Nov 28 07:58:24.191 INFO checking cesare/rust-euler against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 07:58:24.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 07:58:24.649 INFO [stdout] afe7602ea199e1c9d783721b4d83aac45a212386f767b8db8460d4f984b2284f Nov 28 07:58:24.654 INFO running `"docker" "start" "-a" "afe7602ea199e1c9d783721b4d83aac45a212386f767b8db8460d4f984b2284f"` Nov 28 07:58:26.571 INFO [stderr] usermod: no changes Nov 28 07:58:26.616 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently Nov 28 07:58:26.616 INFO [stderr] disables Cargo from automatically inferring other binary targets. Nov 28 07:58:26.616 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following Nov 28 07:58:26.616 INFO [stderr] files will be included as a binary target: Nov 28 07:58:26.616 INFO [stderr] Nov 28 07:58:26.616 INFO [stderr] * /source/src/main.rs Nov 28 07:58:26.616 INFO [stderr] Nov 28 07:58:26.616 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be Nov 28 07:58:26.616 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself Nov 28 07:58:26.616 INFO [stderr] and disable this warning by adding `autobins = false` to your [package] Nov 28 07:58:26.616 INFO [stderr] section. You may also move the files to a location where Cargo would not Nov 28 07:58:26.616 INFO [stderr] automatically infer them to be a target, such as in subfolders. Nov 28 07:58:26.616 INFO [stderr] Nov 28 07:58:26.616 INFO [stderr] For more information on this warning you can consult Nov 28 07:58:26.616 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330 Nov 28 07:58:26.628 INFO [stderr] Checking euler v0.1.0 (/source) Nov 28 07:58:29.104 INFO [stderr] warning: method is never used: `reset` Nov 28 07:58:29.104 INFO [stderr] --> src/prime.rs:134:5 Nov 28 07:58:29.104 INFO [stderr] | Nov 28 07:58:29.104 INFO [stderr] 134 | pub fn reset(&mut self) { Nov 28 07:58:29.104 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 07:58:29.104 INFO [stderr] | Nov 28 07:58:29.104 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 07:58:29.104 INFO [stderr] Nov 28 07:58:29.220 INFO [stderr] warning: method is never used: `reset` Nov 28 07:58:29.220 INFO [stderr] --> src/prime.rs:134:5 Nov 28 07:58:29.220 INFO [stderr] | Nov 28 07:58:29.220 INFO [stderr] 134 | pub fn reset(&mut self) { Nov 28 07:58:29.220 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 07:58:29.257 INFO [stderr] | Nov 28 07:58:29.257 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 07:58:29.258 INFO [stderr] Nov 28 07:58:29.961 INFO [stderr] warning: method is never used: `reset` Nov 28 07:58:29.961 INFO [stderr] --> src/prime.rs:134:5 Nov 28 07:58:29.962 INFO [stderr] | Nov 28 07:58:29.962 INFO [stderr] 134 | pub fn reset(&mut self) { Nov 28 07:58:29.962 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 07:58:29.962 INFO [stderr] | Nov 28 07:58:29.963 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 07:58:29.963 INFO [stderr] Nov 28 07:58:30.122 INFO [stderr] warning: unnecessary parentheses around method argument Nov 28 07:58:30.122 INFO [stderr] --> src/problem_005_smallest_multiple.rs:42:42 Nov 28 07:58:30.123 INFO [stderr] | Nov 28 07:58:30.123 INFO [stderr] 42 | let product = results.iter().fold(1, (|a, b| a * b)); Nov 28 07:58:30.123 INFO [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 07:58:30.123 INFO [stderr] | Nov 28 07:58:30.124 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 07:58:30.124 INFO [stderr] Nov 28 07:58:31.669 INFO [stderr] warning: unnecessary parentheses around method argument Nov 28 07:58:31.669 INFO [stderr] --> src/problem_005_smallest_multiple.rs:42:42 Nov 28 07:58:31.669 INFO [stderr] | Nov 28 07:58:31.670 INFO [stderr] 42 | let product = results.iter().fold(1, (|a, b| a * b)); Nov 28 07:58:31.670 INFO [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 07:58:31.670 INFO [stderr] | Nov 28 07:58:31.670 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 07:58:31.671 INFO [stderr] Nov 28 07:58:31.793 INFO [stderr] warning: method is never used: `reset` Nov 28 07:58:31.793 INFO [stderr] --> src/prime.rs:134:5 Nov 28 07:58:31.793 INFO [stderr] | Nov 28 07:58:31.794 INFO [stderr] 134 | pub fn reset(&mut self) { Nov 28 07:58:31.794 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 07:58:31.794 INFO [stderr] | Nov 28 07:58:31.794 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 07:58:31.795 INFO [stderr] Nov 28 07:58:32.637 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.04s Nov 28 07:58:32.644 INFO [stderr] su: No module specific data is present Nov 28 07:58:33.902 INFO running `"docker" "inspect" "afe7602ea199e1c9d783721b4d83aac45a212386f767b8db8460d4f984b2284f"` Nov 28 07:58:34.226 INFO running `"docker" "rm" "-f" "afe7602ea199e1c9d783721b4d83aac45a212386f767b8db8460d4f984b2284f"` Nov 28 07:58:34.558 INFO [stdout] afe7602ea199e1c9d783721b4d83aac45a212386f767b8db8460d4f984b2284f