[INFO] fetching crate trimmer 0.3.6...
[INFO] documenting trimmer-0.3.6 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate trimmer 0.3.6 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate trimmer 0.3.6 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 trimmer 0.3.6
[INFO] finished tweaking crates.io crate trimmer 0.3.6
[INFO] tweaked toml for crates.io crate trimmer 0.3.6 written to /workspace/builds/worker-35/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] [stderr]     Blocking waiting for file lock on package cache
[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 owning_ref v0.3.3
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] ce64b9cd1c2ccb73e8b75e4044f79a652d1830808b13cf5b4c85dcf935abc8a4
[INFO] running `Command { std: "docker" "start" "-a" "ce64b9cd1c2ccb73e8b75e4044f79a652d1830808b13cf5b4c85dcf935abc8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce64b9cd1c2ccb73e8b75e4044f79a652d1830808b13cf5b4c85dcf935abc8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce64b9cd1c2ccb73e8b75e4044f79a652d1830808b13cf5b4c85dcf935abc8a4", kill_on_drop: false }`
[INFO] [stdout] ce64b9cd1c2ccb73e8b75e4044f79a652d1830808b13cf5b4c85dcf935abc8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 335d38d7eca86f6ddb42bf510c0d417bb164535b8b26eae74fc6be76e41f1728
[INFO] running `Command { std: "docker" "start" "-a" "335d38d7eca86f6ddb42bf510c0d417bb164535b8b26eae74fc6be76e41f1728", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]  Documenting trimmer v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/number.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             b.checked_sub((-a as u64)).map(val)
[INFO] [stdout]     |                           ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -             b.checked_sub((-a as u64)).map(val)
[INFO] [stdout] 138 +             b.checked_sub(-a as u64).map(val)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/number.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |             a.checked_add((-b as u64)).map(val)
[INFO] [stdout]     |                           ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -             a.checked_add((-b as u64)).map(val)
[INFO] [stdout] 162 +             a.checked_add(-b as u64).map(val)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "335d38d7eca86f6ddb42bf510c0d417bb164535b8b26eae74fc6be76e41f1728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335d38d7eca86f6ddb42bf510c0d417bb164535b8b26eae74fc6be76e41f1728", kill_on_drop: false }`
[INFO] [stdout] 335d38d7eca86f6ddb42bf510c0d417bb164535b8b26eae74fc6be76e41f1728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] d7e96d93c4f3dde4a388af5632c764fe6c20ce4375d31f540e1163834a8b800d
[INFO] running `Command { std: "docker" "start" "-a" "d7e96d93c4f3dde4a388af5632c764fe6c20ce4375d31f540e1163834a8b800d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]  Documenting trimmer v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/number.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             b.checked_sub((-a as u64)).map(val)
[INFO] [stdout]     |                           ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -             b.checked_sub((-a as u64)).map(val)
[INFO] [stdout] 138 +             b.checked_sub(-a as u64).map(val)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/number.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |             a.checked_add((-b as u64)).map(val)
[INFO] [stdout]     |                           ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -             a.checked_add((-b as u64)).map(val)
[INFO] [stdout] 162 +             a.checked_add(-b as u64).map(val)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "d7e96d93c4f3dde4a388af5632c764fe6c20ce4375d31f540e1163834a8b800d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e96d93c4f3dde4a388af5632c764fe6c20ce4375d31f540e1163834a8b800d", kill_on_drop: false }`
[INFO] [stdout] d7e96d93c4f3dde4a388af5632c764fe6c20ce4375d31f540e1163834a8b800d