[INFO] fetching crate tfio 0.1.32...
[INFO] documenting tfio-0.1.32 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tfio 0.1.32 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate tfio 0.1.32 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 tfio 0.1.32
[INFO] finished tweaking crates.io crate tfio 0.1.32
[INFO] tweaked toml for crates.io crate tfio 0.1.32 written to /workspace/builds/worker-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] e22a25252249595f642c85b79fb8953ba11c9e81f8a0c428ecbc97779bad12c1
[INFO] running `Command { std: "docker" "start" "-a" "e22a25252249595f642c85b79fb8953ba11c9e81f8a0c428ecbc97779bad12c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22a25252249595f642c85b79fb8953ba11c9e81f8a0c428ecbc97779bad12c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22a25252249595f642c85b79fb8953ba11c9e81f8a0c428ecbc97779bad12c1", kill_on_drop: false }`
[INFO] [stdout] e22a25252249595f642c85b79fb8953ba11c9e81f8a0c428ecbc97779bad12c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 4140585083d5e169ab6e710c5b1c0ac594c8812a2318a4f702768e9b6b3c8475
[INFO] running `Command { std: "docker" "start" "-a" "4140585083d5e169ab6e710c5b1c0ac594c8812a2318a4f702768e9b6b3c8475", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]  Documenting tfio v0.1.32 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "4140585083d5e169ab6e710c5b1c0ac594c8812a2318a4f702768e9b6b3c8475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4140585083d5e169ab6e710c5b1c0ac594c8812a2318a4f702768e9b6b3c8475", kill_on_drop: false }`
[INFO] [stdout] 4140585083d5e169ab6e710c5b1c0ac594c8812a2318a4f702768e9b6b3c8475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] f3f7870028f55d697a19a4c0a4dc65eac5a79ce101facd46c6800f0cc0f0e794
[INFO] running `Command { std: "docker" "start" "-a" "f3f7870028f55d697a19a4c0a4dc65eac5a79ce101facd46c6800f0cc0f0e794", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]  Documenting tfio v0.1.32 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "f3f7870028f55d697a19a4c0a4dc65eac5a79ce101facd46c6800f0cc0f0e794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f7870028f55d697a19a4c0a4dc65eac5a79ce101facd46c6800f0cc0f0e794", kill_on_drop: false }`
[INFO] [stdout] f3f7870028f55d697a19a4c0a4dc65eac5a79ce101facd46c6800f0cc0f0e794