[INFO] fetching crate ugrad 0.1.0...
[INFO] documenting ugrad-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate ugrad 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ugrad 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-6-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defer v0.1.0
[INFO] [stderr]   Downloaded daggy v0.8.0
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded wgpu-types v0.15.1
[INFO] [stderr]   Downloaded wgpu v0.15.1
[INFO] [stderr]   Downloaded wgpu-core v0.15.1
[INFO] [stderr]   Downloaded wgpu-hal v0.15.2
[INFO] [stderr]   Downloaded curl-sys v0.4.60+curl-7.88.1
[INFO] [stderr]   Downloaded mnist v0.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3b15888d71015e9cfd6f5f36c297d5792285d349512ff466c558619c92c3bce
[INFO] running `Command { std: "docker" "start" "-a" "e3b15888d71015e9cfd6f5f36c297d5792285d349512ff466c558619c92c3bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b15888d71015e9cfd6f5f36c297d5792285d349512ff466c558619c92c3bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b15888d71015e9cfd6f5f36c297d5792285d349512ff466c558619c92c3bce", kill_on_drop: false }`
[INFO] [stdout] e3b15888d71015e9cfd6f5f36c297d5792285d349512ff466c558619c92c3bce
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94d397234f6ceedab42bdcd4dba3dd11821dfb1bbea8e88fbc7f0c29ddc23b6d
[INFO] running `Command { std: "docker" "start" "-a" "94d397234f6ceedab42bdcd4dba3dd11821dfb1bbea8e88fbc7f0c29ddc23b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[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 serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking glow v0.12.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking gpu-descriptor v0.2.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking env_logger v0.10.0
[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 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[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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 `ugrad`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/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=0b6ece186489ad6c -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-0600cc8c70e0300a.rmeta --extern daggy=/opt/rustwide/target/debug/deps/libdaggy-1abb01ee988d1d8f.rmeta --extern defer=/opt/rustwide/target/debug/deps/libdefer-aff22ac1f7b1060c.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-1ded9fb68a8a8a56.so --extern dot=/opt/rustwide/target/debug/deps/libdot-7d295f55f265c1e5.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-3789d323d95b2183.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-3514bddba4744bba.rmeta --extern futures_intrusive=/opt/rustwide/target/debug/deps/libfutures_intrusive-74a21c5832c3ba65.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-605afa28d0e0652e.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-591632cc3de5253f.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-a0494d4185542601.rmeta --extern pollster=/opt/rustwide/target/debug/deps/libpollster-db6ed010a0404c0d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11d474ba3f747edf.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-fbb8ce50ea6816c0.rmeta --extern wgpu=/opt/rustwide/target/debug/deps/libwgpu-474746a9a1431b7c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "94d397234f6ceedab42bdcd4dba3dd11821dfb1bbea8e88fbc7f0c29ddc23b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d397234f6ceedab42bdcd4dba3dd11821dfb1bbea8e88fbc7f0c29ddc23b6d", kill_on_drop: false }`
[INFO] [stdout] 94d397234f6ceedab42bdcd4dba3dd11821dfb1bbea8e88fbc7f0c29ddc23b6d
[INFO] documenting ugrad-0.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate ugrad 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ugrad 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-6-tc2/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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac3830ce12e7525cefc44dfef82a00b3a5d61242e3b398f90c9f16a4b6876f3
[INFO] running `Command { std: "docker" "start" "-a" "eac3830ce12e7525cefc44dfef82a00b3a5d61242e3b398f90c9f16a4b6876f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac3830ce12e7525cefc44dfef82a00b3a5d61242e3b398f90c9f16a4b6876f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac3830ce12e7525cefc44dfef82a00b3a5d61242e3b398f90c9f16a4b6876f3", kill_on_drop: false }`
[INFO] [stdout] eac3830ce12e7525cefc44dfef82a00b3a5d61242e3b398f90c9f16a4b6876f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457e8bbb6a6ecd888800f4bf35a9e21017a2e70177ded04a8aeee18399d9fcd9
[INFO] running `Command { std: "docker" "start" "-a" "457e8bbb6a6ecd888800f4bf35a9e21017a2e70177ded04a8aeee18399d9fcd9", 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 serde_derive v1.0.152
[INFO] [stderr]    Compiling libm v0.2.6
[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 lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking glow v0.12.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking gpu-descriptor v0.2.3
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[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 bytemuck v1.13.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking wgpu-types v0.15.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[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[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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 `ugrad`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/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=5ceae6f36eb3aa35 -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-0b52d0ff4d852e18.rmeta --extern daggy=/opt/rustwide/target/debug/deps/libdaggy-b20b15232d60f2e1.rmeta --extern defer=/opt/rustwide/target/debug/deps/libdefer-1d8bfbee95db5f49.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-839074175f4143f4.so --extern dot=/opt/rustwide/target/debug/deps/libdot-efe10ed58c491bba.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-0ac400dc6b096271.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-079e870de23ee06b.rmeta --extern futures_intrusive=/opt/rustwide/target/debug/deps/libfutures_intrusive-c32f90be95d576fc.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-9a4a62790830b818.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-10792ac5e19080af.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-cef9b65c43351a11.rmeta --extern pollster=/opt/rustwide/target/debug/deps/libpollster-b45295ca7c0e30cb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3742c833939ef538.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-f53fa716b7d2fc82.rmeta --extern wgpu=/opt/rustwide/target/debug/deps/libwgpu-2e0b788d07069398.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "457e8bbb6a6ecd888800f4bf35a9e21017a2e70177ded04a8aeee18399d9fcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457e8bbb6a6ecd888800f4bf35a9e21017a2e70177ded04a8aeee18399d9fcd9", kill_on_drop: false }`
[INFO] [stdout] 457e8bbb6a6ecd888800f4bf35a9e21017a2e70177ded04a8aeee18399d9fcd9
