[INFO] fetching crate type-equalities 0.3.1...
[INFO] documenting type-equalities-0.3.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate type-equalities 0.3.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate type-equalities 0.3.1 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 type-equalities 0.3.1
[INFO] finished tweaking crates.io crate type-equalities 0.3.1
[INFO] tweaked toml for crates.io crate type-equalities 0.3.1 written to /workspace/builds/worker-26/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 4c7b982ada1d4159be29bd7acd7668d9e163eedb9700bc8c79f0e4f28ce79101
[INFO] running `Command { std: "docker" "start" "-a" "4c7b982ada1d4159be29bd7acd7668d9e163eedb9700bc8c79f0e4f28ce79101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7b982ada1d4159be29bd7acd7668d9e163eedb9700bc8c79f0e4f28ce79101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7b982ada1d4159be29bd7acd7668d9e163eedb9700bc8c79f0e4f28ce79101", kill_on_drop: false }`
[INFO] [stdout] 4c7b982ada1d4159be29bd7acd7668d9e163eedb9700bc8c79f0e4f28ce79101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 305cd14359fc68cf6d188c7e69bd8ae818a8b1b85bdc52cea16490a176756044
[INFO] running `Command { std: "docker" "start" "-a" "305cd14359fc68cf6d188c7e69bd8ae818a8b1b85bdc52cea16490a176756044", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling type-equalities v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting type-equalities v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "305cd14359fc68cf6d188c7e69bd8ae818a8b1b85bdc52cea16490a176756044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305cd14359fc68cf6d188c7e69bd8ae818a8b1b85bdc52cea16490a176756044", kill_on_drop: false }`
[INFO] [stdout] 305cd14359fc68cf6d188c7e69bd8ae818a8b1b85bdc52cea16490a176756044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4c35caa0167648cba7e81d55457a712f8664ae728f5a46092f002a62ce3a4475
[INFO] running `Command { std: "docker" "start" "-a" "4c35caa0167648cba7e81d55457a712f8664ae728f5a46092f002a62ce3a4475", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling type-equalities v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting type-equalities v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:8:57
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "test-for-type-equality", feature(specialization))]
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "4c35caa0167648cba7e81d55457a712f8664ae728f5a46092f002a62ce3a4475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c35caa0167648cba7e81d55457a712f8664ae728f5a46092f002a62ce3a4475", kill_on_drop: false }`
[INFO] [stdout] 4c35caa0167648cba7e81d55457a712f8664ae728f5a46092f002a62ce3a4475