[INFO] updating cached repository gumballhead/fizzbuzz.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gumballhead/fizzbuzz.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gumballhead/fizzbuzz.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gumballhead/fizzbuzz.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gumballhead/fizzbuzz.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gumballhead/fizzbuzz.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2bd13ac4b666c08f62767963034a7df62948f44d
[INFO] sha for GitHub repo gumballhead/fizzbuzz.rs: 2bd13ac4b666c08f62767963034a7df62948f44d
[INFO] validating manifest of gumballhead/fizzbuzz.rs 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 gumballhead/fizzbuzz.rs 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 gumballhead/fizzbuzz.rs
[INFO] finished frobbing gumballhead/fizzbuzz.rs
[INFO] frobbed toml for gumballhead/fizzbuzz.rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs/Cargo.toml
[INFO] started frobbing gumballhead/fizzbuzz.rs
[INFO] finished frobbing gumballhead/fizzbuzz.rs
[INFO] frobbed toml for gumballhead/fizzbuzz.rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gumballhead/fizzbuzz.rs/Cargo.toml
[INFO] crate gumballhead/fizzbuzz.rs 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 gumballhead/fizzbuzz.rs 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs:/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] a86605d4613cd7e63cc62027b0d42730fd65b74ce3e81a166c8845a18705088b
[INFO] running `"docker" "start" "-a" "a86605d4613cd7e63cc62027b0d42730fd65b74ce3e81a166c8845a18705088b"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "a86605d4613cd7e63cc62027b0d42730fd65b74ce3e81a166c8845a18705088b"`
[INFO] running `"docker" "rm" "-f" "a86605d4613cd7e63cc62027b0d42730fd65b74ce3e81a166c8845a18705088b"`
[INFO] [stdout] a86605d4613cd7e63cc62027b0d42730fd65b74ce3e81a166c8845a18705088b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs:/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] f1ffaa0b15486c42d42aa008bf35b458b1731954e262037781b4cbb0995e6ed6
[INFO] running `"docker" "start" "-a" "f1ffaa0b15486c42d42aa008bf35b458b1731954e262037781b4cbb0995e6ed6"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "f1ffaa0b15486c42d42aa008bf35b458b1731954e262037781b4cbb0995e6ed6"`
[INFO] running `"docker" "rm" "-f" "f1ffaa0b15486c42d42aa008bf35b458b1731954e262037781b4cbb0995e6ed6"`
[INFO] [stdout] f1ffaa0b15486c42d42aa008bf35b458b1731954e262037781b4cbb0995e6ed6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gumballhead/fizzbuzz.rs:/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] 843dcf2b6cd03b6376a99cf85873a5e38952c2d74aeb517a1c8e5e3b7b31b90b
[INFO] running `"docker" "start" "-a" "843dcf2b6cd03b6376a99cf85873a5e38952c2d74aeb517a1c8e5e3b7b31b90b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-2efd1d501d5c7990
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_fizz ... ok
[INFO] [stdout] test test::test_buzz ... ok
[INFO] [stdout] test test::test_not_buzz ... ok
[INFO] [stdout] test test::test_not_fizz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-0d4d7ff5424d66f6
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lib::test::test_not_buzz ... ok
[INFO] [stdout] test lib::test::test_fizz ... ok
[INFO] [stdout] test lib::test::test_not_fizz ... ok
[INFO] [stdout] test lib::test::test_buzz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-ac1d6355cd8d3914
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_fifteen_is_fizz_buzz ... ok
[INFO] [stdout] test test_buzzes ... ok
[INFO] [stdout] test test_fizzbuzzes ... ok
[INFO] [stdout] test test_five_is_buzz ... ok
[INFO] [stdout] test test_two_is_two ... ok
[INFO] [stdout] test test_three_is_fizz ... ok
[INFO] [stdout] test test_one_is_one ... ok
[INFO] [stdout] test test_fizzes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fizzbuzz
[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" "843dcf2b6cd03b6376a99cf85873a5e38952c2d74aeb517a1c8e5e3b7b31b90b"`
[INFO] running `"docker" "rm" "-f" "843dcf2b6cd03b6376a99cf85873a5e38952c2d74aeb517a1c8e5e3b7b31b90b"`
[INFO] [stdout] 843dcf2b6cd03b6376a99cf85873a5e38952c2d74aeb517a1c8e5e3b7b31b90b