Nov 01 06:47:46.594 INFO checking cowang4/rusty_primes against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 06:47:46.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 06:47:46.892 INFO blam! 17e180bde07e2ca21c22987643143553e2a441870c7c538b7b25827e00123c51
Nov 01 06:47:46.896 INFO running `"docker" "start" "-a" "17e180bde07e2ca21c22987643143553e2a441870c7c538b7b25827e00123c51"`
Nov 01 06:47:48.188 INFO kablam! usermod: no changes
Nov 01 06:47:48.242 INFO kablam!     Checking rusty_primes v0.1.0 (/source)
Nov 01 06:47:48.728 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 06:47:48.728 INFO kablam!   --> src/main.rs:14:9
Nov 01 06:47:48.728 INFO kablam!    |
Nov 01 06:47:48.728 INFO kablam! 14 | /         ((i*i)..n)
Nov 01 06:47:48.728 INFO kablam! 15 | |             .step_by(i)
Nov 01 06:47:48.728 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 01 06:47:48.728 INFO kablam! 17 | |             .collect::<()>();
Nov 01 06:47:48.728 INFO kablam!    | |_____________________________^
Nov 01 06:47:48.728 INFO kablam!    |
Nov 01 06:47:48.728 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 06:47:48.728 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 06:47:48.728 INFO kablam! 
Nov 01 06:47:48.728 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 06:47:48.728 INFO kablam!   --> src/main.rs:30:5
Nov 01 06:47:48.728 INFO kablam!    |
Nov 01 06:47:48.728 INFO kablam! 30 | /     primes
Nov 01 06:47:48.729 INFO kablam! 31 | |         .iter()
Nov 01 06:47:48.729 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 01 06:47:48.729 INFO kablam! 33 | |         .collect::<()>();
Nov 01 06:47:48.729 INFO kablam!    | |_________________________^
Nov 01 06:47:48.729 INFO kablam!    |
Nov 01 06:47:48.729 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 06:47:48.729 INFO kablam! 
Nov 01 06:47:48.860 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 06:47:48.860 INFO kablam!   --> src/main.rs:14:9
Nov 01 06:47:48.860 INFO kablam!    |
Nov 01 06:47:48.860 INFO kablam! 14 | /         ((i*i)..n)
Nov 01 06:47:48.860 INFO kablam! 15 | |             .step_by(i)
Nov 01 06:47:48.860 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 01 06:47:48.860 INFO kablam! 17 | |             .collect::<()>();
Nov 01 06:47:48.860 INFO kablam!    | |_____________________________^
Nov 01 06:47:48.860 INFO kablam!    |
Nov 01 06:47:48.860 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 06:47:48.860 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 06:47:48.860 INFO kablam! 
Nov 01 06:47:48.860 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 06:47:48.860 INFO kablam!   --> src/main.rs:30:5
Nov 01 06:47:48.860 INFO kablam!    |
Nov 01 06:47:48.860 INFO kablam! 30 | /     primes
Nov 01 06:47:48.860 INFO kablam! 31 | |         .iter()
Nov 01 06:47:48.860 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 01 06:47:48.860 INFO kablam! 33 | |         .collect::<()>();
Nov 01 06:47:48.860 INFO kablam!    | |_________________________^
Nov 01 06:47:48.860 INFO kablam!    |
Nov 01 06:47:48.860 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 06:47:48.860 INFO kablam! 
Nov 01 06:47:48.885 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 01 06:47:48.892 INFO kablam! su: No module specific data is present
Nov 01 06:47:49.613 INFO running `"docker" "rm" "-f" "17e180bde07e2ca21c22987643143553e2a441870c7c538b7b25827e00123c51"`
Nov 01 06:47:49.780 INFO blam! 17e180bde07e2ca21c22987643143553e2a441870c7c538b7b25827e00123c51