[INFO] updating cached repository fouralarmfire/rustbuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fouralarmfire/rustbuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fouralarmfire/rustbuzz" "work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fouralarmfire/rustbuzz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fouralarmfire/rustbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fouralarmfire/rustbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a75f0d1067f7bb668b50c34878d07a9d2c0e45a
[INFO] sha for GitHub repo fouralarmfire/rustbuzz: 5a75f0d1067f7bb668b50c34878d07a9d2c0e45a
[INFO] validating manifest of fouralarmfire/rustbuzz 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 fouralarmfire/rustbuzz 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 fouralarmfire/rustbuzz
[INFO] finished frobbing fouralarmfire/rustbuzz
[INFO] frobbed toml for fouralarmfire/rustbuzz written to work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz/Cargo.toml
[INFO] started frobbing fouralarmfire/rustbuzz
[INFO] finished frobbing fouralarmfire/rustbuzz
[INFO] frobbed toml for fouralarmfire/rustbuzz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fouralarmfire/rustbuzz/Cargo.toml
[INFO] crate fouralarmfire/rustbuzz 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 fouralarmfire/rustbuzz against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5bd4cb93325a528d6f9925a038382b4449d19b1c643408bbd1afe25843c868f7
[INFO] running `"docker" "start" "-a" "5bd4cb93325a528d6f9925a038382b4449d19b1c643408bbd1afe25843c868f7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling rust_buzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "5bd4cb93325a528d6f9925a038382b4449d19b1c643408bbd1afe25843c868f7"`
[INFO] running `"docker" "rm" "-f" "5bd4cb93325a528d6f9925a038382b4449d19b1c643408bbd1afe25843c868f7"`
[INFO] [stdout] 5bd4cb93325a528d6f9925a038382b4449d19b1c643408bbd1afe25843c868f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f608a2e7b8ee387f7f420f1c32f9b8a5fdd71dc7650334b0dab9d1ad712450a2
[INFO] running `"docker" "start" "-a" "f608a2e7b8ee387f7f420f1c32f9b8a5fdd71dc7650334b0dab9d1ad712450a2"`
[INFO] [stderr]    Compiling rust_buzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "f608a2e7b8ee387f7f420f1c32f9b8a5fdd71dc7650334b0dab9d1ad712450a2"`
[INFO] running `"docker" "rm" "-f" "f608a2e7b8ee387f7f420f1c32f9b8a5fdd71dc7650334b0dab9d1ad712450a2"`
[INFO] [stdout] f608a2e7b8ee387f7f420f1c32f9b8a5fdd71dc7650334b0dab9d1ad712450a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fouralarmfire/rustbuzz:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f6f3625a6f1719b063083fc474cb8ec13d1b90f6aa4aab50c27218e8ccf57a19
[INFO] running `"docker" "start" "-a" "f6f3625a6f1719b063083fc474cb8ec13d1b90f6aa4aab50c27218e8ccf57a19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_buzz-f00cfadf765afbe7
[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]      Running /opt/crater/target/debug/deps/lib-9aebc26534524454
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test says_fizzbuzz ... ok
[INFO] [stdout] test returns_number ... ok
[INFO] [stdout] test says_buzz ... ok
[INFO] [stdout] test says_fizz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_buzz
[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" "f6f3625a6f1719b063083fc474cb8ec13d1b90f6aa4aab50c27218e8ccf57a19"`
[INFO] running `"docker" "rm" "-f" "f6f3625a6f1719b063083fc474cb8ec13d1b90f6aa4aab50c27218e8ccf57a19"`
[INFO] [stdout] f6f3625a6f1719b063083fc474cb8ec13d1b90f6aa4aab50c27218e8ccf57a19