Sep 10 05:57:48.304 INFO checking xxcalc-0.2.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 05:57:48.304 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 05:57:48.304 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 05:57:48.482 INFO blam! 9f0c40eab5daa1543e3c87880f5882013b12d90f359f07f3350f2194a0e68823
Sep 10 05:57:48.484 INFO running `"docker" "start" "-a" "9f0c40eab5daa1543e3c87880f5882013b12d90f359f07f3350f2194a0e68823"`
Sep 10 05:57:49.262 INFO kablam! usermod: no changes
Sep 10 05:57:49.294 INFO kablam!     Checking xxcalc v0.2.1 (file:///source)
Sep 10 05:57:49.586 INFO kablam! warning: unused macro definition
Sep 10 05:57:49.586 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 10 05:57:49.586 INFO kablam!     |
Sep 10 05:57:49.586 INFO kablam! 267 | / macro_rules! tokenize {
Sep 10 05:57:49.586 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 10 05:57:49.586 INFO kablam! 269 | | }
Sep 10 05:57:49.586 INFO kablam!     | |_^
Sep 10 05:57:49.586 INFO kablam!     |
Sep 10 05:57:49.586 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 10 05:57:49.586 INFO kablam! 
Sep 10 05:57:49.586 INFO kablam! warning: unused macro definition
Sep 10 05:57:49.586 INFO kablam!    --> src/tokenizer.rs:271:1
Sep 10 05:57:49.586 INFO kablam!     |
Sep 10 05:57:49.586 INFO kablam! 271 | / macro_rules! tokenize_ref {
Sep 10 05:57:49.586 INFO kablam! 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Sep 10 05:57:49.586 INFO kablam! 273 | | }
Sep 10 05:57:49.586 INFO kablam!     | |_^
Sep 10 05:57:49.586 INFO kablam! 
Sep 10 05:57:49.728 INFO kablam! warning: unused macro definition
Sep 10 05:57:49.728 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 10 05:57:49.728 INFO kablam!     |
Sep 10 05:57:49.728 INFO kablam! 267 | / macro_rules! tokenize {
Sep 10 05:57:49.728 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 10 05:57:49.728 INFO kablam! 269 | | }
Sep 10 05:57:49.728 INFO kablam!     | |_^
Sep 10 05:57:49.728 INFO kablam!     |
Sep 10 05:57:49.728 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 10 05:57:49.728 INFO kablam! 
Sep 10 05:57:49.894 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:49.894 INFO kablam!    --> src/polynomial.rs:416:5
Sep 10 05:57:49.894 INFO kablam!     |
Sep 10 05:57:49.894 INFO kablam! 416 |     self + &other;
Sep 10 05:57:49.894 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:49.894 INFO kablam!     |
Sep 10 05:57:49.894 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 05:57:49.894 INFO kablam! 
Sep 10 05:57:49.898 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:49.898 INFO kablam!    --> src/polynomial.rs:500:5
Sep 10 05:57:49.898 INFO kablam!     |
Sep 10 05:57:49.898 INFO kablam! 500 |     self - &other;
Sep 10 05:57:49.898 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:49.898 INFO kablam! 
Sep 10 05:57:49.898 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:49.898 INFO kablam!    --> src/polynomial.rs:596:5
Sep 10 05:57:49.898 INFO kablam!     |
Sep 10 05:57:49.898 INFO kablam! 596 |     self * &other;
Sep 10 05:57:49.898 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:49.898 INFO kablam! 
Sep 10 05:57:49.898 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 10 05:57:49.898 INFO kablam!    --> src/polynomial.rs:618:5
Sep 10 05:57:49.898 INFO kablam!     |
Sep 10 05:57:49.898 INFO kablam! 618 |     self.mul(other);
Sep 10 05:57:49.898 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 10 05:57:49.898 INFO kablam! 
Sep 10 05:57:51.416 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:51.416 INFO kablam!    --> src/polynomial.rs:416:5
Sep 10 05:57:51.416 INFO kablam!     |
Sep 10 05:57:51.416 INFO kablam! 416 |     self + &other;
Sep 10 05:57:51.416 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:51.416 INFO kablam!     |
Sep 10 05:57:51.416 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 05:57:51.416 INFO kablam! 
Sep 10 05:57:51.416 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:51.416 INFO kablam!    --> src/polynomial.rs:500:5
Sep 10 05:57:51.416 INFO kablam!     |
Sep 10 05:57:51.416 INFO kablam! 500 |     self - &other;
Sep 10 05:57:51.416 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:51.416 INFO kablam! 
Sep 10 05:57:51.417 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 05:57:51.417 INFO kablam!    --> src/polynomial.rs:596:5
Sep 10 05:57:51.417 INFO kablam!     |
Sep 10 05:57:51.417 INFO kablam! 596 |     self * &other;
Sep 10 05:57:51.417 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 05:57:51.417 INFO kablam! 
Sep 10 05:57:51.417 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 10 05:57:51.417 INFO kablam!    --> src/polynomial.rs:618:5
Sep 10 05:57:51.417 INFO kablam!     |
Sep 10 05:57:51.417 INFO kablam! 618 |     self.mul(other);
Sep 10 05:57:51.417 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 10 05:57:51.417 INFO kablam! 
Sep 10 05:57:51.481 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Sep 10 05:57:51.485 INFO kablam! su: No module specific data is present
Sep 10 05:57:51.974 INFO running `"docker" "rm" "-f" "9f0c40eab5daa1543e3c87880f5882013b12d90f359f07f3350f2194a0e68823"`
Sep 10 05:57:52.048 INFO blam! 9f0c40eab5daa1543e3c87880f5882013b12d90f359f07f3350f2194a0e68823