[INFO] fetching crate barc 2.2.2...
[INFO] documenting barc-2.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate barc 2.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate barc 2.2.2 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 barc 2.2.2
[INFO] finished tweaking crates.io crate barc 2.2.2
[INFO] tweaked toml for crates.io crate barc 2.2.2 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ccde9a9e2f4e3f6d6a90cb71e74a1596bf6f37799846bc39a71e77bcb69a3c91
[INFO] running `Command { std: "docker" "start" "-a" "ccde9a9e2f4e3f6d6a90cb71e74a1596bf6f37799846bc39a71e77bcb69a3c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccde9a9e2f4e3f6d6a90cb71e74a1596bf6f37799846bc39a71e77bcb69a3c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccde9a9e2f4e3f6d6a90cb71e74a1596bf6f37799846bc39a71e77bcb69a3c91", kill_on_drop: false }`
[INFO] [stdout] ccde9a9e2f4e3f6d6a90cb71e74a1596bf6f37799846bc39a71e77bcb69a3c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c4047a995b67fda075596e87cd30add53adf70a3a3ca3228191e8520c9604527
[INFO] running `Command { std: "docker" "start" "-a" "c4047a995b67fda075596e87cd30add53adf70a3a3ca3228191e8520c9604527", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling olio v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling tao-log v1.0.1
[INFO] [stderr]    Compiling body-image v2.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling barc v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]  Documenting barc v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "c4047a995b67fda075596e87cd30add53adf70a3a3ca3228191e8520c9604527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4047a995b67fda075596e87cd30add53adf70a3a3ca3228191e8520c9604527", kill_on_drop: false }`
[INFO] [stdout] c4047a995b67fda075596e87cd30add53adf70a3a3ca3228191e8520c9604527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] da5fb2dde030f9a0afa854922883856a4d46b3af9d28288aee7faf0adc6feeb4
[INFO] running `Command { std: "docker" "start" "-a" "da5fb2dde030f9a0afa854922883856a4d46b3af9d28288aee7faf0adc6feeb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling tao-log v1.0.1
[INFO] [stderr]    Compiling olio v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling body-image v2.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling barc v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]  Documenting barc v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "da5fb2dde030f9a0afa854922883856a4d46b3af9d28288aee7faf0adc6feeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5fb2dde030f9a0afa854922883856a4d46b3af9d28288aee7faf0adc6feeb4", kill_on_drop: false }`
[INFO] [stdout] da5fb2dde030f9a0afa854922883856a4d46b3af9d28288aee7faf0adc6feeb4