[INFO] fetching crate cyclotomic 0.1.0...
[INFO] checking cyclotomic-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate cyclotomic 0.1.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate cyclotomic 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyclotomic 0.1.0
[INFO] finished tweaking crates.io crate cyclotomic 0.1.0
[INFO] tweaked toml for crates.io crate cyclotomic 0.1.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate crates.io crate cyclotomic 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combinations v0.1.0
[INFO] [stderr]   Downloaded divisors v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c3099ccffb9a913b19001953a833ec75688d6f1c875634399d0bf75ae6dcb35
[INFO] running `Command { std: "docker" "start" "-a" "3c3099ccffb9a913b19001953a833ec75688d6f1c875634399d0bf75ae6dcb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3099ccffb9a913b19001953a833ec75688d6f1c875634399d0bf75ae6dcb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3099ccffb9a913b19001953a833ec75688d6f1c875634399d0bf75ae6dcb35", kill_on_drop: false }`
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[INFO] [stdout] 4cd2690e7eba350b949099b513baf407c01f812a4a5da6bca12e663f97cfd5bd
[INFO] running `Command { std: "docker" "start" "-a" "4cd2690e7eba350b949099b513baf407c01f812a4a5da6bca12e663f97cfd5bd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking combinations v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking divisors v0.2.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking cyclotomic v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BigInt`
[INFO] [stdout]   --> src/divisors/library_divisors.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |         vec.iter().map(|&i| BigInt::from(i)).collect()
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use num::BigInt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BigInt`
[INFO] [stdout]   --> src/prime_factors/recursive_prime_factorize.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |         vec.iter().map(|&i| BigInt::from(i)).collect()
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use num::BigInt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Z`
[INFO] [stdout]   --> src/polynomial/substitute.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |             return Q::from(Z::from(n));
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/polynomial/polynomial.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub type Q = num::rational::BigRational;
[INFO] [stdout]    | ---------------------------------------- similarly named type alias `Q` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a type alias with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 25 |             return Q::from(Q::from(n));
[INFO] [stdout]    |                            ~
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 19 |     use crate::polynomial::polynomial::Z;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Arbitrary` in this scope
[INFO] [stdout]    --> src/fields/sparse/mod.rs:335:10
[INFO] [stdout]     |
[INFO] [stdout] 335 |     impl Arbitrary for Number {
[INFO] [stdout]     |          ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use quickcheck::Arbitrary;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Gen` in this scope
[INFO] [stdout]    --> src/fields/sparse/mod.rs:338:16
[INFO] [stdout]     |
[INFO] [stdout] 338 |             G: Gen,
[INFO] [stdout]     |                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use quickcheck::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/primes/primes.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/prime_counter/legendre.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/prime_counter/meissel.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/prime_counter/lehmer.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/polynomial/construct.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/polynomial/negate.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cyclotomic` due to 6 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr]        Fixed src/polynomial/construct.rs (3 fixes)
[INFO] [stderr]        Fixed src/polynomial/subtract.rs (1 fix)
[INFO] [stderr]        Fixed src/fields/sparse/add.rs (2 fixes)
[INFO] [stderr]        Fixed src/polynomial/divide.rs (2 fixes)
[INFO] [stderr]        Fixed src/divisors/euclid.rs (4 fixes)
[INFO] [stderr]        Fixed src/fields/sparse/basis.rs (3 fixes)
[INFO] [stderr]        Fixed src/polynomial/polynomial.rs (2 fixes)
[INFO] [stderr]        Fixed src/polynomial/multiply.rs (1 fix)
[INFO] [stderr]        Fixed src/fields/sparse/mul.rs (3 fixes)
[INFO] [stderr]        Fixed src/polynomial/substitute.rs (1 fix)
[INFO] [stderr]        Fixed src/fields/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/polynomial/add.rs (2 fixes)
[INFO] [stderr]        Fixed src/polynomial/display.rs (1 fix)
[INFO] [stderr]        Fixed src/fields/sparse/mod.rs (11 fixes)
[INFO] [stderr]        Fixed src/divisors/library_divisors.rs (1 fix)
[INFO] [stderr]        Fixed src/divisors/divisors.rs (1 fix)
[INFO] [stderr]        Fixed src/prime_factors/recursive_prime_factorize.rs (1 fix)
[INFO] [stderr]        Fixed src/coprime_counter/hybrid_coprime_counter.rs (1 fix)
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/divisors/euclid.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Div, Sub};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/divisors/euclid.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Div, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MultiplicativeGroup`
[INFO] [stdout]  --> src/fields/sparse/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::fields::{MultiplicativeGroup};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mul`
[INFO] [stdout]   --> src/fields/sparse/mod.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::ops::{AddAssign, Mul, SubAssign};
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `coeffs` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/fields/sparse/add.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |             match coeffs.get(&exp).clone() {
[INFO] [stdout]    |                   ------ immutable borrow occurs here
[INFO] [stdout] 20 |                 Some(existing_coeff) => coeffs.insert(exp, coeff + existing_coeff),
[INFO] [stdout]    |                                         ^^^^^^                     -------------- immutable borrow later used here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `z.coeffs` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/fields/sparse/basis.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |             match z.coeffs.get(&(gcd*exp)) {
[INFO] [stdout]    |                   -------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 78 |                     z.coeffs.insert(exp, coeff.clone());
[INFO] [stdout]    |                     ^^^^^^^^             ----- immutable borrow later used here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ZPlus`
[INFO] [stdout]  --> src/primes/prime_table.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type ZPlus = u64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PrimeTableReader`
[INFO] [stdout]  --> src/primes/prime_table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PrimeTableReader<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/primes/prime_table.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(directory_path: &Path) -> PrimeTableReader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first_million_from_file`
