[INFO] cloning repository https://github.com/gdesjonqueres/rust-iron-gcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gdesjonqueres/rust-iron-gcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdesjonqueres%2Frust-iron-gcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdesjonqueres%2Frust-iron-gcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35f7ec15810656a648287b23004d771d86f5ee19
[INFO] documenting gdesjonqueres/rust-iron-gcd against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdesjonqueres%2Frust-iron-gcd" "/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/gdesjonqueres/rust-iron-gcd on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gdesjonqueres/rust-iron-gcd
[INFO] finished tweaking git repo https://github.com/gdesjonqueres/rust-iron-gcd
[INFO] tweaked toml for git repo https://github.com/gdesjonqueres/rust-iron-gcd written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gdesjonqueres/rust-iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c0ca6a93f563f76ed83f65517d15c107a401d62056df980fa1fcf26567a90f
[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" "b4c0ca6a93f563f76ed83f65517d15c107a401d62056df980fa1fcf26567a90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c0ca6a93f563f76ed83f65517d15c107a401d62056df980fa1fcf26567a90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c0ca6a93f563f76ed83f65517d15c107a401d62056df980fa1fcf26567a90f", kill_on_drop: false }`
[INFO] [stdout] b4c0ca6a93f563f76ed83f65517d15c107a401d62056df980fa1fcf26567a90f
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6ec0ac7155120e272d4093683d5ecf6ce4da47eed3111ab1df3ffb7185b635
[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" "fa6ec0ac7155120e272d4093683d5ecf6ce4da47eed3111ab1df3ffb7185b635", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]  Documenting iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "fa6ec0ac7155120e272d4093683d5ecf6ce4da47eed3111ab1df3ffb7185b635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6ec0ac7155120e272d4093683d5ecf6ce4da47eed3111ab1df3ffb7185b635", kill_on_drop: false }`
[INFO] [stdout] fa6ec0ac7155120e272d4093683d5ecf6ce4da47eed3111ab1df3ffb7185b635