[INFO] cloning repository https://github.com/jfroy/rrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfroy/rrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b193f068d54d9c3c954e50e59be14cef13dcb27
[INFO] documenting jfroy/rrt against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfroy%2Frrt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfroy/rrt on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jfroy/rrt
[INFO] finished tweaking git repo https://github.com/jfroy/rrt
[INFO] tweaked toml for git repo https://github.com/jfroy/rrt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jfroy/rrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded ultraviolet v0.9.0
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded flume v0.10.12
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded pbr v1.0.4
[INFO] [stderr]   Downloaded wide v0.7.4
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c394da893a65a4a410cdbc8baaf958dae7514ef6e371baaefe22248967b86633
[INFO] running `Command { std: "docker" "start" "-a" "c394da893a65a4a410cdbc8baaf958dae7514ef6e371baaefe22248967b86633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c394da893a65a4a410cdbc8baaf958dae7514ef6e371baaefe22248967b86633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c394da893a65a4a410cdbc8baaf958dae7514ef6e371baaefe22248967b86633", kill_on_drop: false }`
[INFO] [stdout] c394da893a65a4a410cdbc8baaf958dae7514ef6e371baaefe22248967b86633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80b2063acf1c842fa95911d5d962d087c09595c92853e7383a67a4c933efecaf
[INFO] running `Command { std: "docker" "start" "-a" "80b2063acf1c842fa95911d5d962d087c09595c92853e7383a67a4c933efecaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling palette v0.6.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.7
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking ultraviolet v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling phf_macros v0.9.0
[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 v1.4.1
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]  Documenting rrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn_floating_point_arithmetic)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(platform_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `rrt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name rrt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=81ae328cba8d46cd -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-1bd22f1176b54d7c.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d856d606402c13b0.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-dfd9582048936740.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern palette=/opt/rustwide/target/debug/deps/libpalette-541da5f75abd300d.rmeta --extern pbr=/opt/rustwide/target/debug/deps/libpbr-8624912c8c95828f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-41ee0d7612584584.rmeta --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-a9346927eecf125a.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2f37223772dcc100.rmeta --extern ultraviolet=/opt/rustwide/target/debug/deps/libultraviolet-d153361db3d4e4eb.rmeta --extern wide=/opt/rustwide/target/debug/deps/libwide-8d21c028153ce835.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "80b2063acf1c842fa95911d5d962d087c09595c92853e7383a67a4c933efecaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b2063acf1c842fa95911d5d962d087c09595c92853e7383a67a4c933efecaf", kill_on_drop: false }`
[INFO] [stdout] 80b2063acf1c842fa95911d5d962d087c09595c92853e7383a67a4c933efecaf