[INFO] updating cached repository spbots/euler-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/spbots/euler-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/spbots/euler-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/spbots/euler-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/spbots/euler-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spbots/euler-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a0896613dacec4a508471d4e8e6cae82c04da66
[INFO] sha for GitHub repo spbots/euler-rs: 9a0896613dacec4a508471d4e8e6cae82c04da66
[INFO] validating manifest of spbots/euler-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spbots/euler-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spbots/euler-rs
[INFO] finished frobbing spbots/euler-rs
[INFO] frobbed toml for spbots/euler-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/spbots/euler-rs/Cargo.toml
[INFO] started frobbing spbots/euler-rs
[INFO] finished frobbing spbots/euler-rs
[INFO] frobbed toml for spbots/euler-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs/Cargo.toml
[INFO] crate spbots/euler-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spbots/euler-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5744a69261ed45974c4d9c0fd6cfd4f21ee66529636fc1528617fcc4e8846099
[INFO] running `"docker" "start" "-a" "5744a69261ed45974c4d9c0fd6cfd4f21ee66529636fc1528617fcc4e8846099"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/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 2.42s
[INFO] running `"docker" "inspect" "5744a69261ed45974c4d9c0fd6cfd4f21ee66529636fc1528617fcc4e8846099"`
[INFO] running `"docker" "rm" "-f" "5744a69261ed45974c4d9c0fd6cfd4f21ee66529636fc1528617fcc4e8846099"`
[INFO] [stdout] 5744a69261ed45974c4d9c0fd6cfd4f21ee66529636fc1528617fcc4e8846099
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] eb227345c55a4ce3686c520d8839e20d27782ffd3449011a1ee6c3365d5fdcaf
[INFO] running `"docker" "start" "-a" "eb227345c55a4ce3686c520d8839e20d27782ffd3449011a1ee6c3365d5fdcaf"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "eb227345c55a4ce3686c520d8839e20d27782ffd3449011a1ee6c3365d5fdcaf"`
[INFO] running `"docker" "rm" "-f" "eb227345c55a4ce3686c520d8839e20d27782ffd3449011a1ee6c3365d5fdcaf"`
[INFO] [stdout] eb227345c55a4ce3686c520d8839e20d27782ffd3449011a1ee6c3365d5fdcaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spbots/euler-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] eb91413f42c41b9825ce52762af0f89a21a3a1f70b87d2174a17190b42256c13
[INFO] running `"docker" "start" "-a" "eb91413f42c41b9825ce52762af0f89a21a3a1f70b87d2174a17190b42256c13"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-3c8b2abb5a55681f
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test euler::bit_vector::dummy_test ... ok
[INFO] [stdout] test euler::e002::euler_002 ... ok
[INFO] [stdout] test euler::e001::euler_001 ... ok
[INFO] [stdout] test euler::e008::euler_008 ... ok
[INFO] [stdout] test euler::e006::euler_006 ... ok
[INFO] [stdout] test euler::e004::euler_004 ... ok
[INFO] [stdout] test euler::e005::euler_005 ... ok
[INFO] [stdout] test euler::e013::euler_013 ... ok
[INFO] [stdout] test euler::e015::euler_015 ... ok
[INFO] [stdout] test euler::e011::euler_011 ... ok
[INFO] [stdout] test euler::e012::euler_012 ... ok
[INFO] [stdout] test euler::e019::euler_019 ... ok
[INFO] [stdout] test euler::e024::euler_024 ... ok
[INFO] [stdout] test euler::e031::euler_031 ... ok
[INFO] [stdout] test euler::e009::euler_009 ... ok
[INFO] [stdout] test euler::prime_utils::primes_below_100 ... ok
[INFO] [stdout] test euler::e036::euler_036 ... ok
[INFO] [stdout] test euler::wheel_factorization::test_build_wheel ... ok
[INFO] [stdout] test euler::e003::euler_003 ... ok
[INFO] [stdout] test euler::e017::euler_017 ... ok
[INFO] [stdout] test euler::wheel_factorization::test_full_factorization ... 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" "eb91413f42c41b9825ce52762af0f89a21a3a1f70b87d2174a17190b42256c13"`
[INFO] running `"docker" "rm" "-f" "eb91413f42c41b9825ce52762af0f89a21a3a1f70b87d2174a17190b42256c13"`
[INFO] [stdout] eb91413f42c41b9825ce52762af0f89a21a3a1f70b87d2174a17190b42256c13