Dec 19 14:30:16.152 INFO checking keathley/bf against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:30:16.152 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/keathley/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:30:16.723 INFO [stdout] 016498d917310ff00b7d57861a7772f22b12c0975e1b56d5210e7350b8bb6b5f
Dec 19 14:30:16.725 INFO running `"docker" "start" "-a" "016498d917310ff00b7d57861a7772f22b12c0975e1b56d5210e7350b8bb6b5f"`
Dec 19 14:30:19.472 INFO [stderr]     Checking bf v0.1.0 (/opt/crater/workdir)
Dec 19 14:30:20.221 INFO [stderr] warning: function is never used: `bytecode_to_string`
Dec 19 14:30:20.221 INFO [stderr]   --> src/interpreter/optimized.rs:17:1
Dec 19 14:30:20.221 INFO [stderr]    |
Dec 19 14:30:20.221 INFO [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
Dec 19 14:30:20.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:20.221 INFO [stderr]    |
Dec 19 14:30:20.222 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:30:20.222 INFO [stderr] 
Dec 19 14:30:20.336 INFO [stderr] warning: function is never used: `bytecode_to_string`
Dec 19 14:30:20.336 INFO [stderr]   --> src/interpreter/optimized.rs:17:1
Dec 19 14:30:20.336 INFO [stderr]    |
Dec 19 14:30:20.336 INFO [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
Dec 19 14:30:20.336 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:20.336 INFO [stderr]    |
Dec 19 14:30:20.336 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:30:20.336 INFO [stderr] 
Dec 19 14:30:20.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 19 14:30:21.382 INFO running `"docker" "inspect" "016498d917310ff00b7d57861a7772f22b12c0975e1b56d5210e7350b8bb6b5f"`
Dec 19 14:30:21.643 INFO running `"docker" "rm" "-f" "016498d917310ff00b7d57861a7772f22b12c0975e1b56d5210e7350b8bb6b5f"`
Dec 19 14:30:21.948 INFO [stdout] 016498d917310ff00b7d57861a7772f22b12c0975e1b56d5210e7350b8bb6b5f