[INFO] fetching crate airlang 0.0.9...
[INFO] documenting airlang-0.0.9 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate airlang 0.0.9 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate airlang 0.0.9 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airlang 0.0.9
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate airlang 0.0.9
[INFO] tweaked toml for crates.io crate airlang 0.0.9 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded rug v1.24.0
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded cast v0.3.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fe6432b315092b259df7d2c087dcc7bd35049a6f1100dad68bdf15788f207cb
[INFO] running `Command { std: "docker" "start" "-a" "5fe6432b315092b259df7d2c087dcc7bd35049a6f1100dad68bdf15788f207cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fe6432b315092b259df7d2c087dcc7bd35049a6f1100dad68bdf15788f207cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe6432b315092b259df7d2c087dcc7bd35049a6f1100dad68bdf15788f207cb", kill_on_drop: false }`
[INFO] [stdout] 5fe6432b315092b259df7d2c087dcc7bd35049a6f1100dad68bdf15788f207cb
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4bf794a76b4c6902da9cc845e55d67a8f530d0d95d89a3499cbe44a9033e5e3
[INFO] running `Command { std: "docker" "start" "-a" "e4bf794a76b4c6902da9cc845e55d67a8f530d0d95d89a3499cbe44a9033e5e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rug v1.24.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e4bf794a76b4c6902da9cc845e55d67a8f530d0d95d89a3499cbe44a9033e5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bf794a76b4c6902da9cc845e55d67a8f530d0d95d89a3499cbe44a9033e5e3", kill_on_drop: false }`
[INFO] [stdout] e4bf794a76b4c6902da9cc845e55d67a8f530d0d95d89a3499cbe44a9033e5e3
[INFO] documenting airlang-0.0.9 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate airlang 0.0.9 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate airlang 0.0.9 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airlang 0.0.9
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate airlang 0.0.9
[INFO] tweaked toml for crates.io crate airlang 0.0.9 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-2024-02-10" "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-2024-02-10" "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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a23c3563d479aa6b550eca3d8257a302e8406b96e692f6aed4f6fab7ac23cf
[INFO] running `Command { std: "docker" "start" "-a" "e3a23c3563d479aa6b550eca3d8257a302e8406b96e692f6aed4f6fab7ac23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a23c3563d479aa6b550eca3d8257a302e8406b96e692f6aed4f6fab7ac23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a23c3563d479aa6b550eca3d8257a302e8406b96e692f6aed4f6fab7ac23cf", kill_on_drop: false }`
[INFO] [stdout] e3a23c3563d479aa6b550eca3d8257a302e8406b96e692f6aed4f6fab7ac23cf
[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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cfd3ee94225900f47200f4a913ddf87dd7a20af5ba615d7011a1df466b00bba
[INFO] running `Command { std: "docker" "start" "-a" "1cfd3ee94225900f47200f4a913ddf87dd7a20af5ba615d7011a1df466b00bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rug v1.24.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]  Documenting airlang v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / #![feature(
[INFO] [stdout] 28 | |     iter_array_chunks,
[INFO] [stdout] 29 | |     iter_advance_by,
[INFO] [stdout] 30 | |     try_trait_v2,
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     variant_count
[INFO] [stdout] 38 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `airlang`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name airlang src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a7584d05d3b04412 -L dependency=/opt/rustwide/target/debug/deps --extern nom=/opt/rustwide/target/debug/deps/libnom-9420aaa427004267.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-b9e86a68ccb4f881.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-c96c6fd33dd019ce.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-20c28a0ef1f73e21.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-6ce7a1734e2f7273.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-59f3dd42ef6254e9.rmeta --cap-lints=warn --crate-version 0.0.9` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1cfd3ee94225900f47200f4a913ddf87dd7a20af5ba615d7011a1df466b00bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfd3ee94225900f47200f4a913ddf87dd7a20af5ba615d7011a1df466b00bba", kill_on_drop: false }`
[INFO] [stdout] 1cfd3ee94225900f47200f4a913ddf87dd7a20af5ba615d7011a1df466b00bba
