[INFO] updating cached repository buaya91/rust-eulers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buaya91/rust-eulers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buaya91/rust-eulers" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/buaya91/rust-eulers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/buaya91/rust-eulers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buaya91/rust-eulers" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/buaya91/rust-eulers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/buaya91/rust-eulers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 477ba85cad6a85dae43ede51755c7518b30f6fe8
[INFO] sha for GitHub repo buaya91/rust-eulers: 477ba85cad6a85dae43ede51755c7518b30f6fe8
[INFO] validating manifest of buaya91/rust-eulers on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of buaya91/rust-eulers on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing buaya91/rust-eulers
[INFO] finished frobbing buaya91/rust-eulers
[INFO] frobbed toml for buaya91/rust-eulers written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/buaya91/rust-eulers/Cargo.toml
[INFO] started frobbing buaya91/rust-eulers
[INFO] finished frobbing buaya91/rust-eulers
[INFO] frobbed toml for buaya91/rust-eulers written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/buaya91/rust-eulers/Cargo.toml
[INFO] crate buaya91/rust-eulers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking buaya91/rust-eulers against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/buaya91/rust-eulers:/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=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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 24e39959665dd1ce5f743180653a15fe468377f1eb7901ff9b26ec1f23f1ea6d
[INFO] running `"docker" "start" "-a" "24e39959665dd1ce5f743180653a15fe468377f1eb7901ff9b26ec1f23f1ea6d"`
[INFO] [stderr]     Checking rust-eulers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `odd`
[INFO] [stderr]   --> src/solutions.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     odd => acc,
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_odd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem101`
[INFO] [stderr]   --> src/solutions.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn problem101() -> i64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `odd`
[INFO] [stderr]   --> src/solutions.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     odd => acc,
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_odd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem101`
[INFO] [stderr]   --> src/solutions.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn problem101() -> 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" "24e39959665dd1ce5f743180653a15fe468377f1eb7901ff9b26ec1f23f1ea6d"`
[INFO] running `"docker" "rm" "-f" "24e39959665dd1ce5f743180653a15fe468377f1eb7901ff9b26ec1f23f1ea6d"`
[INFO] [stdout] 24e39959665dd1ce5f743180653a15fe468377f1eb7901ff9b26ec1f23f1ea6d