[INFO] cloning repository https://github.com/matthagan15/mffl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthagan15/mffl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthagan15%2Fmffl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthagan15%2Fmffl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fefdd4a69fbc7804e6fcfa5dcf60e5be53395bd9
[INFO] testing matthagan15/mffl against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthagan15%2Fmffl" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthagan15/mffl on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthagan15/mffl
[INFO] finished tweaking git repo https://github.com/matthagan15/mffl
[INFO] tweaked toml for git repo https://github.com/matthagan15/mffl written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matthagan15/mffl 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-2024-12-08" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da1ffbfeb74f356f58815d3aaf3f6c3f715a1a19510f5ba25ed61147f135167e
[INFO] running `Command { std: "docker" "start" "-a" "da1ffbfeb74f356f58815d3aaf3f6c3f715a1a19510f5ba25ed61147f135167e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da1ffbfeb74f356f58815d3aaf3f6c3f715a1a19510f5ba25ed61147f135167e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1ffbfeb74f356f58815d3aaf3f6c3f715a1a19510f5ba25ed61147f135167e", kill_on_drop: false }`
[INFO] [stdout] da1ffbfeb74f356f58815d3aaf3f6c3f715a1a19510f5ba25ed61147f135167e
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa308b304b90a33f4e8d37572776d577ee00497e99bdb09c8d95ea2790fc83f
[INFO] running `Command { std: "docker" "start" "-a" "9fa308b304b90a33f4e8d37572776d577ee00497e99bdb09c8d95ea2790fc83f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling simple_logger v5.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling mhgl v0.2.2 (https://github.com/matthagan15/mhgl.git#0a7428bc)
[INFO] [stderr]    Compiling mffl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `str::FromStr` and `sync::Arc`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:532:15
[INFO] [stdout]     |
[INFO] [stdout] 532 |     use std::{str::FromStr, sync::Arc};
[INFO] [stdout]     |               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `compute_deg`, `galois_field::GaloisField`, `k_type_subgroup`, and `polynomial::FFPolynomial`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:535:35
[INFO] [stdout]     |
[INFO] [stdout] 535 |         coset_complex_subgroups::{compute_deg, k_type_subgroup},
[INFO] [stdout]     |                                   ^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 536 |         galois_field::GaloisField,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 537 |         polynomial::FFPolynomial,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrices::ffmatrix::FFMatrix`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |     use crate::matrices::ffmatrix::FFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/math/finite_field.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::{Add, AddAssign, Div, Mul, MulAssign, Sub, SubAssign},
[INFO] [stdout]   |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::FiniteField`
[INFO] [stdout]    --> src/math/finite_field.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |     use super::FiniteField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `fs::File`, and `path::Path`
[INFO] [stdout]  --> src/math/galois_field.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^  ^^^^^
[INFO] [stdout] 5 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> src/math/galois_field.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `finite_field::FFRep` and `polynomial::FFPolynomial`
[INFO] [stdout]    --> src/math/galois_field.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use crate::math::{finite_field::FFRep, polynomial::FFPolynomial};
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GaloisField` and `generate_all_polys`
[INFO] [stdout]    --> src/math/galois_field.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::{generate_all_polys, GaloisField};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/math/polynomial.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> src/math/polynomial.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de, Deserialize, Serialize};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DivAssign`, `HashSet`, `IndexMut`, `Index`, and `thread`
[INFO] [stdout]   --> src/math/polynomial.rs:5:28
[INFO] [stdout]    |
[INFO] [stdout] 5  |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8  |     ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Rem, Sub, SubAssign},
[INFO] [stdout]    |                                ^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 9  |     str::FromStr,
[INFO] [stdout] 10 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/math/polynomial.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `str::FromStr`
[INFO] [stdout]    --> src/math/polynomial.rs:760:23
[INFO] [stdout]     |
[INFO] [stdout] 760 |         collections::{HashMap, HashSet},
[INFO] [stdout]     |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 761 |         str::FromStr,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PolyDegree`, `finite_field::FiniteField`, `get_divisors`, `get_smallest_divisor`, and `group_ring_field::Ring`
[INFO] [stdout]    --> src/math/polynomial.rs:765:9
[INFO] [stdout]     |
[INFO] [stdout] 765 |         finite_field::FiniteField,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 766 |         group_ring_field::Ring,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 767 |         polynomial::{get_divisors, get_smallest_divisor, PolyDegree},
[INFO] [stdout]     |                      ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFPolynomial` and `remove_trailing_zeros`
[INFO] [stdout]    --> src/math/polynomial.rs:770:17
[INFO] [stdout]     |
[INFO] [stdout] 770 |     use super::{remove_trailing_zeros, FFPolynomial};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `group_ring_field::Ring`, `polynomial::FFPolynomial`, and `quotient_polynomial::QuotientPoly`
[INFO] [stdout]    --> src/math/quotient_polynomial.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         group_ring_field::Ring, polynomial::FFPolynomial, quotient_polynomial::QuotientPoly,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffmatrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FFRep`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::math::finite_field::FFRep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField as FF`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::math::finite_field::FiniteField as FF;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField`
[INFO] [stdout]    --> src/matrices/ffx_matrix.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use crate::math::finite_field::FiniteField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::FFXMatrix`
[INFO] [stdout]    --> src/matrices/ffx_matrix.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::FFXMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `rc::Rc`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `finite_field::FiniteField`
[INFO] [stdout]   --> src/matrices/polymatrix.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::math::{finite_field::FiniteField, quotient_polynomial::QuotientPoly};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{panic, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxhash::FxHashSet`
[INFO] [stdout]   --> src/matrices/sparse_ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fxhash::FxHashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:948:21
[INFO] [stdout]     |
[INFO] [stdout] 948 |     use std::path::{Path, PathBuf};
[INFO] [stdout]     |                     ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrices::mat_trait::RankMatrix`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |     use crate::matrices::mat_trait::RankMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SparseFFMatrix`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:952:9
