[INFO] updating cached repository tptb/brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tptb/brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tptb/brainfuck" "work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tptb/brainfuck" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tptb/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tptb/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] deb7e8d6f95fe8eaf51aec2eea9e39a8209c3444
[INFO] sha for GitHub repo tptb/brainfuck: deb7e8d6f95fe8eaf51aec2eea9e39a8209c3444
[INFO] validating manifest of tptb/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 tptb/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 tptb/brainfuck
[INFO] finished frobbing tptb/brainfuck
[INFO] frobbed toml for tptb/brainfuck written to work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/brainfuck/Cargo.toml
[INFO] started frobbing tptb/brainfuck
[INFO] finished frobbing tptb/brainfuck
[INFO] frobbed toml for tptb/brainfuck written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tptb/brainfuck/Cargo.toml
[INFO] crate tptb/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 tptb/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/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] 43dfea7e0091822106c1ddd85f90aeef7b2b94f14b0f2ba8e4f00eab1220992e
[INFO] running `"docker" "start" "-a" "43dfea7e0091822106c1ddd85f90aeef7b2b94f14b0f2ba8e4f00eab1220992e"`
[INFO] [stderr]    Compiling brainfuck v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> StringInputOutput {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "43dfea7e0091822106c1ddd85f90aeef7b2b94f14b0f2ba8e4f00eab1220992e"`
[INFO] running `"docker" "rm" "-f" "43dfea7e0091822106c1ddd85f90aeef7b2b94f14b0f2ba8e4f00eab1220992e"`
[INFO] [stdout] 43dfea7e0091822106c1ddd85f90aeef7b2b94f14b0f2ba8e4f00eab1220992e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/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] 38685c2e4a8a5a910ea6ce7e3d942eb5d9d4d949d0695637153ff97fb913f094
[INFO] running `"docker" "start" "-a" "38685c2e4a8a5a910ea6ce7e3d942eb5d9d4d949d0695637153ff97fb913f094"`
[INFO] [stderr]    Compiling brainfuck v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "38685c2e4a8a5a910ea6ce7e3d942eb5d9d4d949d0695637153ff97fb913f094"`
[INFO] running `"docker" "rm" "-f" "38685c2e4a8a5a910ea6ce7e3d942eb5d9d4d949d0695637153ff97fb913f094"`
[INFO] [stdout] 38685c2e4a8a5a910ea6ce7e3d942eb5d9d4d949d0695637153ff97fb913f094
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tptb/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] c1502604a4900bb68dc962f992fb5d7830b2831b87b7fc3d6566e9aed00abcb8
[INFO] running `"docker" "start" "-a" "c1502604a4900bb68dc962f992fb5d7830b2831b87b7fc3d6566e9aed00abcb8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-df6f1519937ca441
[INFO] [stdout] test tests::mandelbrot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c1502604a4900bb68dc962f992fb5d7830b2831b87b7fc3d6566e9aed00abcb8"`
[INFO] running `"docker" "rm" "-f" "c1502604a4900bb68dc962f992fb5d7830b2831b87b7fc3d6566e9aed00abcb8"`
[INFO] [stdout] c1502604a4900bb68dc962f992fb5d7830b2831b87b7fc3d6566e9aed00abcb8