Nov 28 09:40:50.512 INFO checking alfanick/xxcalc-rs against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 09:40:50.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 09:40:50.897 INFO [stdout] 211d5d2e7801730b8c8831713d8381ff070538c81afad527ff3eae935cc41acf
Nov 28 09:40:50.900 INFO running `"docker" "start" "-a" "211d5d2e7801730b8c8831713d8381ff070538c81afad527ff3eae935cc41acf"`
Nov 28 09:40:51.785 INFO [stderr] usermod: no changes
Nov 28 09:40:51.904 INFO [stderr]     Checking smallvec v0.3.1
Nov 28 09:40:52.663 INFO [stderr]     Checking xxcalc v0.2.1 (/source)
Nov 28 09:40:53.321 INFO [stderr] warning: unused macro definition
Nov 28 09:40:53.321 INFO [stderr]    --> src/tokenizer.rs:265:1
Nov 28 09:40:53.322 INFO [stderr]     |
Nov 28 09:40:53.322 INFO [stderr] 265 | / macro_rules! tokenize {
Nov 28 09:40:53.322 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 28 09:40:53.322 INFO [stderr] 267 | | }
Nov 28 09:40:53.322 INFO [stderr]     | |_^
Nov 28 09:40:53.322 INFO [stderr]     |
Nov 28 09:40:53.322 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 28 09:40:53.322 INFO [stderr] 
Nov 28 09:40:53.322 INFO [stderr] warning: unused macro definition
Nov 28 09:40:53.322 INFO [stderr]    --> src/tokenizer.rs:269:1
Nov 28 09:40:53.322 INFO [stderr]     |
Nov 28 09:40:53.322 INFO [stderr] 269 | / macro_rules! tokenize_ref {
Nov 28 09:40:53.322 INFO [stderr] 270 | |   ($x:expr) => (Tokenizer::default().process($x))
Nov 28 09:40:53.322 INFO [stderr] 271 | | }
Nov 28 09:40:53.322 INFO [stderr]     | |_^
Nov 28 09:40:53.322 INFO [stderr] 
Nov 28 09:40:53.748 INFO [stderr] warning: unused macro definition
Nov 28 09:40:53.749 INFO [stderr]    --> src/tokenizer.rs:265:1
Nov 28 09:40:53.749 INFO [stderr]     |
Nov 28 09:40:53.749 INFO [stderr] 265 | / macro_rules! tokenize {
Nov 28 09:40:53.749 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 28 09:40:53.749 INFO [stderr] 267 | | }
Nov 28 09:40:53.749 INFO [stderr]     | |_^
Nov 28 09:40:53.749 INFO [stderr]     |
Nov 28 09:40:53.749 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 28 09:40:53.749 INFO [stderr] 
Nov 28 09:40:53.857 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:53.857 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 28 09:40:53.858 INFO [stderr]     |
Nov 28 09:40:53.858 INFO [stderr] 416 |     self + &other;
Nov 28 09:40:53.858 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:53.858 INFO [stderr]     |
Nov 28 09:40:53.859 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 09:40:53.859 INFO [stderr] 
Nov 28 09:40:53.859 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:53.859 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 28 09:40:53.860 INFO [stderr]     |
Nov 28 09:40:53.860 INFO [stderr] 500 |     self - &other;
Nov 28 09:40:53.860 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:53.861 INFO [stderr] 
Nov 28 09:40:53.861 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:53.861 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 28 09:40:53.861 INFO [stderr]     |
Nov 28 09:40:53.862 INFO [stderr] 596 |     self * &other;
Nov 28 09:40:53.862 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:53.862 INFO [stderr] 
Nov 28 09:40:53.862 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 28 09:40:53.863 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 28 09:40:53.863 INFO [stderr]     |
Nov 28 09:40:53.863 INFO [stderr] 618 |     self.mul(other);
Nov 28 09:40:53.863 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 09:40:53.864 INFO [stderr] 
Nov 28 09:40:57.685 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:57.685 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 28 09:40:57.685 INFO [stderr]     |
Nov 28 09:40:57.685 INFO [stderr] 416 |     self + &other;
Nov 28 09:40:57.686 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:57.686 INFO [stderr]     |
Nov 28 09:40:57.686 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 09:40:57.686 INFO [stderr] 
Nov 28 09:40:57.686 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:57.687 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 28 09:40:57.687 INFO [stderr]     |
Nov 28 09:40:57.687 INFO [stderr] 500 |     self - &other;
Nov 28 09:40:57.687 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:57.687 INFO [stderr] 
Nov 28 09:40:57.688 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 09:40:57.688 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 28 09:40:57.688 INFO [stderr]     |
Nov 28 09:40:57.688 INFO [stderr] 596 |     self * &other;
Nov 28 09:40:57.688 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 09:40:57.688 INFO [stderr] 
Nov 28 09:40:57.689 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 28 09:40:57.689 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 28 09:40:57.689 INFO [stderr]     |
Nov 28 09:40:57.689 INFO [stderr] 618 |     self.mul(other);
Nov 28 09:40:57.689 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 09:40:57.689 INFO [stderr] 
Nov 28 09:40:57.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
Nov 28 09:40:57.813 INFO [stderr] su: No module specific data is present
Nov 28 09:40:58.532 INFO running `"docker" "inspect" "211d5d2e7801730b8c8831713d8381ff070538c81afad527ff3eae935cc41acf"`
Nov 28 09:40:58.814 INFO running `"docker" "rm" "-f" "211d5d2e7801730b8c8831713d8381ff070538c81afad527ff3eae935cc41acf"`
Nov 28 09:40:59.092 INFO [stdout] 211d5d2e7801730b8c8831713d8381ff070538c81afad527ff3eae935cc41acf