[INFO] [stdout]     |
[INFO] [stdout] 952 |     use super::SparseFFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SparseSparseFFMatrix`
[INFO] [stdout]    --> src/matrices/sparse_sparse_ffmatrix.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use super::SparseSparseFFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sparse_vec::SparseVector`
[INFO] [stdout]   --> src/matrices/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sparse_vec::SparseVector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]   --> src/math/polynomial.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]   --> src/math/polynomial.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Mul`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Mul,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_base`
[INFO] [stdout]   --> src/math/finite_field.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(value: FFRep, prime_base: FFRep, prime_power: FFRep) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deg`
[INFO] [stdout]   --> src/math/galois_field.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         for (deg, polys) in smalls.into_iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/math/polynomial.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let (q, r) = &t / &self;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/math/polynomial.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let x = self * &q;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/math/polynomial.rs:728:19
[INFO] [stdout]     |
[INFO] [stdout] 728 |         .filter(|(k, v)| {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dot = dot_prod(&start_vec, ortho_basis);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:24
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_shape`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:47
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/matrices/ffx_matrix.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn k_type_subgroup(dim: usize) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_rows`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         n_rows: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_cols`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         n_cols: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/matrices/sparse_sparse_ffmatrix.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (id, col_nodes_vec) = link.first().unwrap();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HTypeSubgroup` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 | struct HTypeSubgroup {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_left_mul`, `generate_right_mul`, `to_disk`, and `from_file` are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl HTypeSubgroup {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 252 |     pub fn new(lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn generate_left_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn generate_right_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `h_type_subgroup` is never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn h_type_subgroup(type_ix: usize, lookup: Arc<GaloisField>) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParallelSubgroups` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct ParallelSubgroups {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl ParallelSubgroups {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 349 |     pub fn print_gens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn new(dim: usize, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 455 |     pub fn get_coset(&self, coset_rep: &GaloisMatrix, type_ix: usize) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 |     pub fn get_all_cosets(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 |     pub fn get_canonical_rep(&self, rep: &GaloisMatrix, type_ix: usize) -> GaloisMatrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 513 |     pub fn get_coset_reps(&self, mat: &GaloisMatrix) -> (CosetRep, CosetRep, CosetRep) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn clear_zeros(coeffs: HashMap<PolyDegree, FiniteField>) -> HashMap<PolyDegree, FiniteField> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_trailing_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:739:4
[INFO] [stdout]     |
[INFO] [stdout] 739 | fn remove_trailing_zeros(coeffs: &mut Vec<FiniteField>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_orthogonal_to_single` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn make_orthogonal_to_single(start_vec: Vec<FFX>, ortho_basis: &Vec<FFX>) -> Vec<FFX> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot_prod` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn dot_prod(left: &Vec<FFX>, right: &Vec<FFX>) -> FFX {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_matrix` is never used
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:518:8
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn basic_matrix() -> FFMatrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `zero` and `swap_rows` are never used
[INFO] [stdout]   --> src/matrices/polymatrix.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl PolyMatrix {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn zero(dim: usize, quotient: FFPolynomial) -> PolyMatrix {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn swap_rows(&mut self, row_1: usize, row_2: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_matrix` is never used
[INFO] [stdout]    --> src/matrices/polymatrix.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn basic_matrix() -> PolyMatrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_section_position` is never used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl SparseFFMatrix {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 400 |     fn get_section_position(&self, row_ix: usize, col_ix: usize) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let _ = t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `Command { std: "docker" "inspect" "9fa308b304b90a33f4e8d37572776d577ee00497e99bdb09c8d95ea2790fc83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa308b304b90a33f4e8d37572776d577ee00497e99bdb09c8d95ea2790fc83f", kill_on_drop: false }`
[INFO] [stdout] 9fa308b304b90a33f4e8d37572776d577ee00497e99bdb09c8d95ea2790fc83f
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815845e8f322d685cc10de190e777aa724e65a143ffb08d910dd3f78a9049206
[INFO] running `Command { std: "docker" "start" "-a" "815845e8f322d685cc10de190e777aa724e65a143ffb08d910dd3f78a9049206", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `str::FromStr` and `sync::Arc`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:532:15
[INFO] [stdout]     |
[INFO] [stdout] 532 |     use std::{str::FromStr, sync::Arc};
[INFO] [stdout]     |               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `compute_deg`, `galois_field::GaloisField`, `k_type_subgroup`, and `polynomial::FFPolynomial`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:535:35
[INFO] [stdout]     |
[INFO] [stdout] 535 |         coset_complex_subgroups::{compute_deg, k_type_subgroup},
[INFO] [stdout]     |                                   ^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 536 |         galois_field::GaloisField,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 537 |         polynomial::FFPolynomial,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrices::ffmatrix::FFMatrix`
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |     use crate::matrices::ffmatrix::FFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/math/finite_field.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::{Add, AddAssign, Div, Mul, MulAssign, Sub, SubAssign},
[INFO] [stdout]   |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::FiniteField`
