[INFO] cloning repository https://github.com/hgentry/euler [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgentry/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgentry%2Feuler"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgentry%2Feuler'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f23f520d8658f312214641f5f5b601460e946eb4 [INFO] checking hgentry/euler against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgentry%2Feuler" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hgentry/euler on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/hgentry/euler [INFO] finished tweaking git repo https://github.com/hgentry/euler [INFO] tweaked toml for git repo https://github.com/hgentry/euler written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/hgentry/euler already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] f3c43f49ddb0a1bfe184929ad33fad9ad0bfb936da96378571cfdc4cebcbd6b6 [INFO] running `"docker" "start" "-a" "f3c43f49ddb0a1bfe184929ad33fad9ad0bfb936da96378571cfdc4cebcbd6b6"` [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Checking rustc-serialize v0.3.22 [INFO] [stderr] Checking ord_subset v3.1.0 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking colored v1.6.0 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/problems/p13.rs:140:40 [INFO] [stderr] | [INFO] [stderr] 140 | return result.parse::().unwrap();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/problems/p37.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | if(left_truncatable(p)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::primes` [INFO] [stderr] --> src/problems/p40.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::primes; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::primes` [INFO] [stderr] --> src/problems/p42.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::primes; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::vec` [INFO] [stderr] --> src/problems/p43.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::vec; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::BTreeMap` [INFO] [stderr] --> src/problems/p615.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::BTreeMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/problems/p615.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/problems/p615.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/problems/p615.rs:50:10 [INFO] [stderr] | [INFO] [stderr] 50 | else {; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/problems/p13.rs:140:40 [INFO] [stderr] | [INFO] [stderr] 140 | return result.parse::().unwrap();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/problems/p37.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | if(left_truncatable(p)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::primes` [INFO] [stderr] --> src/problems/p40.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::primes; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::primes` [INFO] [stderr] --> src/problems/p42.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::primes; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::vec` [INFO] [stderr] --> src/problems/p43.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use utils::vec; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::BTreeMap` [INFO] [stderr] --> src/problems/p615.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::BTreeMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/problems/p615.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/problems/p615.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/problems/p615.rs:50:10 [INFO] [stderr] | [INFO] [stderr] 50 | else {; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problems/p43.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | Some(i) => {}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problems/p43.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | Some(i) => {}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/p32.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut parse = vec!(i, j, n); [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/problems/p42.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | let mut list : Vec = strings::process_list(s); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/p43.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let mut sv = to_vec(seventeen); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/math.rs:97:25 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/math.rs:161:25 [INFO] [stderr] | [INFO] [stderr] 161 | pub fn prev_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `right_truncatable` [INFO] [stderr] --> src/problems/p37.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn right_truncatable(p: i64) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_permutation` [INFO] [stderr] --> src/utils/math.rs:97:8 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `list_primes` [INFO] [stderr] --> src/utils/primes.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn list_primes(max: i64) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `char_as_val` [INFO] [stderr] --> src/utils/strings.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn char_as_val(c: char) -> i64 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `subvec` [INFO] [stderr] --> src/utils/vec.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn subvec(v: &Vec, a: usize, b: usize) -> Vec { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/p32.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut parse = vec!(i, j, n); [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/problems/p42.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | let mut list : Vec = strings::process_list(s); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/p43.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let mut sv = to_vec(seventeen); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/math.rs:97:25 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/math.rs:161:25 [INFO] [stderr] | [INFO] [stderr] 161 | pub fn prev_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `right_truncatable` [INFO] [stderr] --> src/problems/p37.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn right_truncatable(p: i64) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_permutation` [INFO] [stderr] --> src/utils/math.rs:97:8 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `list_primes` [INFO] [stderr] --> src/utils/primes.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn list_primes(max: i64) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `char_as_val` [INFO] [stderr] --> src/utils/strings.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn char_as_val(c: char) -> i64 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `subvec` [INFO] [stderr] --> src/utils/vec.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn subvec(v: &Vec, a: usize, b: usize) -> Vec { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.03s [INFO] running `"docker" "inspect" "f3c43f49ddb0a1bfe184929ad33fad9ad0bfb936da96378571cfdc4cebcbd6b6"` [INFO] running `"docker" "rm" "-f" "f3c43f49ddb0a1bfe184929ad33fad9ad0bfb936da96378571cfdc4cebcbd6b6"` [INFO] [stdout] f3c43f49ddb0a1bfe184929ad33fad9ad0bfb936da96378571cfdc4cebcbd6b6