[INFO] updating cached repository feynmanliang/parallel_pi_mc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/feynmanliang/parallel_pi_mc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/feynmanliang/parallel_pi_mc" "work/ex/clippy-test-run/sources/stable/gh/feynmanliang/parallel_pi_mc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/feynmanliang/parallel_pi_mc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/feynmanliang/parallel_pi_mc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feynmanliang/parallel_pi_mc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feynmanliang/parallel_pi_mc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 938a7adc7fcef6d45d6b2abc40ff07b9286fc28c
[INFO] sha for GitHub repo feynmanliang/parallel_pi_mc: 938a7adc7fcef6d45d6b2abc40ff07b9286fc28c
[INFO] validating manifest of feynmanliang/parallel_pi_mc on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of feynmanliang/parallel_pi_mc on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing feynmanliang/parallel_pi_mc
[INFO] finished frobbing feynmanliang/parallel_pi_mc
[INFO] frobbed toml for feynmanliang/parallel_pi_mc written to work/ex/clippy-test-run/sources/stable/gh/feynmanliang/parallel_pi_mc/Cargo.toml
[INFO] started frobbing feynmanliang/parallel_pi_mc
[INFO] finished frobbing feynmanliang/parallel_pi_mc
[INFO] frobbed toml for feynmanliang/parallel_pi_mc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/feynmanliang/parallel_pi_mc/Cargo.toml
[INFO] crate feynmanliang/parallel_pi_mc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting feynmanliang/parallel_pi_mc against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/feynmanliang/parallel_pi_mc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6dac8438ab68dc06aaa19124a60950dd07362ac47d99e6a2547375aa60f75d9c
[INFO] running `"docker" "start" "-a" "6dac8438ab68dc06aaa19124a60950dd07362ac47d99e6a2547375aa60f75d9c"`
[INFO] [stderr]     Checking parallel-pi-mc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/lib.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |       let num_within_circle = (0..num_points)
[INFO] [stderr]    |  _____________________________^
[INFO] [stderr] 14 | |         .into_iter()
[INFO] [stderr]    | |____________________^ help: consider removing `.into_iter()`: `(0..num_points)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/lib.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |       let num_within_circle = (0..num_points)
[INFO] [stderr]    |  _____________________________^
[INFO] [stderr] 14 | |         .into_iter()
[INFO] [stderr]    | |____________________^ help: consider removing `.into_iter()`: `(0..num_points)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `parallel-pi-mc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 |     println!("sequential: {}", monte_carlo_pi(1000000));
[INFO] [stderr]   |                                               ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:7:54
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("parallel: {}", monte_carlo_pi_parallel(1000000));
[INFO] [stderr]   |                                                      ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 |     println!("sequential: {}", monte_carlo_pi(1000000));
[INFO] [stderr]   |                                               ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:7:54
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("parallel: {}", monte_carlo_pi_parallel(1000000));
[INFO] [stderr]   |                                                      ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6dac8438ab68dc06aaa19124a60950dd07362ac47d99e6a2547375aa60f75d9c"`
[INFO] running `"docker" "rm" "-f" "6dac8438ab68dc06aaa19124a60950dd07362ac47d99e6a2547375aa60f75d9c"`
[INFO] [stdout] 6dac8438ab68dc06aaa19124a60950dd07362ac47d99e6a2547375aa60f75d9c