[INFO] cloning repository PhilipDaniels/projecteuler [INFO] running `"git" "clone" "--bare" "git://github.com/PhilipDaniels/projecteuler.git" "work/cache/sources/gh/PhilipDaniels/projecteuler"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/PhilipDaniels/projecteuler'... [INFO] running `"git" "clone" "work/cache/sources/gh/PhilipDaniels/projecteuler" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/PhilipDaniels/projecteuler" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PhilipDaniels/projecteuler"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PhilipDaniels/projecteuler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 32960482901579f6c3af5ba18865db39eb6c62b9 [INFO] sha for GitHub repo PhilipDaniels/projecteuler: 32960482901579f6c3af5ba18865db39eb6c62b9 [INFO] validating manifest of PhilipDaniels/projecteuler on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of PhilipDaniels/projecteuler on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing PhilipDaniels/projecteuler [INFO] finished frobbing PhilipDaniels/projecteuler [INFO] frobbed toml for PhilipDaniels/projecteuler written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler/Cargo.toml [INFO] started frobbing PhilipDaniels/projecteuler [INFO] finished frobbing PhilipDaniels/projecteuler [INFO] frobbed toml for PhilipDaniels/projecteuler written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/PhilipDaniels/projecteuler/Cargo.toml [INFO] crate PhilipDaniels/projecteuler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing PhilipDaniels/projecteuler against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 50e91298ab409fa5579793142ddaf1eeadcf626d04b33fded60d7a4f934b36b1 [INFO] running `"docker" "start" "-a" "50e91298ab409fa5579793142ddaf1eeadcf626d04b33fded60d7a4f934b36b1"` [INFO] [stderr] Compiling elapsed v0.1.2 [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 4.25s [INFO] running `"docker" "inspect" "50e91298ab409fa5579793142ddaf1eeadcf626d04b33fded60d7a4f934b36b1"` [INFO] running `"docker" "rm" "-f" "50e91298ab409fa5579793142ddaf1eeadcf626d04b33fded60d7a4f934b36b1"` [INFO] [stdout] 50e91298ab409fa5579793142ddaf1eeadcf626d04b33fded60d7a4f934b36b1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 064a7a18e2ddc3bbf578feb298c2865f7b007f568a529b9e576f7633e1fd58ba [INFO] running `"docker" "start" "-a" "064a7a18e2ddc3bbf578feb298c2865f7b007f568a529b9e576f7633e1fd58ba"` [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `"docker" "inspect" "064a7a18e2ddc3bbf578feb298c2865f7b007f568a529b9e576f7633e1fd58ba"` [INFO] running `"docker" "rm" "-f" "064a7a18e2ddc3bbf578feb298c2865f7b007f568a529b9e576f7633e1fd58ba"` [INFO] [stdout] 064a7a18e2ddc3bbf578feb298c2865f7b007f568a529b9e576f7633e1fd58ba [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/PhilipDaniels/projecteuler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 223f99947ba17feb6af5cece20f2e7f4f939728986d90235676fb32a7319e38b [INFO] running `"docker" "start" "-a" "223f99947ba17feb6af5cece20f2e7f4f939728986d90235676fb32a7319e38b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/projecteuler-73024ed802cd6181 [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test calc::tests::sqrt_upper_bound_works ... ok [INFO] [stdout] test calc::tests::triangle_works ... ok [INFO] [stdout] test calc::tests::vec_to_num_works ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_nonzero_returns_correct_fibs ... ok [INFO] [stdout] test calc::tests::divisors_works ... ok [INFO] [stdout] test calc::tests::sqrt_ceil_works ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test calc::tests::collatz_len_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_two_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 iterator_adapters::tests::in_range_works ... ok [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 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 prime::tests::primes_in_range_for_start_at_zero_returns_first_primes ... ok [INFO] [stdout] test matrix::tests::from_str_for_empty_string_returns_empty_matrix ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_singleton_slice_returns_true ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_slices_which_are_not_palindromes_returns_false ... 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 matrix::tests::from_str_for_string_containing_non_numbers_returns_err ... ok [INFO] [stdout] test matrix::tests::from_str_for_one_dimensional_string_returns_correct_vector ... 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" "223f99947ba17feb6af5cece20f2e7f4f939728986d90235676fb32a7319e38b"` [INFO] running `"docker" "rm" "-f" "223f99947ba17feb6af5cece20f2e7f4f939728986d90235676fb32a7319e38b"` [INFO] [stdout] 223f99947ba17feb6af5cece20f2e7f4f939728986d90235676fb32a7319e38b