[INFO] updating cached repository robinsonj/project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robinsonj/project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robinsonj/project_euler" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robinsonj/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robinsonj/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robinsonj/project_euler" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robinsonj/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robinsonj/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba494a87e0c8f114cd0c9654564a56559da8d47d
[INFO] sha for GitHub repo robinsonj/project_euler: ba494a87e0c8f114cd0c9654564a56559da8d47d
[INFO] validating manifest of robinsonj/project_euler 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 robinsonj/project_euler 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 robinsonj/project_euler
[INFO] finished frobbing robinsonj/project_euler
[INFO] frobbed toml for robinsonj/project_euler written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robinsonj/project_euler/Cargo.toml
[INFO] started frobbing robinsonj/project_euler
[INFO] finished frobbing robinsonj/project_euler
[INFO] frobbed toml for robinsonj/project_euler written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robinsonj/project_euler/Cargo.toml
[INFO] crate robinsonj/project_euler 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 robinsonj/project_euler against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robinsonj/project_euler:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 602b5d5305afbc1345c844e2ab1343cc1600b600bb1bdd777de6a5f1ce98cbe4
[INFO] running `"docker" "start" "-a" "602b5d5305afbc1345c844e2ab1343cc1600b600bb1bdd777de6a5f1ce98cbe4"`
[INFO] [stderr]     Checking euler_lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/math/primes/mod.rs:151:7
[INFO] [stderr]     |
[INFO] [stderr] 151 |     2 ... 3         => true,
[INFO] [stderr]     |       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/math/primes/mod.rs:151:7
[INFO] [stderr]     |
[INFO] [stderr] 151 |     2 ... 3         => true,
[INFO] [stderr]     |       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/solver/mod.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionWithFile`
[INFO] [stderr]  --> src/solver/mod.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/solver/mod.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionWithFile`
[INFO] [stderr]  --> src/solver/mod.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `"docker" "inspect" "602b5d5305afbc1345c844e2ab1343cc1600b600bb1bdd777de6a5f1ce98cbe4"`
[INFO] running `"docker" "rm" "-f" "602b5d5305afbc1345c844e2ab1343cc1600b600bb1bdd777de6a5f1ce98cbe4"`
[INFO] [stdout] 602b5d5305afbc1345c844e2ab1343cc1600b600bb1bdd777de6a5f1ce98cbe4