Dec 18 02:59:23.957 INFO checking brinchj/rustfest-fastware against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 02:59:23.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/brinchj/rustfest-fastware:/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 18 02:59:24.359 INFO [stdout] 86815411a0a674716924d8d2581b52aca9545c0c6b7a42b52b9e430d4ee1b33c Dec 18 02:59:24.361 INFO running `"docker" "start" "-a" "86815411a0a674716924d8d2581b52aca9545c0c6b7a42b52b9e430d4ee1b33c"` Dec 18 02:59:26.484 INFO [stderr] Checking combine v3.2.0 Dec 18 02:59:26.484 INFO [stderr] Compiling im v10.2.0 Dec 18 02:59:46.744 INFO [stderr] Checking rustfest v0.1.0 (/opt/crater/workdir) Dec 18 02:59:48.820 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 02:59:48.820 INFO [stderr] --> src/lib.rs:387:17 Dec 18 02:59:48.820 INFO [stderr] | Dec 18 02:59:48.820 INFO [stderr] 387 | black_box(eval(&line, &mut env)); Dec 18 02:59:48.820 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 02:59:48.820 INFO [stderr] | Dec 18 02:59:48.820 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 02:59:48.820 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 02:59:48.820 INFO [stderr] Dec 18 02:59:48.860 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.45s Dec 18 02:59:49.756 INFO running `"docker" "inspect" "86815411a0a674716924d8d2581b52aca9545c0c6b7a42b52b9e430d4ee1b33c"` Dec 18 02:59:50.054 INFO running `"docker" "rm" "-f" "86815411a0a674716924d8d2581b52aca9545c0c6b7a42b52b9e430d4ee1b33c"` Dec 18 02:59:50.412 INFO [stdout] 86815411a0a674716924d8d2581b52aca9545c0c6b7a42b52b9e430d4ee1b33c