[INFO] fetching crate faer_gmres 0.3.1... [INFO] checking faer_gmres-0.3.1 against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545 [INFO] extracting crate faer_gmres 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate faer_gmres 0.3.1 [INFO] finished tweaking crates.io crate faer_gmres 0.3.1 [INFO] tweaked toml for crates.io crate faer_gmres 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate faer_gmres 0.3.1 on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate faer_gmres 0.3.1 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46639cb7d1d3cf7e5cefb8a1c6a3e87ae7161dd8c32e1f853927ab2178449bbc [INFO] running `Command { std: "docker" "start" "-a" "46639cb7d1d3cf7e5cefb8a1c6a3e87ae7161dd8c32e1f853927ab2178449bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46639cb7d1d3cf7e5cefb8a1c6a3e87ae7161dd8c32e1f853927ab2178449bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46639cb7d1d3cf7e5cefb8a1c6a3e87ae7161dd8c32e1f853927ab2178449bbc", kill_on_drop: false }` [INFO] [stdout] 46639cb7d1d3cf7e5cefb8a1c6a3e87ae7161dd8c32e1f853927ab2178449bbc [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f63e7f1f9aebb17a1bfec66d0ccd2d598c5bb61aa863335497c3ecbe716fb47 [INFO] running `Command { std: "docker" "start" "-a" "7f63e7f1f9aebb17a1bfec66d0ccd2d598c5bb61aa863335497c3ecbe716fb47", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libm v0.2.13 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking bytemuck v1.22.0 [INFO] [stderr] Compiling nano-gemm-codegen v0.1.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking reborrow v0.5.5 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling seq-macro v0.3.6 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Checking raw-cpuid v11.5.0 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking dyn-stack v0.13.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pulp v0.21.4 [INFO] [stderr] Checking nano-gemm-core v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling defer v0.2.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking generativity v1.1.0 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Compiling nano-gemm-c32 v0.1.0 [INFO] [stderr] Compiling nano-gemm-c64 v0.1.0 [INFO] [stderr] Compiling nano-gemm-f32 v0.1.0 [INFO] [stderr] Compiling nano-gemm-f64 v0.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking atomic-wait v1.1.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling interpol v0.2.1 [INFO] [stderr] Compiling private-gemm-x86 v0.1.11 [INFO] [stderr] Checking gemm-common v0.18.2 [INFO] [stderr] Checking qd v0.7.3 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling equator-macro v0.2.1 [INFO] [stderr] Compiling faer-macros v0.21.0 [INFO] [stderr] Checking gemm-f64 v0.18.2 [INFO] [stderr] Checking gemm-c32 v0.18.2 [INFO] [stderr] Checking gemm-f32 v0.18.2 [INFO] [stderr] Checking gemm-c64 v0.18.2 [INFO] [stderr] Checking faer-traits v0.22.0 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Checking equator v0.2.2 [INFO] [stderr] Checking spindle v0.2.2 [INFO] [stderr] Compiling pest v2.8.0 [INFO] [stderr] Checking gemm v0.18.2 [INFO] [stderr] Compiling pest_meta v2.8.0 [INFO] [stderr] Compiling pest_generator v2.8.0 [INFO] [stderr] Compiling pest_derive v2.8.0 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking npyz v0.8.3 [INFO] [stderr] Checking nano-gemm v0.1.3 [INFO] [stderr] Checking faer v0.22.4 [INFO] [stderr] Checking faer_gmres v0.3.1 (/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)]` 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)]` 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)]` 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)]` 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:344:13 [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)]` 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)]` 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)]` 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)]` 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)]` 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:344:13 [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)]` 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)]` 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)]` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `Command { std: "docker" "inspect" "7f63e7f1f9aebb17a1bfec66d0ccd2d598c5bb61aa863335497c3ecbe716fb47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f63e7f1f9aebb17a1bfec66d0ccd2d598c5bb61aa863335497c3ecbe716fb47", kill_on_drop: false }` [INFO] [stdout] 7f63e7f1f9aebb17a1bfec66d0ccd2d598c5bb61aa863335497c3ecbe716fb47