[INFO] fetching crate tst 0.10.1...
[INFO] documenting tst-0.10.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tst 0.10.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tst 0.10.1 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 tst 0.10.1
[INFO] finished tweaking crates.io crate tst 0.10.1
[INFO] tweaked toml for crates.io crate tst 0.10.1 written to /workspace/builds/worker-3/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]  Downloading crates ...
[INFO] [stderr]   Downloaded jemallocator v0.1.9
[INFO] [stderr]   Downloaded jemalloc-sys v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b8fb7fad71bc550f0b4672295513ff6247b9ac2bb16304a36fc43a179d997362
[INFO] running `Command { std: "docker" "start" "-a" "b8fb7fad71bc550f0b4672295513ff6247b9ac2bb16304a36fc43a179d997362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8fb7fad71bc550f0b4672295513ff6247b9ac2bb16304a36fc43a179d997362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fb7fad71bc550f0b4672295513ff6247b9ac2bb16304a36fc43a179d997362", kill_on_drop: false }`
[INFO] [stdout] b8fb7fad71bc550f0b4672295513ff6247b9ac2bb16304a36fc43a179d997362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e77b0805e995e786168f94e2945dcb64c2847a1df3923cd2589750ec1551f8f7
[INFO] running `Command { std: "docker" "start" "-a" "e77b0805e995e786168f94e2945dcb64c2847a1df3923cd2589750ec1551f8f7", kill_on_drop: false }`
[INFO] [stderr]  Documenting tst v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/set.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl<'x> Extend<(&'x str)> for TSTSet {
[INFO] [stdout]     |                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 - impl<'x> Extend<(&'x str)> for TSTSet {
[INFO] [stdout] 268 + impl<'x> Extend<&'x str> for TSTSet {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/set.rs:270:36
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn extend<I: IntoIterator<Item=(&'x str)>>(&mut self, iter: I) {
[INFO] [stdout]     |                                    ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 270 -     fn extend<I: IntoIterator<Item=(&'x str)>>(&mut self, iter: I) {
[INFO] [stdout] 270 +     fn extend<I: IntoIterator<Item=&'x str>>(&mut self, iter: I) {
[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 1.65s
[INFO] running `Command { std: "docker" "inspect" "e77b0805e995e786168f94e2945dcb64c2847a1df3923cd2589750ec1551f8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77b0805e995e786168f94e2945dcb64c2847a1df3923cd2589750ec1551f8f7", kill_on_drop: false }`
[INFO] [stdout] e77b0805e995e786168f94e2945dcb64c2847a1df3923cd2589750ec1551f8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 15330e6b2b4b73b40437cb5fa3297d8a6bea1b738db22d7282e59aa5175b23fe
[INFO] running `Command { std: "docker" "start" "-a" "15330e6b2b4b73b40437cb5fa3297d8a6bea1b738db22d7282e59aa5175b23fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting tst v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/set.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl<'x> Extend<(&'x str)> for TSTSet {
[INFO] [stdout]     |                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 - impl<'x> Extend<(&'x str)> for TSTSet {
[INFO] [stdout] 268 + impl<'x> Extend<&'x str> for TSTSet {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/set.rs:270:36
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn extend<I: IntoIterator<Item=(&'x str)>>(&mut self, iter: I) {
[INFO] [stdout]     |                                    ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 270 -     fn extend<I: IntoIterator<Item=(&'x str)>>(&mut self, iter: I) {
[INFO] [stdout] 270 +     fn extend<I: IntoIterator<Item=&'x str>>(&mut self, iter: I) {
[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 1.18s
[INFO] running `Command { std: "docker" "inspect" "15330e6b2b4b73b40437cb5fa3297d8a6bea1b738db22d7282e59aa5175b23fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15330e6b2b4b73b40437cb5fa3297d8a6bea1b738db22d7282e59aa5175b23fe", kill_on_drop: false }`
[INFO] [stdout] 15330e6b2b4b73b40437cb5fa3297d8a6bea1b738db22d7282e59aa5175b23fe