[INFO] fetching crate lk_math 0.5.0...
[INFO] testing lk_math-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate lk_math 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lk_math 0.5.0
[INFO] finished tweaking crates.io crate lk_math 0.5.0
[INFO] tweaked toml for crates.io crate lk_math 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lk_math 0.5.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lk_math 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" "+beta-2025-10-28" "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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 070bee62215cbb4de911bf9a8a7f2e6459f350482cf7bffc871f401c20366933
[INFO] running `Command { std: "docker" "start" "-a" "070bee62215cbb4de911bf9a8a7f2e6459f350482cf7bffc871f401c20366933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "070bee62215cbb4de911bf9a8a7f2e6459f350482cf7bffc871f401c20366933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070bee62215cbb4de911bf9a8a7f2e6459f350482cf7bffc871f401c20366933", kill_on_drop: false }`
[INFO] [stdout] 070bee62215cbb4de911bf9a8a7f2e6459f350482cf7bffc871f401c20366933
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c80de3ddb513541173462bde0b01981c5c8c23f8cbfd5530822d3ed31ea621
[INFO] running `Command { std: "docker" "start" "-a" "83c80de3ddb513541173462bde0b01981c5c8c23f8cbfd5530822d3ed31ea621", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling lk_math v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/arraynd.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 402 |         [].into_iter()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[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: irrefutable `if let` pattern
[INFO] [stdout]    --> src/arraynd.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         if let Ok(a) = (*i).try_into() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | array_vector_linear_index!(i32, usize);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matching`
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Perm` is never constructed
[INFO] [stdout]  --> src/permutations.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Perm<const M: usize>([usize; M]);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `chain` is never used
[INFO] [stdout]  --> src/permutations.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<const M: usize> Perm<M> {
[INFO] [stdout]   | ---------------------------- method in this implementation
[INFO] [stdout] 7 |     fn chain(&self, other: &Self) -> Self
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PermId` is never constructed
[INFO] [stdout]   --> src/permutations.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct PermId<const M: usize>(usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perm` is never used
[INFO] [stdout]   --> src/permutations.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<const M: usize> PermId<M> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 34 |     pub fn perm(self) -> Perm<M> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "83c80de3ddb513541173462bde0b01981c5c8c23f8cbfd5530822d3ed31ea621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c80de3ddb513541173462bde0b01981c5c8c23f8cbfd5530822d3ed31ea621", kill_on_drop: false }`
[INFO] [stdout] 83c80de3ddb513541173462bde0b01981c5c8c23f8cbfd5530822d3ed31ea621
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f17eec3bfec32ee334b2747e0d1805ac0cf24942f405b22d67092e6ff366bf6d
[INFO] running `Command { std: "docker" "start" "-a" "f17eec3bfec32ee334b2747e0d1805ac0cf24942f405b22d67092e6ff366bf6d", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/arraynd.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 402 |         [].into_iter()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[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: irrefutable `if let` pattern
[INFO] [stdout]    --> src/arraynd.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         if let Ok(a) = (*i).try_into() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | array_vector_linear_index!(i32, usize);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matching`
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Perm` is never constructed
[INFO] [stdout]  --> src/permutations.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Perm<const M: usize>([usize; M]);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `chain` is never used
[INFO] [stdout]  --> src/permutations.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<const M: usize> Perm<M> {
[INFO] [stdout]   | ---------------------------- method in this implementation
[INFO] [stdout] 7 |     fn chain(&self, other: &Self) -> Self
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PermId` is never constructed
[INFO] [stdout]   --> src/permutations.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct PermId<const M: usize>(usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perm` is never used
[INFO] [stdout]   --> src/permutations.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<const M: usize> PermId<M> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 34 |     pub fn perm(self) -> Perm<M> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lk_math v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/arraynd.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 402 |         [].into_iter()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[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: irrefutable `if let` pattern
[INFO] [stdout]    --> src/arraynd.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         if let Ok(a) = (*i).try_into() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | array_vector_linear_index!(i32, usize);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matching`
