[INFO] cloning repository https://github.com/udoprog/syntree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/syntree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c15be3d496351f8c0295dcd5060919672c715de5
[INFO] documenting udoprog/syntree against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udoprog/syntree on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udoprog/syntree
[INFO] finished tweaking git repo https://github.com/udoprog/syntree
[INFO] tweaked toml for git repo https://github.com/udoprog/syntree written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/udoprog/syntree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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 countme v3.0.0
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded rowan v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c8e63c650b00556d44a52c6d03f7b539bdd6c3b096d7fb819390bbfb4f9385
[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" "f0c8e63c650b00556d44a52c6d03f7b539bdd6c3b096d7fb819390bbfb4f9385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c8e63c650b00556d44a52c6d03f7b539bdd6c3b096d7fb819390bbfb4f9385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c8e63c650b00556d44a52c6d03f7b539bdd6c3b096d7fb819390bbfb4f9385", kill_on_drop: false }`
[INFO] [stdout] f0c8e63c650b00556d44a52c6d03f7b539bdd6c3b096d7fb819390bbfb4f9385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 86db0c28bf4040bb88aa8444d7d0f1f10b3cc67596ca0d3bff84b60985ea27c6
[INFO] running `Command { std: "docker" "start" "-a" "86db0c28bf4040bb88aa8444d7d0f1f10b3cc67596ca0d3bff84b60985ea27c6", kill_on_drop: false }`
[INFO] [stderr]  Documenting syntree v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "86db0c28bf4040bb88aa8444d7d0f1f10b3cc67596ca0d3bff84b60985ea27c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86db0c28bf4040bb88aa8444d7d0f1f10b3cc67596ca0d3bff84b60985ea27c6", kill_on_drop: false }`
[INFO] [stdout] 86db0c28bf4040bb88aa8444d7d0f1f10b3cc67596ca0d3bff84b60985ea27c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", 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] f517fdda947179d7b05566cc4f5e8b9e57199bc84e3e9745d4e000f18fc335c3
[INFO] running `Command { std: "docker" "start" "-a" "f517fdda947179d7b05566cc4f5e8b9e57199bc84e3e9745d4e000f18fc335c3", kill_on_drop: false }`
[INFO] [stderr]  Documenting syntree v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "f517fdda947179d7b05566cc4f5e8b9e57199bc84e3e9745d4e000f18fc335c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f517fdda947179d7b05566cc4f5e8b9e57199bc84e3e9745d4e000f18fc335c3", kill_on_drop: false }`
[INFO] [stdout] f517fdda947179d7b05566cc4f5e8b9e57199bc84e3e9745d4e000f18fc335c3