[INFO] fetching crate skribo 0.1.0...
[INFO] documenting skribo-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate skribo 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate skribo 0.1.0 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 skribo 0.1.0
[INFO] finished tweaking crates.io crate skribo 0.1.0
[INFO] tweaked toml for crates.io crate skribo 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate skribo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 1c50b6acfab2f9b0b42edae10eae3bfa10eb9de5e0a2f40735fcc54f926f8b24
[INFO] running `Command { std: "docker" "start" "-a" "1c50b6acfab2f9b0b42edae10eae3bfa10eb9de5e0a2f40735fcc54f926f8b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c50b6acfab2f9b0b42edae10eae3bfa10eb9de5e0a2f40735fcc54f926f8b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c50b6acfab2f9b0b42edae10eae3bfa10eb9de5e0a2f40735fcc54f926f8b24", kill_on_drop: false }`
[INFO] [stdout] 1c50b6acfab2f9b0b42edae10eae3bfa10eb9de5e0a2f40735fcc54f926f8b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 220ee115123ab8b752cb15eff24911f642c87b3178248576fba96b63b385e2f0
[INFO] running `Command { std: "docker" "start" "-a" "220ee115123ab8b752cb15eff24911f642c87b3178248576fba96b63b385e2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.0
[INFO] [stderr]     Checking harfbuzz v0.3.1
[INFO] [stderr]     Checking font-kit v0.6.0
[INFO] [stderr]  Documenting skribo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "220ee115123ab8b752cb15eff24911f642c87b3178248576fba96b63b385e2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220ee115123ab8b752cb15eff24911f642c87b3178248576fba96b63b385e2f0", kill_on_drop: false }`
[INFO] [stdout] 220ee115123ab8b752cb15eff24911f642c87b3178248576fba96b63b385e2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7d5d814a48c1de742fa905c6d405b6f9bedef312a4b06a805e231447b2883ed4
[INFO] running `Command { std: "docker" "start" "-a" "7d5d814a48c1de742fa905c6d405b6f9bedef312a4b06a805e231447b2883ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.0
[INFO] [stderr]     Checking font-kit v0.6.0
[INFO] [stderr]     Checking harfbuzz v0.3.1
[INFO] [stderr]  Documenting skribo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "7d5d814a48c1de742fa905c6d405b6f9bedef312a4b06a805e231447b2883ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5d814a48c1de742fa905c6d405b6f9bedef312a4b06a805e231447b2883ed4", kill_on_drop: false }`
[INFO] [stdout] 7d5d814a48c1de742fa905c6d405b6f9bedef312a4b06a805e231447b2883ed4