[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 beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsf44tdw%2Ffizzbuzz_calc" "/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/sf44tdw/fizzbuzz_calc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 84f306077fa30f703ce256195e4c2d077edff93c05c74ad02a211b439b938903
[INFO] running `Command { std: "docker" "start" "-a" "84f306077fa30f703ce256195e4c2d077edff93c05c74ad02a211b439b938903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f306077fa30f703ce256195e4c2d077edff93c05c74ad02a211b439b938903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f306077fa30f703ce256195e4c2d077edff93c05c74ad02a211b439b938903", kill_on_drop: false }`
[INFO] [stdout] 84f306077fa30f703ce256195e4c2d077edff93c05c74ad02a211b439b938903
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba46e31da3c83e57e77d06bdf4e42a3b407b1bd29dea24e2e5722c8890ac7ee1
[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" "ba46e31da3c83e57e77d06bdf4e42a3b407b1bd29dea24e2e5722c8890ac7ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[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 16.08s
[INFO] running `Command { std: "docker" "inspect" "ba46e31da3c83e57e77d06bdf4e42a3b407b1bd29dea24e2e5722c8890ac7ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba46e31da3c83e57e77d06bdf4e42a3b407b1bd29dea24e2e5722c8890ac7ee1", kill_on_drop: false }`
[INFO] [stdout] ba46e31da3c83e57e77d06bdf4e42a3b407b1bd29dea24e2e5722c8890ac7ee1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ea964de898f5d5a09b2bb68ca464db41b05d0fb0d9417232a67dd266b546bf
[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" "d7ea964de898f5d5a09b2bb68ca464db41b05d0fb0d9417232a67dd266b546bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d7ea964de898f5d5a09b2bb68ca464db41b05d0fb0d9417232a67dd266b546bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ea964de898f5d5a09b2bb68ca464db41b05d0fb0d9417232a67dd266b546bf", kill_on_drop: false }`
[INFO] [stdout] d7ea964de898f5d5a09b2bb68ca464db41b05d0fb0d9417232a67dd266b546bf
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d77ac742f1fb1e0dbebefc161b00e8a13727d56b0c05dad61c6043a3bc2a7bb5
[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" "d77ac742f1fb1e0dbebefc161b00e8a13727d56b0c05dad61c6043a3bc2a7bb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz_calc-55b4a3932c1be769
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::panic_division_by_zero ... ok
[INFO] [stdout] test tests::panic_dividend_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz_calc-eb136beb116d546e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib::tests::panic_dividend_is_zero ... ok
[INFO] [stdout] test lib::tests::panic_division_by_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz_test-446c2b878b4f7b76
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fizzbuzz_calc
[INFO] [stdout] running 4 tests
[INFO] [stdout] test buzz_works_15 ... ok
[INFO] [stdout] test fizz_works_3 ... ok
[INFO] [stdout] test fizz_works_15 ... ok
[INFO] [stdout] test buzz_works_5 ... 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 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" "d77ac742f1fb1e0dbebefc161b00e8a13727d56b0c05dad61c6043a3bc2a7bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77ac742f1fb1e0dbebefc161b00e8a13727d56b0c05dad61c6043a3bc2a7bb5", kill_on_drop: false }`
[INFO] [stdout] d77ac742f1fb1e0dbebefc161b00e8a13727d56b0c05dad61c6043a3bc2a7bb5