Dec 17 19:37:16.243 INFO checking millere/bf against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:37:16.243 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/millere/bf:/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 19:37:16.654 INFO [stdout] 2f3447aaf759e0e47d014f6376dd35da0702c19687fc4c7c14133acfd3111887
Dec 17 19:37:16.656 INFO running `"docker" "start" "-a" "2f3447aaf759e0e47d014f6376dd35da0702c19687fc4c7c14133acfd3111887"`
Dec 17 19:37:18.024 INFO [stderr]     Checking bf v0.0.1 (/opt/crater/workdir)
Dec 17 19:37:18.308 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 19:37:18.308 INFO [stderr]  --> src/main.rs:2:5
Dec 17 19:37:18.308 INFO [stderr]   |
Dec 17 19:37:18.308 INFO [stderr] 2 | use std::io::Read;
Dec 17 19:37:18.308 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 19:37:18.308 INFO [stderr]   |
Dec 17 19:37:18.308 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:37:18.308 INFO [stderr] 
Dec 17 19:37:18.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:37:18.316 INFO [stderr]   --> src/main.rs:14:22
Dec 17 19:37:18.316 INFO [stderr]    |
Dec 17 19:37:18.316 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 17 19:37:18.316 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:37:18.316 INFO [stderr]    |
Dec 17 19:37:18.316 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:37:18.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:37:18.316 INFO [stderr] 
Dec 17 19:37:18.428 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 19:37:18.428 INFO [stderr]  --> src/main.rs:2:5
Dec 17 19:37:18.428 INFO [stderr]   |
Dec 17 19:37:18.428 INFO [stderr] 2 | use std::io::Read;
Dec 17 19:37:18.428 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 19:37:18.428 INFO [stderr]   |
Dec 17 19:37:18.428 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:37:18.428 INFO [stderr] 
Dec 17 19:37:18.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:37:18.432 INFO [stderr]   --> src/main.rs:14:22
Dec 17 19:37:18.432 INFO [stderr]    |
Dec 17 19:37:18.432 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 17 19:37:18.432 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:37:18.432 INFO [stderr]    |
Dec 17 19:37:18.432 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:37:18.432 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:37:18.432 INFO [stderr] 
Dec 17 19:37:18.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 17 19:37:19.110 INFO running `"docker" "inspect" "2f3447aaf759e0e47d014f6376dd35da0702c19687fc4c7c14133acfd3111887"`
Dec 17 19:37:19.366 INFO running `"docker" "rm" "-f" "2f3447aaf759e0e47d014f6376dd35da0702c19687fc4c7c14133acfd3111887"`
Dec 17 19:37:19.494 INFO [stdout] 2f3447aaf759e0e47d014f6376dd35da0702c19687fc4c7c14133acfd3111887