[INFO] [stdout]    --> src/arraynd.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "f17eec3bfec32ee334b2747e0d1805ac0cf24942f405b22d67092e6ff366bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17eec3bfec32ee334b2747e0d1805ac0cf24942f405b22d67092e6ff366bf6d", kill_on_drop: false }`
[INFO] [stdout] f17eec3bfec32ee334b2747e0d1805ac0cf24942f405b22d67092e6ff366bf6d
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 114ff88cb7fa0411078987fdd3f7d49cb7420952ff24efce1de96bbf0be63dfd
[INFO] running `Command { std: "docker" "start" "-a" "114ff88cb7fa0411078987fdd3f7d49cb7420952ff24efce1de96bbf0be63dfd", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/arraynd.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         todo!();
[INFO] [stderr]     |         ------- any code following this expression is unreachable
[INFO] [stderr] 402 |         [].into_iter()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/arraynd.rs:400:34
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[INFO] [stderr]     |                                  ----^^^^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/arraynd.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |         if let Ok(a) = (*i).try_into() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 | array_vector_linear_index!(i32, usize);
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matching`
[INFO] [stderr]    --> src/arraynd.rs:400:34
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn iter_block(&mut self, mut matching: [Option<usize>; N]) -> impl Iterator<Item = &T> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Perm` is never constructed
[INFO] [stderr]  --> src/permutations.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Perm<const M: usize>([usize; M]);
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `chain` is never used
[INFO] [stderr]  --> src/permutations.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl<const M: usize> Perm<M> {
[INFO] [stderr]   | ---------------------------- method in this implementation
[INFO] [stderr] 7 |     fn chain(&self, other: &Self) -> Self
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PermId` is never constructed
[INFO] [stderr]   --> src/permutations.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct PermId<const M: usize>(usize);
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `perm` is never used
[INFO] [stderr]   --> src/permutations.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<const M: usize> PermId<M> {
[INFO] [stderr]    | ------------------------------ method in this implementation
[INFO] [stderr] 34 |     pub fn perm(self) -> Perm<M> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lk_math` (lib) generated 8 warnings (run `cargo fix --lib -p lk_math` to apply 2 suggestions)
[INFO] [stderr] warning: `lk_math` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lk_math-28dccd108865874c)
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test arraynd::tests::fail_parse_chararray2d_inconsistent_line_width ... ok
[INFO] [stdout] test aabb::tests::aabb_covering ... ok
[INFO] [stdout] test expr::tests::eval_0 ... ok
[INFO] [stdout] test expr::tests::eval_free ... ok
[INFO] [stdout] test arraynd::tests::parse_chararray2d ... ok
[INFO] [stdout] test expr::tests::parseval_2_div_2 ... ok
[INFO] [stdout] test expr::tests::parseval_2_minus_2 ... ok
[INFO] [stdout] test expr::tests::parseval_2_plus_2 ... ok
[INFO] [stdout] test expr::tests::parse_ident_equals_const ... ok
[INFO] [stdout] test expr::tests::parseval_2_times_2 ... ok
[INFO] [stdout] test group::map::tests::test2 ... ok
[INFO] [stdout] test group::map::tests::test1 ... ok
[INFO] [stdout] test group::map::tests::test3 ... ok
[INFO] [stdout] test group::map::tests::test4 ... ok
[INFO] [stdout] test interval::tests::aabb ... ok
[INFO] [stdout] test interval::tests::abab ... ok
[INFO] [stdout] test group::map::tests::test5 ... ok
[INFO] [stdout] test interval::tests::abba ... ok
[INFO] [stdout] test interval::tests::xab ... ok
[INFO] [stdout] test interval_set::tests::f32 ... ok
[INFO] [stdout] test interval_set::tests::f64 ... ok
[INFO] [stdout] test modular::tests::modular_add_test ... ok
[INFO] [stdout] test modular::tests::modular_test ... ok
[INFO] [stdout] test modular::tests::modular_test_negative ... ok
[INFO] [stdout] test permutations::tests::test1 ... ok
[INFO] [stdout] test interval::tests::abx ... ok
[INFO] [stdout] test interval_set::tests::empty ... ok
[INFO] [stdout] test interval_set::tests::i32 ... ok
[INFO] [stdout] test interval::tests::axb ... ok
[INFO] [stdout] test permutations::tests::test2_chain ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test math::tests::test_triangle_numbers ... ok
[INFO] [stdout] test group::map::tests::test6 ... ok
[INFO] [stdout] test vector::tests::v3_basis_vectors ... ok
[INFO] [stdout] test vector::tests::v3_eq ... ok
[INFO] [stdout] test permutations::tests::test2 ... ok
[INFO] [stdout] test permutations::tests::test3 ... ok
[INFO] [stdout] test vector::tests::v3_linear_index ... ok
[INFO] [stdout] test vector::tests::v3_modular_decompose ... ok
[INFO] [stdout] test vector::tests::v3_modular_decompose2 ... ok
[INFO] [stdout] test vector::tests::v3_modular_decompose3 ... ok
[INFO] [stdout] test permutations::tests::test3_chain ... ok
[INFO] [stdout] test permutations::tests::test2_oob - should panic ... ok
[INFO] [stdout] test permutations::tests::test3_oob - should panic ... ok
[INFO] [stdout] test permutations::tests::test1_oob - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lk_math
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "114ff88cb7fa0411078987fdd3f7d49cb7420952ff24efce1de96bbf0be63dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114ff88cb7fa0411078987fdd3f7d49cb7420952ff24efce1de96bbf0be63dfd", kill_on_drop: false }`
[INFO] [stdout] 114ff88cb7fa0411078987fdd3f7d49cb7420952ff24efce1de96bbf0be63dfd
