[INFO] updating cached repository https://github.com/Herbert-Karl/project_euler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 23cbf9f47cbf75e035bbdd0cf353aad66bc126af
[INFO] testing Herbert-Karl/project_euler against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerbert-Karl%2Fproject_euler" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Herbert-Karl/project_euler on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Herbert-Karl/project_euler
[INFO] finished tweaking git repo https://github.com/Herbert-Karl/project_euler
[INFO] tweaked toml for git repo https://github.com/Herbert-Karl/project_euler written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Herbert-Karl/project_euler already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 84b02fce01ae41d1238d247a14601378676dbd3254fc611379f69af57b323c92
[INFO] running `"docker" "start" "-a" "84b02fce01ae41d1238d247a14601378676dbd3254fc611379f69af57b323c92"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/problem_0009.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 11 |     let mut triplet: (u32, u32, u32) = (1, 2, 3);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]   --> src/common.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn factorial(n: u128) -> u128 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_pandigital`
[INFO] [stderr]    --> src/common.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn is_pandigital(n: u64) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smallest_multiple`
[INFO] [stderr]  --> src/problem_0005.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn smallest_multiple(n: u128) -> u128 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `special_pythagorean_triplet`
[INFO] [stderr]  --> src/problem_0009.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn special_pythagorean_triplet() -> ((u32, u32, u32), u32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_digit_sum`
[INFO] [stderr]  --> src/problem_0020.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn factorial_digit_sum(n: u128) -> u128 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "84b02fce01ae41d1238d247a14601378676dbd3254fc611379f69af57b323c92"`
[INFO] running `"docker" "rm" "-f" "84b02fce01ae41d1238d247a14601378676dbd3254fc611379f69af57b323c92"`
[INFO] [stdout] 84b02fce01ae41d1238d247a14601378676dbd3254fc611379f69af57b323c92
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 547b3480b8c43cc5a4c0ae9555736416ef92eabe539f87b203464d4ab497d93f
[INFO] running `"docker" "start" "-a" "547b3480b8c43cc5a4c0ae9555736416ef92eabe539f87b203464d4ab497d93f"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/problem_0009.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 11 |     let mut triplet: (u32, u32, u32) = (1, 2, 3);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `special_pythagorean_triplet`
[INFO] [stderr]  --> src/problem_0009.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn special_pythagorean_triplet() -> ((u32, u32, u32), u32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "547b3480b8c43cc5a4c0ae9555736416ef92eabe539f87b203464d4ab497d93f"`
[INFO] running `"docker" "rm" "-f" "547b3480b8c43cc5a4c0ae9555736416ef92eabe539f87b203464d4ab497d93f"`
[INFO] [stdout] 547b3480b8c43cc5a4c0ae9555736416ef92eabe539f87b203464d4ab497d93f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 36204f806fce8b3da530c6a087fdf3d856dec863cae5c56330e940e1257648eb
[INFO] running `"docker" "start" "-a" "36204f806fce8b3da530c6a087fdf3d856dec863cae5c56330e940e1257648eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/project_euler-d0cbcb387e438ed8
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::amicable_pair_t01 ... ok
[INFO] [stdout] test tests::amicable_pair_t00 ... ok
[INFO] [stdout] test tests::factorial_t00 ... ok
[INFO] [stdout] test tests::collatz_sequence_t00 ... ok
[INFO] [stdout] test tests::factorial_t01 ... ok
[INFO] [stdout] test tests::factorial_t02 ... ok
[INFO] [stdout] test tests::is_palindrome_t00 ... ok
[INFO] [stdout] test tests::is_pandigital_t01 ... ok
[INFO] [stdout] test tests::problem_10_t00 ... ok
[INFO] [stdout] test tests::problem_20_t00 ... ok
[INFO] [stdout] test tests::problem_12_t00 ... ok
[INFO] [stdout] test tests::is_pandigital_t00 ... ok
[INFO] [stdout] test tests::problem_7_t00 ... ok
[INFO] [stdout] test tests::problem_6_t00 ... ok
[INFO] [stdout] test tests::problem_5_t00 ... ok
[INFO] [stdout] test tests::proper_divisors_t01 ... ok
[INFO] [stdout] test tests::problem_8_t00 ... ok
[INFO] [stdout] test tests::problem_3_t00 ... ok
[INFO] [stdout] test tests::proper_divisors_t00 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "36204f806fce8b3da530c6a087fdf3d856dec863cae5c56330e940e1257648eb"`
[INFO] running `"docker" "rm" "-f" "36204f806fce8b3da530c6a087fdf3d856dec863cae5c56330e940e1257648eb"`
[INFO] [stdout] 36204f806fce8b3da530c6a087fdf3d856dec863cae5c56330e940e1257648eb