[INFO] updating cached repository https://github.com/spbots/euler-rs
[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] 9a0896613dacec4a508471d4e8e6cae82c04da66
[INFO] testing spbots/euler-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspbots%2Feuler-rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spbots/euler-rs 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/spbots/euler-rs
[INFO] finished tweaking git repo https://github.com/spbots/euler-rs
[INFO] tweaked toml for git repo https://github.com/spbots/euler-rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/spbots/euler-rs 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 75e181b96d0dc66d103831fd9f825806c27773c26efc8dd22369d23132c388b3
[INFO] running `"docker" "start" "-a" "75e181b96d0dc66d103831fd9f825806c27773c26efc8dd22369d23132c388b3"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `prime_factorization`
[INFO] [stderr]   --> src/euler/wheel_factorization.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn prime_factorization(n: u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divisors_for_number`
[INFO] [stderr]   --> src/euler/e012.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / fn divisors_for_number(
[INFO] [stderr] 33 | |     n: u64,
[INFO] [stderr] 34 | |     w: &wheel_factorization::FactorizationWheel,
[INFO] [stderr] 35 | | ) -> HashSet<u64> {
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     ds
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_triangle_number_with_n_divisors`
[INFO] [stderr]   --> src/euler/e012.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn first_triangle_number_with_n_divisors(n: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "75e181b96d0dc66d103831fd9f825806c27773c26efc8dd22369d23132c388b3"`
[INFO] running `"docker" "rm" "-f" "75e181b96d0dc66d103831fd9f825806c27773c26efc8dd22369d23132c388b3"`
[INFO] [stdout] 75e181b96d0dc66d103831fd9f825806c27773c26efc8dd22369d23132c388b3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] fbd4043cbe571ae50fc25edfb502495dae7b38f25c94029108074cae9977cba4
[INFO] running `"docker" "start" "-a" "fbd4043cbe571ae50fc25edfb502495dae7b38f25c94029108074cae9977cba4"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "fbd4043cbe571ae50fc25edfb502495dae7b38f25c94029108074cae9977cba4"`
[INFO] running `"docker" "rm" "-f" "fbd4043cbe571ae50fc25edfb502495dae7b38f25c94029108074cae9977cba4"`
[INFO] [stdout] fbd4043cbe571ae50fc25edfb502495dae7b38f25c94029108074cae9977cba4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] cfa1fc3f438f3563ec0cd1be66473d17776e03e257d9b3153c6be0f6ab27fc3e
[INFO] running `"docker" "start" "-a" "cfa1fc3f438f3563ec0cd1be66473d17776e03e257d9b3153c6be0f6ab27fc3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-e3248f0ea734d24c
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test euler::bit_vector::dummy_test ... ok
[INFO] [stdout] test euler::e001::euler_001 ... ok
[INFO] [stdout] test euler::e002::euler_002 ... ok
[INFO] [stdout] test euler::e006::euler_006 ... ok
[INFO] [stdout] test euler::e013::euler_013 ... ok
[INFO] [stdout] test euler::e017::euler_017 ... ok
[INFO] [stdout] test euler::e019::euler_019 ... ok
[INFO] [stdout] test euler::e015::euler_015 ... ok
[INFO] [stdout] test euler::e011::euler_011 ... ok
[INFO] [stdout] test euler::e031::euler_031 ... ok
[INFO] [stdout] test euler::e024::euler_024 ... ok
[INFO] [stdout] test euler::e008::euler_008 ... ok
[INFO] [stdout] test euler::prime_utils::primes_below_100 ... ok
[INFO] [stdout] test euler::e012::euler_012 ... ok
[INFO] [stdout] test euler::e009::euler_009 ... ok
[INFO] [stdout] test euler::wheel_factorization::test_build_wheel ... ok
[INFO] [stdout] test euler::wheel_factorization::test_full_factorization ... ok
[INFO] [stdout] test euler::e005::euler_005 ... ok
[INFO] [stdout] test euler::e004::euler_004 ... ok
[INFO] [stdout] test euler::e036::euler_036 ... ok
[INFO] [stdout] test euler::e003::euler_003 ... ok
[INFO] [stdout] test euler::wheel_factorization::test ... ok
[INFO] [stdout] test euler::e007::euler_007 ... ok
[INFO] [stdout] test euler::e035::euler_035 ... ok
[INFO] [stdout] test euler::e010::euler_010 ... ok
[INFO] [stdout] test euler::e014::euler_014 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cfa1fc3f438f3563ec0cd1be66473d17776e03e257d9b3153c6be0f6ab27fc3e"`
[INFO] running `"docker" "rm" "-f" "cfa1fc3f438f3563ec0cd1be66473d17776e03e257d9b3153c6be0f6ab27fc3e"`
[INFO] [stdout] cfa1fc3f438f3563ec0cd1be66473d17776e03e257d9b3153c6be0f6ab27fc3e