[INFO] fetching crate librashader-presets 0.1.4...
[INFO] documenting librashader-presets-0.1.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate librashader-presets 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate librashader-presets 0.1.4 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 librashader-presets 0.1.4
[INFO] finished tweaking crates.io crate librashader-presets 0.1.4
[INFO] tweaked toml for crates.io crate librashader-presets 0.1.4 written to /workspace/builds/worker-4-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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded librashader-common v0.1.4
[INFO] [stderr]   Downloaded nom_locate v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cf095a7651936fab98f9fa8b62c14c5684c8ad54d3361a2f921695ca7dc219
[INFO] running `Command { std: "docker" "start" "-a" "74cf095a7651936fab98f9fa8b62c14c5684c8ad54d3361a2f921695ca7dc219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cf095a7651936fab98f9fa8b62c14c5684c8ad54d3361a2f921695ca7dc219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cf095a7651936fab98f9fa8b62c14c5684c8ad54d3361a2f921695ca7dc219", kill_on_drop: false }`
[INFO] [stdout] 74cf095a7651936fab98f9fa8b62c14c5684c8ad54d3361a2f921695ca7dc219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/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] a3967bb6e8f84e3df0dfe5fc49f5be2646302b2b057d032a9542c258f95947c6
[INFO] running `Command { std: "docker" "start" "-a" "a3967bb6e8f84e3df0dfe5fc49f5be2646302b2b057d032a9542c258f95947c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking librashader-common v0.1.4
[INFO] [stderr]     Checking nom_locate v4.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]  Documenting librashader-presets v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(drain_filter)]
[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 `librashader-presets`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name librashader_presets src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=acd0ab3b94ce9c5a -L dependency=/opt/rustwide/target/debug/deps --extern librashader_common=/opt/rustwide/target/debug/deps/liblibrashader_common-145b0806e882d988.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-4211dd5462b38264.rmeta --extern nom_locate=/opt/rustwide/target/debug/deps/libnom_locate-72fe8be68824d0a8.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3906fe4936ddc04f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b839f3f80c6bc09b.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a3967bb6e8f84e3df0dfe5fc49f5be2646302b2b057d032a9542c258f95947c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3967bb6e8f84e3df0dfe5fc49f5be2646302b2b057d032a9542c258f95947c6", kill_on_drop: false }`
[INFO] [stdout] a3967bb6e8f84e3df0dfe5fc49f5be2646302b2b057d032a9542c258f95947c6
