[INFO] fetching crate catnip 0.3.1...
[INFO] documenting catnip-0.3.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate catnip 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate catnip 0.3.1 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate catnip 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate catnip 0.3.1
[INFO] tweaked toml for crates.io crate catnip 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate catnip 0.3.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded byte_struct_derive v0.9.0
[INFO] [stderr]   Downloaded byte_struct v0.9.0
[INFO] [stderr]   Downloaded panic-never v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 718865faab820b132c34588c41a04445f5ebc9a30735ccf9c67d1a782b1f805d
[INFO] running `Command { std: "docker" "start" "-a" "718865faab820b132c34588c41a04445f5ebc9a30735ccf9c67d1a782b1f805d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718865faab820b132c34588c41a04445f5ebc9a30735ccf9c67d1a782b1f805d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718865faab820b132c34588c41a04445f5ebc9a30735ccf9c67d1a782b1f805d", kill_on_drop: false }`
[INFO] [stdout] 718865faab820b132c34588c41a04445f5ebc9a30735ccf9c67d1a782b1f805d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 54247f4e975bd206c0f1a900e1fe291df409e9bde80b72d561a0a1424c8c3e53
[INFO] running `Command { std: "docker" "start" "-a" "54247f4e975bd206c0f1a900e1fe291df409e9bde80b72d561a0a1424c8c3e53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling byte_struct_derive v0.9.0
[INFO] [stderr]     Checking byte_struct v0.9.0
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]  Documenting catnip v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(generic_const_exprs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(generic_const_exprs)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `catnip`
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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 catnip src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="no_std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e8381c41911a3f3b -L dependency=/opt/rustwide/target/debug/deps --extern byte_struct=/opt/rustwide/target/debug/deps/libbyte_struct-ba1b5c3aed152c85.rmeta --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-fa87ef929a986b7f.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-e6a2a0c27a403d56.rmeta --extern ufmt=/opt/rustwide/target/debug/deps/libufmt-83542e82185f5bf3.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "54247f4e975bd206c0f1a900e1fe291df409e9bde80b72d561a0a1424c8c3e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54247f4e975bd206c0f1a900e1fe291df409e9bde80b72d561a0a1424c8c3e53", kill_on_drop: false }`
[INFO] [stdout] 54247f4e975bd206c0f1a900e1fe291df409e9bde80b72d561a0a1424c8c3e53
[INFO] documenting catnip-0.3.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate catnip 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate catnip 0.3.1 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate catnip 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate catnip 0.3.1
[INFO] tweaked toml for crates.io crate catnip 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate catnip 0.3.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aaf6e99c65c1f2599ac6c4edd4bba6e2c4ca31bb8452c20e22fe7eca6cb687ac
[INFO] running `Command { std: "docker" "start" "-a" "aaf6e99c65c1f2599ac6c4edd4bba6e2c4ca31bb8452c20e22fe7eca6cb687ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf6e99c65c1f2599ac6c4edd4bba6e2c4ca31bb8452c20e22fe7eca6cb687ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf6e99c65c1f2599ac6c4edd4bba6e2c4ca31bb8452c20e22fe7eca6cb687ac", kill_on_drop: false }`
[INFO] [stdout] aaf6e99c65c1f2599ac6c4edd4bba6e2c4ca31bb8452c20e22fe7eca6cb687ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cdbfe4501ede10e4f2cd6c11f56ff7bf1cea75730f53737a7b716eb9a997994d
[INFO] running `Command { std: "docker" "start" "-a" "cdbfe4501ede10e4f2cd6c11f56ff7bf1cea75730f53737a7b716eb9a997994d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling byte_struct_derive v0.9.0
[INFO] [stderr]     Checking byte_struct v0.9.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]  Documenting catnip v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(generic_const_exprs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(generic_const_exprs)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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 `catnip`
[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 catnip src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="no_std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5533327db382ea25 -L dependency=/opt/rustwide/target/debug/deps --extern byte_struct=/opt/rustwide/target/debug/deps/libbyte_struct-a6af1fd6afa91bb5.rmeta --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-4a5ff106a9b33242.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-c434cabeec96ace4.rmeta --extern ufmt=/opt/rustwide/target/debug/deps/libufmt-08e2b85568a279b3.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cdbfe4501ede10e4f2cd6c11f56ff7bf1cea75730f53737a7b716eb9a997994d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbfe4501ede10e4f2cd6c11f56ff7bf1cea75730f53737a7b716eb9a997994d", kill_on_drop: false }`
[INFO] [stdout] cdbfe4501ede10e4f2cd6c11f56ff7bf1cea75730f53737a7b716eb9a997994d
