[INFO] fetching crate candle-pyo3 0.9.2-alpha.1...
[INFO] checking candle-pyo3-0.9.2-alpha.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate candle-pyo3 0.9.2-alpha.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate candle-pyo3 0.9.2-alpha.1
[INFO] finished tweaking crates.io crate candle-pyo3 0.9.2-alpha.1
[INFO] tweaked toml for crates.io crate candle-pyo3 0.9.2-alpha.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate candle-pyo3 0.9.2-alpha.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate candle-pyo3 0.9.2-alpha.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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bee4f89f3354b52dda7cd4c4f5433c5d6cdce8a823b2a18f54fd74f57629589
[INFO] running `Command { std: "docker" "start" "-a" "2bee4f89f3354b52dda7cd4c4f5433c5d6cdce8a823b2a18f54fd74f57629589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bee4f89f3354b52dda7cd4c4f5433c5d6cdce8a823b2a18f54fd74f57629589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bee4f89f3354b52dda7cd4c4f5433c5d6cdce8a823b2a18f54fd74f57629589", kill_on_drop: false }`
[INFO] [stdout] 2bee4f89f3354b52dda7cd4c4f5433c5d6cdce8a823b2a18f54fd74f57629589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d96d8952d7932670d926e9f0bf1706c06cbe103501442621bf60887daa15823
[INFO] running `Command { std: "docker" "start" "-a" "0d96d8952d7932670d926e9f0bf1706c06cbe103501442621bf60887daa15823", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling zip v1.1.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]    Compiling candle-pyo3 v0.9.2-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking dyn-stack v0.13.2
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking num_enum v0.7.5
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking pulp v0.21.5
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking safetensors v0.4.5
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking gemm-common v0.18.2
[INFO] [stderr]     Checking float8 v0.4.2
[INFO] [stderr]     Checking gemm-f32 v0.18.2
[INFO] [stderr]     Checking gemm-c64 v0.18.2
[INFO] [stderr]     Checking gemm-f64 v0.18.2
[INFO] [stderr]     Checking gemm-c32 v0.18.2
[INFO] [stderr]     Checking gemm-f16 v0.18.2
[INFO] [stderr]     Checking gemm v0.18.2
[INFO] [stderr]     Checking ug v0.5.0
[INFO] [stderr]     Checking candle-core v0.9.2-alpha.1
[INFO] [stderr]     Checking candle-nn v0.9.2-alpha.1
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:934:32
[INFO] [stdout]     |
[INFO] [stdout] 934 |     fn is_contiguous(&self) -> bool {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:940:40
[INFO] [stdout]     |
[INFO] [stdout] 940 |     fn is_fortran_contiguous(&self) -> bool {
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyTensor, Infallible>
[INFO] [stdout]    --> src/lib.rs:946:25
[INFO] [stdout]     |
[INFO] [stdout] 946 |     fn detach(&self) -> Self {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1474:27
[INFO] [stdout]      |
[INFO] [stdout] 1474 | fn cuda_is_available() -> bool {
[INFO] [stdout]      |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1481:24
[INFO] [stdout]      |
[INFO] [stdout] 1481 | fn has_accelerate() -> bool {
[INFO] [stdout]      |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1488:17
[INFO] [stdout]      |
[INFO] [stdout] 1488 | fn has_mkl() -> bool {
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]     --> src/lib.rs:1495:25
[INFO] [stdout]      |
[INFO] [stdout] 1495 | fn get_num_threads() -> usize {
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:934:32
[INFO] [stdout]     |
[INFO] [stdout] 934 |     fn is_contiguous(&self) -> bool {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:940:40
[INFO] [stdout]     |
[INFO] [stdout] 940 |     fn is_fortran_contiguous(&self) -> bool {
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyTensor, Infallible>
[INFO] [stdout]    --> src/lib.rs:946:25
[INFO] [stdout]     |
[INFO] [stdout] 946 |     fn detach(&self) -> Self {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1474:27
[INFO] [stdout]      |
[INFO] [stdout] 1474 | fn cuda_is_available() -> bool {
[INFO] [stdout]      |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1481:24
[INFO] [stdout]      |
[INFO] [stdout] 1481 | fn has_accelerate() -> bool {
[INFO] [stdout]      |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `candle-pyo3` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]     --> src/lib.rs:1488:17
[INFO] [stdout]      |
[INFO] [stdout] 1488 | fn has_mkl() -> bool {
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]     --> src/lib.rs:1495:25
[INFO] [stdout]      |
[INFO] [stdout] 1495 | fn get_num_threads() -> usize {
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `candle-pyo3` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d96d8952d7932670d926e9f0bf1706c06cbe103501442621bf60887daa15823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d96d8952d7932670d926e9f0bf1706c06cbe103501442621bf60887daa15823", kill_on_drop: false }`
[INFO] [stdout] 0d96d8952d7932670d926e9f0bf1706c06cbe103501442621bf60887daa15823
