[INFO] fetching crate ugrad 0.1.0...
[INFO] documenting ugrad-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate ugrad 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ugrad 0.1.0 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 ugrad 0.1.0
[INFO] finished tweaking crates.io crate ugrad 0.1.0
[INFO] tweaked toml for crates.io crate ugrad 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ugrad 0.1.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defer v0.1.0
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded wgpu-types v0.15.1
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded glow v0.12.0
[INFO] [stderr]   Downloaded wgpu-hal v0.15.2
[INFO] [stderr]   Downloaded curl-sys v0.4.60+curl-7.88.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 93ee216ab1a0d5cb7abd29ceca1f40112b2601e6c5cd6fbdac8eb31bedeecd30
[INFO] running `Command { std: "docker" "start" "-a" "93ee216ab1a0d5cb7abd29ceca1f40112b2601e6c5cd6fbdac8eb31bedeecd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ee216ab1a0d5cb7abd29ceca1f40112b2601e6c5cd6fbdac8eb31bedeecd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ee216ab1a0d5cb7abd29ceca1f40112b2601e6c5cd6fbdac8eb31bedeecd30", kill_on_drop: false }`
[INFO] [stdout] 93ee216ab1a0d5cb7abd29ceca1f40112b2601e6c5cd6fbdac8eb31bedeecd30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] efe30991d2d4b9e3a042b860cee65cbaa13675a973f9d6bb5e4a915063bca464
[INFO] running `Command { std: "docker" "start" "-a" "efe30991d2d4b9e3a042b860cee65cbaa13675a973f9d6bb5e4a915063bca464", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking glow v0.12.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking gpu-descriptor v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling bytemuck_derive v1.4.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking wgpu-types v0.15.1
[INFO] [stderr]     Checking ron v0.8.0
[INFO] [stderr]     Checking naga v0.11.0
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]     Checking daggy v0.8.0
[INFO] [stderr]     Checking wgpu-hal v0.15.2
[INFO] [stderr]     Checking wgpu-core v0.15.1
[INFO] [stderr]     Checking wgpu v0.15.1
[INFO] [stderr]  Documenting ugrad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(bound_map)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(map_many_mut)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `ugrad`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name ugrad src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=160c7736ae101947 -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-4058d40ed99b003f.rmeta --extern daggy=/opt/rustwide/target/debug/deps/libdaggy-5b7b8f6b0d41a3a2.rmeta --extern defer=/opt/rustwide/target/debug/deps/libdefer-db5e10b8e80d35c7.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-160a4b363242b9c7.so --extern dot=/opt/rustwide/target/debug/deps/libdot-e6af55bce1996eff.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-234be0ec70cedd79.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-df36d14af7528695.rmeta --extern futures_intrusive=/opt/rustwide/target/debug/deps/libfutures_intrusive-c9ee29fe63b7c507.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3b8bf40c9fe3550b.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-a11b6286e094548e.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-2aa41a476310d066.rmeta --extern pollster=/opt/rustwide/target/debug/deps/libpollster-c54ae5d1ceb41c8f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9e34c1776aa8c6d3.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-24adb220da27e436.rmeta --extern wgpu=/opt/rustwide/target/debug/deps/libwgpu-3bfd40454bfb5fb4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "efe30991d2d4b9e3a042b860cee65cbaa13675a973f9d6bb5e4a915063bca464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe30991d2d4b9e3a042b860cee65cbaa13675a973f9d6bb5e4a915063bca464", kill_on_drop: false }`
[INFO] [stdout] efe30991d2d4b9e3a042b860cee65cbaa13675a973f9d6bb5e4a915063bca464
