Dec 04 21:08:59.491 INFO checking cesare/rust-euler against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:08:59.491 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 21:09:00.081 INFO [stdout] ef6be37a9d73d6406efdc7df2e0aa2095947b24dd444cdceac6c738510f635ba
Dec 04 21:09:00.083 INFO running `"docker" "start" "-a" "ef6be37a9d73d6406efdc7df2e0aa2095947b24dd444cdceac6c738510f635ba"`
Dec 04 21:09:02.651 INFO [stderr] usermod: no changes
Dec 04 21:09:02.713 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 04 21:09:02.713 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 04 21:09:02.713 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 04 21:09:02.713 INFO [stderr] files will be included as a binary target:
Dec 04 21:09:02.713 INFO [stderr] 
Dec 04 21:09:02.713 INFO [stderr] * /source/src/main.rs
Dec 04 21:09:02.713 INFO [stderr] 
Dec 04 21:09:02.713 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 04 21:09:02.713 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 04 21:09:02.713 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 04 21:09:02.713 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 04 21:09:02.713 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 04 21:09:02.713 INFO [stderr] 
Dec 04 21:09:02.713 INFO [stderr] For more information on this warning you can consult
Dec 04 21:09:02.713 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 04 21:09:02.735 INFO [stderr]     Checking euler v0.1.0 (/source)
Dec 04 21:09:04.995 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 21:09:04.995 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Dec 04 21:09:04.995 INFO [stderr]    |
Dec 04 21:09:04.996 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Dec 04 21:09:04.996 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:09:04.996 INFO [stderr]    |
Dec 04 21:09:04.996 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:09:04.996 INFO [stderr] 
Dec 04 21:09:05.051 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 21:09:05.051 INFO [stderr]   --> src/problem_005_smallest_multiple.rs:42:42
Dec 04 21:09:05.051 INFO [stderr]    |
Dec 04 21:09:05.051 INFO [stderr] 42 |     let product = results.iter().fold(1, (|a, b| a * b));
Dec 04 21:09:05.051 INFO [stderr]    |                                          ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 21:09:05.051 INFO [stderr]    |
Dec 04 21:09:05.052 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:09:05.052 INFO [stderr] 
Dec 04 21:09:05.211 INFO [stderr] warning: method is never used: `reset`
Dec 04 21:09:05.211 INFO [stderr]    --> src/prime.rs:134:5
Dec 04 21:09:05.211 INFO [stderr]     |
Dec 04 21:09:05.211 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 04 21:09:05.211 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:09:05.211 INFO [stderr]     |
Dec 04 21:09:05.211 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 21:09:05.211 INFO [stderr] 
Dec 04 21:09:05.805 INFO [stderr] warning: method is never used: `reset`
Dec 04 21:09:05.805 INFO [stderr]    --> src/prime.rs:134:5
Dec 04 21:09:05.805 INFO [stderr]     |
Dec 04 21:09:05.805 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 04 21:09:05.806 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:09:05.806 INFO [stderr]     |
Dec 04 21:09:05.806 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 21:09:05.806 INFO [stderr] 
Dec 04 21:09:05.929 INFO [stderr] warning: method is never used: `reset`
Dec 04 21:09:05.929 INFO [stderr]    --> src/prime.rs:134:5
Dec 04 21:09:05.929 INFO [stderr]     |
Dec 04 21:09:05.929 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 04 21:09:05.929 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:09:05.947 INFO [stderr]     |
Dec 04 21:09:05.947 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 21:09:05.947 INFO [stderr] 
Dec 04 21:09:07.491 INFO [stderr] warning: method is never used: `reset`
Dec 04 21:09:07.491 INFO [stderr]    --> src/prime.rs:134:5
Dec 04 21:09:07.491 INFO [stderr]     |
Dec 04 21:09:07.491 INFO [stderr] 134 |     pub fn reset(&mut self) {
Dec 04 21:09:07.491 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:09:07.491 INFO [stderr]     |
Dec 04 21:09:07.491 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 21:09:07.491 INFO [stderr] 
Dec 04 21:09:09.150 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
Dec 04 21:09:09.153 INFO [stderr] su: No module specific data is present
Dec 04 21:09:09.893 INFO running `"docker" "inspect" "ef6be37a9d73d6406efdc7df2e0aa2095947b24dd444cdceac6c738510f635ba"`
Dec 04 21:09:10.257 INFO running `"docker" "rm" "-f" "ef6be37a9d73d6406efdc7df2e0aa2095947b24dd444cdceac6c738510f635ba"`
Dec 04 21:09:10.673 INFO [stdout] ef6be37a9d73d6406efdc7df2e0aa2095947b24dd444cdceac6c738510f635ba