[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d479b5b1227390d70a52bbac46b17ce12efd13879748ecf81fc651e9908115
[INFO] running `Command { std: "docker" "start" "-a" "71d479b5b1227390d70a52bbac46b17ce12efd13879748ecf81fc651e9908115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d479b5b1227390d70a52bbac46b17ce12efd13879748ecf81fc651e9908115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d479b5b1227390d70a52bbac46b17ce12efd13879748ecf81fc651e9908115", kill_on_drop: false }`
[INFO] [stdout] 71d479b5b1227390d70a52bbac46b17ce12efd13879748ecf81fc651e9908115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92abdc90efa449387972b48a10cf2daf666058c9a07a8376e27dea31a0bc32a0
[INFO] running `Command { std: "docker" "start" "-a" "92abdc90efa449387972b48a10cf2daf666058c9a07a8376e27dea31a0bc32a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "92abdc90efa449387972b48a10cf2daf666058c9a07a8376e27dea31a0bc32a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92abdc90efa449387972b48a10cf2daf666058c9a07a8376e27dea31a0bc32a0", kill_on_drop: false }`
[INFO] [stdout] 92abdc90efa449387972b48a10cf2daf666058c9a07a8376e27dea31a0bc32a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02de1d1697f4514b87ef92abb96444cd87c3151c92765a6a677021556b9de07
[INFO] running `Command { std: "docker" "start" "-a" "c02de1d1697f4514b87ef92abb96444cd87c3151c92765a6a677021556b9de07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "c02de1d1697f4514b87ef92abb96444cd87c3151c92765a6a677021556b9de07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02de1d1697f4514b87ef92abb96444cd87c3151c92765a6a677021556b9de07", kill_on_drop: false }`
[INFO] [stdout] c02de1d1697f4514b87ef92abb96444cd87c3151c92765a6a677021556b9de07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc990057576b51548a5e459cb7b06dcca0f31b8bd6fea51e27c0b1635cf7c1bd
[INFO] running `Command { std: "docker" "start" "-a" "bc990057576b51548a5e459cb7b06dcca0f31b8bd6fea51e27c0b1635cf7c1bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "bc990057576b51548a5e459cb7b06dcca0f31b8bd6fea51e27c0b1635cf7c1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc990057576b51548a5e459cb7b06dcca0f31b8bd6fea51e27c0b1635cf7c1bd", kill_on_drop: false }`
[INFO] [stdout] bc990057576b51548a5e459cb7b06dcca0f31b8bd6fea51e27c0b1635cf7c1bd