[INFO] [stdout]    --> src/math/finite_field.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |     use super::FiniteField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `fs::File`, and `path::Path`
[INFO] [stdout]  --> src/math/galois_field.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^  ^^^^^
[INFO] [stdout] 5 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> src/math/galois_field.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `finite_field::FFRep` and `polynomial::FFPolynomial`
[INFO] [stdout]    --> src/math/galois_field.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use crate::math::{finite_field::FFRep, polynomial::FFPolynomial};
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GaloisField` and `generate_all_polys`
[INFO] [stdout]    --> src/math/galois_field.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::{generate_all_polys, GaloisField};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/math/polynomial.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> src/math/polynomial.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de, Deserialize, Serialize};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DivAssign`, `HashSet`, `IndexMut`, `Index`, and `thread`
[INFO] [stdout]   --> src/math/polynomial.rs:5:28
[INFO] [stdout]    |
[INFO] [stdout] 5  |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8  |     ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Rem, Sub, SubAssign},
[INFO] [stdout]    |                                ^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 9  |     str::FromStr,
[INFO] [stdout] 10 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/math/polynomial.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `str::FromStr`
[INFO] [stdout]    --> src/math/polynomial.rs:760:23
[INFO] [stdout]     |
[INFO] [stdout] 760 |         collections::{HashMap, HashSet},
[INFO] [stdout]     |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 761 |         str::FromStr,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PolyDegree`, `finite_field::FiniteField`, `get_divisors`, `get_smallest_divisor`, and `group_ring_field::Ring`
[INFO] [stdout]    --> src/math/polynomial.rs:765:9
[INFO] [stdout]     |
[INFO] [stdout] 765 |         finite_field::FiniteField,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 766 |         group_ring_field::Ring,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 767 |         polynomial::{get_divisors, get_smallest_divisor, PolyDegree},
[INFO] [stdout]     |                      ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFPolynomial` and `remove_trailing_zeros`
[INFO] [stdout]    --> src/math/polynomial.rs:770:17
[INFO] [stdout]     |
[INFO] [stdout] 770 |     use super::{remove_trailing_zeros, FFPolynomial};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `group_ring_field::Ring`, `polynomial::FFPolynomial`, and `quotient_polynomial::QuotientPoly`
[INFO] [stdout]    --> src/math/quotient_polynomial.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         group_ring_field::Ring, polynomial::FFPolynomial, quotient_polynomial::QuotientPoly,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffmatrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FFRep`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::math::finite_field::FFRep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField as FF`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::math::finite_field::FiniteField as FF;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField`
[INFO] [stdout]    --> src/matrices/ffx_matrix.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use crate::math::finite_field::FiniteField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::FFXMatrix`
[INFO] [stdout]    --> src/matrices/ffx_matrix.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::FFXMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `rc::Rc`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `finite_field::FiniteField`
[INFO] [stdout]   --> src/matrices/polymatrix.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::math::{finite_field::FiniteField, quotient_polynomial::QuotientPoly};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{panic, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxhash::FxHashSet`
[INFO] [stdout]   --> src/matrices/sparse_ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fxhash::FxHashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:948:21
[INFO] [stdout]     |
[INFO] [stdout] 948 |     use std::path::{Path, PathBuf};
[INFO] [stdout]     |                     ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrices::mat_trait::RankMatrix`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |     use crate::matrices::mat_trait::RankMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SparseFFMatrix`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:952:9
[INFO] [stdout]     |
[INFO] [stdout] 952 |     use super::SparseFFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SparseSparseFFMatrix`
[INFO] [stdout]    --> src/matrices/sparse_sparse_ffmatrix.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use super::SparseSparseFFMatrix;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sparse_vec::SparseVector`
[INFO] [stdout]   --> src/matrices/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sparse_vec::SparseVector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]   --> src/math/polynomial.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]   --> src/math/polynomial.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Mul`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Mul,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_base`
[INFO] [stdout]   --> src/math/finite_field.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(value: FFRep, prime_base: FFRep, prime_power: FFRep) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deg`
[INFO] [stdout]   --> src/math/galois_field.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         for (deg, polys) in smalls.into_iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/math/polynomial.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let (q, r) = &t / &self;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/math/polynomial.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let x = self * &q;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/math/polynomial.rs:728:19
[INFO] [stdout]     |
[INFO] [stdout] 728 |         .filter(|(k, v)| {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dot = dot_prod(&start_vec, ortho_basis);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:24
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_shape`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:47
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mffl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/matrices/ffx_matrix.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn k_type_subgroup(dim: usize) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_rows`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         n_rows: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_cols`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         n_cols: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/matrices/sparse_sparse_ffmatrix.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (id, col_nodes_vec) = link.first().unwrap();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HTypeSubgroup` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 | struct HTypeSubgroup {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_left_mul`, `generate_right_mul`, `to_disk`, and `from_file` are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl HTypeSubgroup {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 252 |     pub fn new(lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn generate_left_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn generate_right_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `h_type_subgroup` is never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn h_type_subgroup(type_ix: usize, lookup: Arc<GaloisField>) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParallelSubgroups` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct ParallelSubgroups {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl ParallelSubgroups {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 349 |     pub fn print_gens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn new(dim: usize, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 455 |     pub fn get_coset(&self, coset_rep: &GaloisMatrix, type_ix: usize) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 |     pub fn get_all_cosets(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 |     pub fn get_canonical_rep(&self, rep: &GaloisMatrix, type_ix: usize) -> GaloisMatrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 513 |     pub fn get_coset_reps(&self, mat: &GaloisMatrix) -> (CosetRep, CosetRep, CosetRep) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn clear_zeros(coeffs: HashMap<PolyDegree, FiniteField>) -> HashMap<PolyDegree, FiniteField> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_trailing_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:739:4
