[INFO] fetching crate namedlock 0.7.0...
[INFO] documenting namedlock-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate namedlock 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate namedlock 0.7.0 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] started tweaking crates.io crate namedlock 0.7.0
[INFO] finished tweaking crates.io crate namedlock 0.7.0
[INFO] tweaked toml for crates.io crate namedlock 0.7.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45c51a0dd7366edf9ff8506bdb85794acbc7ecd329d99096ad3272179da76263
[INFO] running `Command { std: "docker" "start" "-a" "45c51a0dd7366edf9ff8506bdb85794acbc7ecd329d99096ad3272179da76263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c51a0dd7366edf9ff8506bdb85794acbc7ecd329d99096ad3272179da76263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c51a0dd7366edf9ff8506bdb85794acbc7ecd329d99096ad3272179da76263", kill_on_drop: false }`
[INFO] [stdout] 45c51a0dd7366edf9ff8506bdb85794acbc7ecd329d99096ad3272179da76263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd4dac154c4be92bfcac9e215f236d53ec76ff752fb62728775c5fdbc10e273c
[INFO] running `Command { std: "docker" "start" "-a" "bd4dac154c4be92bfcac9e215f236d53ec76ff752fb62728775c5fdbc10e273c", kill_on_drop: false }`
[INFO] [stderr]  Documenting namedlock v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "bd4dac154c4be92bfcac9e215f236d53ec76ff752fb62728775c5fdbc10e273c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4dac154c4be92bfcac9e215f236d53ec76ff752fb62728775c5fdbc10e273c", kill_on_drop: false }`
[INFO] [stdout] bd4dac154c4be92bfcac9e215f236d53ec76ff752fb62728775c5fdbc10e273c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 370d2db6100e1bbdccafb2b7cf1b159ff3d18ea452b7c523d366a94d16eb787b
[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" "370d2db6100e1bbdccafb2b7cf1b159ff3d18ea452b7c523d366a94d16eb787b", kill_on_drop: false }`
[INFO] [stderr]  Documenting namedlock v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "370d2db6100e1bbdccafb2b7cf1b159ff3d18ea452b7c523d366a94d16eb787b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370d2db6100e1bbdccafb2b7cf1b159ff3d18ea452b7c523d366a94d16eb787b", kill_on_drop: false }`
[INFO] [stdout] 370d2db6100e1bbdccafb2b7cf1b159ff3d18ea452b7c523d366a94d16eb787b