[INFO] fetching crate int-vec-2d 0.1.2...
[INFO] documenting int-vec-2d-0.1.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate int-vec-2d 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate int-vec-2d 0.1.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate int-vec-2d 0.1.2
[INFO] finished tweaking crates.io crate int-vec-2d 0.1.2
[INFO] tweaked toml for crates.io crate int-vec-2d 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-attr-2018 v2.1.2
[INFO] [stderr]   Downloaded enum-derive-2018 v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80010106003e9a06180a606cee16c8a43126b20ea99492b8f3c8b3620c871f97
[INFO] running `Command { std: "docker" "start" "-a" "80010106003e9a06180a606cee16c8a43126b20ea99492b8f3c8b3620c871f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80010106003e9a06180a606cee16c8a43126b20ea99492b8f3c8b3620c871f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80010106003e9a06180a606cee16c8a43126b20ea99492b8f3c8b3620c871f97", kill_on_drop: false }`
[INFO] [stdout] 80010106003e9a06180a606cee16c8a43126b20ea99492b8f3c8b3620c871f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0235dc3aeeb3e170eeff7318e2fe3d25faca689ade3b7f9dc2df466e80308874
[INFO] running `Command { std: "docker" "start" "-a" "0235dc3aeeb3e170eeff7318e2fe3d25faca689ade3b7f9dc2df466e80308874", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking enum-derive-2018 v2.0.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking macro-attr-2018 v2.1.2
[INFO] [stderr]  Documenting int-vec-2d v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(stmt_expr_attributes)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trusted_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `advance_by` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:145:43
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           expected `usize`, found `core::num::NonZeroUsize`
[INFO] [stdout]     |                                           help: change the output type to match the trait: `enum_derive_2018::std_result_Result<(), usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&mut Range1d, _) -> enum_derive_2018::std_result_Result<_, usize>`
[INFO] [stdout]                found signature `fn(&mut Range1d, _) -> enum_derive_2018::std_result_Result<_, core::num::NonZeroUsize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `advance_back_by` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:168:48
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                expected `usize`, found `core::num::NonZeroUsize`
[INFO] [stdout]     |                                                help: change the output type to match the trait: `enum_derive_2018::std_result_Result<(), usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&mut Range1d, _) -> enum_derive_2018::std_result_Result<_, usize>`
[INFO] [stdout]                found signature `fn(&mut Range1d, _) -> enum_derive_2018::std_result_Result<_, core::num::NonZeroUsize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `advance_by` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:663:43
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           expected `usize`, found `core::num::NonZeroUsize`
[INFO] [stdout]     |                                           help: change the output type to match the trait: `enum_derive_2018::std_result_Result<(), usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&mut RectPoints, _) -> enum_derive_2018::std_result_Result<_, usize>`
[INFO] [stdout]                found signature `fn(&mut RectPoints, _) -> enum_derive_2018::std_result_Result<_, core::num::NonZeroUsize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `int-vec-2d`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name int_vec_2d src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cedacdf6d1d7989e -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-bee33041cdd70044.rmeta --extern enum_derive_2018=/opt/rustwide/target/debug/deps/libenum_derive_2018-64811ab6f99997e2.rmeta --extern macro_attr_2018=/opt/rustwide/target/debug/deps/libmacro_attr_2018-21bbffe520499d3b.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c9c200c70d2ae16b.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0235dc3aeeb3e170eeff7318e2fe3d25faca689ade3b7f9dc2df466e80308874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0235dc3aeeb3e170eeff7318e2fe3d25faca689ade3b7f9dc2df466e80308874", kill_on_drop: false }`
[INFO] [stdout] 0235dc3aeeb3e170eeff7318e2fe3d25faca689ade3b7f9dc2df466e80308874
