[INFO] updating cached repository https://github.com/hgentry/euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f23f520d8658f312214641f5f5b601460e946eb4 [INFO] testing hgentry/euler against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgentry%2Feuler" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hgentry/euler on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] crate git repo https://github.com/hgentry/euler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eb376ded74b8668dad6de387c696e9b51212ebcabfc0bb61fecd568a7b25e8b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1eb376ded74b8668dad6de387c696e9b51212ebcabfc0bb61fecd568a7b25e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eb376ded74b8668dad6de387c696e9b51212ebcabfc0bb61fecd568a7b25e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eb376ded74b8668dad6de387c696e9b51212ebcabfc0bb61fecd568a7b25e8b", kill_on_drop: false }` [INFO] [stdout] 1eb376ded74b8668dad6de387c696e9b51212ebcabfc0bb61fecd568a7b25e8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e57fc73da440a8a1ca1dd7207eaf47637e3180a9beb7b2b12608b3689d535ca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9e57fc73da440a8a1ca1dd7207eaf47637e3180a9beb7b2b12608b3689d535ca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.20 [INFO] [stderr] Compiling num-traits v0.1.36 [INFO] [stderr] Compiling rustc-serialize v0.3.22 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling ord_subset v3.1.0 [INFO] [stderr] Compiling colored v1.6.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling num-integer v0.1.32 [INFO] [stderr] Compiling num-bigint v0.1.35 [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/problems/p13.rs:140:40 [INFO] [stdout] | [INFO] [stdout] 140 | return result.parse::().unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/problems/p37.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | if(left_truncatable(p)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::primes` [INFO] [stdout] --> src/problems/p40.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::primes; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::primes` [INFO] [stdout] --> src/problems/p42.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::primes; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::vec` [INFO] [stdout] --> src/problems/p43.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::vec; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BTreeMap` [INFO] [stdout] --> src/problems/p615.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::BTreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/problems/p615.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/problems/p615.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/problems/p615.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | else {; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problems/p43.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Some(i) => {}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/p32.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut parse = vec!(i, j, n); [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/problems/p42.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut list : Vec = strings::process_list(s); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/p43.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | let mut sv = to_vec(seventeen); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/math.rs:97:25 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/math.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | pub fn prev_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `right_truncatable` [INFO] [stdout] --> src/problems/p37.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn right_truncatable(p: i64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_permutation` [INFO] [stdout] --> src/utils/math.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_primes` [INFO] [stdout] --> src/utils/primes.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn list_primes(max: i64) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `char_as_val` [INFO] [stdout] --> src/utils/strings.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn char_as_val(c: char) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `subvec` [INFO] [stdout] --> src/utils/vec.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn subvec(v: &Vec, a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.18s [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9e57fc73da440a8a1ca1dd7207eaf47637e3180a9beb7b2b12608b3689d535ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e57fc73da440a8a1ca1dd7207eaf47637e3180a9beb7b2b12608b3689d535ca", kill_on_drop: false }` [INFO] [stdout] 9e57fc73da440a8a1ca1dd7207eaf47637e3180a9beb7b2b12608b3689d535ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2e8b0590bb5cfd092f6f2fc436c8018432059d12d257ef8fe41bdfebe15aaf7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b2e8b0590bb5cfd092f6f2fc436c8018432059d12d257ef8fe41bdfebe15aaf7", kill_on_drop: false }` [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/problems/p13.rs:140:40 [INFO] [stdout] | [INFO] [stdout] 140 | return result.parse::().unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/problems/p37.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | if(left_truncatable(p)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::primes` [INFO] [stdout] --> src/problems/p40.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::primes; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::primes` [INFO] [stdout] --> src/problems/p42.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::primes; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::vec` [INFO] [stdout] --> src/problems/p43.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::vec; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BTreeMap` [INFO] [stdout] --> src/problems/p615.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::BTreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/problems/p615.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/problems/p615.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/problems/p615.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | else {; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/problems/p43.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Some(i) => {}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/p32.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut parse = vec!(i, j, n); [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/problems/p42.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut list : Vec = strings::process_list(s); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/p43.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | let mut sv = to_vec(seventeen); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/math.rs:97:25 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/math.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | pub fn prev_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `right_truncatable` [INFO] [stdout] --> src/problems/p37.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn right_truncatable(p: i64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_permutation` [INFO] [stdout] --> src/utils/math.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn next_permutation(mut input: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_primes` [INFO] [stdout] --> src/utils/primes.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn list_primes(max: i64) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `char_as_val` [INFO] [stdout] --> src/utils/strings.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn char_as_val(c: char) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `subvec` [INFO] [stdout] --> src/utils/vec.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn subvec(v: &Vec, a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "b2e8b0590bb5cfd092f6f2fc436c8018432059d12d257ef8fe41bdfebe15aaf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e8b0590bb5cfd092f6f2fc436c8018432059d12d257ef8fe41bdfebe15aaf7", kill_on_drop: false }` [INFO] [stdout] b2e8b0590bb5cfd092f6f2fc436c8018432059d12d257ef8fe41bdfebe15aaf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 33c9b9d48d3ddf96cc7fd2595fdfd381ae32c29fea181a3bf1cc5f97fc2f022d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "33c9b9d48d3ddf96cc7fd2595fdfd381ae32c29fea181a3bf1cc5f97fc2f022d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/problems/p13.rs:140:40 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 140 | return result.parse::().unwrap();; [INFO] [stdout] [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: 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: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/euler-090902e54808d347 [INFO] running `Command { std: "docker" "inspect" "33c9b9d48d3ddf96cc7fd2595fdfd381ae32c29fea181a3bf1cc5f97fc2f022d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c9b9d48d3ddf96cc7fd2595fdfd381ae32c29fea181a3bf1cc5f97fc2f022d", kill_on_drop: false }` [INFO] [stdout] 33c9b9d48d3ddf96cc7fd2595fdfd381ae32c29fea181a3bf1cc5f97fc2f022d