[INFO] cloning repository https://github.com/watmough/fuzz_survey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/watmough/fuzz_survey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatmough%2Ffuzz_survey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatmough%2Ffuzz_survey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b1d11c42b2baef047108063328acf05cf2d56e2
[INFO] testing watmough/fuzz_survey against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatmough%2Ffuzz_survey" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watmough/fuzz_survey on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/watmough/fuzz_survey
[INFO] finished tweaking git repo https://github.com/watmough/fuzz_survey
[INFO] tweaked toml for git repo https://github.com/watmough/fuzz_survey written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/watmough/fuzz_survey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded itertools v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e859cf3cae7366f81a2e6d9dab926c18c71fc78681b97b8d2903e549be1715
[INFO] running `Command { std: "docker" "start" "-a" "34e859cf3cae7366f81a2e6d9dab926c18c71fc78681b97b8d2903e549be1715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e859cf3cae7366f81a2e6d9dab926c18c71fc78681b97b8d2903e549be1715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e859cf3cae7366f81a2e6d9dab926c18c71fc78681b97b8d2903e549be1715", kill_on_drop: false }`
[INFO] [stdout] 34e859cf3cae7366f81a2e6d9dab926c18c71fc78681b97b8d2903e549be1715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c60194b1fe8bafc6f8c159035a6d6ce9513165d3f9bfcf7e7338e5c2811e69
[INFO] running `Command { std: "docker" "start" "-a" "59c60194b1fe8bafc6f8c159035a6d6ce9513165d3f9bfcf7e7338e5c2811e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling itertools v0.5.7
[INFO] [stderr]    Compiling fuzz_survey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "59c60194b1fe8bafc6f8c159035a6d6ce9513165d3f9bfcf7e7338e5c2811e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c60194b1fe8bafc6f8c159035a6d6ce9513165d3f9bfcf7e7338e5c2811e69", kill_on_drop: false }`
[INFO] [stdout] 59c60194b1fe8bafc6f8c159035a6d6ce9513165d3f9bfcf7e7338e5c2811e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64abd2a3ad8b8942196c06a010e6117445be6e95d5def372f397b30a6b45aaf5
[INFO] running `Command { std: "docker" "start" "-a" "64abd2a3ad8b8942196c06a010e6117445be6e95d5def372f397b30a6b45aaf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzz_survey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "64abd2a3ad8b8942196c06a010e6117445be6e95d5def372f397b30a6b45aaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64abd2a3ad8b8942196c06a010e6117445be6e95d5def372f397b30a6b45aaf5", kill_on_drop: false }`
[INFO] [stdout] 64abd2a3ad8b8942196c06a010e6117445be6e95d5def372f397b30a6b45aaf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56dd900e00b7ebabbd5879f311823229e17b8f229a00d9bb087b834f02e6d342
[INFO] running `Command { std: "docker" "start" "-a" "56dd900e00b7ebabbd5879f311823229e17b8f229a00d9bb087b834f02e6d342", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzz_survey-8906bf6054f8f602)
[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" "56dd900e00b7ebabbd5879f311823229e17b8f229a00d9bb087b834f02e6d342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dd900e00b7ebabbd5879f311823229e17b8f229a00d9bb087b834f02e6d342", kill_on_drop: false }`
[INFO] [stdout] 56dd900e00b7ebabbd5879f311823229e17b8f229a00d9bb087b834f02e6d342