[INFO] cloning repository https://github.com/cholcombe973/memory_monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cholcombe973/memory_monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcholcombe973%2Fmemory_monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcholcombe973%2Fmemory_monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8ab76e99a4df363cbbb0e1b844420d1a1270557
[INFO] documenting cholcombe973/memory_monitor against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcholcombe973%2Fmemory_monitor" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cholcombe973/memory_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/cholcombe973/memory_monitor
[INFO] finished tweaking git repo https://github.com/cholcombe973/memory_monitor
[INFO] tweaked toml for git repo https://github.com/cholcombe973/memory_monitor written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cholcombe973/memory_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded process_utils v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 0801d2078f0d4993501ca7b35b4236b0ee9efbb7010e12dd4609de8479dd6d5f
[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" "0801d2078f0d4993501ca7b35b4236b0ee9efbb7010e12dd4609de8479dd6d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0801d2078f0d4993501ca7b35b4236b0ee9efbb7010e12dd4609de8479dd6d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0801d2078f0d4993501ca7b35b4236b0ee9efbb7010e12dd4609de8479dd6d5f", kill_on_drop: false }`
[INFO] [stdout] 0801d2078f0d4993501ca7b35b4236b0ee9efbb7010e12dd4609de8479dd6d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6d1bd24c152e3fc3524eeaf79f25862cc84c75b94978da90076eab4682b93ce3
[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" "6d1bd24c152e3fc3524eeaf79f25862cc84c75b94978da90076eab4682b93ce3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking humannum v0.1.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking simplelog v0.4.2
[INFO] [stderr]     Checking process_utils v0.1.0
[INFO] [stderr]  Documenting memory_monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "6d1bd24c152e3fc3524eeaf79f25862cc84c75b94978da90076eab4682b93ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1bd24c152e3fc3524eeaf79f25862cc84c75b94978da90076eab4682b93ce3", kill_on_drop: false }`
[INFO] [stdout] 6d1bd24c152e3fc3524eeaf79f25862cc84c75b94978da90076eab4682b93ce3