[INFO] updating cached repository https://github.com/msevilgenius/rusty-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] 8ef8da5845b6c162420580cfee9eec54a04c0442
[INFO] testing msevilgenius/rusty-euler against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsevilgenius%2Frusty-euler" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msevilgenius/rusty-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/msevilgenius/rusty-euler
[INFO] finished tweaking git repo https://github.com/msevilgenius/rusty-euler
[INFO] tweaked toml for git repo https://github.com/msevilgenius/rusty-euler written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/msevilgenius/rusty-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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] c17abbf612c595e0bfdfb8c775a240cfe0808f8ad422de59fdbf4a55377894d6
[INFO] running `"docker" "start" "-a" "c17abbf612c595e0bfdfb8c775a240cfe0808f8ad422de59fdbf4a55377894d6"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `largest_prime_factor`
[INFO] [stderr]  --> src/problems/problem3.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn largest_prime_factor(num: i64) -> i64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "c17abbf612c595e0bfdfb8c775a240cfe0808f8ad422de59fdbf4a55377894d6"`
[INFO] running `"docker" "rm" "-f" "c17abbf612c595e0bfdfb8c775a240cfe0808f8ad422de59fdbf4a55377894d6"`
[INFO] [stdout] c17abbf612c595e0bfdfb8c775a240cfe0808f8ad422de59fdbf4a55377894d6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] cb4acf14b04c973a0844baed6ba7674fb597196687fcd065bdc55744931315ba
[INFO] running `"docker" "start" "-a" "cb4acf14b04c973a0844baed6ba7674fb597196687fcd065bdc55744931315ba"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "cb4acf14b04c973a0844baed6ba7674fb597196687fcd065bdc55744931315ba"`
[INFO] running `"docker" "rm" "-f" "cb4acf14b04c973a0844baed6ba7674fb597196687fcd065bdc55744931315ba"`
[INFO] [stdout] cb4acf14b04c973a0844baed6ba7674fb597196687fcd065bdc55744931315ba
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 04bb710f62c1680e72432de180780f714eb3588ac66384b1503544860ead721e
[INFO] running `"docker" "start" "-a" "04bb710f62c1680e72432de180780f714eb3588ac66384b1503544860ead721e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-e3248f0ea734d24c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problems::problem2::tests::fib ... ok
[INFO] [stdout] test problems::problem3::tests::prime_factor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "04bb710f62c1680e72432de180780f714eb3588ac66384b1503544860ead721e"`
[INFO] running `"docker" "rm" "-f" "04bb710f62c1680e72432de180780f714eb3588ac66384b1503544860ead721e"`
[INFO] [stdout] 04bb710f62c1680e72432de180780f714eb3588ac66384b1503544860ead721e