[INFO] cloning repository https://github.com/othelarian/PoC_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/othelarian/PoC_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2FPoC_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2FPoC_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53393b35af4266f8501a45a797bcf2c391f54ad
[INFO] checking othelarian/PoC_tree against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2FPoC_tree" "/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/othelarian/PoC_tree on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/othelarian/PoC_tree
[INFO] finished tweaking git repo https://github.com/othelarian/PoC_tree
[INFO] tweaked toml for git repo https://github.com/othelarian/PoC_tree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/othelarian/PoC_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 94aba3c3d093d9f5d4d40756a3ee564b8c4b9e12ce76382a187307e73d62b313
[INFO] running `Command { std: "docker" "start" "-a" "94aba3c3d093d9f5d4d40756a3ee564b8c4b9e12ce76382a187307e73d62b313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94aba3c3d093d9f5d4d40756a3ee564b8c4b9e12ce76382a187307e73d62b313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94aba3c3d093d9f5d4d40756a3ee564b8c4b9e12ce76382a187307e73d62b313", kill_on_drop: false }`
[INFO] [stdout] 94aba3c3d093d9f5d4d40756a3ee564b8c4b9e12ce76382a187307e73d62b313
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d270bf0917c4c74dbd810cce26482e4ebcac7e21b77a3ba90103a4ecb8b18f
[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" "96d270bf0917c4c74dbd810cce26482e4ebcac7e21b77a3ba90103a4ecb8b18f", kill_on_drop: false }`
[INFO] [stderr]     Checking poc_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "96d270bf0917c4c74dbd810cce26482e4ebcac7e21b77a3ba90103a4ecb8b18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d270bf0917c4c74dbd810cce26482e4ebcac7e21b77a3ba90103a4ecb8b18f", kill_on_drop: false }`
[INFO] [stdout] 96d270bf0917c4c74dbd810cce26482e4ebcac7e21b77a3ba90103a4ecb8b18f