[INFO] [stdout]     |
[INFO] [stdout] 739 | fn remove_trailing_zeros(coeffs: &mut Vec<FiniteField>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_orthogonal_to_single` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn make_orthogonal_to_single(start_vec: Vec<FFX>, ortho_basis: &Vec<FFX>) -> Vec<FFX> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot_prod` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn dot_prod(left: &Vec<FFX>, right: &Vec<FFX>) -> FFX {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_matrix` is never used
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:518:8
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn basic_matrix() -> FFMatrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `zero` and `swap_rows` are never used
[INFO] [stdout]   --> src/matrices/polymatrix.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl PolyMatrix {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn zero(dim: usize, quotient: FFPolynomial) -> PolyMatrix {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn swap_rows(&mut self, row_1: usize, row_2: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_matrix` is never used
[INFO] [stdout]    --> src/matrices/polymatrix.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn basic_matrix() -> PolyMatrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_section_position` is never used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl SparseFFMatrix {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 400 |     fn get_section_position(&self, row_ix: usize, col_ix: usize) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let _ = t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/math/finite_field.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::{Add, AddAssign, Div, Mul, MulAssign, Sub, SubAssign},
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `fs::File`, and `path::Path`
[INFO] [stdout]  --> src/math/galois_field.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^  ^^^^^
[INFO] [stdout] 5 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/math/polynomial.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> src/math/polynomial.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de, Deserialize, Serialize};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DivAssign`, `HashSet`, `IndexMut`, `Index`, and `thread`
[INFO] [stdout]   --> src/math/polynomial.rs:5:28
[INFO] [stdout]    |
[INFO] [stdout] 5  |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8  |     ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Rem, Sub, SubAssign},
[INFO] [stdout]    |                                ^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 9  |     str::FromStr,
[INFO] [stdout] 10 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/math/polynomial.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]    --> src/math/polynomial.rs:760:23
[INFO] [stdout]     |
[INFO] [stdout] 760 |         collections::{HashMap, HashSet},
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_smallest_divisor` and `group_ring_field::Ring`
[INFO] [stdout]    --> src/math/polynomial.rs:766:9
[INFO] [stdout]     |
[INFO] [stdout] 766 |         group_ring_field::Ring,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 767 |         polynomial::{get_divisors, get_smallest_divisor, PolyDegree},
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `remove_trailing_zeros`
[INFO] [stdout]    --> src/math/polynomial.rs:770:17
[INFO] [stdout]     |
[INFO] [stdout] 770 |     use super::{remove_trailing_zeros, FFPolynomial};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffmatrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FFRep`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::math::finite_field::FFRep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField as FF`
[INFO] [stdout]  --> src/matrices/ffx_matrix.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::math::finite_field::FiniteField as FF;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::finite_field::FiniteField`
[INFO] [stdout]    --> src/matrices/ffx_matrix.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use crate::math::finite_field::FiniteField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `rc::Rc`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `finite_field::FiniteField`
[INFO] [stdout]   --> src/matrices/polymatrix.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::math::{finite_field::FiniteField, quotient_polynomial::QuotientPoly};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{panic, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/matrices/sparse_ffmatrix.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxhash::FxHashSet`
[INFO] [stdout]   --> src/matrices/sparse_ffmatrix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fxhash::FxHashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:948:21
[INFO] [stdout]     |
[INFO] [stdout] 948 |     use std::path::{Path, PathBuf};
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sparse_vec::SparseVector`
[INFO] [stdout]   --> src/matrices/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sparse_vec::SparseVector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]   --> src/math/polynomial.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]   --> src/math/polynomial.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{Display, Write},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Mul`
[INFO] [stdout]  --> src/matrices/galois_matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Mul,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_base`
[INFO] [stdout]   --> src/math/finite_field.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(value: FFRep, prime_base: FFRep, prime_power: FFRep) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deg`
[INFO] [stdout]   --> src/math/galois_field.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         for (deg, polys) in smalls.into_iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deg`
[INFO] [stdout]    --> src/math/galois_field.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         for (deg, set) in all_polys.into_iter() {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/math/polynomial.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let (q, r) = &t / &self;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/math/polynomial.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let x = self * &q;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/math/polynomial.rs:728:19
[INFO] [stdout]     |
[INFO] [stdout] 728 |         .filter(|(k, v)| {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `primitive_poly`
[INFO] [stdout]    --> src/math/polynomial.rs:938:13
[INFO] [stdout]     |
