[INFO] updating cached repository the-guitarman/rust_fizzbuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/the-guitarman/rust_fizzbuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/the-guitarman/rust_fizzbuzz" "work/ex/beta-1.38-1/sources/1.37.0/gh/the-guitarman/rust_fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/the-guitarman/rust_fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/the-guitarman/rust_fizzbuzz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b62f4679d7b3387c0a80c5ecdf26f4ea5919f5c3
[INFO] sha for GitHub repo the-guitarman/rust_fizzbuzz: b62f4679d7b3387c0a80c5ecdf26f4ea5919f5c3
[INFO] validating manifest of the-guitarman/rust_fizzbuzz 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 the-guitarman/rust_fizzbuzz 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 the-guitarman/rust_fizzbuzz
[INFO] finished frobbing the-guitarman/rust_fizzbuzz
[INFO] frobbed toml for the-guitarman/rust_fizzbuzz written to work/ex/beta-1.38-1/sources/1.37.0/gh/the-guitarman/rust_fizzbuzz/Cargo.toml
[INFO] started frobbing the-guitarman/rust_fizzbuzz
[INFO] finished frobbing the-guitarman/rust_fizzbuzz
[INFO] frobbed toml for the-guitarman/rust_fizzbuzz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz/Cargo.toml
[INFO] crate the-guitarman/rust_fizzbuzz 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 the-guitarman/rust_fizzbuzz against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] adef90abbc85899dacceb6ba1f2514392f727f886f46db166429fab222eb8dfd
[INFO] running `"docker" "start" "-a" "adef90abbc85899dacceb6ba1f2514392f727f886f46db166429fab222eb8dfd"`
[INFO] [stderr]    Compiling rust_fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "adef90abbc85899dacceb6ba1f2514392f727f886f46db166429fab222eb8dfd"`
[INFO] running `"docker" "rm" "-f" "adef90abbc85899dacceb6ba1f2514392f727f886f46db166429fab222eb8dfd"`
[INFO] [stdout] adef90abbc85899dacceb6ba1f2514392f727f886f46db166429fab222eb8dfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3764ca8c90508a1bba2424d3976e6456a542972bde3c22d764b478a0d153c75
[INFO] running `"docker" "start" "-a" "b3764ca8c90508a1bba2424d3976e6456a542972bde3c22d764b478a0d153c75"`
[INFO] [stderr]    Compiling rust_fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "b3764ca8c90508a1bba2424d3976e6456a542972bde3c22d764b478a0d153c75"`
[INFO] running `"docker" "rm" "-f" "b3764ca8c90508a1bba2424d3976e6456a542972bde3c22d764b478a0d153c75"`
[INFO] [stdout] b3764ca8c90508a1bba2424d3976e6456a542972bde3c22d764b478a0d153c75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-guitarman/rust_fizzbuzz:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 05172d769e28b04f7fcbf8e19a20d481338d4f7408a58f9c05316d98e1c5a5c3
[INFO] running `"docker" "start" "-a" "05172d769e28b04f7fcbf8e19a20d481338d4f7408a58f9c05316d98e1c5a5c3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_fizzbuzz-c816aa770fb4ec97
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_fizzbuzz ... 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" "05172d769e28b04f7fcbf8e19a20d481338d4f7408a58f9c05316d98e1c5a5c3"`
[INFO] running `"docker" "rm" "-f" "05172d769e28b04f7fcbf8e19a20d481338d4f7408a58f9c05316d98e1c5a5c3"`
[INFO] [stdout] 05172d769e28b04f7fcbf8e19a20d481338d4f7408a58f9c05316d98e1c5a5c3