[INFO] cloning repository https://github.com/sf44tdw/fizzbuzz_calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sf44tdw/fizzbuzz_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsf44tdw%2Ffizzbuzz_calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsf44tdw%2Ffizzbuzz_calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3981eaa10cc82cd81b357d319029b8bfc4be3df4
[INFO] testing sf44tdw/fizzbuzz_calc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsf44tdw%2Ffizzbuzz_calc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sf44tdw/fizzbuzz_calc on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sf44tdw/fizzbuzz_calc
[INFO] finished tweaking git repo https://github.com/sf44tdw/fizzbuzz_calc
[INFO] tweaked toml for git repo https://github.com/sf44tdw/fizzbuzz_calc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sf44tdw/fizzbuzz_calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bb255c4e7438c699716c1760e246a70669533b4bb2928cbe402ee36bb659be8
[INFO] running `Command { std: "docker" "start" "-a" "3bb255c4e7438c699716c1760e246a70669533b4bb2928cbe402ee36bb659be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bb255c4e7438c699716c1760e246a70669533b4bb2928cbe402ee36bb659be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb255c4e7438c699716c1760e246a70669533b4bb2928cbe402ee36bb659be8", kill_on_drop: false }`
[INFO] [stdout] 3bb255c4e7438c699716c1760e246a70669533b4bb2928cbe402ee36bb659be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4b1ae5837b5d4b7275a5d1fe2069a049ad2b51366839353e45b1905531f92ea
[INFO] running `Command { std: "docker" "start" "-a" "c4b1ae5837b5d4b7275a5d1fe2069a049ad2b51366839353e45b1905531f92ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling fizzbuzz_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "c4b1ae5837b5d4b7275a5d1fe2069a049ad2b51366839353e45b1905531f92ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b1ae5837b5d4b7275a5d1fe2069a049ad2b51366839353e45b1905531f92ea", kill_on_drop: false }`
[INFO] [stdout] c4b1ae5837b5d4b7275a5d1fe2069a049ad2b51366839353e45b1905531f92ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85209adebdc2a4d40ee2571d58a32da223d74dd199d7752eedcccb6ab0aad613
[INFO] running `Command { std: "docker" "start" "-a" "85209adebdc2a4d40ee2571d58a32da223d74dd199d7752eedcccb6ab0aad613", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "85209adebdc2a4d40ee2571d58a32da223d74dd199d7752eedcccb6ab0aad613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85209adebdc2a4d40ee2571d58a32da223d74dd199d7752eedcccb6ab0aad613", kill_on_drop: false }`
[INFO] [stdout] 85209adebdc2a4d40ee2571d58a32da223d74dd199d7752eedcccb6ab0aad613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d75e084e5475edd992f50a42b774392f7e0fbee63b67829d73434176cefdaa6
[INFO] running `Command { std: "docker" "start" "-a" "3d75e084e5475edd992f50a42b774392f7e0fbee63b67829d73434176cefdaa6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizzbuzz_calc-705f6c732ad90130)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::panic_dividend_is_zero - should panic ... ok
[INFO] [stdout] test tests::panic_division_by_zero - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizzbuzz_calc-ec71830b395999c9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib::tests::panic_dividend_is_zero - should panic ... ok
[INFO] [stdout] test lib::tests::panic_division_by_zero - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fizzbuzz_test.rs (/opt/rustwide/target/debug/deps/fizzbuzz_test-7162b932c381bd03)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test buzz_works_15 ... ok
[INFO] [stdout] test fizz_works_3 ... ok
[INFO] [stderr]    Doc-tests fizzbuzz_calc
[INFO] [stdout] test buzz_works_5 ... ok
[INFO] [stdout] test fizz_works_15 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d75e084e5475edd992f50a42b774392f7e0fbee63b67829d73434176cefdaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d75e084e5475edd992f50a42b774392f7e0fbee63b67829d73434176cefdaa6", kill_on_drop: false }`
[INFO] [stdout] 3d75e084e5475edd992f50a42b774392f7e0fbee63b67829d73434176cefdaa6