[INFO] fetching crate detour 0.8.1...
[INFO] documenting detour-0.8.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate detour 0.8.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate detour 0.8.1 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] started tweaking crates.io crate detour 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate detour 0.8.1
[INFO] tweaked toml for crates.io crate detour 0.8.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate detour 0.8.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mmap-fixed v0.1.5
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded libudis86-sys v0.2.1
[INFO] [stderr]   Downloaded slice-pool v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9259fe2d058246c623ad706782183d75fcd95922302f36d28c7e7e67e9e78e58
[INFO] running `Command { std: "docker" "start" "-a" "9259fe2d058246c623ad706782183d75fcd95922302f36d28c7e7e67e9e78e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9259fe2d058246c623ad706782183d75fcd95922302f36d28c7e7e67e9e78e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9259fe2d058246c623ad706782183d75fcd95922302f36d28c7e7e67e9e78e58", kill_on_drop: false }`
[INFO] [stdout] 9259fe2d058246c623ad706782183d75fcd95922302f36d28c7e7e67e9e78e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/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] 072bba02fde3fcdf6bb067f0c8009cb65892e7ee5c2cf80f8ac573faf4857069
[INFO] running `Command { std: "docker" "start" "-a" "072bba02fde3fcdf6bb067f0c8009cb65892e7ee5c2cf80f8ac573faf4857069", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking slice-pool v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]     Checking mmap-fixed v0.1.5
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]  Documenting detour v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   feature(const_fn_trait_bound, unboxed_closures, abi_thiscall)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[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 `detour`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name detour src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="nightly"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f699270dab96a296 -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-483f5a2788925099.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-ba60e06194a30ace.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5df2f6d503f99433.rmeta --extern udis=/opt/rustwide/target/debug/deps/liblibudis86_sys-b6ba2db511e791d2.rmeta --extern mmap=/opt/rustwide/target/debug/deps/libmmap_fixed-6eec8a35f415676e.rmeta --extern region=/opt/rustwide/target/debug/deps/libregion-21caf5f78b713d46.rmeta --extern slice_pool=/opt/rustwide/target/debug/deps/libslice_pool-dda7d155e87ce2c9.rmeta --cap-lints=warn --crate-version 0.8.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "072bba02fde3fcdf6bb067f0c8009cb65892e7ee5c2cf80f8ac573faf4857069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072bba02fde3fcdf6bb067f0c8009cb65892e7ee5c2cf80f8ac573faf4857069", kill_on_drop: false }`
[INFO] [stdout] 072bba02fde3fcdf6bb067f0c8009cb65892e7ee5c2cf80f8ac573faf4857069
