[INFO] fetching crate naive_opt 0.1.17...
[INFO] documenting naive_opt-0.1.17 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate naive_opt 0.1.17 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate naive_opt 0.1.17 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate naive_opt 0.1.17
[INFO] finished tweaking crates.io crate naive_opt 0.1.17
[INFO] tweaked toml for crates.io crate naive_opt 0.1.17 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1280f6729312f6679ba86c49d33e225a7a039553c2b90e1b4a3552c21d15b63c
[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" "1280f6729312f6679ba86c49d33e225a7a039553c2b90e1b4a3552c21d15b63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1280f6729312f6679ba86c49d33e225a7a039553c2b90e1b4a3552c21d15b63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1280f6729312f6679ba86c49d33e225a7a039553c2b90e1b4a3552c21d15b63c", kill_on_drop: false }`
[INFO] [stdout] 1280f6729312f6679ba86c49d33e225a7a039553c2b90e1b4a3552c21d15b63c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f715272ab5e361d6ba7beaf37782618ccd0144bb5b2c6dcb68659ff37f58d777
[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" "f715272ab5e361d6ba7beaf37782618ccd0144bb5b2c6dcb68659ff37f58d777", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.20
[INFO] [stderr]  Documenting naive_opt v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "f715272ab5e361d6ba7beaf37782618ccd0144bb5b2c6dcb68659ff37f58d777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f715272ab5e361d6ba7beaf37782618ccd0144bb5b2c6dcb68659ff37f58d777", kill_on_drop: false }`
[INFO] [stdout] f715272ab5e361d6ba7beaf37782618ccd0144bb5b2c6dcb68659ff37f58d777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "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] 89837722431d0ec1c04797aa386b405860d7b33722c4376476d312d9145316b5
[INFO] running `Command { std: "docker" "start" "-a" "89837722431d0ec1c04797aa386b405860d7b33722c4376476d312d9145316b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.20
[INFO] [stderr]  Documenting naive_opt v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "89837722431d0ec1c04797aa386b405860d7b33722c4376476d312d9145316b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89837722431d0ec1c04797aa386b405860d7b33722c4376476d312d9145316b5", kill_on_drop: false }`
[INFO] [stdout] 89837722431d0ec1c04797aa386b405860d7b33722c4376476d312d9145316b5