[INFO] fetching crate qcollect-traits 0.7.4...
[INFO] documenting qcollect-traits-0.7.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate qcollect-traits 0.7.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate qcollect-traits 0.7.4 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 qcollect-traits 0.7.4
[INFO] finished tweaking crates.io crate qcollect-traits 0.7.4
[INFO] tweaked toml for crates.io crate qcollect-traits 0.7.4 written to /workspace/builds/worker-1-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e2d705180fc73d79234fd9e33e289e00c25ea07ec02399cb029b931c21f735
[INFO] running `Command { std: "docker" "start" "-a" "c2e2d705180fc73d79234fd9e33e289e00c25ea07ec02399cb029b931c21f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e2d705180fc73d79234fd9e33e289e00c25ea07ec02399cb029b931c21f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e2d705180fc73d79234fd9e33e289e00c25ea07ec02399cb029b931c21f735", kill_on_drop: false }`
[INFO] [stdout] c2e2d705180fc73d79234fd9e33e289e00c25ea07ec02399cb029b931c21f735
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] 584f4567c8ed8b8dbe5e0e5b0caa0a382d9f5fd0fe17c82cdf7d7ebaf29fdaf1
[INFO] running `Command { std: "docker" "start" "-a" "584f4567c8ed8b8dbe5e0e5b0caa0a382d9f5fd0fe17c82cdf7d7ebaf29fdaf1", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]  Documenting qcollect-traits v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / #![feature(
[INFO] [stdout] 52 | |     associated_type_defaults,
[INFO] [stdout] 53 | |     collections, 
[INFO] [stdout] 54 | |     collections_bound, 
[INFO] [stdout] 55 | |     btree_range, 
[INFO] [stdout] 56 | |     drain,
[INFO] [stdout] 57 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `<Self as traits::_Iterate<'a>>::Item == _`
[INFO] [stdout]   --> src/traits.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Item = <Self::Iter as Iterator>::Item;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0275, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `qcollect-traits`
[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 --crate-type lib --crate-name qcollect_traits src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=61c783aa0353fcd1 -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-e40c7329d6791bb5.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-17f63836b743ffd8.rmeta --cap-lints=warn --crate-version 0.7.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "584f4567c8ed8b8dbe5e0e5b0caa0a382d9f5fd0fe17c82cdf7d7ebaf29fdaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584f4567c8ed8b8dbe5e0e5b0caa0a382d9f5fd0fe17c82cdf7d7ebaf29fdaf1", kill_on_drop: false }`
[INFO] [stdout] 584f4567c8ed8b8dbe5e0e5b0caa0a382d9f5fd0fe17c82cdf7d7ebaf29fdaf1
[INFO] documenting qcollect-traits-0.7.4 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate qcollect-traits 0.7.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate qcollect-traits 0.7.4 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 qcollect-traits 0.7.4
[INFO] finished tweaking crates.io crate qcollect-traits 0.7.4
[INFO] tweaked toml for crates.io crate qcollect-traits 0.7.4 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ad4c73de3ced89162cd21aa282826c46a33a00a76aa86b20df71e7c9155c2a6f
[INFO] running `Command { std: "docker" "start" "-a" "ad4c73de3ced89162cd21aa282826c46a33a00a76aa86b20df71e7c9155c2a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4c73de3ced89162cd21aa282826c46a33a00a76aa86b20df71e7c9155c2a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4c73de3ced89162cd21aa282826c46a33a00a76aa86b20df71e7c9155c2a6f", kill_on_drop: false }`
[INFO] [stdout] ad4c73de3ced89162cd21aa282826c46a33a00a76aa86b20df71e7c9155c2a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b33f2f0b3cd82e59594cfd25c66d251d673e18bc1a158925e0bbee4a26aff97
[INFO] running `Command { std: "docker" "start" "-a" "9b33f2f0b3cd82e59594cfd25c66d251d673e18bc1a158925e0bbee4a26aff97", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]  Documenting qcollect-traits v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / #![feature(
[INFO] [stdout] 52 | |     associated_type_defaults,
[INFO] [stdout] 53 | |     collections, 
[INFO] [stdout] 54 | |     collections_bound, 
[INFO] [stdout] 55 | |     btree_range, 
[INFO] [stdout] 56 | |     drain,
[INFO] [stdout] 57 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `<Self as traits::_Iterate<'a>>::Item == _`
[INFO] [stdout]   --> src/traits.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type Item = <Self::Iter as Iterator>::Item;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0275, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `qcollect-traits`
[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 --crate-type lib --crate-name qcollect_traits src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1cf7a37fa6044c9d -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-2aa4a390b52dc8db.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-98d9ef13640b46f8.rmeta --cap-lints=warn --crate-version 0.7.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9b33f2f0b3cd82e59594cfd25c66d251d673e18bc1a158925e0bbee4a26aff97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b33f2f0b3cd82e59594cfd25c66d251d673e18bc1a158925e0bbee4a26aff97", kill_on_drop: false }`
[INFO] [stdout] 9b33f2f0b3cd82e59594cfd25c66d251d673e18bc1a158925e0bbee4a26aff97
