[INFO] updating cached repository matsu7874/brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matsu7874/brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matsu7874/brainfuck" "work/ex/beta-1.37-6/sources/1.36.0/gh/matsu7874/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/matsu7874/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matsu7874/brainfuck" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d3cc05bfd44aee8d3d1527d6a2a64cd02e6de67
[INFO] sha for GitHub repo matsu7874/brainfuck: 2d3cc05bfd44aee8d3d1527d6a2a64cd02e6de67
[INFO] validating manifest of matsu7874/brainfuck on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matsu7874/brainfuck on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matsu7874/brainfuck
[INFO] finished frobbing matsu7874/brainfuck
[INFO] frobbed toml for matsu7874/brainfuck written to work/ex/beta-1.37-6/sources/1.36.0/gh/matsu7874/brainfuck/Cargo.toml
[INFO] started frobbing matsu7874/brainfuck
[INFO] finished frobbing matsu7874/brainfuck
[INFO] frobbed toml for matsu7874/brainfuck written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck/Cargo.toml
[INFO] crate matsu7874/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing matsu7874/brainfuck against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b42d3a254164be185e9a1d4bd8647077c5f7f25d8b5dce2f0f8f7080dc698b00
[INFO] running `"docker" "start" "-a" "b42d3a254164be185e9a1d4bd8647077c5f7f25d8b5dce2f0f8f7080dc698b00"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return process::exit(64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "b42d3a254164be185e9a1d4bd8647077c5f7f25d8b5dce2f0f8f7080dc698b00"`
[INFO] running `"docker" "rm" "-f" "b42d3a254164be185e9a1d4bd8647077c5f7f25d8b5dce2f0f8f7080dc698b00"`
[INFO] [stdout] b42d3a254164be185e9a1d4bd8647077c5f7f25d8b5dce2f0f8f7080dc698b00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95581190da157e4567619707557b878882ad9ac24313974926e14f76a8a58572
[INFO] running `"docker" "start" "-a" "95581190da157e4567619707557b878882ad9ac24313974926e14f76a8a58572"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return process::exit(64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "95581190da157e4567619707557b878882ad9ac24313974926e14f76a8a58572"`
[INFO] running `"docker" "rm" "-f" "95581190da157e4567619707557b878882ad9ac24313974926e14f76a8a58572"`
[INFO] [stdout] 95581190da157e4567619707557b878882ad9ac24313974926e14f76a8a58572
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matsu7874/brainfuck:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 496a7e7af77eab4c5a619e392fb51475cbe005c06935db4c155b564a1d4d1ebd
[INFO] running `"docker" "start" "-a" "496a7e7af77eab4c5a619e392fb51475cbe005c06935db4c155b564a1d4d1ebd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-38c9b94c5e92f665
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_interpreter ... ok
[INFO] [stdout] test test_lexer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-9fd329c97a108d8e
[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] [stderr]    Doc-tests brainfuck
[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" "496a7e7af77eab4c5a619e392fb51475cbe005c06935db4c155b564a1d4d1ebd"`
[INFO] running `"docker" "rm" "-f" "496a7e7af77eab4c5a619e392fb51475cbe005c06935db4c155b564a1d4d1ebd"`
[INFO] [stdout] 496a7e7af77eab4c5a619e392fb51475cbe005c06935db4c155b564a1d4d1ebd