[INFO] cloning repository https://github.com/gumballhead/fizzbuzz.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gumballhead/fizzbuzz.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgumballhead%2Ffizzbuzz.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgumballhead%2Ffizzbuzz.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bd13ac4b666c08f62767963034a7df62948f44d
[INFO] testing gumballhead/fizzbuzz.rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgumballhead%2Ffizzbuzz.rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gumballhead/fizzbuzz.rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gumballhead/fizzbuzz.rs
[INFO] finished tweaking git repo https://github.com/gumballhead/fizzbuzz.rs
[INFO] tweaked toml for git repo https://github.com/gumballhead/fizzbuzz.rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gumballhead/fizzbuzz.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93a5316df5b5598704c4d997bfdd47b77634df6576edc43d0849b9c95267823f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93a5316df5b5598704c4d997bfdd47b77634df6576edc43d0849b9c95267823f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a5316df5b5598704c4d997bfdd47b77634df6576edc43d0849b9c95267823f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a5316df5b5598704c4d997bfdd47b77634df6576edc43d0849b9c95267823f", kill_on_drop: false }`
[INFO] [stdout] 93a5316df5b5598704c4d997bfdd47b77634df6576edc43d0849b9c95267823f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3945302a458653d67f2c5e997257745a75cc55d244f838114fe953964a269615
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3945302a458653d67f2c5e997257745a75cc55d244f838114fe953964a269615", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "3945302a458653d67f2c5e997257745a75cc55d244f838114fe953964a269615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3945302a458653d67f2c5e997257745a75cc55d244f838114fe953964a269615", kill_on_drop: false }`
[INFO] [stdout] 3945302a458653d67f2c5e997257745a75cc55d244f838114fe953964a269615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92eaf3c9a9aaced14bf5250ddeed771132543d7f494d46d2289eaf218d24f87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e92eaf3c9a9aaced14bf5250ddeed771132543d7f494d46d2289eaf218d24f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "e92eaf3c9a9aaced14bf5250ddeed771132543d7f494d46d2289eaf218d24f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92eaf3c9a9aaced14bf5250ddeed771132543d7f494d46d2289eaf218d24f87", kill_on_drop: false }`
[INFO] [stdout] e92eaf3c9a9aaced14bf5250ddeed771132543d7f494d46d2289eaf218d24f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b594e3c7592cb06420d9b582138a73360c049c7445a2dd1c2c88273b43cef68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b594e3c7592cb06420d9b582138a73360c049c7445a2dd1c2c88273b43cef68", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz-93ddbb766067d4c4
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_buzz ... ok
[INFO] [stdout] test test::test_fizz ... 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/rustwide/target/debug/deps/fizzbuzz-15614ee515c07172
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz-f403220375befc2c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lib::test::test_not_buzz ... ok
[INFO] [stdout] test lib::test::test_not_fizz ... ok
[INFO] [stdout] test lib::test::test_buzz ... ok
[INFO] [stdout] test lib::test::test_fizz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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_five_is_buzz ... ok
[INFO] [stdout] test test_three_is_fizz ... ok
[INFO] [stdout] test test_fizzes ... ok
[INFO] [stdout] test test_two_is_two ... ok
[INFO] [stdout] test test_one_is_one ... ok
[INFO] [stdout] test test_fizzbuzzes ... 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 `Command { std: "docker" "inspect" "4b594e3c7592cb06420d9b582138a73360c049c7445a2dd1c2c88273b43cef68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b594e3c7592cb06420d9b582138a73360c049c7445a2dd1c2c88273b43cef68", kill_on_drop: false }`
[INFO] [stdout] 4b594e3c7592cb06420d9b582138a73360c049c7445a2dd1c2c88273b43cef68