Sep 17 12:51:00.663 INFO checking gyscos/varf against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 12:51:00.663 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 12:51:00.663 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 12:51:00.852 INFO blam! bdac9b4ff5c3fcb919988c73646ef632bb980e7b82205f55d69a7bbb6aabc41f
Sep 17 12:51:00.858 INFO running `"docker" "start" "-a" "bdac9b4ff5c3fcb919988c73646ef632bb980e7b82205f55d69a7bbb6aabc41f"`
Sep 17 12:51:01.720 INFO kablam! usermod: no changes
Sep 17 12:51:01.873 INFO kablam!     Checking rustc-serialize v0.3.23
Sep 17 12:51:01.873 INFO kablam!     Checking lazy_static v0.2.4
Sep 17 12:51:01.873 INFO kablam!     Checking serde v0.8.23
Sep 17 12:51:01.873 INFO kablam!     Checking sequence_trie v0.2.1
Sep 17 12:51:01.873 INFO kablam!     Checking route-recognizer v0.1.11
Sep 17 12:51:01.873 INFO kablam!     Checking xdg-basedir v1.0.0
Sep 17 12:51:01.873 INFO kablam!     Checking getopts v0.2.14
Sep 17 12:51:01.873 INFO kablam!     Checking unsafe-any v0.4.1
Sep 17 12:51:02.127 INFO kablam!     Checking num_cpus v1.3.0
Sep 17 12:51:02.231 INFO kablam!     Checking memchr v1.0.1
Sep 17 12:51:02.279 INFO kablam!     Checking thread-id v3.0.0
Sep 17 12:51:02.327 INFO kablam!     Checking error v0.1.9
Sep 17 12:51:02.543 INFO kablam!     Checking toml v0.4.1
Sep 17 12:51:02.599 INFO kablam!    Compiling hyper v0.10.5
Sep 17 12:51:02.640 INFO kablam!     Checking typemap v0.3.3
Sep 17 12:51:02.654 INFO kablam!     Checking thread_local v0.3.3
Sep 17 12:51:02.699 INFO kablam!     Checking aho-corasick v0.6.3
Sep 17 12:51:02.742 INFO kablam!    Compiling serde_derive v1.0.8
Sep 17 12:51:03.028 INFO kablam!     Checking plugin v0.2.6
Sep 17 12:51:04.255 INFO kablam!     Checking regex v0.2.1
Sep 17 12:51:12.516 INFO kablam!     Checking conduit-mime-types v0.7.3
Sep 17 12:51:14.409 INFO kablam!     Checking handlebars v0.26.2
Sep 17 12:51:19.835 INFO kablam!     Checking serde_json v0.8.6
Sep 17 12:51:23.531 INFO kablam!     Checking iron v0.5.1
Sep 17 12:51:24.683 INFO kablam!     Checking persistent v0.3.0
Sep 17 12:51:24.683 INFO kablam!     Checking mount v0.3.0
Sep 17 12:51:24.683 INFO kablam!     Checking router v0.5.1
Sep 17 12:51:24.683 INFO kablam!     Checking handlebars-iron v0.24.1
Sep 17 12:51:25.775 INFO kablam!     Checking bodyparser v0.5.0
Sep 17 12:51:26.179 INFO kablam!     Checking staticfile v0.4.0
Sep 17 12:51:26.848 INFO kablam!     Checking urlencoded v0.5.0
Sep 17 12:51:27.271 INFO kablam!     Checking varf v0.1.2 (/source)
Sep 17 12:51:28.643 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 17 12:51:28.643 INFO kablam!   --> src/visu.rs:71:5
Sep 17 12:51:28.643 INFO kablam!    |
Sep 17 12:51:28.643 INFO kablam! 71 | /     divs.iter()
Sep 17 12:51:28.643 INFO kablam! 72 | |         .rev()
Sep 17 12:51:28.643 INFO kablam! 73 | |         .map(|k| n / k)
Sep 17 12:51:28.643 INFO kablam! 74 | |         .collect::<Vec<usize>>()
Sep 17 12:51:28.643 INFO kablam! 75 | |         .iter()
Sep 17 12:51:28.643 INFO kablam! 76 | |         .map(|k| divs.push(*k))
Sep 17 12:51:28.643 INFO kablam! 77 | |         .collect::<Vec<()>>();
Sep 17 12:51:28.643 INFO kablam!    | |______________________________^
Sep 17 12:51:28.643 INFO kablam!    |
Sep 17 12:51:28.643 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 17 12:51:28.644 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 17 12:51:28.644 INFO kablam! 
Sep 17 12:51:28.867 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 17 12:51:28.867 INFO kablam!   --> src/visu.rs:71:5
Sep 17 12:51:28.867 INFO kablam!    |
Sep 17 12:51:28.867 INFO kablam! 71 | /     divs.iter()
Sep 17 12:51:28.867 INFO kablam! 72 | |         .rev()
Sep 17 12:51:28.867 INFO kablam! 73 | |         .map(|k| n / k)
Sep 17 12:51:28.867 INFO kablam! 74 | |         .collect::<Vec<usize>>()
Sep 17 12:51:28.867 INFO kablam! 75 | |         .iter()
Sep 17 12:51:28.867 INFO kablam! 76 | |         .map(|k| divs.push(*k))
Sep 17 12:51:28.867 INFO kablam! 77 | |         .collect::<Vec<()>>();
Sep 17 12:51:28.867 INFO kablam!    | |______________________________^
Sep 17 12:51:28.867 INFO kablam!    |
Sep 17 12:51:28.867 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 17 12:51:28.867 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 17 12:51:28.867 INFO kablam! 
Sep 17 12:51:28.944 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.20s
Sep 17 12:51:28.962 INFO kablam! su: No module specific data is present
Sep 17 12:51:29.955 INFO running `"docker" "rm" "-f" "bdac9b4ff5c3fcb919988c73646ef632bb980e7b82205f55d69a7bbb6aabc41f"`
Sep 17 12:51:30.219 INFO blam! bdac9b4ff5c3fcb919988c73646ef632bb980e7b82205f55d69a7bbb6aabc41f