Nov 02 16:18:37.549 INFO checking cowang4/rusty_primes against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 16:18:37.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 16:18:37.948 INFO blam! 605ca94902699f6ae881f569c0d899e3036f8146a4f71c07abb31c0acee9cd22
Nov 02 16:18:37.958 INFO running `"docker" "start" "-a" "605ca94902699f6ae881f569c0d899e3036f8146a4f71c07abb31c0acee9cd22"`
Nov 02 16:18:38.972 INFO kablam! usermod: no changes
Nov 02 16:18:39.044 INFO kablam!     Checking rusty_primes v0.1.0 (/source)
Nov 02 16:18:39.654 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 16:18:39.654 INFO kablam!   --> src/main.rs:14:9
Nov 02 16:18:39.654 INFO kablam!    |
Nov 02 16:18:39.654 INFO kablam! 14 | /         ((i*i)..n)
Nov 02 16:18:39.654 INFO kablam! 15 | |             .step_by(i)
Nov 02 16:18:39.654 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 02 16:18:39.654 INFO kablam! 17 | |             .collect::<()>();
Nov 02 16:18:39.654 INFO kablam!    | |_____________________________^
Nov 02 16:18:39.654 INFO kablam!    |
Nov 02 16:18:39.654 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 16:18:39.654 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 16:18:39.654 INFO kablam! 
Nov 02 16:18:39.654 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 16:18:39.654 INFO kablam!   --> src/main.rs:30:5
Nov 02 16:18:39.654 INFO kablam!    |
Nov 02 16:18:39.654 INFO kablam! 30 | /     primes
Nov 02 16:18:39.654 INFO kablam! 31 | |         .iter()
Nov 02 16:18:39.654 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 02 16:18:39.654 INFO kablam! 33 | |         .collect::<()>();
Nov 02 16:18:39.654 INFO kablam!    | |_________________________^
Nov 02 16:18:39.654 INFO kablam!    |
Nov 02 16:18:39.655 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 16:18:39.655 INFO kablam! 
Nov 02 16:18:39.831 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 16:18:39.831 INFO kablam!   --> src/main.rs:14:9
Nov 02 16:18:39.831 INFO kablam!    |
Nov 02 16:18:39.831 INFO kablam! 14 | /         ((i*i)..n)
Nov 02 16:18:39.831 INFO kablam! 15 | |             .step_by(i)
Nov 02 16:18:39.831 INFO kablam! 16 | |             .map(|i| primes[i] = false)
Nov 02 16:18:39.831 INFO kablam! 17 | |             .collect::<()>();
Nov 02 16:18:39.831 INFO kablam!    | |_____________________________^
Nov 02 16:18:39.831 INFO kablam!    |
Nov 02 16:18:39.831 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 16:18:39.831 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 16:18:39.831 INFO kablam! 
Nov 02 16:18:39.831 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 16:18:39.831 INFO kablam!   --> src/main.rs:30:5
Nov 02 16:18:39.831 INFO kablam!    |
Nov 02 16:18:39.831 INFO kablam! 30 | /     primes
Nov 02 16:18:39.831 INFO kablam! 31 | |         .iter()
Nov 02 16:18:39.831 INFO kablam! 32 | |         .map(|i| println!("{}", i))
Nov 02 16:18:39.831 INFO kablam! 33 | |         .collect::<()>();
Nov 02 16:18:39.831 INFO kablam!    | |_________________________^
Nov 02 16:18:39.831 INFO kablam!    |
Nov 02 16:18:39.840 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 16:18:39.840 INFO kablam! 
Nov 02 16:18:39.885 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Nov 02 16:18:39.885 INFO kablam! su: No module specific data is present
Nov 02 16:18:40.697 INFO running `"docker" "rm" "-f" "605ca94902699f6ae881f569c0d899e3036f8146a4f71c07abb31c0acee9cd22"`
Nov 02 16:18:40.988 INFO blam! 605ca94902699f6ae881f569c0d899e3036f8146a4f71c07abb31c0acee9cd22