[INFO] fetching crate big-hash 0.2.0...
[INFO] documenting big-hash-0.2.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate big-hash 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate big-hash 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate big-hash 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate big-hash 0.2.0
[INFO] tweaked toml for crates.io crate big-hash 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate big-hash 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfcbe4a52cb5d1cff797b2ec9491dbe366d9273967dc147c265fdd1bdd566a96
[INFO] running `Command { std: "docker" "start" "-a" "dfcbe4a52cb5d1cff797b2ec9491dbe366d9273967dc147c265fdd1bdd566a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcbe4a52cb5d1cff797b2ec9491dbe366d9273967dc147c265fdd1bdd566a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcbe4a52cb5d1cff797b2ec9491dbe366d9273967dc147c265fdd1bdd566a96", kill_on_drop: false }`
[INFO] [stdout] dfcbe4a52cb5d1cff797b2ec9491dbe366d9273967dc147c265fdd1bdd566a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d414ee0b43f49f1a4c7b15340bef06535fb61d157d7751140c9b76b7f9761b46
[INFO] running `Command { std: "docker" "start" "-a" "d414ee0b43f49f1a4c7b15340bef06535fb61d157d7751140c9b76b7f9761b46", kill_on_drop: false }`
[INFO] [stderr]     Checking hmac-sha256 v0.1.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hmac-sha512 v0.1.6
[INFO] [stderr]  Documenting big-hash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "d414ee0b43f49f1a4c7b15340bef06535fb61d157d7751140c9b76b7f9761b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d414ee0b43f49f1a4c7b15340bef06535fb61d157d7751140c9b76b7f9761b46", kill_on_drop: false }`
[INFO] [stdout] d414ee0b43f49f1a4c7b15340bef06535fb61d157d7751140c9b76b7f9761b46