[INFO] [stdout]   --> src/primes/prime_table.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn first_million_from_file() -> Option<PrimeTableReader<'a>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first_million_primes`
[INFO] [stdout]   --> src/primes/prime_table.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn first_million_primes(&self) -> Vec<ZPlus> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_primes_from_table`
[INFO] [stdout]   --> src/primes/prime_table.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn read_primes_from_table(primes_txt_content: String) -> Vec<ZPlus> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_primes_from_csv`
[INFO] [stdout]   --> src/primes/prime_table.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn read_primes_from_csv(primes_csv_content: String) -> Vec<ZPlus> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `R`
[INFO] [stdout]  --> src/primes/primes.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type R = f64;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Z`
[INFO] [stdout]  --> src/primes/primes.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Z = i64;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first_n`
[INFO] [stdout]   --> src/primes/primes.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn first_n(&self, n: ZPlus) -> Option<Primes> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pi_range`
[INFO] [stdout]    --> src/primes/primes.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn pi_range(&self, lower_bound: ZPlus, upper_bound: ZPlus) -> Option<ZPlus> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/prime_counter/legendre.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(primes: &Primes) -> Legendre {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `legendre_sum_phi`
[INFO] [stdout]    --> src/prime_counter/legendre.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn legendre_sum_phi(&self, x: R, a: ZPlus) -> Z {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/prime_counter/meissel.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(primes: &Primes) -> Meissel {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/prime_counter/lehmer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(primes: &Primes) -> Lehmer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/divisors/library_divisors.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> LibraryDivisors {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Z`
[INFO] [stdout]  --> src/divisors/euclid.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Z = num::bigint::BigInt;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Euclid`
[INFO] [stdout]   --> src/divisors/euclid.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Euclid {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/divisors/euclid.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Euclid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extended_euclidean_augmented_matrix_result_rows`
[INFO] [stdout]   --> src/divisors/euclid.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn extended_euclidean_augmented_matrix_result_rows(&self, m: &Z, n: &Z) -> (Vec<Z>, Vec<Z>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gcd`
[INFO] [stdout]   --> src/divisors/euclid.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn gcd(&self, m: &Z, n: &Z) -> Z {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiplicative_inverse_mod_n`
[INFO] [stdout]   --> src/divisors/euclid.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn multiplicative_inverse_mod_n(&self, i: &Z, n: &Z) -> Option<Z> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiplicative_inverse_mod_polynomial`
[INFO] [stdout]    --> src/divisors/euclid.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn multiplicative_inverse_mod_polynomial(&self, p: Polynomial, m: Polynomial) -> Option<Polynomial> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/prime_factors/recursive_prime_factorize.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(divisors_strategy: D) -> RecursivePrimeFactorize<D> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/prime_factors/recursive_prime_factorize.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn default() -> RecursivePrimeFactorize<LibraryDivisors> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Q`
[INFO] [stdout]  --> src/coprime_counter/hybrid_coprime_counter.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Q = num::rational::BigRational;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/coprime_counter/hybrid_coprime_counter.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(prime_factorizer: PF) -> HybridCoprimeCounter<PF> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/coprime_counter/hybrid_coprime_counter.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> HybridCoprimeCounter<RecursivePrimeFactorize<LibraryDivisors>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `constant_term_coefficient`
[INFO] [stdout]   --> src/polynomial/polynomial.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn constant_term_coefficient(&self) -> &Q {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_monic`
[INFO] [stdout]   --> src/polynomial/polynomial.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn is_monic(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_small_fractions`
[INFO] [stdout]   --> src/polynomial/construct.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn from_small_fractions(coefficient_numerators: Vec<i64>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `substitute`
[INFO] [stdout]  --> src/polynomial/substitute.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn substitute(&self, t: Q) -> Q {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_irreducible_over_q`
[INFO] [stdout]  --> src/polynomial/is_irreducible.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn is_irreducible_over_q(&self,
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_irreducible_by_eisenstein_criterion`
[INFO] [stdout]    --> src/polynomial/is_irreducible.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn is_irreducible_by_eisenstein_criterion(coefficients: &Vec<Z>, prime_factorizer: &impl PrimeFactorize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert_to_integer_coefficients`
[INFO] [stdout]    --> src/polynomial/is_irreducible.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn convert_to_integer_coefficients(&self) -> Polynomial {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_integer_coefficients`
[INFO] [stdout]    --> src/polynomial/is_irreducible.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn try_integer_coefficients(&self) -> Vec<Z> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_same_coeff`
[INFO] [stdout]   --> src/fields/sparse/mod.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn get_same_coeff(z: &Number) -> Option<Q> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "4cd2690e7eba350b949099b513baf407c01f812a4a5da6bca12e663f97cfd5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd2690e7eba350b949099b513baf407c01f812a4a5da6bca12e663f97cfd5bd", kill_on_drop: false }`
[INFO] [stdout] 4cd2690e7eba350b949099b513baf407c01f812a4a5da6bca12e663f97cfd5bd