[INFO] fetching crate ccache_stats_reader 0.1.2...
[INFO] documenting ccache_stats_reader-0.1.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ccache_stats_reader 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ccache_stats_reader 0.1.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] finished tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] tweaked toml for crates.io crate ccache_stats_reader 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8dc3658c7bb69e298059497a5f67bb2a89e9b43dbb25ee76e7ac7bc6a5be867
[INFO] running `Command { std: "docker" "start" "-a" "d8dc3658c7bb69e298059497a5f67bb2a89e9b43dbb25ee76e7ac7bc6a5be867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8dc3658c7bb69e298059497a5f67bb2a89e9b43dbb25ee76e7ac7bc6a5be867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8dc3658c7bb69e298059497a5f67bb2a89e9b43dbb25ee76e7ac7bc6a5be867", kill_on_drop: false }`
[INFO] [stdout] d8dc3658c7bb69e298059497a5f67bb2a89e9b43dbb25ee76e7ac7bc6a5be867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdddaddaf9b1c0e6d65d2373f54ce65f46452b0f41ab4e08a69c1af322becd2
[INFO] running `Command { std: "docker" "start" "-a" "3cdddaddaf9b1c0e6d65d2373f54ce65f46452b0f41ab4e08a69c1af322becd2", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]  Documenting ccache_stats_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cache_field.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout]     |                                      ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout] 131 +     pub fn as_usize(self) -> usize { self as usize }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ccache_stats_reader/index.html
[INFO] running `Command { std: "docker" "inspect" "3cdddaddaf9b1c0e6d65d2373f54ce65f46452b0f41ab4e08a69c1af322becd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdddaddaf9b1c0e6d65d2373f54ce65f46452b0f41ab4e08a69c1af322becd2", kill_on_drop: false }`
[INFO] [stdout] 3cdddaddaf9b1c0e6d65d2373f54ce65f46452b0f41ab4e08a69c1af322becd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b19ae813a46d2e104437dfdcc4782d1abb658d0ee20945569ba6831233141b5
[INFO] running `Command { std: "docker" "start" "-a" "9b19ae813a46d2e104437dfdcc4782d1abb658d0ee20945569ba6831233141b5", kill_on_drop: false }`
[INFO] [stderr]  Documenting ccache_stats_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "external_doc", feature(external_doc))]
[INFO] [stdout]   |                                               ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ccache_stats_reader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name ccache_stats_reader src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="external_doc"' --cfg 'feature="nightly"' --cfg 'feature="non_exhaustive"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=9fc1f3f58d813882 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-8722d80b10af1382.rmeta --extern-html-root-url 'chrono=https://docs.rs/chrono/0.4.31/' -Zunstable-options --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9b19ae813a46d2e104437dfdcc4782d1abb658d0ee20945569ba6831233141b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b19ae813a46d2e104437dfdcc4782d1abb658d0ee20945569ba6831233141b5", kill_on_drop: false }`
[INFO] [stdout] 9b19ae813a46d2e104437dfdcc4782d1abb658d0ee20945569ba6831233141b5
[INFO] documenting ccache_stats_reader-0.1.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ccache_stats_reader 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ccache_stats_reader 0.1.2 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] finished tweaking crates.io crate ccache_stats_reader 0.1.2
[INFO] tweaked toml for crates.io crate ccache_stats_reader 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a734242a7b916884792fe9eb1bb8f863d426d66fbfe72d56f4d6aa10774e68
[INFO] running `Command { std: "docker" "start" "-a" "13a734242a7b916884792fe9eb1bb8f863d426d66fbfe72d56f4d6aa10774e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a734242a7b916884792fe9eb1bb8f863d426d66fbfe72d56f4d6aa10774e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a734242a7b916884792fe9eb1bb8f863d426d66fbfe72d56f4d6aa10774e68", kill_on_drop: false }`
[INFO] [stdout] 13a734242a7b916884792fe9eb1bb8f863d426d66fbfe72d56f4d6aa10774e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9fe0b733c002cd728d9a600a734a473bdc23fc13ee8662bc60cb9f55f86ba0
[INFO] running `Command { std: "docker" "start" "-a" "ea9fe0b733c002cd728d9a600a734a473bdc23fc13ee8662bc60cb9f55f86ba0", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]  Documenting ccache_stats_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cache_field.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout]     |                                      ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -     pub fn as_usize(self) -> usize { (self as usize) }
[INFO] [stdout] 131 +     pub fn as_usize(self) -> usize { self as usize }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ccache_stats_reader/index.html
[INFO] running `Command { std: "docker" "inspect" "ea9fe0b733c002cd728d9a600a734a473bdc23fc13ee8662bc60cb9f55f86ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9fe0b733c002cd728d9a600a734a473bdc23fc13ee8662bc60cb9f55f86ba0", kill_on_drop: false }`
[INFO] [stdout] ea9fe0b733c002cd728d9a600a734a473bdc23fc13ee8662bc60cb9f55f86ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0977e5c928b408ec86f2451c3b6efb4f3122c9c98ce8a77b51c3cbb14d1c59d0
[INFO] running `Command { std: "docker" "start" "-a" "0977e5c928b408ec86f2451c3b6efb4f3122c9c98ce8a77b51c3cbb14d1c59d0", kill_on_drop: false }`
[INFO] [stderr]  Documenting ccache_stats_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "external_doc", feature(external_doc))]
[INFO] [stdout]   |                                               ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ccache_stats_reader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name ccache_stats_reader src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="external_doc"' --cfg 'feature="nightly"' --cfg 'feature="non_exhaustive"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=4561fd855967ccff -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b2b2faec1b47fc26.rmeta --extern-html-root-url 'chrono=https://docs.rs/chrono/0.4.31/' -Zunstable-options --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0977e5c928b408ec86f2451c3b6efb4f3122c9c98ce8a77b51c3cbb14d1c59d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0977e5c928b408ec86f2451c3b6efb4f3122c9c98ce8a77b51c3cbb14d1c59d0", kill_on_drop: false }`
[INFO] [stdout] 0977e5c928b408ec86f2451c3b6efb4f3122c9c98ce8a77b51c3cbb14d1c59d0
