[INFO] fetching crate staticstep 0.4.2...
[INFO] documenting staticstep-0.4.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate staticstep 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate staticstep 0.4.2 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 staticstep 0.4.2
[INFO] finished tweaking crates.io crate staticstep 0.4.2
[INFO] tweaked toml for crates.io crate staticstep 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate staticstep 0.4.2 already has a lockfile, it will not be regenerated
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 58d16bbd86fc5ef6be20922d2ecdf8d2f30c01466f664500410e054dc2a9cd2a
[INFO] running `Command { std: "docker" "start" "-a" "58d16bbd86fc5ef6be20922d2ecdf8d2f30c01466f664500410e054dc2a9cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d16bbd86fc5ef6be20922d2ecdf8d2f30c01466f664500410e054dc2a9cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d16bbd86fc5ef6be20922d2ecdf8d2f30c01466f664500410e054dc2a9cd2a", kill_on_drop: false }`
[INFO] [stdout] 58d16bbd86fc5ef6be20922d2ecdf8d2f30c01466f664500410e054dc2a9cd2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ffb6152a0537b7eb27b37cb350abe0715f055f3a2380c1e48295929e544159ef
[INFO] running `Command { std: "docker" "start" "-a" "ffb6152a0537b7eb27b37cb350abe0715f055f3a2380c1e48295929e544159ef", kill_on_drop: false }`
[INFO] [stderr]  Documenting staticstep v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, step_trait)]
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// The [`Iterator`](core::iter::Iterator)-implementing struct through which the functionality of
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// The [`Iterator`]-implementing struct through which the functionality of
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// The [`Iterator`](core::iter::Iterator)-implementing struct through which the functionality of
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// The [`Iterator`]-implementing struct through which the functionality of
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:158:65
[INFO] [stdout]     |
[INFO] [stdout] 158 | /// that turns implementers of it into an instance of [`IncBy`][crate::IncBy] when
[INFO] [stdout]     |                                                        -------  ^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 158 | /// that turns implementers of it into an instance of [`IncBy`] when
[INFO] [stdout]     |                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:185:65
[INFO] [stdout]     |
[INFO] [stdout] 185 | /// that turns implementers of it into an instance of [`DecBy`][crate::DecBy] when
[INFO] [stdout]     |                                                        -------  ^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 185 | /// that turns implementers of it into an instance of [`DecBy`] when
[INFO] [stdout]     |                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `staticstep`
[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=2021 --crate-type lib --crate-name staticstep src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=72b0c12b5520c7ae -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ffb6152a0537b7eb27b37cb350abe0715f055f3a2380c1e48295929e544159ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb6152a0537b7eb27b37cb350abe0715f055f3a2380c1e48295929e544159ef", kill_on_drop: false }`
[INFO] [stdout] ffb6152a0537b7eb27b37cb350abe0715f055f3a2380c1e48295929e544159ef
[INFO] documenting staticstep-0.4.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate staticstep 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate staticstep 0.4.2 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 staticstep 0.4.2
[INFO] finished tweaking crates.io crate staticstep 0.4.2
[INFO] tweaked toml for crates.io crate staticstep 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate staticstep 0.4.2 already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03ad08abb9098dcb75a26da0cf1c1ecf0d09450264b9730f0a8f27a7535db08c
[INFO] running `Command { std: "docker" "start" "-a" "03ad08abb9098dcb75a26da0cf1c1ecf0d09450264b9730f0a8f27a7535db08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ad08abb9098dcb75a26da0cf1c1ecf0d09450264b9730f0a8f27a7535db08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ad08abb9098dcb75a26da0cf1c1ecf0d09450264b9730f0a8f27a7535db08c", kill_on_drop: false }`
[INFO] [stdout] 03ad08abb9098dcb75a26da0cf1c1ecf0d09450264b9730f0a8f27a7535db08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 16d763ad0ec1d12e08a4ba0bc75c43c0ca2ff6c8920e504adcdbf45b4a93258f
[INFO] running `Command { std: "docker" "start" "-a" "16d763ad0ec1d12e08a4ba0bc75c43c0ca2ff6c8920e504adcdbf45b4a93258f", kill_on_drop: false }`
[INFO] [stderr]  Documenting staticstep v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, step_trait)]
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// The [`Iterator`](core::iter::Iterator)-implementing struct through which the functionality of
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// The [`Iterator`]-implementing struct through which the functionality of
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// The [`Iterator`](core::iter::Iterator)-implementing struct through which the functionality of
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// The [`Iterator`]-implementing struct through which the functionality of
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:158:65
[INFO] [stdout]     |
[INFO] [stdout] 158 | /// that turns implementers of it into an instance of [`IncBy`][crate::IncBy] when
[INFO] [stdout]     |                                                        -------  ^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 158 | /// that turns implementers of it into an instance of [`IncBy`] when
[INFO] [stdout]     |                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:185:65
[INFO] [stdout]     |
[INFO] [stdout] 185 | /// that turns implementers of it into an instance of [`DecBy`][crate::DecBy] when
[INFO] [stdout]     |                                                        -------  ^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 185 | /// that turns implementers of it into an instance of [`DecBy`] when
[INFO] [stdout]     |                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `staticstep`
[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=2021 --crate-type lib --crate-name staticstep src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=69424d08bb764c7d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "16d763ad0ec1d12e08a4ba0bc75c43c0ca2ff6c8920e504adcdbf45b4a93258f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d763ad0ec1d12e08a4ba0bc75c43c0ca2ff6c8920e504adcdbf45b4a93258f", kill_on_drop: false }`
[INFO] [stdout] 16d763ad0ec1d12e08a4ba0bc75c43c0ca2ff6c8920e504adcdbf45b4a93258f
