[INFO] fetching crate vhr_serde 0.1.0...
[INFO] documenting vhr_serde-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vhr_serde 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate vhr_serde 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 vhr_serde 0.1.0
[INFO] finished tweaking crates.io crate vhr_serde 0.1.0
[INFO] tweaked toml for crates.io crate vhr_serde 0.1.0 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] 8b8e8f5a89064526b73e7a6c1cf690e669f65e9d4e199eeaec32872516957aab
[INFO] running `Command { std: "docker" "start" "-a" "8b8e8f5a89064526b73e7a6c1cf690e669f65e9d4e199eeaec32872516957aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8e8f5a89064526b73e7a6c1cf690e669f65e9d4e199eeaec32872516957aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8e8f5a89064526b73e7a6c1cf690e669f65e9d4e199eeaec32872516957aab", kill_on_drop: false }`
[INFO] [stdout] 8b8e8f5a89064526b73e7a6c1cf690e669f65e9d4e199eeaec32872516957aab
[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] 2efd3e306dd00ba521663c89495ae8e8359d42ab2fd598830002c47c06ae8aa4
[INFO] running `Command { std: "docker" "start" "-a" "2efd3e306dd00ba521663c89495ae8e8359d42ab2fd598830002c47c06ae8aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]  Documenting vhr_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "2efd3e306dd00ba521663c89495ae8e8359d42ab2fd598830002c47c06ae8aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efd3e306dd00ba521663c89495ae8e8359d42ab2fd598830002c47c06ae8aa4", kill_on_drop: false }`
[INFO] [stdout] 2efd3e306dd00ba521663c89495ae8e8359d42ab2fd598830002c47c06ae8aa4
[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] b79ced929b520c9cd928ea0bd5cbfce159131084b4d76107b9d0f7ea75cfdf3f
[INFO] running `Command { std: "docker" "start" "-a" "b79ced929b520c9cd928ea0bd5cbfce159131084b4d76107b9d0f7ea75cfdf3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting vhr_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "b79ced929b520c9cd928ea0bd5cbfce159131084b4d76107b9d0f7ea75cfdf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79ced929b520c9cd928ea0bd5cbfce159131084b4d76107b9d0f7ea75cfdf3f", kill_on_drop: false }`
[INFO] [stdout] b79ced929b520c9cd928ea0bd5cbfce159131084b4d76107b9d0f7ea75cfdf3f