[INFO] updating cached repository ianprime0509/euler-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ianprime0509/euler-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ianprime0509/euler-rs" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/ianprime0509/euler-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/ianprime0509/euler-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ianprime0509/euler-rs" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/ianprime0509/euler-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/ianprime0509/euler-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30a6ea3e2e929ea2ed054e12283e13a8d878fbf0
[INFO] sha for GitHub repo ianprime0509/euler-rs: 30a6ea3e2e929ea2ed054e12283e13a8d878fbf0
[INFO] validating manifest of ianprime0509/euler-rs on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ianprime0509/euler-rs on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ianprime0509/euler-rs
[INFO] finished frobbing ianprime0509/euler-rs
[INFO] frobbed toml for ianprime0509/euler-rs written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/ianprime0509/euler-rs/Cargo.toml
[INFO] started frobbing ianprime0509/euler-rs
[INFO] finished frobbing ianprime0509/euler-rs
[INFO] frobbed toml for ianprime0509/euler-rs written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/ianprime0509/euler-rs/Cargo.toml
[INFO] crate ianprime0509/euler-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ianprime0509/euler-rs against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-2/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/ianprime0509/euler-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 81671cbb8937d6c0f66a889f7c6e12ea52eea58ac830843cef78ad54fdcf5b70
[INFO] running `"docker" "start" "-a" "81671cbb8937d6c0f66a889f7c6e12ea52eea58ac830843cef78ad54fdcf5b70"`
[INFO] [stderr]     Checking rustc-serialize v0.3.20
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking itertools v0.5.6
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `answer`
[INFO] [stderr]   --> src/solutions/mod.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn answer(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lcm`
[INFO] [stderr]   --> src/math/numeric.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn lcm<T: Integer + Clone>(n: &T, m: &T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lcm`
[INFO] [stderr]   --> src/math/numeric.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn lcm<T: Integer + Clone>(n: &T, m: &T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `"docker" "inspect" "81671cbb8937d6c0f66a889f7c6e12ea52eea58ac830843cef78ad54fdcf5b70"`
[INFO] running `"docker" "rm" "-f" "81671cbb8937d6c0f66a889f7c6e12ea52eea58ac830843cef78ad54fdcf5b70"`
[INFO] [stdout] 81671cbb8937d6c0f66a889f7c6e12ea52eea58ac830843cef78ad54fdcf5b70