[INFO] cloning repository https://github.com/DenysPolitiuk/watchdogrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenysPolitiuk/watchdogrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenysPolitiuk%2Fwatchdogrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenysPolitiuk%2Fwatchdogrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c91da27677b419fd01a15df1784bc3bd4c2a628
[INFO] documenting DenysPolitiuk/watchdogrs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenysPolitiuk%2Fwatchdogrs" "/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/DenysPolitiuk/watchdogrs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DenysPolitiuk/watchdogrs
[INFO] finished tweaking git repo https://github.com/DenysPolitiuk/watchdogrs
[INFO] tweaked toml for git repo https://github.com/DenysPolitiuk/watchdogrs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DenysPolitiuk/watchdogrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v0.4.6
[INFO] [stderr]   Downloaded heim-process v0.1.1-beta.3
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded fastrand v1.3.2
[INFO] [stderr]   Downloaded heim v0.1.0-beta.3
[INFO] [stderr]   Downloaded uom v0.28.0
[INFO] [stderr]   Downloaded heim-host v0.1.0-beta.1
[INFO] [stderr]   Downloaded heim-common v0.1.0-beta.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.1
[INFO] [stderr]   Downloaded heim-cpu v0.1.0-beta.3
[INFO] [stderr]   Downloaded heim-net v0.1.0-beta.2
[INFO] [stderr]   Downloaded heim-runtime v0.1.0-beta.1
[INFO] [stderr]   Downloaded core-foundation v0.7.1
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] [stderr]   Downloaded version-sync v0.9.0
[INFO] [stderr]   Downloaded parking v1.0.3
[INFO] [stderr]   Downloaded cache-padded v1.1.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] ae14c1269fee1aa1f20899507b74553ee192a94a58afb6810fc73b7dc0be8f33
[INFO] running `Command { std: "docker" "start" "-a" "ae14c1269fee1aa1f20899507b74553ee192a94a58afb6810fc73b7dc0be8f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae14c1269fee1aa1f20899507b74553ee192a94a58afb6810fc73b7dc0be8f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae14c1269fee1aa1f20899507b74553ee192a94a58afb6810fc73b7dc0be8f33", kill_on_drop: false }`
[INFO] [stdout] ae14c1269fee1aa1f20899507b74553ee192a94a58afb6810fc73b7dc0be8f33
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 68d095a6f9656a96807540a261b5690f5c889a0ab829de81be6a6a21fe76b3c7
[INFO] running `Command { std: "docker" "start" "-a" "68d095a6f9656a96807540a261b5690f5c889a0ab829de81be6a6a21fe76b3c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cache-padded v1.1.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v1.0.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking fastrand v1.3.2
[INFO] [stderr]    Compiling heim-common v0.1.0-beta.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling heim-host v0.1.0-beta.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking uom v0.28.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking heim-runtime v0.1.0-beta.1
[INFO] [stderr]     Checking heim-cpu v0.1.0-beta.3
[INFO] [stderr]     Checking heim-net v0.1.0-beta.2
[INFO] [stderr]     Checking heim-process v0.1.1-beta.3
[INFO] [stderr]     Checking heim v0.1.0-beta.3
[INFO] [stderr]  Documenting watchdogrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "68d095a6f9656a96807540a261b5690f5c889a0ab829de81be6a6a21fe76b3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d095a6f9656a96807540a261b5690f5c889a0ab829de81be6a6a21fe76b3c7", kill_on_drop: false }`
[INFO] [stdout] 68d095a6f9656a96807540a261b5690f5c889a0ab829de81be6a6a21fe76b3c7