Nov 30 05:31:38.485 INFO checking cesare/rust-euler against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:31:38.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 05:31:38.998 INFO [stdout] bf4e8936b0eb86f59e30dc385c7c9bc6dde8de9bb2040679c0b603ed03f532cb
Nov 30 05:31:39.000 INFO running `"docker" "start" "-a" "bf4e8936b0eb86f59e30dc385c7c9bc6dde8de9bb2040679c0b603ed03f532cb"`
Nov 30 05:31:41.155 INFO [stderr] usermod: no changes
Nov 30 05:31:41.234 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Nov 30 05:31:41.234 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Nov 30 05:31:41.234 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 30 05:31:41.234 INFO [stderr] files will be included as a binary target:
Nov 30 05:31:41.234 INFO [stderr] 
Nov 30 05:31:41.234 INFO [stderr] * /source/src/main.rs
Nov 30 05:31:41.234 INFO [stderr] 
Nov 30 05:31:41.234 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 30 05:31:41.235 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Nov 30 05:31:41.235 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Nov 30 05:31:41.235 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 30 05:31:41.235 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 30 05:31:41.235 INFO [stderr] 
Nov 30 05:31:41.235 INFO [stderr] For more information on this warning you can consult
Nov 30 05:31:41.235 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 30 05:31:41.268 INFO [stderr]     Checking euler v0.1.0 (/source)
Nov 30 05:31:43.738 INFO [stderr] warning: method is never used: `reset`
Nov 30 05:31:43.739 INFO [stderr]    --> src/prime.rs:134:5
Nov 30 05:31:43.739 INFO [stderr]     |
Nov 30 05:31:43.739 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 30 05:31:43.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:31:43.740 INFO [stderr]     |
Nov 30 05:31:43.740 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:31:43.741 INFO [stderr] 
Nov 30 05:31:44.205 INFO [stderr] warning: method is never used: `reset`
Nov 30 05:31:44.205 INFO [stderr]    --> src/prime.rs:134:5
Nov 30 05:31:44.205 INFO [stderr]     |
Nov 30 05:31:44.206 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 30 05:31:44.206 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:31:44.256 INFO [stderr]     |
Nov 30 05:31:44.257 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:31:44.257 INFO [stderr] 
Nov 30 05:31:46.180 INFO [stderr] warning: method is never used: `reset`
Nov 30 05:31:46.182 INFO [stderr]    --> src/prime.rs:134:5
Nov 30 05:31:46.182 INFO [stderr]     |
Nov 30 05:31:46.182 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 30 05:31:46.182 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:31:46.182 INFO [stderr]     |
Nov 30 05:31:46.182 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:31:46.182 INFO [stderr] 
Nov 30 05:31:46.688 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 05:31:46.689 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Nov 30 05:31:46.689 INFO [stderr]    |
Nov 30 05:31:46.689 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Nov 30 05:31:46.689 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 05:31:46.690 INFO [stderr]    |
Nov 30 05:31:46.690 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 05:31:46.690 INFO [stderr] 
Nov 30 05:31:47.180 INFO [stderr] warning: method is never used: `reset`
Nov 30 05:31:47.180 INFO [stderr]    --> src/prime.rs:134:5
Nov 30 05:31:47.180 INFO [stderr]     |
Nov 30 05:31:47.180 INFO [stderr] 134 |     pub fn reset(&mut self) {
Nov 30 05:31:47.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:31:47.180 INFO [stderr]     |
Nov 30 05:31:47.180 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:31:47.181 INFO [stderr] 
Nov 30 05:31:47.346 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 30 05:31:47.346 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Nov 30 05:31:47.347 INFO [stderr]    |
Nov 30 05:31:47.347 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Nov 30 05:31:47.347 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 05:31:47.347 INFO [stderr]    |
Nov 30 05:31:47.348 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 05:31:47.348 INFO [stderr] 
Nov 30 05:31:47.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.59s
Nov 30 05:31:47.779 INFO [stderr] su: No module specific data is present
Nov 30 05:31:48.994 INFO running `"docker" "inspect" "bf4e8936b0eb86f59e30dc385c7c9bc6dde8de9bb2040679c0b603ed03f532cb"`
Nov 30 05:31:49.228 INFO running `"docker" "rm" "-f" "bf4e8936b0eb86f59e30dc385c7c9bc6dde8de9bb2040679c0b603ed03f532cb"`
Nov 30 05:31:49.564 INFO [stdout] bf4e8936b0eb86f59e30dc385c7c9bc6dde8de9bb2040679c0b603ed03f532cb