Nov 28 07:58:24.317 INFO checking cesare/rust-euler against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 07:58:24.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 07:58:24.757 INFO [stdout] ea1a039ba05b5b261d487c51a4965dd2d548ce33a7bb5d852f25aa31cc7cacf6
Nov 28 07:58:24.762 INFO running `"docker" "start" "-a" "ea1a039ba05b5b261d487c51a4965dd2d548ce33a7bb5d852f25aa31cc7cacf6"`
Nov 28 07:58:27.159 INFO [stderr] usermod: no changes
Nov 28 07:58:27.212 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Nov 28 07:58:27.212 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Nov 28 07:58:27.212 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 28 07:58:27.212 INFO [stderr] files will be included as a binary target:
Nov 28 07:58:27.212 INFO [stderr] 
Nov 28 07:58:27.212 INFO [stderr] * /source/src/main.rs
Nov 28 07:58:27.212 INFO [stderr] 
Nov 28 07:58:27.212 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 28 07:58:27.212 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Nov 28 07:58:27.212 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Nov 28 07:58:27.212 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 28 07:58:27.212 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 28 07:58:27.212 INFO [stderr] 
Nov 28 07:58:27.212 INFO [stderr] For more information on this warning you can consult
Nov 28 07:58:27.212 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 28 07:58:27.252 INFO [stderr]     Checking euler v0.1.0 (/source)
Nov 28 07:58:29.404 INFO [stderr] warning: method is never used: `reset`
Nov 28 07:58:29.404 INFO [stderr]    --> src/prime.rs:134:5
Nov 28 07:58:29.404 INFO [stderr]     |
Nov 28 07:58:29.404 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 28 07:58:29.404 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:58:29.412 INFO [stderr]     |
Nov 28 07:58:29.412 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 07:58:29.412 INFO [stderr] 
Nov 28 07:58:29.833 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 07:58:29.833 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Nov 28 07:58:29.833 INFO [stderr]    |
Nov 28 07:58:29.834 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Nov 28 07:58:29.834 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 07:58:29.856 INFO [stderr]    |
Nov 28 07:58:29.857 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 07:58:29.857 INFO [stderr] 
Nov 28 07:58:30.033 INFO [stderr] warning: method is never used: `reset`
Nov 28 07:58:30.033 INFO [stderr]    --> src/prime.rs:134:5
Nov 28 07:58:30.033 INFO [stderr]     |
Nov 28 07:58:30.034 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 28 07:58:30.034 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:58:30.034 INFO [stderr]     |
Nov 28 07:58:30.034 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 07:58:30.035 INFO [stderr] 
Nov 28 07:58:32.872 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 07:58:32.872 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Nov 28 07:58:32.872 INFO [stderr]    |
Nov 28 07:58:32.872 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Nov 28 07:58:32.872 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 07:58:32.909 INFO [stderr]    |
Nov 28 07:58:32.909 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 07:58:32.909 INFO [stderr] 
Nov 28 07:58:33.093 INFO [stderr] warning: method is never used: `reset`
Nov 28 07:58:33.093 INFO [stderr]    --> src/prime.rs:134:5
Nov 28 07:58:33.093 INFO [stderr]     |
Nov 28 07:58:33.093 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 28 07:58:33.093 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:58:33.093 INFO [stderr]     |
Nov 28 07:58:33.095 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 07:58:33.095 INFO [stderr] 
Nov 28 07:58:33.152 INFO [stderr] warning: method is never used: `reset`
Nov 28 07:58:33.152 INFO [stderr]    --> src/prime.rs:134:5
Nov 28 07:58:33.152 INFO [stderr]     |
Nov 28 07:58:33.152 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 28 07:58:33.152 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:58:33.152 INFO [stderr]     |
Nov 28 07:58:33.152 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 07:58:33.152 INFO [stderr] 
Nov 28 07:58:33.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
Nov 28 07:58:33.890 INFO [stderr] su: No module specific data is present
Nov 28 07:58:34.714 INFO running `"docker" "inspect" "ea1a039ba05b5b261d487c51a4965dd2d548ce33a7bb5d852f25aa31cc7cacf6"`
Nov 28 07:58:34.936 INFO running `"docker" "rm" "-f" "ea1a039ba05b5b261d487c51a4965dd2d548ce33a7bb5d852f25aa31cc7cacf6"`
Nov 28 07:58:35.237 INFO [stdout] ea1a039ba05b5b261d487c51a4965dd2d548ce33a7bb5d852f25aa31cc7cacf6