[INFO] updating cached repository alexgnatrow/toy-bch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexgnatrow/toy-bch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexgnatrow/toy-bch" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexgnatrow/toy-bch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexgnatrow/toy-bch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexgnatrow/toy-bch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ce6a1bc977168c2812815a48f7cc6b5e5a92a75
[INFO] sha for GitHub repo alexgnatrow/toy-bch: 8ce6a1bc977168c2812815a48f7cc6b5e5a92a75
[INFO] validating manifest of alexgnatrow/toy-bch 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 alexgnatrow/toy-bch 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 alexgnatrow/toy-bch
[INFO] finished frobbing alexgnatrow/toy-bch
[INFO] frobbed toml for alexgnatrow/toy-bch written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch/Cargo.toml
[INFO] started frobbing alexgnatrow/toy-bch
[INFO] finished frobbing alexgnatrow/toy-bch
[INFO] frobbed toml for alexgnatrow/toy-bch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexgnatrow/toy-bch/Cargo.toml
[INFO] crate alexgnatrow/toy-bch 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 alexgnatrow/toy-bch 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch:/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] f6629b865b0a5e2906a06b8ac8f4b42ea98ce948636b9e74d13bdf463785aaf7
[INFO] running `"docker" "start" "-a" "f6629b865b0a5e2906a06b8ac8f4b42ea98ce948636b9e74d13bdf463785aaf7"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling toy-bch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.98s
[INFO] running `"docker" "inspect" "f6629b865b0a5e2906a06b8ac8f4b42ea98ce948636b9e74d13bdf463785aaf7"`
[INFO] running `"docker" "rm" "-f" "f6629b865b0a5e2906a06b8ac8f4b42ea98ce948636b9e74d13bdf463785aaf7"`
[INFO] [stdout] f6629b865b0a5e2906a06b8ac8f4b42ea98ce948636b9e74d13bdf463785aaf7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch:/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] 33007d1e3f685d7a98177f07f9705d37c43dd9dd19f22e511351550a81d76e44
[INFO] running `"docker" "start" "-a" "33007d1e3f685d7a98177f07f9705d37c43dd9dd19f22e511351550a81d76e44"`
[INFO] [stderr]    Compiling toy-bch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "33007d1e3f685d7a98177f07f9705d37c43dd9dd19f22e511351550a81d76e44"`
[INFO] running `"docker" "rm" "-f" "33007d1e3f685d7a98177f07f9705d37c43dd9dd19f22e511351550a81d76e44"`
[INFO] [stdout] 33007d1e3f685d7a98177f07f9705d37c43dd9dd19f22e511351550a81d76e44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexgnatrow/toy-bch:/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] 8a75a47ac65114809c95976f7567d06f560ca043f0dbc5e720148b765775405f
[INFO] running `"docker" "start" "-a" "8a75a47ac65114809c95976f7567d06f560ca043f0dbc5e720148b765775405f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/toy_bch-2105339edce50f61
[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" "8a75a47ac65114809c95976f7567d06f560ca043f0dbc5e720148b765775405f"`
[INFO] running `"docker" "rm" "-f" "8a75a47ac65114809c95976f7567d06f560ca043f0dbc5e720148b765775405f"`
[INFO] [stdout] 8a75a47ac65114809c95976f7567d06f560ca043f0dbc5e720148b765775405f