Oct 27 08:29:54.456 INFO checking alfanick/xxcalc-rs against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 08:29:54.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 08:29:54.865 INFO blam! 3db198e9904257ed38e69fef0f8e73b88aa65c89f61d65c197abd69c109d7f6e
Oct 27 08:29:54.869 INFO running `"docker" "start" "-a" "3db198e9904257ed38e69fef0f8e73b88aa65c89f61d65c197abd69c109d7f6e"`
Oct 27 08:29:55.995 INFO kablam! usermod: no changes
Oct 27 08:29:56.099 INFO kablam!     Checking smallvec v0.3.1
Oct 27 08:29:57.135 INFO kablam!     Checking xxcalc v0.2.1 (/source)
Oct 27 08:29:57.811 INFO kablam! warning: unused macro definition
Oct 27 08:29:57.811 INFO kablam!    --> src/tokenizer.rs:265:1
Oct 27 08:29:57.811 INFO kablam!     |
Oct 27 08:29:57.811 INFO kablam! 265 | / macro_rules! tokenize {
Oct 27 08:29:57.811 INFO kablam! 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Oct 27 08:29:57.811 INFO kablam! 267 | | }
Oct 27 08:29:57.811 INFO kablam!     | |_^
Oct 27 08:29:57.811 INFO kablam!     |
Oct 27 08:29:57.811 INFO kablam!     = note: #[warn(unused_macros)] on by default
Oct 27 08:29:57.811 INFO kablam! 
Oct 27 08:29:57.811 INFO kablam! warning: unused macro definition
Oct 27 08:29:57.811 INFO kablam!    --> src/tokenizer.rs:269:1
Oct 27 08:29:57.811 INFO kablam!     |
Oct 27 08:29:57.811 INFO kablam! 269 | / macro_rules! tokenize_ref {
Oct 27 08:29:57.811 INFO kablam! 270 | |   ($x:expr) => (Tokenizer::default().process($x))
Oct 27 08:29:57.811 INFO kablam! 271 | | }
Oct 27 08:29:57.811 INFO kablam!     | |_^
Oct 27 08:29:57.811 INFO kablam! 
Oct 27 08:29:58.423 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:29:58.423 INFO kablam!    --> src/polynomial.rs:416:5
Oct 27 08:29:58.424 INFO kablam!     |
Oct 27 08:29:58.424 INFO kablam! 416 |     self + &other;
Oct 27 08:29:58.424 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:29:58.425 INFO kablam!     |
Oct 27 08:29:58.425 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 08:29:58.425 INFO kablam! 
Oct 27 08:29:58.425 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:29:58.426 INFO kablam!    --> src/polynomial.rs:500:5
Oct 27 08:29:58.426 INFO kablam!     |
Oct 27 08:29:58.426 INFO kablam! 500 |     self - &other;
Oct 27 08:29:58.426 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:29:58.427 INFO kablam! 
Oct 27 08:29:58.427 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:29:58.427 INFO kablam!    --> src/polynomial.rs:596:5
Oct 27 08:29:58.427 INFO kablam!     |
Oct 27 08:29:58.428 INFO kablam! 596 |     self * &other;
Oct 27 08:29:58.428 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:29:58.428 INFO kablam! 
Oct 27 08:29:58.428 INFO kablam! warning: unused return value of `std::ops::Mul::mul` that must be used
Oct 27 08:29:58.429 INFO kablam!    --> src/polynomial.rs:618:5
Oct 27 08:29:58.429 INFO kablam!     |
Oct 27 08:29:58.429 INFO kablam! 618 |     self.mul(other);
Oct 27 08:29:58.430 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Oct 27 08:29:58.430 INFO kablam! 
Oct 27 08:29:58.463 INFO kablam! warning: unused macro definition
Oct 27 08:29:58.464 INFO kablam!    --> src/tokenizer.rs:265:1
Oct 27 08:29:58.464 INFO kablam!     |
Oct 27 08:29:58.464 INFO kablam! 265 | / macro_rules! tokenize {
Oct 27 08:29:58.464 INFO kablam! 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Oct 27 08:29:58.465 INFO kablam! 267 | | }
Oct 27 08:29:58.465 INFO kablam!     | |_^
Oct 27 08:29:58.465 INFO kablam!     |
Oct 27 08:29:58.465 INFO kablam!     = note: #[warn(unused_macros)] on by default
Oct 27 08:29:58.466 INFO kablam! 
Oct 27 08:30:02.719 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:30:02.719 INFO kablam!    --> src/polynomial.rs:416:5
Oct 27 08:30:02.720 INFO kablam!     |
Oct 27 08:30:02.720 INFO kablam! 416 |     self + &other;
Oct 27 08:30:02.720 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:30:02.721 INFO kablam!     |
Oct 27 08:30:02.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 08:30:02.721 INFO kablam! 
Oct 27 08:30:02.721 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:30:02.722 INFO kablam!    --> src/polynomial.rs:500:5
Oct 27 08:30:02.722 INFO kablam!     |
Oct 27 08:30:02.722 INFO kablam! 500 |     self - &other;
Oct 27 08:30:02.723 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:30:02.723 INFO kablam! 
Oct 27 08:30:02.723 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 08:30:02.723 INFO kablam!    --> src/polynomial.rs:596:5
Oct 27 08:30:02.724 INFO kablam!     |
Oct 27 08:30:02.724 INFO kablam! 596 |     self * &other;
Oct 27 08:30:02.724 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 27 08:30:02.724 INFO kablam! 
Oct 27 08:30:02.725 INFO kablam! warning: unused return value of `std::ops::Mul::mul` that must be used
Oct 27 08:30:02.725 INFO kablam!    --> src/polynomial.rs:618:5
Oct 27 08:30:02.725 INFO kablam!     |
Oct 27 08:30:02.725 INFO kablam! 618 |     self.mul(other);
Oct 27 08:30:02.726 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Oct 27 08:30:02.726 INFO kablam! 
Oct 27 08:30:02.856 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
Oct 27 08:30:02.863 INFO kablam! su: No module specific data is present
Oct 27 08:30:03.871 INFO running `"docker" "rm" "-f" "3db198e9904257ed38e69fef0f8e73b88aa65c89f61d65c197abd69c109d7f6e"`
Oct 27 08:30:04.227 INFO blam! 3db198e9904257ed38e69fef0f8e73b88aa65c89f61d65c197abd69c109d7f6e