[INFO] updating cached repository joeywinsford/rust-fizzbuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joeywinsford/rust-fizzbuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joeywinsford/rust-fizzbuzz" "work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joeywinsford/rust-fizzbuzz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4742cc39c889bb130776d92a5998f7c701e2ce5d
[INFO] sha for GitHub repo joeywinsford/rust-fizzbuzz: 4742cc39c889bb130776d92a5998f7c701e2ce5d
[INFO] validating manifest of joeywinsford/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 joeywinsford/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 joeywinsford/rust-fizzbuzz
[INFO] finished frobbing joeywinsford/rust-fizzbuzz
[INFO] frobbed toml for joeywinsford/rust-fizzbuzz written to work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-fizzbuzz/Cargo.toml
[INFO] started frobbing joeywinsford/rust-fizzbuzz
[INFO] finished frobbing joeywinsford/rust-fizzbuzz
[INFO] frobbed toml for joeywinsford/rust-fizzbuzz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-fizzbuzz/Cargo.toml
[INFO] crate joeywinsford/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 joeywinsford/rust-fizzbuzz 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f15536b70588b21f59d7f2cfccbede0e78950276601ad774ff3cbd50e9749d3f
[INFO] running `"docker" "start" "-a" "f15536b70588b21f59d7f2cfccbede0e78950276601ad774ff3cbd50e9749d3f"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "f15536b70588b21f59d7f2cfccbede0e78950276601ad774ff3cbd50e9749d3f"`
[INFO] running `"docker" "rm" "-f" "f15536b70588b21f59d7f2cfccbede0e78950276601ad774ff3cbd50e9749d3f"`
[INFO] [stdout] f15536b70588b21f59d7f2cfccbede0e78950276601ad774ff3cbd50e9749d3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b2b7da5318c5e5d1efe52f456471d154bfef081b255df92a7bf6afb945cb615
[INFO] running `"docker" "start" "-a" "9b2b7da5318c5e5d1efe52f456471d154bfef081b255df92a7bf6afb945cb615"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "9b2b7da5318c5e5d1efe52f456471d154bfef081b255df92a7bf6afb945cb615"`
[INFO] running `"docker" "rm" "-f" "9b2b7da5318c5e5d1efe52f456471d154bfef081b255df92a7bf6afb945cb615"`
[INFO] [stdout] 9b2b7da5318c5e5d1efe52f456471d154bfef081b255df92a7bf6afb945cb615
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 84eb4b65205af59799437862b74666e1877c640fefe29834eec61921e3fc3b62
[INFO] running `"docker" "start" "-a" "84eb4b65205af59799437862b74666e1877c640fefe29834eec61921e3fc3b62"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-455ddfa537d37676
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test buzz_for_10 ... ok
[INFO] [stdout] test buzz_for_5 ... ok
[INFO] [stdout] test fizz_for_3 ... ok
[INFO] [stdout] test fizz_for_6 ... ok
[INFO] [stdout] test fizzbuzz_for_15 ... ok
[INFO] [stdout] test val_for_1 ... ok
[INFO] [stdout] test val_for_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84eb4b65205af59799437862b74666e1877c640fefe29834eec61921e3fc3b62"`
[INFO] running `"docker" "rm" "-f" "84eb4b65205af59799437862b74666e1877c640fefe29834eec61921e3fc3b62"`
[INFO] [stdout] 84eb4b65205af59799437862b74666e1877c640fefe29834eec61921e3fc3b62