[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-1.38-1/sources/1.37.0/gh/matsu7874/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matsu7874/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matsu7874/brainfuck" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matsu7874/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matsu7874/brainfuck 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 matsu7874/brainfuck
[INFO] finished frobbing matsu7874/brainfuck
[INFO] frobbed toml for matsu7874/brainfuck written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing matsu7874/brainfuck 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4e1975cb57ef4ded9f07dac78bbc527af44af2470319ecde66fd52ab601acf4c
[INFO] running `"docker" "start" "-a" "4e1975cb57ef4ded9f07dac78bbc527af44af2470319ecde66fd52ab601acf4c"`
[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 1.57s
[INFO] running `"docker" "inspect" "4e1975cb57ef4ded9f07dac78bbc527af44af2470319ecde66fd52ab601acf4c"`
[INFO] running `"docker" "rm" "-f" "4e1975cb57ef4ded9f07dac78bbc527af44af2470319ecde66fd52ab601acf4c"`
[INFO] [stdout] 4e1975cb57ef4ded9f07dac78bbc527af44af2470319ecde66fd52ab601acf4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 988e16341800d85cf40cddc5756c2a352b39a3c18d654807fda9fa3754a0f805
[INFO] running `"docker" "start" "-a" "988e16341800d85cf40cddc5756c2a352b39a3c18d654807fda9fa3754a0f805"`
[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 1.58s
[INFO] running `"docker" "inspect" "988e16341800d85cf40cddc5756c2a352b39a3c18d654807fda9fa3754a0f805"`
[INFO] running `"docker" "rm" "-f" "988e16341800d85cf40cddc5756c2a352b39a3c18d654807fda9fa3754a0f805"`
[INFO] [stdout] 988e16341800d85cf40cddc5756c2a352b39a3c18d654807fda9fa3754a0f805
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4ecb9d9c752539d90e6456532a32eb10a5c1a3093bfd56c28b33ca56a2bf5b5f
[INFO] running `"docker" "start" "-a" "4ecb9d9c752539d90e6456532a32eb10a5c1a3093bfd56c28b33ca56a2bf5b5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-9e71c83fa4e277c6
[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-dca6b6cfe9e7ddde
[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" "4ecb9d9c752539d90e6456532a32eb10a5c1a3093bfd56c28b33ca56a2bf5b5f"`
[INFO] running `"docker" "rm" "-f" "4ecb9d9c752539d90e6456532a32eb10a5c1a3093bfd56c28b33ca56a2bf5b5f"`
[INFO] [stdout] 4ecb9d9c752539d90e6456532a32eb10a5c1a3093bfd56c28b33ca56a2bf5b5f