[INFO] [stdout] 938 |         let primitive_poly = FFPolynomial::from(&primitive_coeffs[..]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primitive_poly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/math/polynomial.rs:941:13
[INFO] [stdout]     |
[INFO] [stdout] 941 |         let f: FFPolynomial = serde_json::from_str(&s).expect("could not deserialize.");
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/math/quotient_polynomial.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let p1 = FFPolynomial::zero(199);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dot = dot_prod(&start_vec, ortho_basis);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:24
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_shape`
[INFO] [stdout]    --> src/matrices/ffmatrix.rs:231:47
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stdout]     |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/matrices/ffx_matrix.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn k_type_subgroup(dim: usize) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrices/polymatrix.rs:436:13
[INFO] [stdout]     |
[INFO] [stdout] 436 |         let mut m3_entries = vec![
[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/matrices/polymatrix.rs:455:13
[INFO] [stdout]     |
[INFO] [stdout] 455 |         let mut m4 = PolyMatrix {
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_rows`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         n_rows: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_cols`
[INFO] [stdout]   --> src/matrices/sparse_sparse_ffmatrix.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         n_cols: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/matrices/sparse_sparse_ffmatrix.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (id, col_nodes_vec) = link.first().unwrap();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HTypeSubgroup` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 | struct HTypeSubgroup {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_left_mul`, `generate_right_mul`, `to_disk`, and `from_file` are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl HTypeSubgroup {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 252 |     pub fn new(lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn generate_left_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn generate_right_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `h_type_subgroup` is never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn h_type_subgroup(type_ix: usize, lookup: Arc<GaloisField>) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParallelSubgroups` is never constructed
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct ParallelSubgroups {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/math/coset_complex_subgroups.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl ParallelSubgroups {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 349 |     pub fn print_gens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn new(dim: usize, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 455 |     pub fn get_coset(&self, coset_rep: &GaloisMatrix, type_ix: usize) -> Vec<GaloisMatrix> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 |     pub fn get_all_cosets(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 |     pub fn get_canonical_rep(&self, rep: &GaloisMatrix, type_ix: usize) -> GaloisMatrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 513 |     pub fn get_coset_reps(&self, mat: &GaloisMatrix) -> (CosetRep, CosetRep, CosetRep) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn clear_zeros(coeffs: HashMap<PolyDegree, FiniteField>) -> HashMap<PolyDegree, FiniteField> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_trailing_zeros` is never used
[INFO] [stdout]    --> src/math/polynomial.rs:739:4
[INFO] [stdout]     |
[INFO] [stdout] 739 | fn remove_trailing_zeros(coeffs: &mut Vec<FiniteField>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_orthogonal_to_single` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn make_orthogonal_to_single(start_vec: Vec<FFX>, ortho_basis: &Vec<FFX>) -> Vec<FFX> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot_prod` is never used
[INFO] [stdout]   --> src/matrices/ffmatrix.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn dot_prod(left: &Vec<FFX>, right: &Vec<FFX>) -> FFX {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `zero` and `swap_rows` are never used
[INFO] [stdout]   --> src/matrices/polymatrix.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl PolyMatrix {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn zero(dim: usize, quotient: FFPolynomial) -> PolyMatrix {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn swap_rows(&mut self, row_1: usize, row_2: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_section_position` is never used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl SparseFFMatrix {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 400 |     fn get_section_position(&self, row_ix: usize, col_ix: usize) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrices/sparse_ffmatrix.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let _ = t2.send(PivotizeMessage::Test);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "815845e8f322d685cc10de190e777aa724e65a143ffb08d910dd3f78a9049206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815845e8f322d685cc10de190e777aa724e65a143ffb08d910dd3f78a9049206", kill_on_drop: false }`
[INFO] [stdout] 815845e8f322d685cc10de190e777aa724e65a143ffb08d910dd3f78a9049206
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67b6f0a2c85403082c5ea63e9d57153fc13b76fe08d03e703bfef9877600e018
[INFO] running `Command { std: "docker" "start" "-a" "67b6f0a2c85403082c5ea63e9d57153fc13b76fe08d03e703bfef9877600e018", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `str::FromStr` and `sync::Arc`
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:532:15
[INFO] [stderr]     |
[INFO] [stderr] 532 |     use std::{str::FromStr, sync::Arc};
[INFO] [stderr]     |               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `compute_deg`, `galois_field::GaloisField`, `k_type_subgroup`, and `polynomial::FFPolynomial`
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:535:35
[INFO] [stderr]     |
[INFO] [stderr] 535 |         coset_complex_subgroups::{compute_deg, k_type_subgroup},
[INFO] [stderr]     |                                   ^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 536 |         galois_field::GaloisField,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 537 |         polynomial::FFPolynomial,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrices::ffmatrix::FFMatrix`
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:539:9
[INFO] [stderr]     |
[INFO] [stderr] 539 |     use crate::matrices::ffmatrix::FFMatrix;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/math/finite_field.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ops::{Add, AddAssign, Div, Mul, MulAssign, Sub, SubAssign},
[INFO] [stderr]   |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::FiniteField`
[INFO] [stderr]    --> src/math/finite_field.rs:438:9
[INFO] [stderr]     |
[INFO] [stderr] 438 |     use super::FiniteField;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`, `fs::File`, and `path::Path`
[INFO] [stderr]  --> src/math/galois_field.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fs::File,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     io::{Read, Write},
[INFO] [stderr]   |          ^^^^  ^^^^^
[INFO] [stderr] 5 |     path::Path,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/math/galois_field.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     use std::str::FromStr;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `finite_field::FFRep` and `polynomial::FFPolynomial`
[INFO] [stderr]    --> src/math/galois_field.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |     use crate::math::{finite_field::FFRep, polynomial::FFPolynomial};
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GaloisField` and `generate_all_polys`
