Nov 06 23:35:47.721 INFO checking cowang4/rusty_primes against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 23:35:47.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 23:35:48.246 INFO blam! 340ae6d6632c884912ef0c1904b152bde1c469d5f151d14774a53f817f38dbae
Nov 06 23:35:48.248 INFO running `"docker" "start" "-a" "340ae6d6632c884912ef0c1904b152bde1c469d5f151d14774a53f817f38dbae"`
Nov 06 23:35:49.598 INFO kablam! usermod: no changes
Nov 06 23:35:49.684 INFO kablam!     Checking rusty_primes v0.1.0 (/source)
Nov 06 23:35:50.311 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 06 23:35:50.311 INFO kablam!   --> src/main.rs:14:9
Nov 06 23:35:50.311 INFO kablam!    |
Nov 06 23:35:50.312 INFO kablam! 14 | /         ((i*i)..n)
Nov 06 23:35:50.312 INFO kablam! 15 | |             .step_by(i)
Nov 06 23:35:50.312 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 06 23:35:50.313 INFO kablam! 17 | |             .collect::<()>();
Nov 06 23:35:50.313 INFO kablam!    | |_____________________________^
Nov 06 23:35:50.313 INFO kablam!    |
Nov 06 23:35:50.313 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 23:35:50.314 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 06 23:35:50.314 INFO kablam! 
Nov 06 23:35:50.314 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 06 23:35:50.314 INFO kablam!   --> src/main.rs:30:5
Nov 06 23:35:50.315 INFO kablam!    |
Nov 06 23:35:50.315 INFO kablam! 30 | /     primes
Nov 06 23:35:50.315 INFO kablam! 31 | |         .iter()
Nov 06 23:35:50.315 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 06 23:35:50.316 INFO kablam! 33 | |         .collect::<()>();
Nov 06 23:35:50.316 INFO kablam!    | |_________________________^
Nov 06 23:35:50.316 INFO kablam!    |
Nov 06 23:35:50.317 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 06 23:35:50.317 INFO kablam! 
Nov 06 23:35:50.387 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 06 23:35:50.388 INFO kablam!   --> src/main.rs:14:9
Nov 06 23:35:50.388 INFO kablam!    |
Nov 06 23:35:50.388 INFO kablam! 14 | /         ((i*i)..n)
Nov 06 23:35:50.388 INFO kablam! 15 | |             .step_by(i)
Nov 06 23:35:50.388 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 06 23:35:50.388 INFO kablam! 17 | |             .collect::<()>();
Nov 06 23:35:50.388 INFO kablam!    | |_____________________________^
Nov 06 23:35:50.388 INFO kablam!    |
Nov 06 23:35:50.389 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 23:35:50.389 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 06 23:35:50.389 INFO kablam! 
Nov 06 23:35:50.389 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 06 23:35:50.389 INFO kablam!   --> src/main.rs:30:5
Nov 06 23:35:50.389 INFO kablam!    |
Nov 06 23:35:50.389 INFO kablam! 30 | /     primes
Nov 06 23:35:50.389 INFO kablam! 31 | |         .iter()
Nov 06 23:35:50.389 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 06 23:35:50.391 INFO kablam! 33 | |         .collect::<()>();
Nov 06 23:35:50.391 INFO kablam!    | |_________________________^
Nov 06 23:35:50.391 INFO kablam!    |
Nov 06 23:35:50.392 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 06 23:35:50.392 INFO kablam! 
Nov 06 23:35:50.445 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 06 23:35:50.450 INFO kablam! su: No module specific data is present
Nov 06 23:35:51.282 INFO running `"docker" "rm" "-f" "340ae6d6632c884912ef0c1904b152bde1c469d5f151d14774a53f817f38dbae"`
Nov 06 23:35:51.548 INFO blam! 340ae6d6632c884912ef0c1904b152bde1c469d5f151d14774a53f817f38dbae