[INFO] fetching crate sarc-rs 1.0.0...
[INFO] documenting sarc-rs-1.0.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sarc-rs 1.0.0
[INFO] finished tweaking crates.io crate sarc-rs 1.0.0
[INFO] tweaked toml for crates.io crate sarc-rs 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binwrite v0.2.1
[INFO] [stderr]   Downloaded binwrite_derive v0.2.1
[INFO] [stderr]   Downloaded async_once v0.2.6
[INFO] [stderr]   Downloaded cached_proc_macro v0.13.0
[INFO] [stderr]   Downloaded cached v0.36.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95e9486c4901e3898e681c385f11f5b0068e23ec0e7bcfb2acee8c4a725b4921
[INFO] running `Command { std: "docker" "start" "-a" "95e9486c4901e3898e681c385f11f5b0068e23ec0e7bcfb2acee8c4a725b4921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e9486c4901e3898e681c385f11f5b0068e23ec0e7bcfb2acee8c4a725b4921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e9486c4901e3898e681c385f11f5b0068e23ec0e7bcfb2acee8c4a725b4921", kill_on_drop: false }`
[INFO] [stdout] 95e9486c4901e3898e681c385f11f5b0068e23ec0e7bcfb2acee8c4a725b4921
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a23d71e9dec873b63b1f198dd97eab93eb459200e03af4e54dfe675ebfe189
[INFO] running `Command { std: "docker" "start" "-a" "43a23d71e9dec873b63b1f198dd97eab93eb459200e03af4e54dfe675ebfe189", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.13.0
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking cached v0.36.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]  Documenting sarc-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_slice_index)]
[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 `sarc-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sarc_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0501a66d50f084e2 -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-b31f99019c771fb2.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-ef55cc0055fc830f.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-f54fc2a01a5f1a1c.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-c1c6a9d4ebf7eb76.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-bdf591daed74bd6f.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-cfb04597ab80527c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0bc9d1a5d13f66c2.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a9d17892bdab6ec5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ef8ec6e81891414c.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "43a23d71e9dec873b63b1f198dd97eab93eb459200e03af4e54dfe675ebfe189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a23d71e9dec873b63b1f198dd97eab93eb459200e03af4e54dfe675ebfe189", kill_on_drop: false }`
[INFO] [stdout] 43a23d71e9dec873b63b1f198dd97eab93eb459200e03af4e54dfe675ebfe189
