[INFO] updating cached repository https://github.com/PhilipDaniels/projecteuler [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 32960482901579f6c3af5ba18865db39eb6c62b9 [INFO] testing PhilipDaniels/projecteuler against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilipDaniels/projecteuler on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-14/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/projecteuler already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab5f2cbab40dd868092e72778440f30517ef9965c2f52cb7521f9438b18712f5 [INFO] running `"docker" "start" "-a" "ab5f2cbab40dd868092e72778440f30517ef9965c2f52cb7521f9438b18712f5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling elapsed v0.1.2 [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `"docker" "inspect" "ab5f2cbab40dd868092e72778440f30517ef9965c2f52cb7521f9438b18712f5"` [INFO] running `"docker" "rm" "-f" "ab5f2cbab40dd868092e72778440f30517ef9965c2f52cb7521f9438b18712f5"` [INFO] [stdout] ab5f2cbab40dd868092e72778440f30517ef9965c2f52cb7521f9438b18712f5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 665856898abc49cd1af041c8919794590c3fd5ce36a06a9af924a8ec6dd3e0f5 [INFO] running `"docker" "start" "-a" "665856898abc49cd1af041c8919794590c3fd5ce36a06a9af924a8ec6dd3e0f5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `"docker" "inspect" "665856898abc49cd1af041c8919794590c3fd5ce36a06a9af924a8ec6dd3e0f5"` [INFO] running `"docker" "rm" "-f" "665856898abc49cd1af041c8919794590c3fd5ce36a06a9af924a8ec6dd3e0f5"` [INFO] [stdout] 665856898abc49cd1af041c8919794590c3fd5ce36a06a9af924a8ec6dd3e0f5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9ad45e392a52664f28544149d499fd1ab8bb9e1721c5bcf1ac7a98ae215fa3c5 [INFO] running `"docker" "start" "-a" "9ad45e392a52664f28544149d499fd1ab8bb9e1721c5bcf1ac7a98ae215fa3c5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/projecteuler-7b4301f18654bbbd [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test calc::tests::gcd_works ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_zero_returns_first_fibs ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_nonzero_returns_correct_fibs ... ok [INFO] [stdout] test calc::tests::collatz_len_works ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_start_at_zero_returns_first_primes ... 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 matrix::tests::from_str_for_two_dimensional_string_returns_correct_vector ... ok [INFO] [stdout] test iterator_adapters::tests::in_range_works ... 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] test calc::tests::divisors_works ... ok [INFO] [stdout] test calc::tests::sqrt_ceil_works ... ok [INFO] [stdout] test calc::tests::sqrt_upper_bound_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_empty_string_returns_empty_matrix ... ok [INFO] [stdout] test matrix::tests::from_str_for_string_containing_non_numbers_returns_err ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_singleton_slice_returns_true ... 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 fibonacci::tests::fib_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test calc::tests::triangle_works ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_empty_slice_returns_true ... ok [INFO] [stdout] test calc::tests::vec_to_num_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "9ad45e392a52664f28544149d499fd1ab8bb9e1721c5bcf1ac7a98ae215fa3c5"` [INFO] running `"docker" "rm" "-f" "9ad45e392a52664f28544149d499fd1ab8bb9e1721c5bcf1ac7a98ae215fa3c5"` [INFO] [stdout] 9ad45e392a52664f28544149d499fd1ab8bb9e1721c5bcf1ac7a98ae215fa3c5