Dec 04 20:12:16.094 INFO running `"docker" "start" "-a" "b2607ef2f2d8d6f3fe10b8ba5330a8483f0864acb106cc168387d8e0cd4774b4"`
Dec 04 20:12:18.592 INFO [stderr] usermod: no changes
Dec 04 20:12:18.803 INFO [stderr]     Checking semver v0.9.0
Dec 04 20:12:18.803 INFO [stderr]    Compiling syn v0.14.9
Dec 04 20:12:18.803 INFO [stderr]     Checking error-chain v0.12.0
Dec 04 20:12:27.410 INFO [stderr]    Compiling serde_derive v1.0.76
Dec 04 20:12:39.868 INFO [stderr]     Checking cargo_metadata v0.6.0
Dec 04 20:12:41.451 INFO [stderr]     Checking cargo-metadata-ex v0.1.0 (/source)
Dec 04 20:12:44.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.53s
Dec 04 20:12:44.178 INFO [stderr] su: No module specific data is present
Dec 04 20:12:44.425 INFO running `"docker" "inspect" "b2607ef2f2d8d6f3fe10b8ba5330a8483f0864acb106cc168387d8e0cd4774b4"`
Dec 04 20:12:44.553 INFO running `"docker" "rm" "-f" "b2607ef2f2d8d6f3fe10b8ba5330a8483f0864acb106cc168387d8e0cd4774b4"`
Dec 04 20:12:44.630 INFO [stdout] b2607ef2f2d8d6f3fe10b8ba5330a8483f0864acb106cc168387d8e0cd4774b4