[INFO] fetching crate ugrad 0.1.0...
[INFO] testing ugrad-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate ugrad 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ugrad 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded defer v0.1.0
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded wgpu-types v0.15.1
[INFO] [stderr]   Downloaded pollster v0.3.0
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be1e01f9f36609f74a1f2de6107bb4af1d803a77f093b6b894cc48931908419c
[INFO] running `Command { std: "docker" "start" "-a" "be1e01f9f36609f74a1f2de6107bb4af1d803a77f093b6b894cc48931908419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1e01f9f36609f74a1f2de6107bb4af1d803a77f093b6b894cc48931908419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1e01f9f36609f74a1f2de6107bb4af1d803a77f093b6b894cc48931908419c", kill_on_drop: false }`
[INFO] [stdout] be1e01f9f36609f74a1f2de6107bb4af1d803a77f093b6b894cc48931908419c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06d9a4a83d4e421c3a83e789d3571a039241ce34cae358690c6c22dea2df089a
[INFO] running `Command { std: "docker" "start" "-a" "06d9a4a83d4e421c3a83e789d3571a039241ce34cae358690c6c22dea2df089a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
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[INFO] [stderr]    Compiling wgpu-core v0.15.1
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[INFO] [stderr]    Compiling 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] warning: unused imports: `ShapeBuilder`, `StrideShape`
[INFO] [stdout]  --> src/back/wgpu.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{ArcArray, IxDyn, ShapeBuilder, StrideShape};
[INFO] [stdout]   |                                ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinOp`, `RedOp`, `UnOp`
[INFO] [stdout]  --> src/eval/mod.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ten::{BinOp, ParamId, RedOp, Shape, Tensor, TensorOps, UnOp};
[INFO] [stdout]   |                  ^^^^^           ^^^^^                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayD`
[INFO] [stdout]  --> src/eval/mod.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::{ArcArray, ArrayBase, ArrayD, IxDyn, OwnedArcRepr};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `defer::defer`
[INFO] [stdout]  --> src/optim/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use defer::defer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferT`
[INFO] [stdout]  --> src/optim/mod.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::back::{Backend, BufferT};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::IxDyn`
[INFO] [stdout]  --> src/ten/ops.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::IxDyn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `Add`, `BitAndAssign`, `BitAnd`, `BitOrAssign`, `BitOr`, `DivAssign`, `Div`, `Index`, `MulAssign`, `Mul`, `Neg`, `RangeBounds`, `SubAssign`, `Sub`
[INFO] [stdout]   --> src/ten/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Add, AddAssign, BitAnd, BitAndAssign, BitOr, BitOrAssign, Div, DivAssign, Index, Mul,
[INFO] [stdout]    |     ^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^^^  ^^^
[INFO] [stdout] 14 |     MulAssign, Neg, RangeBounds, Sub, SubAssign,
[INFO] [stdout]    |     ^^^^^^^^^  ^^^  ^^^^^^^^^^^  ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]   --> src/main.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::back::{wgpu::WgpuBackend, Backend, BufferT};
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Optimizer`, `SGD`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::optim::{Optimizer, SGD};
[INFO] [stdout]    |                    ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Axis`, `StrideShape`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use ndarray::{Axis, StrideShape};
[INFO] [stdout]    |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher`, `Hash`, `Hasher`
[INFO] [stdout]   --> src/main.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `DerefMut`, `Mul`, `Neg`
[INFO] [stdout]   --> src/main.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::ops::{Add, DerefMut, Mul, Neg};
[INFO] [stdout]    |                ^^^  ^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[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 beta release channel
[INFO] [stdout]  --> src/main.rs:3:12
[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 beta release channel
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(map_many_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferT`
[INFO] [stdout]   --> src/main.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::back::{wgpu::WgpuBackend, Backend, BufferT};
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ugrad` (bin "ugrad") due to 5 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "06d9a4a83d4e421c3a83e789d3571a039241ce34cae358690c6c22dea2df089a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d9a4a83d4e421c3a83e789d3571a039241ce34cae358690c6c22dea2df089a", kill_on_drop: false }`
[INFO] [stdout] 06d9a4a83d4e421c3a83e789d3571a039241ce34cae358690c6c22dea2df089a
