Dec 11 21:03:47.265 INFO checking cesare/rust-euler against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:03:47.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 21:03:47.777 INFO [stdout] b0202925147540bb411e838be801d42584177d7ecaa5b4bcd1def06c8395a3d3
Dec 11 21:03:47.779 INFO running `"docker" "start" "-a" "b0202925147540bb411e838be801d42584177d7ecaa5b4bcd1def06c8395a3d3"`
Dec 11 21:03:50.372 INFO [stderr] usermod: no changes
Dec 11 21:03:50.416 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 11 21:03:50.416 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 11 21:03:50.416 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 11 21:03:50.416 INFO [stderr] files will be included as a binary target:
Dec 11 21:03:50.416 INFO [stderr] 
Dec 11 21:03:50.416 INFO [stderr] * /source/src/main.rs
Dec 11 21:03:50.416 INFO [stderr] 
Dec 11 21:03:50.416 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 11 21:03:50.416 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 11 21:03:50.416 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 11 21:03:50.416 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 11 21:03:50.416 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 11 21:03:50.416 INFO [stderr] 
Dec 11 21:03:50.416 INFO [stderr] For more information on this warning you can consult
Dec 11 21:03:50.416 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 11 21:03:50.452 INFO [stderr]     Checking euler v0.1.0 (/source)
Dec 11 21:03:52.648 INFO [stderr] warning: method is never used: `reset`
Dec 11 21:03:52.648 INFO [stderr]    --> src/prime.rs:134:5
Dec 11 21:03:52.648 INFO [stderr]     |
Dec 11 21:03:52.648 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 11 21:03:52.648 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:03:52.648 INFO [stderr]     |
Dec 11 21:03:52.648 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 21:03:52.648 INFO [stderr] 
Dec 11 21:03:53.076 INFO [stderr] warning: method is never used: `reset`
Dec 11 21:03:53.077 INFO [stderr]    --> src/prime.rs:134:5
Dec 11 21:03:53.077 INFO [stderr]     |
Dec 11 21:03:53.077 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 11 21:03:53.077 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:03:53.077 INFO [stderr]     |
Dec 11 21:03:53.077 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 21:03:53.077 INFO [stderr] 
Dec 11 21:03:54.348 INFO [stderr] warning: method is never used: `reset`
Dec 11 21:03:54.348 INFO [stderr]    --> src/prime.rs:134:5
Dec 11 21:03:54.348 INFO [stderr]     |
Dec 11 21:03:54.348 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 11 21:03:54.348 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:03:54.348 INFO [stderr]     |
Dec 11 21:03:54.349 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 21:03:54.349 INFO [stderr] 
Dec 11 21:03:56.460 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 21:03:56.461 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Dec 11 21:03:56.461 INFO [stderr]    |
Dec 11 21:03:56.461 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Dec 11 21:03:56.462 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:03:56.462 INFO [stderr]    |
Dec 11 21:03:56.462 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 21:03:56.463 INFO [stderr] 
Dec 11 21:03:56.572 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 21:03:56.573 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Dec 11 21:03:56.573 INFO [stderr]    |
Dec 11 21:03:56.573 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Dec 11 21:03:56.573 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 21:03:56.574 INFO [stderr]    |
Dec 11 21:03:56.574 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 21:03:56.574 INFO [stderr] 
Dec 11 21:03:56.980 INFO [stderr] warning: method is never used: `reset`
Dec 11 21:03:56.980 INFO [stderr]    --> src/prime.rs:134:5
Dec 11 21:03:56.980 INFO [stderr]     |
Dec 11 21:03:56.980 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 11 21:03:56.980 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:03:56.980 INFO [stderr]     |
Dec 11 21:03:56.981 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 21:03:56.981 INFO [stderr] 
Dec 11 21:03:57.689 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
Dec 11 21:03:57.692 INFO [stderr] su: No module specific data is present
Dec 11 21:03:58.896 INFO running `"docker" "inspect" "b0202925147540bb411e838be801d42584177d7ecaa5b4bcd1def06c8395a3d3"`
Dec 11 21:03:59.300 INFO running `"docker" "rm" "-f" "b0202925147540bb411e838be801d42584177d7ecaa5b4bcd1def06c8395a3d3"`
Dec 11 21:03:59.644 INFO [stdout] b0202925147540bb411e838be801d42584177d7ecaa5b4bcd1def06c8395a3d3