[INFO] fetching crate faer_gmres 0.5.0... [INFO] checking faer_gmres-0.5.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-2 [INFO] extracting crate faer_gmres 0.5.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate faer_gmres 0.5.0 [INFO] finished tweaking crates.io crate faer_gmres 0.5.0 [INFO] tweaked toml for crates.io crate faer_gmres 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate faer_gmres 0.5.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate faer_gmres 0.5.0 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pulp-wasm-simd-flag v0.1.0 [INFO] [stderr] Downloaded faer-traits v0.24.0 [INFO] [stderr] Downloaded qd v0.8.0 [INFO] [stderr] Downloaded assert_approx_eq v1.1.0 [INFO] [stderr] Downloaded gemm-c32 v0.19.0 [INFO] [stderr] Downloaded gemm-f16 v0.19.0 [INFO] [stderr] Downloaded nano-gemm-c32 v0.2.1 [INFO] [stderr] Downloaded equator v0.6.0 [INFO] [stderr] Downloaded equator-macro v0.6.0 [INFO] [stderr] Downloaded gemm-common v0.19.0 [INFO] [stderr] Downloaded gemm v0.19.0 [INFO] [stderr] Downloaded private-gemm-x86 v0.1.20 [INFO] [stderr] Downloaded gemm-c64 v0.19.0 [INFO] [stderr] Downloaded pulp v0.22.2 [INFO] [stderr] Downloaded gemm-f32 v0.19.0 [INFO] [stderr] Downloaded nano-gemm-c64 v0.2.1 [INFO] [stderr] Downloaded nano-gemm-core v0.2.1 [INFO] [stderr] Downloaded generator v0.8.4 [INFO] [stderr] Downloaded gemm-f64 v0.19.0 [INFO] [stderr] Downloaded nano-gemm-f32 v0.2.1 [INFO] [stderr] Downloaded nano-gemm v0.2.2 [INFO] [stderr] Downloaded spindle v0.2.6 [INFO] [stderr] Downloaded nano-gemm-f64 v0.2.1 [INFO] [stderr] Downloaded nano-gemm-codegen v0.2.1 [INFO] [stderr] Downloaded faer v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22f5bb12bf25e315f618ce6955e2b4dd2da6becc5e09cd0bf821e41efa9c7e7c [INFO] running `Command { std: "docker" "start" "-a" "22f5bb12bf25e315f618ce6955e2b4dd2da6becc5e09cd0bf821e41efa9c7e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22f5bb12bf25e315f618ce6955e2b4dd2da6becc5e09cd0bf821e41efa9c7e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22f5bb12bf25e315f618ce6955e2b4dd2da6becc5e09cd0bf821e41efa9c7e7c", kill_on_drop: false }` [INFO] [stdout] 22f5bb12bf25e315f618ce6955e2b4dd2da6becc5e09cd0bf821e41efa9c7e7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42cb1289999af3209f9da38d7b810804d5fbfeb6f6ceb41f905877e54b2ff866 [INFO] running `Command { std: "docker" "start" "-a" "42cb1289999af3209f9da38d7b810804d5fbfeb6f6ceb41f905877e54b2ff866", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Checking bytemuck v1.24.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling nano-gemm-codegen v0.2.1 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking raw-cpuid v11.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling pulp v0.22.2 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking reborrow v0.5.5 [INFO] [stderr] Checking pulp-wasm-simd-flag v0.1.0 [INFO] [stderr] Compiling dyn-stack-macros v0.1.3 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Checking dyn-stack v0.13.2 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling seq-macro v0.3.6 [INFO] [stderr] Checking nano-gemm-core v0.2.1 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Compiling nano-gemm-f64 v0.2.1 [INFO] [stderr] Compiling nano-gemm-c32 v0.2.1 [INFO] [stderr] Compiling nano-gemm-c64 v0.2.1 [INFO] [stderr] Compiling nano-gemm-f32 v0.2.1 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling defer v0.2.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking atomic-wait v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling equator-macro v0.6.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Checking equator v0.4.2 [INFO] 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nano-gemm v0.2.2 [INFO] [stderr] Checking faer v0.24.0 [INFO] [stderr] Checking faer_gmres v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `faer::sparse::*` [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use faer::sparse::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `faer::reborrow::*` [INFO] [stdout] --> src/lib.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | use faer::reborrow::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `faer::reborrow::*` [INFO] [stdout] --> src/lib.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | use faer::reborrow::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/lib.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | out: MatMut<'_, T>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> src/lib.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | rhs: MatRef<'_, T>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parallelism` [INFO] [stdout] --> src/lib.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | parallelism: Par, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parallelism` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/lib.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | stack: &mut MemStack, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:220:61 [INFO] [stdout] | [INFO] [stdout] 220 | zip!(qv.col_mut(0), q.rb().col(i)).for_each(|unzip!(mut y, x)| *y = *y - r * *x); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:191:5 [INFO] [stdout] | [INFO] [stdout] 191 | mut q: MatMut, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/lib.rs:344:21 [INFO] [stdout] | [INFO] [stdout] 344 | let mut iters = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tol` and `msg` are never read [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct GmresError [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 52 | tol: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GmresError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/lib.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | mut H: MatMut, [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/lib.rs:310:9 [INFO] [stdout] | [INFO] [stdout] 310 | let H = hs.get(0..k_iters, 0..k_iters); [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/lib.rs:311:9 [INFO] [stdout] | [INFO] [stdout] 311 | let V = qs.get(0..n, 0..k_iters); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/lib.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | out: MatMut<'_, T>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> src/lib.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | rhs: MatRef<'_, T>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parallelism` [INFO] [stdout] --> src/lib.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | parallelism: Par, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parallelism` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/lib.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | stack: &mut MemStack, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:220:61 [INFO] [stdout] | [INFO] [stdout] 220 | zip!(qv.col_mut(0), q.rb().col(i)).for_each(|unzip!(mut y, x)| *y = *y - r * *x); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:191:5 [INFO] [stdout] | [INFO] [stdout] 191 | mut q: MatMut, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iters` is never read [INFO] [stdout] --> src/lib.rs:344:21 [INFO] [stdout] | [INFO] [stdout] 344 | let mut iters = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 53s [INFO] [stdout] warning: fields `tol` and `msg` are never read [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct GmresError [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 52 | tol: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GmresError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/lib.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | mut H: MatMut, [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/lib.rs:310:9 [INFO] [stdout] | [INFO] [stdout] 310 | let H = hs.get(0..k_iters, 0..k_iters); [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/lib.rs:311:9 [INFO] [stdout] | [INFO] [stdout] 311 | let V = qs.get(0..n, 0..k_iters); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "42cb1289999af3209f9da38d7b810804d5fbfeb6f6ceb41f905877e54b2ff866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42cb1289999af3209f9da38d7b810804d5fbfeb6f6ceb41f905877e54b2ff866", kill_on_drop: false }` [INFO] [stdout] 42cb1289999af3209f9da38d7b810804d5fbfeb6f6ceb41f905877e54b2ff866