[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatmough%2Ffuzz_survey" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watmough/fuzz_survey on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/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-2022-04-10" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f522ffa3b36a62011c43d96bb856874996c841d6a02040329230a142ed26fdba
[INFO] running `Command { std: "docker" "start" "-a" "f522ffa3b36a62011c43d96bb856874996c841d6a02040329230a142ed26fdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f522ffa3b36a62011c43d96bb856874996c841d6a02040329230a142ed26fdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f522ffa3b36a62011c43d96bb856874996c841d6a02040329230a142ed26fdba", kill_on_drop: false }`
[INFO] [stdout] f522ffa3b36a62011c43d96bb856874996c841d6a02040329230a142ed26fdba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0b75187f3e42492526e0a01c10286de34ef3522527bebdb2091353368f5c8a
[INFO] running `Command { std: "docker" "start" "-a" "eb0b75187f3e42492526e0a01c10286de34ef3522527bebdb2091353368f5c8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.97s
[INFO] running `Command { std: "docker" "inspect" "eb0b75187f3e42492526e0a01c10286de34ef3522527bebdb2091353368f5c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0b75187f3e42492526e0a01c10286de34ef3522527bebdb2091353368f5c8a", kill_on_drop: false }`
[INFO] [stdout] eb0b75187f3e42492526e0a01c10286de34ef3522527bebdb2091353368f5c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3109fb0469479388b9599e068e9a5d8868d00903bc2171264a26da4a5714d8cf
[INFO] running `Command { std: "docker" "start" "-a" "3109fb0469479388b9599e068e9a5d8868d00903bc2171264a26da4a5714d8cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzz_survey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fuzz_survey-8906bf6054f8f602)
[INFO] running `Command { std: "docker" "inspect" "3109fb0469479388b9599e068e9a5d8868d00903bc2171264a26da4a5714d8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3109fb0469479388b9599e068e9a5d8868d00903bc2171264a26da4a5714d8cf", kill_on_drop: false }`
[INFO] [stdout] 3109fb0469479388b9599e068e9a5d8868d00903bc2171264a26da4a5714d8cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efa337e25e00ce302af307e4bece33a9a8c607059546fbdad034cb2559cbe852
[INFO] running `Command { std: "docker" "start" "-a" "efa337e25e00ce302af307e4bece33a9a8c607059546fbdad034cb2559cbe852", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/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" "efa337e25e00ce302af307e4bece33a9a8c607059546fbdad034cb2559cbe852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa337e25e00ce302af307e4bece33a9a8c607059546fbdad034cb2559cbe852", kill_on_drop: false }`
[INFO] [stdout] efa337e25e00ce302af307e4bece33a9a8c607059546fbdad034cb2559cbe852