[INFO] [stderr]    --> src/math/galois_field.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     use super::{generate_all_polys, GaloisField};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::time`
[INFO] [stderr]  --> src/math/polynomial.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::time;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `de`
[INFO] [stderr]  --> src/math/polynomial.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{de, Deserialize, Serialize};
[INFO] [stderr]   |             ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DivAssign`, `HashSet`, `IndexMut`, `Index`, and `thread`
[INFO] [stderr]   --> src/math/polynomial.rs:5:28
[INFO] [stderr]    |
[INFO] [stderr] 5  |     collections::{HashMap, HashSet},
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 8  |     ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Rem, Sub, SubAssign},
[INFO] [stderr]    |                                ^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stderr] 9  |     str::FromStr,
[INFO] [stderr] 10 |     thread,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/math/polynomial.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`, and `str::FromStr`
[INFO] [stderr]    --> src/math/polynomial.rs:760:23
[INFO] [stderr]     |
[INFO] [stderr] 760 |         collections::{HashMap, HashSet},
[INFO] [stderr]     |                       ^^^^^^^  ^^^^^^^
[INFO] [stderr] 761 |         str::FromStr,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PolyDegree`, `finite_field::FiniteField`, `get_divisors`, `get_smallest_divisor`, and `group_ring_field::Ring`
[INFO] [stderr]    --> src/math/polynomial.rs:765:9
[INFO] [stderr]     |
[INFO] [stderr] 765 |         finite_field::FiniteField,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 766 |         group_ring_field::Ring,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 767 |         polynomial::{get_divisors, get_smallest_divisor, PolyDegree},
[INFO] [stderr]     |                      ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FFPolynomial` and `remove_trailing_zeros`
[INFO] [stderr]    --> src/math/polynomial.rs:770:17
[INFO] [stderr]     |
[INFO] [stderr] 770 |     use super::{remove_trailing_zeros, FFPolynomial};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `group_ring_field::Ring`, `polynomial::FFPolynomial`, and `quotient_polynomial::QuotientPoly`
[INFO] [stderr]    --> src/math/quotient_polynomial.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         group_ring_field::Ring, polynomial::FFPolynomial, quotient_polynomial::QuotientPoly,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/matrices/ffmatrix.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::math::finite_field::FFRep`
[INFO] [stderr]   --> src/matrices/ffmatrix.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::math::finite_field::FFRep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/matrices/ffx_matrix.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::math::finite_field::FiniteField as FF`
[INFO] [stderr]  --> src/matrices/ffx_matrix.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::math::finite_field::FiniteField as FF;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::math::finite_field::FiniteField`
[INFO] [stderr]    --> src/matrices/ffx_matrix.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |     use crate::math::finite_field::FiniteField;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::FFXMatrix`
[INFO] [stderr]    --> src/matrices/ffx_matrix.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |     use super::FFXMatrix;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display` and `rc::Rc`
[INFO] [stderr]  --> src/matrices/galois_matrix.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fmt::{Display, Write},
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 6 |     rc::Rc,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `finite_field::FiniteField`
[INFO] [stderr]   --> src/matrices/polymatrix.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::math::{finite_field::FiniteField, quotient_polynomial::QuotientPoly};
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/matrices/sparse_ffmatrix.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::{panic, time};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/matrices/sparse_ffmatrix.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxhash::FxHashSet`
[INFO] [stderr]   --> src/matrices/sparse_ffmatrix.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use fxhash::FxHashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf` and `Path`
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                     ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrices::mat_trait::RankMatrix`
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:950:9
[INFO] [stderr]     |
[INFO] [stderr] 950 |     use crate::matrices::mat_trait::RankMatrix;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::SparseFFMatrix`
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:952:9
[INFO] [stderr]     |
[INFO] [stderr] 952 |     use super::SparseFFMatrix;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::SparseSparseFFMatrix`
[INFO] [stderr]    --> src/matrices/sparse_sparse_ffmatrix.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |     use super::SparseSparseFFMatrix;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sparse_vec::SparseVector`
[INFO] [stderr]   --> src/matrices/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sparse_vec::SparseVector;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Field`
[INFO] [stderr]   --> src/math/polynomial.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ring`
[INFO] [stderr]   --> src/math/polynomial.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |     group_ring_field::{self, Field, Ring},
[INFO] [stderr]    |                                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/matrices/galois_matrix.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fmt::{Display, Write},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Mul`
[INFO] [stderr]  --> src/matrices/galois_matrix.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ops::Mul,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_base`
[INFO] [stderr]   --> src/math/finite_field.rs:38:30
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(value: FFRep, prime_base: FFRep, prime_power: FFRep) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_base`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deg`
[INFO] [stderr]   --> src/math/galois_field.rs:30:14
[INFO] [stderr]    |
[INFO] [stderr] 30 |         for (deg, polys) in smalls.into_iter() {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/math/polynomial.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let (q, r) = &t / &self;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/math/polynomial.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |         let x = self * &q;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/math/polynomial.rs:728:19
[INFO] [stderr]     |
[INFO] [stderr] 728 |         .filter(|(k, v)| {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dot`
[INFO] [stderr]   --> src/matrices/ffmatrix.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let dot = dot_prod(&start_vec, ortho_basis);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blocks`
[INFO] [stderr]    --> src/matrices/ffmatrix.rs:231:24
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stderr]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_shape`
[INFO] [stderr]    --> src/matrices/ffmatrix.rs:231:47
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn from_blocks(blocks: Vec<FFMatrix>, block_shape: (usize, usize)) -> FFMatrix {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dim`
[INFO] [stderr]   --> src/matrices/ffx_matrix.rs:70:28
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn k_type_subgroup(dim: usize) {}
