[INFO] cloning repository https://github.com/PhilipDaniels/projecteuler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/projecteuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32960482901579f6c3af5ba18865db39eb6c62b9 [INFO] testing PhilipDaniels/projecteuler against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilipDaniels/projecteuler on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PhilipDaniels/projecteuler [INFO] finished tweaking git repo https://github.com/PhilipDaniels/projecteuler [INFO] tweaked toml for git repo https://github.com/PhilipDaniels/projecteuler written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/projecteuler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7db438b4ce24a4c1834ef1ff79610d1f5ff1ccd99a62abf3bca031c01353ecb [INFO] running `Command { std: "docker" "start" "-a" "e7db438b4ce24a4c1834ef1ff79610d1f5ff1ccd99a62abf3bca031c01353ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7db438b4ce24a4c1834ef1ff79610d1f5ff1ccd99a62abf3bca031c01353ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7db438b4ce24a4c1834ef1ff79610d1f5ff1ccd99a62abf3bca031c01353ecb", kill_on_drop: false }` [INFO] [stdout] e7db438b4ce24a4c1834ef1ff79610d1f5ff1ccd99a62abf3bca031c01353ecb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6963b5ec2a6ffe742912da5a8c47271e286a6cd3aa35310e9dea15697cf8f36 [INFO] running `Command { std: "docker" "start" "-a" "c6963b5ec2a6ffe742912da5a8c47271e286a6cd3aa35310e9dea15697cf8f36", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling elapsed v0.1.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut x = 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/calc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut exponent = 1; [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/p011_to_p020.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | let mut d = column_sum; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.57s [INFO] running `Command { std: "docker" "inspect" "c6963b5ec2a6ffe742912da5a8c47271e286a6cd3aa35310e9dea15697cf8f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6963b5ec2a6ffe742912da5a8c47271e286a6cd3aa35310e9dea15697cf8f36", kill_on_drop: false }` [INFO] [stdout] c6963b5ec2a6ffe742912da5a8c47271e286a6cd3aa35310e9dea15697cf8f36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 707ac2347b65a9e07b551d27b3317aa2d087b7308ecf73095e17e975a90a6d8e [INFO] running `Command { std: "docker" "start" "-a" "707ac2347b65a9e07b551d27b3317aa2d087b7308ecf73095e17e975a90a6d8e", kill_on_drop: false }` [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut x = 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/calc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut exponent = 1; [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/p011_to_p020.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | let mut d = column_sum; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "707ac2347b65a9e07b551d27b3317aa2d087b7308ecf73095e17e975a90a6d8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707ac2347b65a9e07b551d27b3317aa2d087b7308ecf73095e17e975a90a6d8e", kill_on_drop: false }` [INFO] [stdout] 707ac2347b65a9e07b551d27b3317aa2d087b7308ecf73095e17e975a90a6d8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7d77db894c049fb8d3422562b7f3ab2f9b44ad94fcc7b52f6c6ba1920012fdb1 [INFO] running `Command { std: "docker" "start" "-a" "7d77db894c049fb8d3422562b7f3ab2f9b44ad94fcc7b52f6c6ba1920012fdb1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/calc.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | let mut x = 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/calc.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | let mut exponent = 1; [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/p011_to_p020.rs:379:13 [INFO] [stderr] | [INFO] [stderr] 379 | let mut d = column_sum; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `projecteuler` (bin "projecteuler" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/projecteuler-0b8f3e4144e78a0f) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test calc::tests::gcd_works ... ok [INFO] [stdout] test calc::tests::sqrt_upper_bound_works ... ok [INFO] [stdout] test calc::tests::sqrt_ceil_works ... ok [INFO] [stdout] test calc::tests::triangle_works ... ok [INFO] [stdout] test calc::tests::collatz_len_works ... ok [INFO] [stdout] test calc::tests::divisors_works ... ok [INFO] [stdout] test calc::tests::vec_to_num_works ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_nonzero_returns_correct_fibs ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_zero_returns_first_fibs ... ok [INFO] [stdout] test iterator_adapters::tests::in_range_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_empty_string_returns_empty_matrix ... ok [INFO] [stdout] test matrix::tests::from_str_for_one_dimensional_string_returns_correct_vector ... ok [INFO] [stdout] test matrix::tests::from_str_for_string_containing_different_numbers_of_cols_returns_err ... ok [INFO] [stdout] test matrix::tests::from_str_for_string_containing_non_numbers_returns_err ... ok [INFO] [stdout] test matrix::tests::from_str_for_two_dimensional_string_returns_correct_vector ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_start_at_nonzero_returns_correct_primes ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_singleton_slice_returns_true ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_start_at_zero_returns_first_primes ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_empty_slice_returns_true ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_slices_which_are_palindromes_returns_true ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_slices_which_are_not_palindromes_returns_false ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7d77db894c049fb8d3422562b7f3ab2f9b44ad94fcc7b52f6c6ba1920012fdb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d77db894c049fb8d3422562b7f3ab2f9b44ad94fcc7b52f6c6ba1920012fdb1", kill_on_drop: false }` [INFO] [stdout] 7d77db894c049fb8d3422562b7f3ab2f9b44ad94fcc7b52f6c6ba1920012fdb1