Dec 11 13:02:08.800 INFO checking mz2212/irondice against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:02:08.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 13:02:09.176 INFO [stdout] 751dcd9011419f9e0b6386acdbba5b3042ad5953f2085aa6046bce5dae3aaf0b
Dec 11 13:02:09.179 INFO running `"docker" "start" "-a" "751dcd9011419f9e0b6386acdbba5b3042ad5953f2085aa6046bce5dae3aaf0b"`
Dec 11 13:02:09.998 INFO [stderr] usermod: no changes
Dec 11 13:02:10.104 INFO [stderr]     Checking atty v0.2.6
Dec 11 13:02:10.104 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 11 13:02:10.518 INFO [stderr]     Checking clap v2.30.0
Dec 11 13:02:15.310 INFO [stderr]     Checking irondice v0.1.0 (/source)
Dec 11 13:02:16.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
Dec 11 13:02:16.064 INFO [stderr] su: No module specific data is present
Dec 11 13:02:16.400 INFO running `"docker" "inspect" "751dcd9011419f9e0b6386acdbba5b3042ad5953f2085aa6046bce5dae3aaf0b"`
Dec 11 13:02:16.678 INFO running `"docker" "rm" "-f" "751dcd9011419f9e0b6386acdbba5b3042ad5953f2085aa6046bce5dae3aaf0b"`
Dec 11 13:02:17.031 INFO [stdout] 751dcd9011419f9e0b6386acdbba5b3042ad5953f2085aa6046bce5dae3aaf0b