Dec 18 05:09:41.329 INFO checking TinyBuilder/rust-practice against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:09:41.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/TinyBuilder/rust-practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:09:43.454 INFO [stdout] d16a46a03e2c513620b11cc7e8688093bd4c0a7c69a80d86ecca7c835dea6bcd
Dec 18 05:09:43.456 INFO running `"docker" "start" "-a" "d16a46a03e2c513620b11cc7e8688093bd4c0a7c69a80d86ecca7c835dea6bcd"`
Dec 18 05:09:44.736 INFO [stderr]     Checking hyper v0.10.9
Dec 18 05:09:48.147 INFO [stderr]     Checking iron v0.5.1
Dec 18 05:09:48.831 INFO [stderr]     Checking server v0.1.0 (/opt/crater/workdir)
Dec 18 05:09:49.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
Dec 18 05:09:50.619 INFO running `"docker" "inspect" "d16a46a03e2c513620b11cc7e8688093bd4c0a7c69a80d86ecca7c835dea6bcd"`
Dec 18 05:09:50.892 INFO running `"docker" "rm" "-f" "d16a46a03e2c513620b11cc7e8688093bd4c0a7c69a80d86ecca7c835dea6bcd"`
Dec 18 05:09:51.120 INFO [stdout] d16a46a03e2c513620b11cc7e8688093bd4c0a7c69a80d86ecca7c835dea6bcd