Sep 03 21:38:57.571 INFO checking xxcalc-0.2.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 21:38:57.571 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 21:38:57.571 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 21:38:57.719 INFO blam! c1fd81826dde47f826c685cdcc9565d834adc31855ceedc6edfc1707c81cef06
Sep 03 21:38:57.724 INFO running `"docker" "start" "-a" "c1fd81826dde47f826c685cdcc9565d834adc31855ceedc6edfc1707c81cef06"`
Sep 03 21:38:58.427 INFO kablam!     Checking xxcalc v0.2.1 (file:///source)
Sep 03 21:38:58.660 INFO kablam! warning: unused macro definition
Sep 03 21:38:58.660 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 03 21:38:58.660 INFO kablam!     |
Sep 03 21:38:58.660 INFO kablam! 267 | / macro_rules! tokenize {
Sep 03 21:38:58.660 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 03 21:38:58.660 INFO kablam! 269 | | }
Sep 03 21:38:58.660 INFO kablam!     | |_^
Sep 03 21:38:58.660 INFO kablam!     |
Sep 03 21:38:58.660 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 03 21:38:58.661 INFO kablam! 
Sep 03 21:38:58.661 INFO kablam! warning: unused macro definition
Sep 03 21:38:58.661 INFO kablam!    --> src/tokenizer.rs:271:1
Sep 03 21:38:58.661 INFO kablam!     |
Sep 03 21:38:58.661 INFO kablam! 271 | / macro_rules! tokenize_ref {
Sep 03 21:38:58.661 INFO kablam! 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Sep 03 21:38:58.661 INFO kablam! 273 | | }
Sep 03 21:38:58.661 INFO kablam!     | |_^
Sep 03 21:38:58.661 INFO kablam! 
Sep 03 21:38:58.892 INFO kablam! warning: unused macro definition
Sep 03 21:38:58.892 INFO kablam!    --> src/tokenizer.rs:267:1
Sep 03 21:38:58.892 INFO kablam!     |
Sep 03 21:38:58.892 INFO kablam! 267 | / macro_rules! tokenize {
Sep 03 21:38:58.892 INFO kablam! 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Sep 03 21:38:58.892 INFO kablam! 269 | | }
Sep 03 21:38:58.892 INFO kablam!     | |_^
Sep 03 21:38:58.892 INFO kablam!     |
Sep 03 21:38:58.892 INFO kablam!     = note: #[warn(unused_macros)] on by default
Sep 03 21:38:58.892 INFO kablam! 
Sep 03 21:38:59.250 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:38:59.250 INFO kablam!    --> src/polynomial.rs:416:5
Sep 03 21:38:59.250 INFO kablam!     |
Sep 03 21:38:59.250 INFO kablam! 416 |     self + &other;
Sep 03 21:38:59.250 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:38:59.250 INFO kablam!     |
Sep 03 21:38:59.250 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 03 21:38:59.250 INFO kablam! 
Sep 03 21:38:59.250 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:38:59.250 INFO kablam!    --> src/polynomial.rs:500:5
Sep 03 21:38:59.250 INFO kablam!     |
Sep 03 21:38:59.250 INFO kablam! 500 |     self - &other;
Sep 03 21:38:59.250 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:38:59.250 INFO kablam! 
Sep 03 21:38:59.251 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:38:59.251 INFO kablam!    --> src/polynomial.rs:596:5
Sep 03 21:38:59.251 INFO kablam!     |
Sep 03 21:38:59.251 INFO kablam! 596 |     self * &other;
Sep 03 21:38:59.251 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:38:59.251 INFO kablam! 
Sep 03 21:38:59.251 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 03 21:38:59.251 INFO kablam!    --> src/polynomial.rs:618:5
Sep 03 21:38:59.251 INFO kablam!     |
Sep 03 21:38:59.251 INFO kablam! 618 |     self.mul(other);
Sep 03 21:38:59.251 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 03 21:38:59.251 INFO kablam! 
Sep 03 21:39:01.195 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:39:01.195 INFO kablam!    --> src/polynomial.rs:416:5
Sep 03 21:39:01.195 INFO kablam!     |
Sep 03 21:39:01.195 INFO kablam! 416 |     self + &other;
Sep 03 21:39:01.195 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:39:01.195 INFO kablam!     |
Sep 03 21:39:01.195 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 03 21:39:01.195 INFO kablam! 
Sep 03 21:39:01.195 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:39:01.195 INFO kablam!    --> src/polynomial.rs:500:5
Sep 03 21:39:01.195 INFO kablam!     |
Sep 03 21:39:01.195 INFO kablam! 500 |     self - &other;
Sep 03 21:39:01.195 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:39:01.195 INFO kablam! 
Sep 03 21:39:01.195 INFO kablam! warning: unused arithmetic operation which must be used
Sep 03 21:39:01.196 INFO kablam!    --> src/polynomial.rs:596:5
Sep 03 21:39:01.196 INFO kablam!     |
Sep 03 21:39:01.196 INFO kablam! 596 |     self * &other;
Sep 03 21:39:01.196 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 03 21:39:01.196 INFO kablam! 
Sep 03 21:39:01.196 INFO kablam! warning: unused return value of `std::ops::Mul::mul` which must be used
Sep 03 21:39:01.196 INFO kablam!    --> src/polynomial.rs:618:5
Sep 03 21:39:01.196 INFO kablam!     |
Sep 03 21:39:01.196 INFO kablam! 618 |     self.mul(other);
Sep 03 21:39:01.196 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Sep 03 21:39:01.196 INFO kablam! 
Sep 03 21:39:01.297 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Sep 03 21:39:01.302 INFO kablam! su: No module specific data is present
Sep 03 21:39:02.008 INFO running `"docker" "rm" "-f" "c1fd81826dde47f826c685cdcc9565d834adc31855ceedc6edfc1707c81cef06"`
Sep 03 21:39:02.102 INFO blam! c1fd81826dde47f826c685cdcc9565d834adc31855ceedc6edfc1707c81cef06