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]   --> src/matrices/sparse_sparse_ffmatrix.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         n_rows: usize,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_cols`
[INFO] [stderr]   --> src/matrices/sparse_sparse_ffmatrix.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         n_cols: usize,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cols`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/matrices/sparse_sparse_ffmatrix.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let (id, col_nodes_vec) = link.first().unwrap();
[INFO] [stderr]     |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HTypeSubgroup` is never constructed
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:244:8
[INFO] [stderr]     |
[INFO] [stderr] 244 | struct HTypeSubgroup {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `generate_left_mul`, `generate_right_mul`, `to_disk`, and `from_file` are never used
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:252:12
[INFO] [stderr]     |
[INFO] [stderr] 251 | impl HTypeSubgroup {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr] 252 |     pub fn new(lookup: &Arc<GaloisField>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub fn generate_left_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 277 |     pub fn generate_right_mul(&self, mat: &GaloisMatrix) -> Vec<GaloisMatrix> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 284 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 297 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `h_type_subgroup` is never used
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:321:4
[INFO] [stderr]     |
[INFO] [stderr] 321 | fn h_type_subgroup(type_ix: usize, lookup: Arc<GaloisField>) -> Vec<GaloisMatrix> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ParallelSubgroups` is never constructed
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:341:8
[INFO] [stderr]     |
[INFO] [stderr] 341 | struct ParallelSubgroups {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/math/coset_complex_subgroups.rs:349:12
[INFO] [stderr]     |
[INFO] [stderr] 348 | impl ParallelSubgroups {
[INFO] [stderr]     | ---------------------- associated items in this implementation
[INFO] [stderr] 349 |     pub fn print_gens(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 361 |     pub fn to_disk(&self, fiilename: PathBuf) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 374 |     pub fn from_file(filename: PathBuf, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 397 |     pub fn new(dim: usize, lookup: &Arc<GaloisField>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 455 |     pub fn get_coset(&self, coset_rep: &GaloisMatrix, type_ix: usize) -> Vec<GaloisMatrix> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 488 |     pub fn get_all_cosets(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 508 |     pub fn get_canonical_rep(&self, rep: &GaloisMatrix, type_ix: usize) -> GaloisMatrix {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 513 |     pub fn get_coset_reps(&self, mat: &GaloisMatrix) -> (CosetRep, CosetRep, CosetRep) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `clear_zeros` is never used
[INFO] [stderr]    --> src/math/polynomial.rs:721:4
[INFO] [stderr]     |
[INFO] [stderr] 721 | fn clear_zeros(coeffs: HashMap<PolyDegree, FiniteField>) -> HashMap<PolyDegree, FiniteField> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remove_trailing_zeros` is never used
[INFO] [stderr]    --> src/math/polynomial.rs:739:4
[INFO] [stderr]     |
[INFO] [stderr] 739 | fn remove_trailing_zeros(coeffs: &mut Vec<FiniteField>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_orthogonal_to_single` is never used
[INFO] [stderr]   --> src/matrices/ffmatrix.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn make_orthogonal_to_single(start_vec: Vec<FFX>, ortho_basis: &Vec<FFX>) -> Vec<FFX> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dot_prod` is never used
[INFO] [stderr]   --> src/matrices/ffmatrix.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn dot_prod(left: &Vec<FFX>, right: &Vec<FFX>) -> FFX {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_matrix` is never used
[INFO] [stderr]    --> src/matrices/ffmatrix.rs:518:8
[INFO] [stderr]     |
[INFO] [stderr] 518 |     fn basic_matrix() -> FFMatrix {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `zero` and `swap_rows` are never used
[INFO] [stderr]   --> src/matrices/polymatrix.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl PolyMatrix {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn zero(dim: usize, quotient: FFPolynomial) -> PolyMatrix {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     fn swap_rows(&mut self, row_1: usize, row_2: usize) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_matrix` is never used
[INFO] [stderr]    --> src/matrices/polymatrix.rs:379:8
[INFO] [stderr]     |
[INFO] [stderr] 379 |     fn basic_matrix() -> PolyMatrix {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_section_position` is never used
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:400:8
[INFO] [stderr]     |
[INFO] [stderr] 229 | impl SparseFFMatrix {
[INFO] [stderr]     | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 400 |     fn get_section_position(&self, row_ix: usize, col_ix: usize) -> (usize, usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             t2.send(PivotizeMessage::Test);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let _ = t2.send(PivotizeMessage::Test);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/math/finite_field.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ops::{Add, AddAssign, Div, Mul, MulAssign, Sub, SubAssign},
[INFO] [stderr]   |                           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]    --> src/math/polynomial.rs:760:23
[INFO] [stderr]     |
[INFO] [stderr] 760 |         collections::{HashMap, HashSet},
[INFO] [stderr]     |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_smallest_divisor` and `group_ring_field::Ring`
[INFO] [stderr]    --> src/math/polynomial.rs:766:9
[INFO] [stderr]     |
[INFO] [stderr] 766 |         group_ring_field::Ring,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 767 |         polynomial::{get_divisors, get_smallest_divisor, PolyDegree},
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `remove_trailing_zeros`
[INFO] [stderr]    --> src/math/polynomial.rs:770:17
[INFO] [stderr]     |
[INFO] [stderr] 770 |     use super::{remove_trailing_zeros, FFPolynomial};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]    --> src/matrices/sparse_ffmatrix.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deg`
[INFO] [stderr]    --> src/math/galois_field.rs:145:14
[INFO] [stderr]     |
[INFO] [stderr] 145 |         for (deg, set) in all_polys.into_iter() {
[INFO] [stderr]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_deg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `primitive_poly`
[INFO] [stderr]    --> src/math/polynomial.rs:938:13
[INFO] [stderr]     |
[INFO] [stderr] 938 |         let primitive_poly = FFPolynomial::from(&primitive_coeffs[..]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primitive_poly`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/math/polynomial.rs:941:13
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let f: FFPolynomial = serde_json::from_str(&s).expect("could not deserialize.");
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]    --> src/math/quotient_polynomial.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let p1 = FFPolynomial::zero(199);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrices/polymatrix.rs:436:13
[INFO] [stderr]     |
[INFO] [stderr] 436 |         let mut m3_entries = vec![
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrices/polymatrix.rs:455:13
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let mut m4 = PolyMatrix {
