Dec 17 22:11:11.565 INFO checking joelparkerhenderson/demo_rust_code against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 17 22:11:11.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/joelparkerhenderson/demo_rust_code:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 22:11:12.142 INFO [stdout] 6b9daab665ec80d60982a998ce9920da75520144698dcf8dd90c45cc8798a63c Dec 17 22:11:12.144 INFO running `"docker" "start" "-a" "6b9daab665ec80d60982a998ce9920da75520144698dcf8dd90c45cc8798a63c"` Dec 17 22:11:13.863 INFO [stderr] Compiling cc v1.0.1 Dec 17 22:11:16.400 INFO [stderr] Compiling backtrace-sys v0.1.16 Dec 17 22:11:26.381 INFO [stderr] Checking backtrace v0.3.3 Dec 17 22:11:26.777 INFO [stderr] Checking error-chain v0.11.0 Dec 17 22:11:27.164 INFO [stderr] Checking demo-rust-code v1.0.0 (/opt/crater/workdir) Dec 17 22:11:27.519 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.74s Dec 17 22:11:27.842 INFO running `"docker" "inspect" "6b9daab665ec80d60982a998ce9920da75520144698dcf8dd90c45cc8798a63c"` Dec 17 22:11:28.020 INFO running `"docker" "rm" "-f" "6b9daab665ec80d60982a998ce9920da75520144698dcf8dd90c45cc8798a63c"` Dec 17 22:11:28.360 INFO [stdout] 6b9daab665ec80d60982a998ce9920da75520144698dcf8dd90c45cc8798a63c