[INFO] updating cached repository kmoschcau/rust-bf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kmoschcau/rust-bf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kmoschcau/rust-bf" "work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-bf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-bf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kmoschcau/rust-bf" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kmoschcau/rust-bf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kmoschcau/rust-bf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6386226c2b9dd97335d582e463c3c9eac2f5002f
[INFO] sha for GitHub repo kmoschcau/rust-bf: 6386226c2b9dd97335d582e463c3c9eac2f5002f
[INFO] validating manifest of kmoschcau/rust-bf on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kmoschcau/rust-bf on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kmoschcau/rust-bf
[INFO] finished frobbing kmoschcau/rust-bf
[INFO] frobbed toml for kmoschcau/rust-bf written to work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-bf/Cargo.toml
[INFO] started frobbing kmoschcau/rust-bf
[INFO] finished frobbing kmoschcau/rust-bf
[INFO] frobbed toml for kmoschcau/rust-bf written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kmoschcau/rust-bf/Cargo.toml
[INFO] crate kmoschcau/rust-bf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kmoschcau/rust-bf against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 92599a7840321e9b8a18171eafef98004e7cedfa7842c4bf4366184493d2f1ae
[INFO] running `"docker" "start" "-a" "92599a7840321e9b8a18171eafef98004e7cedfa7842c4bf4366184493d2f1ae"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/bf_interpreter.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "92599a7840321e9b8a18171eafef98004e7cedfa7842c4bf4366184493d2f1ae"`
[INFO] running `"docker" "rm" "-f" "92599a7840321e9b8a18171eafef98004e7cedfa7842c4bf4366184493d2f1ae"`
[INFO] [stdout] 92599a7840321e9b8a18171eafef98004e7cedfa7842c4bf4366184493d2f1ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 05420f05f7754cc4ab150af80fa070038386cc9f456ec1d10cfb9c71d30b6ee1
[INFO] running `"docker" "start" "-a" "05420f05f7754cc4ab150af80fa070038386cc9f456ec1d10cfb9c71d30b6ee1"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/bf_interpreter.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "05420f05f7754cc4ab150af80fa070038386cc9f456ec1d10cfb9c71d30b6ee1"`
[INFO] running `"docker" "rm" "-f" "05420f05f7754cc4ab150af80fa070038386cc9f456ec1d10cfb9c71d30b6ee1"`
[INFO] [stdout] 05420f05f7754cc4ab150af80fa070038386cc9f456ec1d10cfb9c71d30b6ee1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kmoschcau/rust-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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ae1a3a3558a7e4044c08b71df11d98457b627ca77de7752f84ca8153efc7f874
[INFO] running `"docker" "start" "-a" "ae1a3a3558a7e4044c08b71df11d98457b627ca77de7752f84ca8153efc7f874"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-d0a1214e8a0ee311
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ae1a3a3558a7e4044c08b71df11d98457b627ca77de7752f84ca8153efc7f874"`
[INFO] running `"docker" "rm" "-f" "ae1a3a3558a7e4044c08b71df11d98457b627ca77de7752f84ca8153efc7f874"`
[INFO] [stdout] ae1a3a3558a7e4044c08b71df11d98457b627ca77de7752f84ca8153efc7f874