[INFO] fetching crate sklears-simd 0.1.1...
[INFO] checking sklears-simd-0.1.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate sklears-simd 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sklears-simd 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sklears-simd 0.1.1
[INFO] tweaked toml for crates.io crate sklears-simd 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklears-simd 0.1.1 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sklears-simd 0.1.1 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d00768d5be3eff6bc34b64c6c483638beb956836ccb93960adeffeb955a65e3
[INFO] running `Command { std: "docker" "start" "-a" "7d00768d5be3eff6bc34b64c6c483638beb956836ccb93960adeffeb955a65e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d00768d5be3eff6bc34b64c6c483638beb956836ccb93960adeffeb955a65e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d00768d5be3eff6bc34b64c6c483638beb956836ccb93960adeffeb955a65e3", kill_on_drop: false }`
[INFO] [stdout] 7d00768d5be3eff6bc34b64c6c483638beb956836ccb93960adeffeb955a65e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c34ad10b2a64714a6558ec8c8feca35e9879ecd2e169070358cc89b5c4db80a
[INFO] running `Command { std: "docker" "start" "-a" "5c34ad10b2a64714a6558ec8c8feca35e9879ecd2e169070358cc89b5c4db80a", kill_on_drop: false }`
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[INFO] [stderr]     Checking sklears-core v0.1.1
[INFO] [stderr]     Checking sklears-simd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `GpuContext` is never constructed
[INFO] [stdout]   --> src/gpu.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct GpuContext {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GpuStream` is never constructed
[INFO] [stdout]   --> src/gpu.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct GpuStream {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `F32x8` is never constructed
[INFO] [stdout]    --> src/vector/intrinsics.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct F32x8 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `F32x16` is never constructed
[INFO] [stdout]    --> src/vector/intrinsics.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct F32x16 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sklears-simd` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `GpuContext` is never constructed
[INFO] [stdout]   --> src/gpu.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct GpuContext {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GpuStream` is never constructed
[INFO] [stdout]   --> src/gpu.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct GpuStream {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `F32x8` is never constructed
[INFO] [stdout]    --> src/vector/intrinsics.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub struct F32x8 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `F32x16` is never constructed
[INFO] [stdout]    --> src/vector/intrinsics.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct F32x16 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sklears-simd` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5c34ad10b2a64714a6558ec8c8feca35e9879ecd2e169070358cc89b5c4db80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c34ad10b2a64714a6558ec8c8feca35e9879ecd2e169070358cc89b5c4db80a", kill_on_drop: false }`
[INFO] [stdout] 5c34ad10b2a64714a6558ec8c8feca35e9879ecd2e169070358cc89b5c4db80a
