[INFO] fetching crate conflag 0.1.1...
[INFO] documenting conflag-0.1.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate conflag 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate conflag 0.1.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate conflag 0.1.1
[INFO] finished tweaking crates.io crate conflag 0.1.1
[INFO] tweaked toml for crates.io crate conflag 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate conflag 0.1.1 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.18.2
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.2
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.2
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded pyo3 v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c27bdd911fae0529304b4310abc5e43d9a27a4ef96f11fd03b4f262b0f3198b
[INFO] running `Command { std: "docker" "start" "-a" "4c27bdd911fae0529304b4310abc5e43d9a27a4ef96f11fd03b4f262b0f3198b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c27bdd911fae0529304b4310abc5e43d9a27a4ef96f11fd03b4f262b0f3198b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c27bdd911fae0529304b4310abc5e43d9a27a4ef96f11fd03b4f262b0f3198b", kill_on_drop: false }`
[INFO] [stdout] 4c27bdd911fae0529304b4310abc5e43d9a27a4ef96f11fd03b4f262b0f3198b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8082e2aa81d227960b62786c5dbf7dfb5fb8042712e0605e3e98563915077f3f
[INFO] running `Command { std: "docker" "start" "-a" "8082e2aa81d227960b62786c5dbf7dfb5fb8042712e0605e3e98563915077f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pest v2.5.6
[INFO] [stderr]    Compiling pest_meta v2.5.6
[INFO] [stderr]    Compiling pest_generator v2.5.6
[INFO] [stderr]    Compiling pest_derive v2.5.6
[INFO] [stderr]  Documenting conflag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assert_matches)]
[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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `conflag`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type rlib --crate-type cdylib --crate-name conflag src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=922ac63adea56073 -L dependency=/opt/rustwide/target/debug/deps --extern pest=/opt/rustwide/target/debug/deps/libpest-3215e215fb9e8d85.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-eda0e5201c696874.so --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8082e2aa81d227960b62786c5dbf7dfb5fb8042712e0605e3e98563915077f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8082e2aa81d227960b62786c5dbf7dfb5fb8042712e0605e3e98563915077f3f", kill_on_drop: false }`
[INFO] [stdout] 8082e2aa81d227960b62786c5dbf7dfb5fb8042712e0605e3e98563915077f3f
