[INFO] fetching crate zone-alloc 0.3.5...
[INFO] documenting zone-alloc-0.3.5 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate zone-alloc 0.3.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate zone-alloc 0.3.5 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 zone-alloc 0.3.5
[INFO] finished tweaking crates.io crate zone-alloc 0.3.5
[INFO] tweaked toml for crates.io crate zone-alloc 0.3.5 written to /workspace/builds/worker-6-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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b251569a2216e48bec54166893de7d61ccd675d3aa369217e953855520beabfb
[INFO] running `Command { std: "docker" "start" "-a" "b251569a2216e48bec54166893de7d61ccd675d3aa369217e953855520beabfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b251569a2216e48bec54166893de7d61ccd675d3aa369217e953855520beabfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b251569a2216e48bec54166893de7d61ccd675d3aa369217e953855520beabfb", kill_on_drop: false }`
[INFO] [stdout] b251569a2216e48bec54166893de7d61ccd675d3aa369217e953855520beabfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6c27c19c1fa1a4700eb67719d09db90abded448f352322f5d929da879a4bf2be
[INFO] running `Command { std: "docker" "start" "-a" "6c27c19c1fa1a4700eb67719d09db90abded448f352322f5d929da879a4bf2be", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ahash v0.8.7
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]  Documenting zone-alloc v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | #![feature(dropck_eyepatch)]
[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:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `return_position_impl_trait_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | #![feature(trait_alias)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `zone-alloc`
[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 zone_alloc src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7aa75a72f097402b -L dependency=/opt/rustwide/target/debug/deps --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-dfb2f292df325569.rmeta --cap-lints=warn --crate-version 0.3.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6c27c19c1fa1a4700eb67719d09db90abded448f352322f5d929da879a4bf2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c27c19c1fa1a4700eb67719d09db90abded448f352322f5d929da879a4bf2be", kill_on_drop: false }`
[INFO] [stdout] 6c27c19c1fa1a4700eb67719d09db90abded448f352322f5d929da879a4bf2be
[INFO] documenting zone-alloc-0.3.5 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate zone-alloc 0.3.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate zone-alloc 0.3.5 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 zone-alloc 0.3.5
[INFO] finished tweaking crates.io crate zone-alloc 0.3.5
[INFO] tweaked toml for crates.io crate zone-alloc 0.3.5 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0eea44ab4b728f0a6640406524210a303c3179d289873121e801bf9fd433ac28
[INFO] running `Command { std: "docker" "start" "-a" "0eea44ab4b728f0a6640406524210a303c3179d289873121e801bf9fd433ac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eea44ab4b728f0a6640406524210a303c3179d289873121e801bf9fd433ac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eea44ab4b728f0a6640406524210a303c3179d289873121e801bf9fd433ac28", kill_on_drop: false }`
[INFO] [stdout] 0eea44ab4b728f0a6640406524210a303c3179d289873121e801bf9fd433ac28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ceeeedc5aba9a880f8e5ed77ae02b637f0e295ac54d4375a0466474c0b5711bc
[INFO] running `Command { std: "docker" "start" "-a" "ceeeedc5aba9a880f8e5ed77ae02b637f0e295ac54d4375a0466474c0b5711bc", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ahash v0.8.7
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]  Documenting zone-alloc v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | #![feature(dropck_eyepatch)]
[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:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `return_position_impl_trait_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | #![feature(trait_alias)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `zone-alloc`
[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 zone_alloc src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3518724ae49c8266 -L dependency=/opt/rustwide/target/debug/deps --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-7badf404d32acaec.rmeta --cap-lints=warn --crate-version 0.3.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ceeeedc5aba9a880f8e5ed77ae02b637f0e295ac54d4375a0466474c0b5711bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceeeedc5aba9a880f8e5ed77ae02b637f0e295ac54d4375a0466474c0b5711bc", kill_on_drop: false }`
[INFO] [stdout] ceeeedc5aba9a880f8e5ed77ae02b637f0e295ac54d4375a0466474c0b5711bc
