Sep 19 17:29:07.490 INFO checking xxcalc-0.2.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 17:29:07.490 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 17:29:07.490 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:29:07.740 INFO blam! 5b1b10c9bb0b84a12cf965a600ac1c57becf6cd42f8a24ced758e3bec10651cc
Sep 19 17:29:07.742 INFO running `"docker" "start" "-a" "5b1b10c9bb0b84a12cf965a600ac1c57becf6cd42f8a24ced758e3bec10651cc"`
Sep 19 17:29:08.601 INFO kablam! usermod: no changes
Sep 19 17:29:08.648 INFO kablam!     Checking xxcalc v0.2.1 (/source)
Sep 19 17:29:08.836 INFO kablam! warning: unused macro definition
Sep 19 17:29:08.836 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 19 17:29:08.836 INFO kablam!     |
Sep 19 17:29:08.836 INFO kablam! 267 | / macro_rules! tokenize {
Sep 19 17:29:08.836 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 19 17:29:08.836 INFO kablam! 269 | | }
Sep 19 17:29:08.836 INFO kablam!     | |_^
Sep 19 17:29:08.836 INFO kablam!     |
Sep 19 17:29:08.836 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 19 17:29:08.836 INFO kablam! 
Sep 19 17:29:08.837 INFO kablam! warning: unused macro definition
Sep 19 17:29:08.837 INFO kablam!    --> src/tokenizer.rs:271:1
Sep 19 17:29:08.837 INFO kablam!     |
Sep 19 17:29:08.837 INFO kablam! 271 | / macro_rules! tokenize_ref {
Sep 19 17:29:08.837 INFO kablam! 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Sep 19 17:29:08.837 INFO kablam! 273 | | }
Sep 19 17:29:08.837 INFO kablam!     | |_^
Sep 19 17:29:08.837 INFO kablam! 
Sep 19 17:29:09.010 INFO kablam! warning: unused macro definition
Sep 19 17:29:09.010 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 19 17:29:09.010 INFO kablam!     |
Sep 19 17:29:09.010 INFO kablam! 267 | / macro_rules! tokenize {
Sep 19 17:29:09.010 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 19 17:29:09.010 INFO kablam! 269 | | }
Sep 19 17:29:09.010 INFO kablam!     | |_^
Sep 19 17:29:09.010 INFO kablam!     |
Sep 19 17:29:09.010 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 19 17:29:09.010 INFO kablam! 
Sep 19 17:29:09.199 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:09.199 INFO kablam!    --> src/polynomial.rs:416:5
Sep 19 17:29:09.199 INFO kablam!     |
Sep 19 17:29:09.199 INFO kablam! 416 |     self + &other;
Sep 19 17:29:09.199 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:09.199 INFO kablam!     |
Sep 19 17:29:09.199 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 17:29:09.199 INFO kablam! 
Sep 19 17:29:09.199 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:09.199 INFO kablam!    --> src/polynomial.rs:500:5
Sep 19 17:29:09.200 INFO kablam!     |
Sep 19 17:29:09.200 INFO kablam! 500 |     self - &other;
Sep 19 17:29:09.200 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:09.200 INFO kablam! 
Sep 19 17:29:09.200 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:09.200 INFO kablam!    --> src/polynomial.rs:596:5
Sep 19 17:29:09.200 INFO kablam!     |
Sep 19 17:29:09.200 INFO kablam! 596 |     self * &other;
Sep 19 17:29:09.200 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:09.201 INFO kablam! 
Sep 19 17:29:09.201 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 19 17:29:09.201 INFO kablam!    --> src/polynomial.rs:618:5
Sep 19 17:29:09.201 INFO kablam!     |
Sep 19 17:29:09.201 INFO kablam! 618 |     self.mul(other);
Sep 19 17:29:09.201 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 19 17:29:09.202 INFO kablam! 
Sep 19 17:29:10.611 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:10.611 INFO kablam!    --> src/polynomial.rs:416:5
Sep 19 17:29:10.611 INFO kablam!     |
Sep 19 17:29:10.611 INFO kablam! 416 |     self + &other;
Sep 19 17:29:10.611 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:10.611 INFO kablam!     |
Sep 19 17:29:10.611 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 17:29:10.611 INFO kablam! 
Sep 19 17:29:10.611 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:10.612 INFO kablam!    --> src/polynomial.rs:500:5
Sep 19 17:29:10.612 INFO kablam!     |
Sep 19 17:29:10.612 INFO kablam! 500 |     self - &other;
Sep 19 17:29:10.612 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:10.612 INFO kablam! 
Sep 19 17:29:10.612 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:29:10.612 INFO kablam!    --> src/polynomial.rs:596:5
Sep 19 17:29:10.612 INFO kablam!     |
Sep 19 17:29:10.612 INFO kablam! 596 |     self * &other;
Sep 19 17:29:10.612 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 19 17:29:10.612 INFO kablam! 
Sep 19 17:29:10.612 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 19 17:29:10.612 INFO kablam!    --> src/polynomial.rs:618:5
Sep 19 17:29:10.612 INFO kablam!     |
Sep 19 17:29:10.612 INFO kablam! 618 |     self.mul(other);
Sep 19 17:29:10.612 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 19 17:29:10.612 INFO kablam! 
Sep 19 17:29:10.686 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Sep 19 17:29:10.690 INFO kablam! su: No module specific data is present
Sep 19 17:29:11.318 INFO running `"docker" "rm" "-f" "5b1b10c9bb0b84a12cf965a600ac1c57becf6cd42f8a24ced758e3bec10651cc"`
Sep 19 17:29:11.420 INFO blam! 5b1b10c9bb0b84a12cf965a600ac1c57becf6cd42f8a24ced758e3bec10651cc