[INFO] cloning repository https://github.com/TheLetterTheta/Buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheLetterTheta/Buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLetterTheta%2FBuddhabrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLetterTheta%2FBuddhabrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dbd3ebfb252ba86dcfa57ded0e5115871f47c8c
[INFO] documenting TheLetterTheta/Buddhabrot against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLetterTheta%2FBuddhabrot" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheLetterTheta/Buddhabrot 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] started tweaking git repo https://github.com/TheLetterTheta/Buddhabrot
[INFO] finished tweaking git repo https://github.com/TheLetterTheta/Buddhabrot
[INFO] tweaked toml for git repo https://github.com/TheLetterTheta/Buddhabrot written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheLetterTheta/Buddhabrot 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded palette_derive v0.6.0
[INFO] [stderr]   Downloaded rug v1.15.0
[INFO] [stderr]   Downloaded clap v3.1.10
[INFO] [stderr]   Downloaded palette v0.6.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.8
[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] dbe9917a39b5fdd3728b9e4c7fd0d5ea1b45fd337fe451de97c30c056f7f8e29
[INFO] running `Command { std: "docker" "start" "-a" "dbe9917a39b5fdd3728b9e4c7fd0d5ea1b45fd337fe451de97c30c056f7f8e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe9917a39b5fdd3728b9e4c7fd0d5ea1b45fd337fe451de97c30c056f7f8e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe9917a39b5fdd3728b9e4c7fd0d5ea1b45fd337fe451de97c30c056f7f8e29", kill_on_drop: false }`
[INFO] [stdout] dbe9917a39b5fdd3728b9e4c7fd0d5ea1b45fd337fe451de97c30c056f7f8e29
[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] bca51450ac3473c63a6da6aaf5933cec4d0473b2550d103910d65845d980f429
[INFO] running `Command { std: "docker" "start" "-a" "bca51450ac3473c63a6da6aaf5933cec4d0473b2550d103910d65845d980f429", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling palette v0.6.0
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]    Compiling rug v1.15.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking jpeg-decoder v0.2.4
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling palette_derive v0.6.0
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking clap v3.1.10
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]  Documenting buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_log)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `buddhabrot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name buddhabrot src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3f6115b23992c831 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-0e65ff7f3094242e.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-6fde7a8bcb8c7f3a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern palette=/opt/rustwide/target/debug/deps/libpalette-63f26756bfa8c0eb.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-0d2ff3919063fe88.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-01933921f00fbf42.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bca51450ac3473c63a6da6aaf5933cec4d0473b2550d103910d65845d980f429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca51450ac3473c63a6da6aaf5933cec4d0473b2550d103910d65845d980f429", kill_on_drop: false }`
[INFO] [stdout] bca51450ac3473c63a6da6aaf5933cec4d0473b2550d103910d65845d980f429
