[INFO] fetching crate tw_pack_lib 0.1.21...
[INFO] documenting tw_pack_lib-0.1.21 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tw_pack_lib 0.1.21 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tw_pack_lib 0.1.21 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 tw_pack_lib 0.1.21
[INFO] finished tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] tweaked toml for crates.io crate tw_pack_lib 0.1.21 written to /workspace/builds/worker-23/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-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] 6c4a52538dd60c70530905ccd4eba3b5fe49cdde019391807cca03d33cef3c5d
[INFO] running `Command { std: "docker" "start" "-a" "6c4a52538dd60c70530905ccd4eba3b5fe49cdde019391807cca03d33cef3c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4a52538dd60c70530905ccd4eba3b5fe49cdde019391807cca03d33cef3c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4a52538dd60c70530905ccd4eba3b5fe49cdde019391807cca03d33cef3c5d", kill_on_drop: false }`
[INFO] [stdout] 6c4a52538dd60c70530905ccd4eba3b5fe49cdde019391807cca03d33cef3c5d
[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] de6ca9a0cc4f883cc02023eafcb2dca777ff62890a1db2b7d853c69d7deb5bd6
[INFO] running `Command { std: "docker" "start" "-a" "de6ca9a0cc4f883cc02023eafcb2dca777ff62890a1db2b7d853c69d7deb5bd6", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cached_file_view v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "de6ca9a0cc4f883cc02023eafcb2dca777ff62890a1db2b7d853c69d7deb5bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6ca9a0cc4f883cc02023eafcb2dca777ff62890a1db2b7d853c69d7deb5bd6", kill_on_drop: false }`
[INFO] [stdout] de6ca9a0cc4f883cc02023eafcb2dca777ff62890a1db2b7d853c69d7deb5bd6
[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" "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] 1f48d37b233b981780120dea777f320d64d5fbc4b4e190b097ca8f0d09cb762d
[INFO] running `Command { std: "docker" "start" "-a" "1f48d37b233b981780120dea777f320d64d5fbc4b4e190b097ca8f0d09cb762d", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cached_file_view v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "1f48d37b233b981780120dea777f320d64d5fbc4b4e190b097ca8f0d09cb762d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f48d37b233b981780120dea777f320d64d5fbc4b4e190b097ca8f0d09cb762d", kill_on_drop: false }`
[INFO] [stdout] 1f48d37b233b981780120dea777f320d64d5fbc4b4e190b097ca8f0d09cb762d