[INFO] updating cached repository keathley/bf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keathley/bf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keathley/bf" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/keathley/bf"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/keathley/bf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keathley/bf" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/keathley/bf"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/keathley/bf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee0333994d3059a4f7765fc404fbb694a33c66c0
[INFO] sha for GitHub repo keathley/bf: ee0333994d3059a4f7765fc404fbb694a33c66c0
[INFO] validating manifest of keathley/bf on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of keathley/bf on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing keathley/bf
[INFO] finished frobbing keathley/bf
[INFO] frobbed toml for keathley/bf written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/keathley/bf/Cargo.toml
[INFO] started frobbing keathley/bf
[INFO] finished frobbing keathley/bf
[INFO] frobbed toml for keathley/bf written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/keathley/bf/Cargo.toml
[INFO] crate keathley/bf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking keathley/bf against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 08f7e57de5caded1dbd078b15cfd62fb2ab48847ee82bd5c33a49d22376534ef
[INFO] running `"docker" "start" "-a" "08f7e57de5caded1dbd078b15cfd62fb2ab48847ee82bd5c33a49d22376534ef"`
[INFO] [stderr]     Checking bf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `bytecode_to_string`
[INFO] [stderr]   --> src/interpreter/optimized.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytecode_to_string`
[INFO] [stderr]   --> src/interpreter/optimized.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "08f7e57de5caded1dbd078b15cfd62fb2ab48847ee82bd5c33a49d22376534ef"`
[INFO] running `"docker" "rm" "-f" "08f7e57de5caded1dbd078b15cfd62fb2ab48847ee82bd5c33a49d22376534ef"`
[INFO] [stdout] 08f7e57de5caded1dbd078b15cfd62fb2ab48847ee82bd5c33a49d22376534ef