[INFO] cloning repository https://github.com/kaz/ruki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaz/ruki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz%2Fruki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz%2Fruki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00a9cffd2b885a068e823a7d6eaae3ff362e3dae
[INFO] documenting kaz/ruki against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaz%2Fruki" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaz/ruki on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaz/ruki
[INFO] finished tweaking git repo https://github.com/kaz/ruki
[INFO] tweaked toml for git repo https://github.com/kaz/ruki written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaz/ruki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39291128ae4597d81335e0f08f1915691ca6e931f2c049dd7997b700d3e46025
[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" "39291128ae4597d81335e0f08f1915691ca6e931f2c049dd7997b700d3e46025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39291128ae4597d81335e0f08f1915691ca6e931f2c049dd7997b700d3e46025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39291128ae4597d81335e0f08f1915691ca6e931f2c049dd7997b700d3e46025", kill_on_drop: false }`
[INFO] [stdout] 39291128ae4597d81335e0f08f1915691ca6e931f2c049dd7997b700d3e46025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f388313e7cff5476b823a89b3554344b6969eade2d4520e861fddaf4b3a83d
[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" "26f388313e7cff5476b823a89b3554344b6969eade2d4520e861fddaf4b3a83d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.7
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ignore v0.4.15
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tera v1.3.0
[INFO] [stderr]  Documenting ruki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "26f388313e7cff5476b823a89b3554344b6969eade2d4520e861fddaf4b3a83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f388313e7cff5476b823a89b3554344b6969eade2d4520e861fddaf4b3a83d", kill_on_drop: false }`
[INFO] [stdout] 26f388313e7cff5476b823a89b3554344b6969eade2d4520e861fddaf4b3a83d