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `mffl` (lib) generated 63 warnings (run `cargo fix --lib -p mffl` to apply 33 suggestions)
[INFO] [stderr] warning: `mffl` (lib test) generated 55 warnings (44 duplicates) (run `cargo fix --lib -p mffl --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mffl-a2d47cb1c3b8f0c5)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test math::finite_field::tests::test_modular_inverse ... ok
[INFO] [stdout] test math::polynomial::tests::test_constant_addition ... ok
[INFO] [stdout] test math::polynomial::tests::test_poly_cmp ... ok
[INFO] [stdout] test math::polynomial::tests::test_lagrange_interpolation ... ok
[INFO] [stdout] test math::polynomial::tests::test_polynomial_arithmetic ... ok
[INFO] [stdout] test math::finite_field::tests::test_multiplication ... ok
[INFO] [stdout] test math::finite_field::tests::test_pow ... ok
[INFO] [stdout] test math::polynomial::tests::test_serde ... ok
[INFO] [stdout] test math::coset_complex_subgroups::tests::k_type_subgroups ... ok
[INFO] [stdout] test math::polynomial::tests::test_partial_gcd ... ok
[INFO] [stdout] test math::coset_complex_subgroups::tests::compute_degree ... ok
[INFO] [stdout] test math::polynomial::tests::test_prime_divisors ... ok
[INFO] [stdout] test math::quotient_polynomial::tests::test_quotient_arithmetic ... ok
[INFO] [stdout] test math::galois_field::tests::test_multiplication_table ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_rref ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_convert_indices ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_multiplication ... ok
[INFO] [stdout] test matrices::polymatrix::tests::test_matrix_sort ... ok
[INFO] [stdout] test math::polynomial::tests::test_is_primitive ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_transpose ... ok
[INFO] [stdout] test matrices::ffx_matrix::tests::test_ffx_matrix ... ok
[INFO] [stdout] test matrices::polymatrix::tests::test_generator_matrices ... ok
[INFO] [stdout] test matrices::polymatrix::tests::test_indexing ... ok
[INFO] [stdout] test matrices::polymatrix::tests::test_matrix_mul ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::test_sparse_section ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::various_pivoting ... ok
[INFO] [stdout] test math::quotient_polynomial::tests::test_quotient_inverse ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_block_access ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::test_rref ... ok
[INFO] [stdout] test math::polynomial::tests::test_poly_from_str ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::parallelization ... ok
[INFO] [stdout] test math::polynomial::tests::test_to_and_from_number ... ok
[INFO] [stdout] test matrices::sparse_sparse_ffmatrix::tests::basic_row_ops ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::sparse_vector_additions ... ok
[INFO] [stdout] test matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving ... FAILED
[INFO] [stdout] test math::galois_field::tests::test_polynomial_generation ... ok
[INFO] [stdout] test matrices::ffmatrix::tests::test_rank ... ok
[INFO] [stdout] test math::polynomial::tests::test_polynomial_irreducibility ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving stdout ----
[INFO] [stdout] thread 'matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving' panicked at src/matrices/sparse_ffmatrix.rs:296:47:
[INFO] [stdout] Could not create file for write: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dca865ca74a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5dca865ca74a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5dca865ca74a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5dca865ca74a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5dca865f0573 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5dca865f0573 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5dca865c78e3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5dca865ca592 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5dca865cbbcd - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5dca865cb9d7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5dca8654cc67 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5dca8654cc67 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5dca865cc278 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5dca865cc278 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5dca865cc03a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5dca865cac29 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5dca865cbccc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5dca8646d0c0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5dca8646d506 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x5dca8655cafd - core::result::Result<T,E>::expect::h94517dac40b5abb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1061:23
[INFO] [stdout]   20:     0x5dca8650d774 - mffl::matrices::sparse_ffmatrix::SparseFFMatrix::to_disk::h763f37576366a8d0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrices/sparse_ffmatrix.rs:296:24
[INFO] [stdout]   21:     0x5dca8650fcb8 - <mffl::matrices::sparse_ffmatrix::SparseFFMatrix as mffl::matrices::mat_trait::RankMatrix>::to_disk::h62b5bff999f2fd68
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrices/sparse_ffmatrix.rs:930:9
[INFO] [stdout]   22:     0x5dca864bca26 - mffl::matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving::h8c48f5e656b216d4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrices/sparse_ffmatrix.rs:1067:9
[INFO] [stdout]   23:     0x5dca864bc847 - mffl::matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving::{{closure}}::he44b94e2fb8bace9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrices/sparse_ffmatrix.rs:1054:37
[INFO] [stdout]   24:     0x5dca864c58a6 - core::ops::function::FnOnce::call_once::hf9a471a69b37d30f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dca8655178b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5dca8655178b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   27:     0x5dca86551178 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   28:     0x5dca86551178 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5dca86551178 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   30:     0x5dca86551178 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   31:     0x5dca86551178 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   32:     0x5dca86551178 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   33:     0x5dca86551178 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   34:     0x5dca86514c1a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   35:     0x5dca86514c1a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   36:     0x5dca86518594 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   37:     0x5dca86518594 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5dca86518594 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   39:     0x5dca86518594 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   40:     0x5dca86518594 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   41:     0x5dca86518594 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x5dca86518594 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5dca865d01cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x5dca865d01cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   45:     0x5dca865d01cb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   46:     0x71a1cde01ac3 - <unknown>
[INFO] [stdout]   47:     0x71a1cde92a04 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     matrices::sparse_ffmatrix::tests::disk_loading_and_retrieving
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 38 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "67b6f0a2c85403082c5ea63e9d57153fc13b76fe08d03e703bfef9877600e018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b6f0a2c85403082c5ea63e9d57153fc13b76fe08d03e703bfef9877600e018", kill_on_drop: false }`
[INFO] [stdout] 67b6f0a2c85403082c5ea63e9d57153fc13b76fe08d03e703bfef9877600e018
