[INFO] cloning repository https://github.com/shmutalov/growingtree-maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shmutalov/growingtree-maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d79d954b1aaf81899d599e1452d4428547cc0a
[INFO] checking shmutalov/growingtree-maze against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmutalov/growingtree-maze on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shmutalov/growingtree-maze
[INFO] finished tweaking git repo https://github.com/shmutalov/growingtree-maze
[INFO] tweaked toml for git repo https://github.com/shmutalov/growingtree-maze written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/shmutalov/growingtree-maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 82e5c20d6790456d7c2969dd988c3f19c9dbe763e5004d305b9cc69170d0c724
[INFO] running `Command { std: "docker" "start" "-a" "82e5c20d6790456d7c2969dd988c3f19c9dbe763e5004d305b9cc69170d0c724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82e5c20d6790456d7c2969dd988c3f19c9dbe763e5004d305b9cc69170d0c724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e5c20d6790456d7c2969dd988c3f19c9dbe763e5004d305b9cc69170d0c724", kill_on_drop: false }`
[INFO] [stdout] 82e5c20d6790456d7c2969dd988c3f19c9dbe763e5004d305b9cc69170d0c724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] e60fdbd6e6e264aa8efb3fd8a6813e6582be8e1e9bd746a26b3534df54ebf2a5
[INFO] running `Command { std: "docker" "start" "-a" "e60fdbd6e6e264aa8efb3fd8a6813e6582be8e1e9bd746a26b3534df54ebf2a5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking growingtree-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "e60fdbd6e6e264aa8efb3fd8a6813e6582be8e1e9bd746a26b3534df54ebf2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60fdbd6e6e264aa8efb3fd8a6813e6582be8e1e9bd746a26b3534df54ebf2a5", kill_on_drop: false }`
[INFO] [stdout] e60fdbd6e6e264aa8efb3fd8a6813e6582be8e1e9bd746a26b3534df54ebf2a5