Dec 11 12:20:54.542 INFO checking omaskery/derpy against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 12:20:54.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12:20:54.996 INFO [stdout] 433f117c3ada785629923409d4162bb825acf5e9d66517aa0600153271093012
Dec 11 12:20:54.998 INFO running `"docker" "start" "-a" "433f117c3ada785629923409d4162bb825acf5e9d66517aa0600153271093012"`
Dec 11 12:20:55.984 INFO [stderr] usermod: no changes
Dec 11 12:20:56.112 INFO [stderr]     Checking subprocess v0.1.12
Dec 11 12:20:56.112 INFO [stderr]    Compiling syn v0.13.4
Dec 11 12:20:56.113 INFO [stderr]     Checking backtrace v0.3.6
Dec 11 12:20:57.202 INFO [stderr]     Checking failure v0.1.1
Dec 11 12:21:04.614 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 11 12:21:07.666 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 11 12:21:14.937 INFO [stderr]     Checking derpy v0.1.0 (/source)
Dec 11 12:21:16.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
Dec 11 12:21:16.881 INFO [stderr] su: No module specific data is present
Dec 11 12:21:17.362 INFO running `"docker" "inspect" "433f117c3ada785629923409d4162bb825acf5e9d66517aa0600153271093012"`
Dec 11 12:21:17.638 INFO running `"docker" "rm" "-f" "433f117c3ada785629923409d4162bb825acf5e9d66517aa0600153271093012"`
Dec 11 12:21:17.899 INFO [stdout] 433f117c3ada785629923409d4162bb825acf5e9d66517aa0600153271093012