[INFO] fetching crate owning_ref 0.4.1...
[INFO] documenting owning_ref-0.4.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate owning_ref 0.4.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate owning_ref 0.4.1 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 owning_ref 0.4.1
[INFO] finished tweaking crates.io crate owning_ref 0.4.1
[INFO] tweaked toml for crates.io crate owning_ref 0.4.1 written to /workspace/builds/worker-17/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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] edbc94b08bb14b41c1b1a15c9fcf58475598df5161b3209c9ba3e377cb437131
[INFO] running `Command { std: "docker" "start" "-a" "edbc94b08bb14b41c1b1a15c9fcf58475598df5161b3209c9ba3e377cb437131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbc94b08bb14b41c1b1a15c9fcf58475598df5161b3209c9ba3e377cb437131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbc94b08bb14b41c1b1a15c9fcf58475598df5161b3209c9ba3e377cb437131", kill_on_drop: false }`
[INFO] [stdout] edbc94b08bb14b41c1b1a15c9fcf58475598df5161b3209c9ba3e377cb437131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] b25843d17f2d50b32c4412bbd06a73841d3b521fbfbbedb041edf284305cbe29
[INFO] running `Command { std: "docker" "start" "-a" "b25843d17f2d50b32c4412bbd06a73841d3b521fbfbbedb041edf284305cbe29", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]  Documenting owning_ref v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1074:28
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1074 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1074 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1076:28
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1076 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1076 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1079:28
[INFO] [stdout]      |
[INFO] [stdout] 1079 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1079 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1079 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1081:28
[INFO] [stdout]      |
[INFO] [stdout] 1081 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1081 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1081 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "b25843d17f2d50b32c4412bbd06a73841d3b521fbfbbedb041edf284305cbe29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25843d17f2d50b32c4412bbd06a73841d3b521fbfbbedb041edf284305cbe29", kill_on_drop: false }`
[INFO] [stdout] b25843d17f2d50b32c4412bbd06a73841d3b521fbfbbedb041edf284305cbe29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] a1cbc73fc15e70cfb6ea3734c48a69ffe17cfa23e807a20ebe9a5751b5f7987f
[INFO] running `Command { std: "docker" "start" "-a" "a1cbc73fc15e70cfb6ea3734c48a69ffe17cfa23e807a20ebe9a5751b5f7987f", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]  Documenting owning_ref v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1074:28
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1074 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1074 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1076:28
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1076 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1076 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1079:28
[INFO] [stdout]      |
[INFO] [stdout] 1079 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1079 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1079 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1081:28
[INFO] [stdout]      |
[INFO] [stdout] 1081 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1081 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1081 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "a1cbc73fc15e70cfb6ea3734c48a69ffe17cfa23e807a20ebe9a5751b5f7987f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cbc73fc15e70cfb6ea3734c48a69ffe17cfa23e807a20ebe9a5751b5f7987f", kill_on_drop: false }`
[INFO] [stdout] a1cbc73fc15e70cfb6ea3734c48a69ffe17cfa23e807a20ebe9a5751b5f7987f