[INFO] cloning repository https://github.com/not-for-me/hang-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-for-me/hang-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59403b89f347288a9cd44ffdc4241260bafacd2
[INFO] documenting not-for-me/hang-monitor against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/not-for-me/hang-monitor on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] finished tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] tweaked toml for git repo https://github.com/not-for-me/hang-monitor written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/not-for-me/hang-monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 79d8b06f4d168d0b0a1995ad37fb86a890009895356d39cf53cfd505d384e7e1
[INFO] running `Command { std: "docker" "start" "-a" "79d8b06f4d168d0b0a1995ad37fb86a890009895356d39cf53cfd505d384e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d8b06f4d168d0b0a1995ad37fb86a890009895356d39cf53cfd505d384e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d8b06f4d168d0b0a1995ad37fb86a890009895356d39cf53cfd505d384e7e1", kill_on_drop: false }`
[INFO] [stdout] 79d8b06f4d168d0b0a1995ad37fb86a890009895356d39cf53cfd505d384e7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c877f86d6185ceb35267551e97ec73843f366adb255f8367096c7e1dc61cca19
[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" "c877f86d6185ceb35267551e97ec73843f366adb255f8367096c7e1dc61cca19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting hang-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "c877f86d6185ceb35267551e97ec73843f366adb255f8367096c7e1dc61cca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c877f86d6185ceb35267551e97ec73843f366adb255f8367096c7e1dc61cca19", kill_on_drop: false }`
[INFO] [stdout] c877f86d6185ceb35267551e97ec73843f366adb255f8367096c7e1dc61cca19