[INFO] fetching crate arranged 0.1.2...
[INFO] documenting arranged-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate arranged 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate arranged 0.1.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate arranged 0.1.2
[INFO] finished tweaking crates.io crate arranged 0.1.2
[INFO] tweaked toml for crates.io crate arranged 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "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] 2b9e7ada7019d549f7346b2460778fd276948b68329bf40f2667247e8b30ba50
[INFO] running `Command { std: "docker" "start" "-a" "2b9e7ada7019d549f7346b2460778fd276948b68329bf40f2667247e8b30ba50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9e7ada7019d549f7346b2460778fd276948b68329bf40f2667247e8b30ba50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9e7ada7019d549f7346b2460778fd276948b68329bf40f2667247e8b30ba50", kill_on_drop: false }`
[INFO] [stdout] 2b9e7ada7019d549f7346b2460778fd276948b68329bf40f2667247e8b30ba50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "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] 6f9dcfdcd377d013694fafac16d700ca4d445b45f3ded1ae49abd2905a001477
[INFO] running `Command { std: "docker" "start" "-a" "6f9dcfdcd377d013694fafac16d700ca4d445b45f3ded1ae49abd2905a001477", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking arith_traits v0.2.0
[INFO] [stderr]  Documenting arranged v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(
[INFO] [stdout] 2  | |     associated_type_bounds,
[INFO] [stdout] 3  | |     backtrace,
[INFO] [stdout] 4  | |     const_convert,
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |     unchecked_math
[INFO] [stdout] 14 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `arranged`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name arranged src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=98eee3581c127e77 -L dependency=/opt/rustwide/target/debug/deps --extern arith_traits=/opt/rustwide/target/debug/deps/libarith_traits-47e4f93e4ae667ce.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-a226e5ca9debcf7d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-6e2ef823eae340fd.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7eff894de397b166.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6f9dcfdcd377d013694fafac16d700ca4d445b45f3ded1ae49abd2905a001477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9dcfdcd377d013694fafac16d700ca4d445b45f3ded1ae49abd2905a001477", kill_on_drop: false }`
[INFO] [stdout] 6f9dcfdcd377d013694fafac16d700ca4d445b45f3ded1ae49abd2905a001477