[INFO] cloning repository https://github.com/CyclotomicFields/cyclotomic [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CyclotomicFields/cyclotomic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclotomicFields%2Fcyclotomic"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclotomicFields%2Fcyclotomic'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 49e6cad60a2dfacf9fbdc993f1dbb2f3b569cb2c [INFO] checking CyclotomicFields/cyclotomic against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclotomicFields%2Fcyclotomic" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CyclotomicFields/cyclotomic on toolchain 74e80468347471779be6060d8d7d6d04e98e467f [INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CyclotomicFields/cyclotomic [INFO] finished tweaking git repo https://github.com/CyclotomicFields/cyclotomic [INFO] tweaked toml for git repo https://github.com/CyclotomicFields/cyclotomic written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/CyclotomicFields/cyclotomic already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cc8d04cc25ae7f6ecea35ce4a63d306a76f21b54ddbab20652d49dc4f8f2062a [INFO] running `"docker" "start" "-a" "cc8d04cc25ae7f6ecea35ce4a63d306a76f21b54ddbab20652d49dc4f8f2062a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking combinations v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-integer v0.1.42 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking divisors v0.2.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking cyclotomic v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `num::pow::pow` [INFO] [stderr] --> src/polynomial.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use num::pow::pow; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BigRational` [INFO] [stderr] --> src/polynomial.rs:7:25 [INFO] [stderr] | [INFO] [stderr] 7 | use self::num::{BigInt, BigRational, Zero, ToPrimitive}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `quickcheck::Arbitrary` [INFO] [stderr] --> src/fields/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use quickcheck::Arbitrary; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/primes/primes.rs:148:9 [INFO] [stderr] | [INFO] [stderr] 148 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/prime_counter/legendre.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/prime_counter/meissel.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/prime_counter/lehmer.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num::pow::pow` [INFO] [stderr] --> src/polynomial.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use num::pow::pow; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BigRational` [INFO] [stderr] --> src/polynomial.rs:7:25 [INFO] [stderr] | [INFO] [stderr] 7 | use self::num::{BigInt, BigRational, Zero, ToPrimitive}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::divisors::get_divisors` [INFO] [stderr] --> src/polynomial.rs:126:9 [INFO] [stderr] | [INFO] [stderr] 126 | use super::divisors::get_divisors; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `quickcheck::Arbitrary` [INFO] [stderr] --> src/fields/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use quickcheck::Arbitrary; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `coeffs` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/fields/naive.rs:149:41 [INFO] [stderr] | [INFO] [stderr] 148 | match coeffs.get(&exp) { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 149 | Some(existing_coeff) => coeffs.insert(exp, coeff + existing_coeff), [INFO] [stderr] | ^^^^^^ -------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `result.coeffs` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/fields/naive.rs:182:25 [INFO] [stderr] | [INFO] [stderr] 180 | match result.coeffs.get(&new_exp) { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 181 | Some(existing_coeff) => { [INFO] [stderr] 182 | result.coeffs.insert(new_exp, new_coeff + existing_coeff) [INFO] [stderr] | ^^^^^^^^^^^^^ mutable borrow occurs here -------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ZPlus` [INFO] [stderr] --> src/primes/prime_table.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | type ZPlus = u64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PrimeTableReader` [INFO] [stderr] --> src/primes/prime_table.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct PrimeTableReader<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/primes/prime_table.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn new(directory_path: &Path) -> PrimeTableReader { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `first_million_from_file` [INFO] [stderr] --> src/primes/prime_table.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn first_million_from_file() -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `first_million_primes` [INFO] [stderr] --> src/primes/prime_table.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn first_million_primes(&self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_primes_from_table` [INFO] [stderr] --> src/primes/prime_table.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | fn read_primes_from_table(primes_txt_content: String) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_primes_from_csv` [INFO] [stderr] --> src/primes/prime_table.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | fn read_primes_from_csv(primes_csv_content: String) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `R` [INFO] [stderr] --> src/primes/primes.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | type R = f64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Z` [INFO] [stderr] --> src/primes/primes.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | type Z = i64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `first_n` [INFO] [stderr] --> src/primes/primes.rs:48:12 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn first_n(&self, n: ZPlus) -> Option { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pi_range` [INFO] [stderr] --> src/primes/primes.rs:106:12 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn pi_range(&self, lower_bound: ZPlus, upper_bound: ZPlus) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/prime_counter/legendre.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new(primes: &Primes) -> Legendre { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `legendre_sum_phi` [INFO] [stderr] --> src/prime_counter/legendre.rs:151:12 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn legendre_sum_phi(&self, x: R, a: ZPlus) -> Z { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/prime_counter/meissel.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn new(primes: &Primes) -> Meissel { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/prime_counter/lehmer.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn new(primes: &Primes) -> Lehmer { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Z` [INFO] [stderr] --> src/polynomial.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | type Z = num::bigint::BigInt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Q` [INFO] [stderr] --> src/polynomial.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | type Q = num::rational::BigRational; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ZPlus` [INFO] [stderr] --> src/polynomial.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | type ZPlus = usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Polynomial` [INFO] [stderr] --> src/polynomial.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub struct Polynomial { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/polynomial.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn new(coefficients: Vec, degrees: Vec) -> Polynomial { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `assert_sorted_ascending` [INFO] [stderr] --> src/polynomial.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | fn assert_sorted_ascending(vec: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `substitute` [INFO] [stderr] --> src/polynomial.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn substitute(&self, t: Q) -> Q { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_monic` [INFO] [stderr] --> src/polynomial.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn is_monic(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `degree` [INFO] [stderr] --> src/polynomial.rs:48:12 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn degree(&self) -> ZPlus { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_irreducible_over_q` [INFO] [stderr] --> src/polynomial.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn is_irreducible_over_q(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `divisors` [INFO] [stderr] --> src/polynomial.rs:105:8 [INFO] [stderr] | [INFO] [stderr] 105 | fn divisors(z: Z) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 31 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `coeffs` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/fields/naive.rs:149:41 [INFO] [stderr] | [INFO] [stderr] 148 | match coeffs.get(&exp) { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 149 | Some(existing_coeff) => coeffs.insert(exp, coeff + existing_coeff), [INFO] [stderr] | ^^^^^^ -------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `result.coeffs` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/fields/naive.rs:182:25 [INFO] [stderr] | [INFO] [stderr] 180 | match result.coeffs.get(&new_exp) { [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 181 | Some(existing_coeff) => { [INFO] [stderr] 182 | result.coeffs.insert(new_exp, new_coeff + existing_coeff) [INFO] [stderr] | ^^^^^^^^^^^^^ mutable borrow occurs here -------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `R` [INFO] [stderr] --> src/primes/primes.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | type R = f64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Z` [INFO] [stderr] --> src/primes/primes.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | type Z = i64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.07s [INFO] running `"docker" "inspect" "cc8d04cc25ae7f6ecea35ce4a63d306a76f21b54ddbab20652d49dc4f8f2062a"` [INFO] running `"docker" "rm" "-f" "cc8d04cc25ae7f6ecea35ce4a63d306a76f21b54ddbab20652d49dc4f8f2062a"` [INFO] [stdout] cc8d04cc25ae7f6ecea35ce4a63d306a76f21b54ddbab20652d49dc4f8f2062a