[INFO] fetching crate cuach 0.4.2...
[INFO] documenting cuach-0.4.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cuach 0.4.2 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate cuach 0.4.2 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 cuach 0.4.2
[INFO] finished tweaking crates.io crate cuach 0.4.2
[INFO] tweaked toml for crates.io crate cuach 0.4.2 written to /workspace/builds/worker-89/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 3cec04bd13c289075da6ba18fd63a861df92e20598fa074d2f5e66f8960c8a29
[INFO] running `Command { std: "docker" "start" "-a" "3cec04bd13c289075da6ba18fd63a861df92e20598fa074d2f5e66f8960c8a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cec04bd13c289075da6ba18fd63a861df92e20598fa074d2f5e66f8960c8a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cec04bd13c289075da6ba18fd63a861df92e20598fa074d2f5e66f8960c8a29", kill_on_drop: false }`
[INFO] [stdout] 3cec04bd13c289075da6ba18fd63a861df92e20598fa074d2f5e66f8960c8a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] ae357d077cb7bb041518ca1507cc0b6902b6eabf44626b69e9a84d2e35cbbd57
[INFO] running `Command { std: "docker" "start" "-a" "ae357d077cb7bb041518ca1507cc0b6902b6eabf44626b69e9a84d2e35cbbd57", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking buf-min v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling v_escape_derive v0.8.5
[INFO] [stderr]    Compiling cuach-derive v0.2.5
[INFO] [stderr]  Documenting cuach v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "ae357d077cb7bb041518ca1507cc0b6902b6eabf44626b69e9a84d2e35cbbd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae357d077cb7bb041518ca1507cc0b6902b6eabf44626b69e9a84d2e35cbbd57", kill_on_drop: false }`
[INFO] [stdout] ae357d077cb7bb041518ca1507cc0b6902b6eabf44626b69e9a84d2e35cbbd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7c879a56fa3255481f9879325339a35f37b40fc7bcf55fa923b89558ec283506
[INFO] running `Command { std: "docker" "start" "-a" "7c879a56fa3255481f9879325339a35f37b40fc7bcf55fa923b89558ec283506", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking buf-min v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling v_escape_derive v0.8.5
[INFO] [stderr]    Compiling cuach-derive v0.2.5
[INFO] [stderr]  Documenting cuach v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "7c879a56fa3255481f9879325339a35f37b40fc7bcf55fa923b89558ec283506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c879a56fa3255481f9879325339a35f37b40fc7bcf55fa923b89558ec283506", kill_on_drop: false }`
[INFO] [stdout] 7c879a56fa3255481f9879325339a35f37b40fc7bcf55fa923b89558ec283506