Dec 04 10:13:42.307 INFO checking shunp/rust_iron_api against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:13:42.307 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 10:13:42.899 INFO [stdout] 4e6ad0f982ecb79d2fb79fa85f105058711137d60081aa8c9f3f9895af929658
Dec 04 10:13:42.905 INFO running `"docker" "start" "-a" "4e6ad0f982ecb79d2fb79fa85f105058711137d60081aa8c9f3f9895af929658"`
Dec 04 10:13:44.323 INFO [stderr] usermod: no changes
Dec 04 10:13:44.527 INFO [stderr]     Checking base64 v0.6.0
Dec 04 10:13:44.532 INFO [stderr]     Checking mime v0.2.6
Dec 04 10:13:44.548 INFO [stderr]    Compiling mime_guess v1.8.6
Dec 04 10:13:45.960 INFO [stderr]     Checking hyper v0.10.13
Dec 04 10:13:52.628 INFO [stderr]     Checking iron v0.6.0
Dec 04 10:13:53.684 INFO [stderr]     Checking sample3 v0.1.0 (/source)
Dec 04 10:13:55.011 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.65s
Dec 04 10:13:55.023 INFO [stderr] su: No module specific data is present
Dec 04 10:13:56.080 INFO running `"docker" "inspect" "4e6ad0f982ecb79d2fb79fa85f105058711137d60081aa8c9f3f9895af929658"`
Dec 04 10:13:56.397 INFO running `"docker" "rm" "-f" "4e6ad0f982ecb79d2fb79fa85f105058711137d60081aa8c9f3f9895af929658"`
Dec 04 10:13:56.735 INFO [stdout] 4e6ad0f982ecb79d2fb79fa85f105058711137d60081aa8c9f3f9895af929658