[INFO] fetching crate spirv-std 0.4.0-alpha.12...
[INFO] documenting spirv-std-0.4.0-alpha.12 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate spirv-std 0.4.0-alpha.12 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate spirv-std 0.4.0-alpha.12 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] started tweaking crates.io crate spirv-std 0.4.0-alpha.12
[INFO] finished tweaking crates.io crate spirv-std 0.4.0-alpha.12
[INFO] tweaked toml for crates.io crate spirv-std 0.4.0-alpha.12 written to /workspace/builds/worker-21/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] [stderr]     Blocking waiting for file lock on package cache
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] [stdout] 9a1fb43a0b7dd72f7417319a6e60e6a3a9bb1207c5f04bc797671e8b31cc4de6
[INFO] running `Command { std: "docker" "start" "-a" "9a1fb43a0b7dd72f7417319a6e60e6a3a9bb1207c5f04bc797671e8b31cc4de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1fb43a0b7dd72f7417319a6e60e6a3a9bb1207c5f04bc797671e8b31cc4de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1fb43a0b7dd72f7417319a6e60e6a3a9bb1207c5f04bc797671e8b31cc4de6", kill_on_drop: false }`
[INFO] [stdout] 9a1fb43a0b7dd72f7417319a6e60e6a3a9bb1207c5f04bc797671e8b31cc4de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] [stdout] a8b93ae3679be33a2a0bd83af34018ac010e188b7297a25bc0430fef950955e4
[INFO] running `Command { std: "docker" "start" "-a" "a8b93ae3679be33a2a0bd83af34018ac010e188b7297a25bc0430fef950955e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling spirv-types v0.4.0-alpha.12
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling spirv-std-macros v0.4.0-alpha.12
[INFO] [stderr]  Documenting spirv-std v0.4.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(const_generics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `spirv-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name spirv_std src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=054fb4ec0951c270 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-dc27a18cd0110efa.rmeta --extern spirv_std_macros=/opt/rustwide/target/debug/deps/libspirv_std_macros-fcff62f957f9e2f9.so --extern spirv_types=/opt/rustwide/target/debug/deps/libspirv_types-333a09a2d4661202.rmeta --cap-lints=warn --crate-version 0.4.0-alpha.12` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a8b93ae3679be33a2a0bd83af34018ac010e188b7297a25bc0430fef950955e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b93ae3679be33a2a0bd83af34018ac010e188b7297a25bc0430fef950955e4", kill_on_drop: false }`
[INFO] [stdout] a8b93ae3679be33a2a0bd83af34018ac010e188b7297a25bc0430fef950955e4