[INFO] cloning repository https://github.com/blt/serde_yaml-fuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/serde_yaml-fuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fserde_yaml-fuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fserde_yaml-fuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23fdce4bfdad162acae28ca9897690bfca9d43ec
[INFO] testing blt/serde_yaml-fuzz against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fserde_yaml-fuzz" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/serde_yaml-fuzz 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/blt/serde_yaml-fuzz
[INFO] finished tweaking git repo https://github.com/blt/serde_yaml-fuzz
[INFO] tweaked toml for git repo https://github.com/blt/serde_yaml-fuzz written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/serde_yaml-fuzz 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bb08be197f356de41d94237376100712871a1f2782cb5d0b50dfb0cbb27d6150
[INFO] running `Command { std: "docker" "start" "-a" "bb08be197f356de41d94237376100712871a1f2782cb5d0b50dfb0cbb27d6150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb08be197f356de41d94237376100712871a1f2782cb5d0b50dfb0cbb27d6150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb08be197f356de41d94237376100712871a1f2782cb5d0b50dfb0cbb27d6150", kill_on_drop: false }`
[INFO] [stdout] bb08be197f356de41d94237376100712871a1f2782cb5d0b50dfb0cbb27d6150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 182d11fb4964394e8bc1012f0d479518b731072fd90c29f071919190db083b94
[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" "182d11fb4964394e8bc1012f0d479518b731072fd90c29f071919190db083b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling serde_yaml_fuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.46s
[INFO] running `Command { std: "docker" "inspect" "182d11fb4964394e8bc1012f0d479518b731072fd90c29f071919190db083b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182d11fb4964394e8bc1012f0d479518b731072fd90c29f071919190db083b94", kill_on_drop: false }`
[INFO] [stdout] 182d11fb4964394e8bc1012f0d479518b731072fd90c29f071919190db083b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 60afa86c54f70cebff4a4d5351028d8112d11d1f8ce57a31568569a94422bef1
[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" "60afa86c54f70cebff4a4d5351028d8112d11d1f8ce57a31568569a94422bef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yaml_fuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "60afa86c54f70cebff4a4d5351028d8112d11d1f8ce57a31568569a94422bef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60afa86c54f70cebff4a4d5351028d8112d11d1f8ce57a31568569a94422bef1", kill_on_drop: false }`
[INFO] [stdout] 60afa86c54f70cebff4a4d5351028d8112d11d1f8ce57a31568569a94422bef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e0519000bb1c0b3ef4b2a91d563223946a1b34a6e00e31a73a5034a41cb7251a
[INFO] running `Command { std: "docker" "start" "-a" "e0519000bb1c0b3ef4b2a91d563223946a1b34a6e00e31a73a5034a41cb7251a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_yaml_fuzz-876ff0e3618de65f)
[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" "e0519000bb1c0b3ef4b2a91d563223946a1b34a6e00e31a73a5034a41cb7251a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0519000bb1c0b3ef4b2a91d563223946a1b34a6e00e31a73a5034a41cb7251a", kill_on_drop: false }`
[INFO] [stdout] e0519000bb1c0b3ef4b2a91d563223946a1b34a6e00e31a73a5034a41cb7251a