[INFO] cloning repository https://github.com/frostblooded/sliding_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frostblooded/sliding_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrostblooded%2Fsliding_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrostblooded%2Fsliding_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8104677af6169d93ccbbba1835198402eee69d07
[INFO] documenting frostblooded/sliding_puzzle 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%2Ffrostblooded%2Fsliding_puzzle" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frostblooded/sliding_puzzle 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/frostblooded/sliding_puzzle
[INFO] finished tweaking git repo https://github.com/frostblooded/sliding_puzzle
[INFO] tweaked toml for git repo https://github.com/frostblooded/sliding_puzzle written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/frostblooded/sliding_puzzle 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87ae7fe0fad0aabc4b44342456559341f4635963e24994dda94409a71e82f7ed
[INFO] running `Command { std: "docker" "start" "-a" "87ae7fe0fad0aabc4b44342456559341f4635963e24994dda94409a71e82f7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87ae7fe0fad0aabc4b44342456559341f4635963e24994dda94409a71e82f7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ae7fe0fad0aabc4b44342456559341f4635963e24994dda94409a71e82f7ed", kill_on_drop: false }`
[INFO] [stdout] 87ae7fe0fad0aabc4b44342456559341f4635963e24994dda94409a71e82f7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 92bf632f80e76ed5dbbf3cfd9cb788d3e4c65eeab2e5bebcaeb3027c3626cb5d
[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" "92bf632f80e76ed5dbbf3cfd9cb788d3e4c65eeab2e5bebcaeb3027c3626cb5d", kill_on_drop: false }`
[INFO] [stderr]     Checking sliding_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sliding_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "92bf632f80e76ed5dbbf3cfd9cb788d3e4c65eeab2e5bebcaeb3027c3626cb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bf632f80e76ed5dbbf3cfd9cb788d3e4c65eeab2e5bebcaeb3027c3626cb5d", kill_on_drop: false }`
[INFO] [stdout] 92bf632f80e76ed5dbbf3cfd9cb788d3e4c65eeab2e5bebcaeb3027c3626cb5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--frozen" "--message-format=json" "--" "-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] caad2eb72c48d42b4e531f7bfc800f0cd28ebbd7942c94e2fd52a9d14f0c75d7
[INFO] running `Command { std: "docker" "start" "-a" "caad2eb72c48d42b4e531f7bfc800f0cd28ebbd7942c94e2fd52a9d14f0c75d7", kill_on_drop: false }`
[INFO] [stderr]  Documenting sliding_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "caad2eb72c48d42b4e531f7bfc800f0cd28ebbd7942c94e2fd52a9d14f0c75d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caad2eb72c48d42b4e531f7bfc800f0cd28ebbd7942c94e2fd52a9d14f0c75d7", kill_on_drop: false }`
[INFO] [stdout] caad2eb72c48d42b4e531f7bfc800f0cd28ebbd7942c94e2fd52a9d14f0c75d7