[INFO] fetching crate fixed-buffer 0.5.0...
[INFO] documenting fixed-buffer-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate fixed-buffer 0.5.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate fixed-buffer 0.5.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-buffer 0.5.0
[INFO] finished tweaking crates.io crate fixed-buffer 0.5.0
[INFO] tweaked toml for crates.io crate fixed-buffer 0.5.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safe-proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded safe-quote v1.0.15
[INFO] [stderr]   Downloaded read-write-ext v0.1.1
[INFO] [stderr]   Downloaded safina-async-test-core v0.1.4
[INFO] [stderr]   Downloaded safina-sync v0.2.4
[INFO] [stderr]   Downloaded safina-async-test v0.1.13
[INFO] [stderr]   Downloaded safina-timer v0.1.11
[INFO] [stderr]   Downloaded safina-threadpool v0.2.4
[INFO] [stderr]   Downloaded safina-executor v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b8c83d296429fa60054faffc17a817fee5cefff4e886e672b218dada765c24e
[INFO] running `Command { std: "docker" "start" "-a" "9b8c83d296429fa60054faffc17a817fee5cefff4e886e672b218dada765c24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b8c83d296429fa60054faffc17a817fee5cefff4e886e672b218dada765c24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8c83d296429fa60054faffc17a817fee5cefff4e886e672b218dada765c24e", kill_on_drop: false }`
[INFO] [stdout] 9b8c83d296429fa60054faffc17a817fee5cefff4e886e672b218dada765c24e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d22348765cf093f4db27f03a996696a53f7a7ec70c01f05321b623c186c760
[INFO] running `Command { std: "docker" "start" "-a" "e1d22348765cf093f4db27f03a996696a53f7a7ec70c01f05321b623c186c760", kill_on_drop: false }`
[INFO] [stderr]  Documenting fixed-buffer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "e1d22348765cf093f4db27f03a996696a53f7a7ec70c01f05321b623c186c760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d22348765cf093f4db27f03a996696a53f7a7ec70c01f05321b623c186c760", kill_on_drop: false }`
[INFO] [stdout] e1d22348765cf093f4db27f03a996696a53f7a7ec70c01f05321b623c186c760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5d40fe4307ec8670e0397c365d783373a9ca3c186b9c9a2929f435881351189f
[INFO] running `Command { std: "docker" "start" "-a" "5d40fe4307ec8670e0397c365d783373a9ca3c186b9c9a2929f435881351189f", kill_on_drop: false }`
[INFO] [stderr]  Documenting fixed-buffer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "5d40fe4307ec8670e0397c365d783373a9ca3c186b9c9a2929f435881351189f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d40fe4307ec8670e0397c365d783373a9ca3c186b9c9a2929f435881351189f", kill_on_drop: false }`
[INFO] [stdout] 5d40fe4307ec8670e0397c365d783373a9ca3c186b9c9a2929f435881351189f