[INFO] fetching crate cxc 0.3.1...
[INFO] documenting cxc-0.3.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate cxc 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cxc 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] started tweaking crates.io crate cxc 0.3.1
[INFO] finished tweaking crates.io crate cxc 0.3.1
[INFO] tweaked toml for crates.io crate cxc 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cxc 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 llvm-sys v150.0.5
[INFO] [stderr]   Downloaded fallible-iterator v0.3.0
[INFO] [stderr]   Downloaded cxc_derive v0.2.0
[INFO] [stderr]   Downloaded cranelift-jit v0.101.3
[INFO] [stderr]   Downloaded passable v1.0.0
[INFO] [stderr]   Downloaded inkwell_internals v0.8.0
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.101.3
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded cranelift-native v0.101.3
[INFO] [stderr]   Downloaded cranelift-module v0.101.3
[INFO] [stderr]   Downloaded regalloc2 v0.9.3
[INFO] [stderr]   Downloaded inkwell v0.2.0
[INFO] [stderr]   Downloaded cranelift-isle v0.101.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.101.3
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v14.0.3
[INFO] [stderr]   Downloaded cranelift-control v0.101.3
[INFO] [stderr]   Downloaded cranelift v0.101.3
[INFO] [stderr]   Downloaded cranelift-bforest v0.101.3
[INFO] [stderr]   Downloaded cranelift-entity v0.101.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.101.3
[INFO] [stderr]   Downloaded cranelift-codegen v0.101.3
[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] 36173680a562b54d1f75fd8c85b478a1d10db8e9f8b3c5b7b26813c159b15d5b
[INFO] running `Command { std: "docker" "start" "-a" "36173680a562b54d1f75fd8c85b478a1d10db8e9f8b3c5b7b26813c159b15d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36173680a562b54d1f75fd8c85b478a1d10db8e9f8b3c5b7b26813c159b15d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36173680a562b54d1f75fd8c85b478a1d10db8e9f8b3c5b7b26813c159b15d5b", kill_on_drop: false }`
[INFO] [stdout] 36173680a562b54d1f75fd8c85b478a1d10db8e9f8b3c5b7b26813c159b15d5b
[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] 65b2876316be07c3e0b001e1c4b616e74cc561a311a4ece0a6a78890eea7f469
[INFO] running `Command { std: "docker" "start" "-a" "65b2876316be07c3e0b001e1c4b616e74cc561a311a4ece0a6a78890eea7f469", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling cranelift-isle v0.101.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.101.3
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking cranelift-entity v0.101.3
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking bumpalo v3.12.2
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.101.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking cranelift-bforest v0.101.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking passable v1.0.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking cranelift-control v0.101.3
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking regalloc2 v0.9.3
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v14.0.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]    Compiling cranelift-codegen v0.101.3
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling cxc_derive v0.2.0
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking cranelift-module v0.101.3
[INFO] [stderr]     Checking cranelift-native v0.101.3
[INFO] [stderr]     Checking cranelift-frontend v0.101.3
[INFO] [stderr]     Checking cranelift-jit v0.101.3
[INFO] [stderr]     Checking cranelift v0.101.3
[INFO] [stderr]  Documenting cxc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cxc 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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_name_of_val)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(let_chains)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(if_let_guard)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(unboxed_closures)]
[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:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(fn_traits)]
[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:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(tuple_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:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(exclusive_range_pattern)]
[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:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(concat_idents)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_name_of_val)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(let_chains)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(if_let_guard)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(unboxed_closures)]
[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:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(fn_traits)]
[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:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(tuple_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:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(exclusive_range_pattern)]
[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:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(concat_idents)]
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_name_of_val)]
[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:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[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:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(fn_traits)]
[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:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(tuple_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:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(concat_idents)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 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 `cxc`
[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 cxc src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="backend-cranelift"' --cfg 'feature="cranelift"' --cfg 'feature="cranelift-jit"' --cfg 'feature="cranelift-module"' --cfg 'feature="cranelift-native"' --cfg 'feature="default"' --cfg 'feature="ffi-assertions"' --cfg 'feature="region"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4b961075aee89bdf -L dependency=/opt/rustwide/target/debug/deps --extern cranelift=/opt/rustwide/target/debug/deps/libcranelift-75fe6896665146cc.rmeta --extern cranelift_jit=/opt/rustwide/target/debug/deps/libcranelift_jit-7b93aeaee1216e9d.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-665470e91ada3c4c.rmeta --extern cranelift_native=/opt/rustwide/target/debug/deps/libcranelift_native-6eb2a8e7035416de.rmeta --extern cxc_derive=/opt/rustwide/target/debug/deps/libcxc_derive-6990809f370cd5d5.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-58405e37aead09da.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-d59ca998d90d70a7.rmeta --extern passable=/opt/rustwide/target/debug/deps/libpassable-249d9248aaebd5e3.rmeta --extern region=/opt/rustwide/target/debug/deps/libregion-c56faf568660ecd0.rmeta --extern slotmap=/opt/rustwide/target/debug/deps/libslotmap-94ca48f69d807f75.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 14 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 compile `cxc` (lib) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "65b2876316be07c3e0b001e1c4b616e74cc561a311a4ece0a6a78890eea7f469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b2876316be07c3e0b001e1c4b616e74cc561a311a4ece0a6a78890eea7f469", kill_on_drop: false }`
[INFO] [stdout] 65b2876316be07c3e0b001e1c4b616e74cc561a311a4ece0a6a78890eea7f469
