[INFO] cloning repository https://github.com/K-atc/libfuzzer-mutation-graph-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K-atc/libfuzzer-mutation-graph-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1026f01eddf6e14f1df885f8f7500e9dbbe4432b
[INFO] testing K-atc/libfuzzer-mutation-graph-tool 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%2FK-atc%2Flibfuzzer-mutation-graph-tool" "/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/K-atc/libfuzzer-mutation-graph-tool 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/K-atc/libfuzzer-mutation-graph-tool
[INFO] finished tweaking git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool
[INFO] tweaked toml for git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool 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] 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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27e8d17cf52259cc431baf80b8d5afec004d2e0e35a09d455bcdc7dd4bac196f
[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" "27e8d17cf52259cc431baf80b8d5afec004d2e0e35a09d455bcdc7dd4bac196f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e8d17cf52259cc431baf80b8d5afec004d2e0e35a09d455bcdc7dd4bac196f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e8d17cf52259cc431baf80b8d5afec004d2e0e35a09d455bcdc7dd4bac196f", kill_on_drop: false }`
[INFO] [stdout] 27e8d17cf52259cc431baf80b8d5afec004d2e0e35a09d455bcdc7dd4bac196f
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 69c44420c2f77dea2d12e11b80cdc3032f5cfd395f81bc454ee7b98f0c017917
[INFO] running `Command { std: "docker" "start" "-a" "69c44420c2f77dea2d12e11b80cdc3032f5cfd395f81bc454ee7b98f0c017917", kill_on_drop: false }`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "69c44420c2f77dea2d12e11b80cdc3032f5cfd395f81bc454ee7b98f0c017917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c44420c2f77dea2d12e11b80cdc3032f5cfd395f81bc454ee7b98f0c017917", kill_on_drop: false }`
[INFO] [stdout] 69c44420c2f77dea2d12e11b80cdc3032f5cfd395f81bc454ee7b98f0c017917
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 833348cacc92369a05db60505ebae84f2d516ec8e4111c084bbfef785f5daccc
[INFO] running `Command { std: "docker" "start" "-a" "833348cacc92369a05db60505ebae84f2d516ec8e4111c084bbfef785f5daccc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "833348cacc92369a05db60505ebae84f2d516ec8e4111c084bbfef785f5daccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833348cacc92369a05db60505ebae84f2d516ec8e4111c084bbfef785f5daccc", kill_on_drop: false }`
[INFO] [stdout] 833348cacc92369a05db60505ebae84f2d516ec8e4111c084bbfef785f5daccc
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5576c16d1745854d4c7792efe342f7d2f2e3fb6ed596662c5016103a574706e3
[INFO] running `Command { std: "docker" "start" "-a" "5576c16d1745854d4c7792efe342f7d2f2e3fb6ed596662c5016103a574706e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "5576c16d1745854d4c7792efe342f7d2f2e3fb6ed596662c5016103a574706e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5576c16d1745854d4c7792efe342f7d2f2e3fb6ed596662c5016103a574706e3", kill_on_drop: false }`
[INFO] [stdout] 5576c16d1745854d4c7792efe342f7d2f2e3fb6ed596662c5016103a574706e3