Dec 11 17:57:51.454 INFO checking giodamelio/little_boxes against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 17:57:51.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 17:57:51.885 INFO [stdout] 5cdd34ed53d11a4672d37337abab518c14c601cdf4916d42f035b5c5d1a09a8e
Dec 11 17:57:51.888 INFO running `"docker" "start" "-a" "5cdd34ed53d11a4672d37337abab518c14c601cdf4916d42f035b5c5d1a09a8e"`
Dec 11 17:57:53.709 INFO [stderr] usermod: no changes
Dec 11 17:57:53.880 INFO [stderr]    Compiling serde_derive v1.0.12
Dec 11 17:57:59.872 INFO [stderr]     Checking docopt v0.8.1
Dec 11 17:58:01.756 INFO [stderr]     Checking little_boxes v1.6.0 (/source)
Dec 11 17:58:03.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.84s
Dec 11 17:58:03.601 INFO [stderr] su: No module specific data is present
Dec 11 17:58:04.352 INFO running `"docker" "inspect" "5cdd34ed53d11a4672d37337abab518c14c601cdf4916d42f035b5c5d1a09a8e"`
Dec 11 17:58:04.654 INFO running `"docker" "rm" "-f" "5cdd34ed53d11a4672d37337abab518c14c601cdf4916d42f035b5c5d1a09a8e"`
Dec 11 17:58:05.122 INFO [stdout] 5cdd34ed53d11a4672d37337abab518c14c601cdf4916d42f035b5c5d1a09a8e