Dec 18 09:00:03.990 INFO checking xxcalc-0.2.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:00:03.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/xxcalc/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:00:04.260 INFO [stdout] 244efb32597e792c3df08d4a7c17fb7d5e3688cb22a99aed616be74ae5c9cb6a
Dec 18 09:00:04.266 INFO running `"docker" "start" "-a" "244efb32597e792c3df08d4a7c17fb7d5e3688cb22a99aed616be74ae5c9cb6a"`
Dec 18 09:00:04.987 INFO [stderr]     Checking xxcalc v0.2.1 (/opt/crater/workdir)
Dec 18 09:00:05.240 INFO [stderr] warning: unused macro definition
Dec 18 09:00:05.240 INFO [stderr]    --> src/tokenizer.rs:267:1
Dec 18 09:00:05.240 INFO [stderr]     |
Dec 18 09:00:05.240 INFO [stderr] 267 | / macro_rules! tokenize {
Dec 18 09:00:05.240 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 18 09:00:05.240 INFO [stderr] 269 | | }
Dec 18 09:00:05.240 INFO [stderr]     | |_^
Dec 18 09:00:05.240 INFO [stderr]     |
Dec 18 09:00:05.240 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 09:00:05.240 INFO [stderr] 
Dec 18 09:00:05.240 INFO [stderr] warning: unused macro definition
Dec 18 09:00:05.240 INFO [stderr]    --> src/tokenizer.rs:271:1
Dec 18 09:00:05.241 INFO [stderr]     |
Dec 18 09:00:05.241 INFO [stderr] 271 | / macro_rules! tokenize_ref {
Dec 18 09:00:05.241 INFO [stderr] 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Dec 18 09:00:05.241 INFO [stderr] 273 | | }
Dec 18 09:00:05.241 INFO [stderr]     | |_^
Dec 18 09:00:05.241 INFO [stderr] 
Dec 18 09:00:05.437 INFO [stderr] warning: unused macro definition
Dec 18 09:00:05.438 INFO [stderr]    --> src/tokenizer.rs:267:1
Dec 18 09:00:05.438 INFO [stderr]     |
Dec 18 09:00:05.438 INFO [stderr] 267 | / macro_rules! tokenize {
Dec 18 09:00:05.438 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 18 09:00:05.438 INFO [stderr] 269 | | }
Dec 18 09:00:05.438 INFO [stderr]     | |_^
Dec 18 09:00:05.438 INFO [stderr]     |
Dec 18 09:00:05.438 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 09:00:05.438 INFO [stderr] 
Dec 18 09:00:05.597 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:05.597 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 18 09:00:05.597 INFO [stderr]     |
Dec 18 09:00:05.597 INFO [stderr] 416 |     self + &other;
Dec 18 09:00:05.597 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:05.597 INFO [stderr]     |
Dec 18 09:00:05.597 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 09:00:05.597 INFO [stderr] 
Dec 18 09:00:05.597 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:05.597 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 18 09:00:05.597 INFO [stderr]     |
Dec 18 09:00:05.597 INFO [stderr] 500 |     self - &other;
Dec 18 09:00:05.597 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:05.597 INFO [stderr] 
Dec 18 09:00:05.597 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:05.597 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 18 09:00:05.597 INFO [stderr]     |
Dec 18 09:00:05.598 INFO [stderr] 596 |     self * &other;
Dec 18 09:00:05.598 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:05.598 INFO [stderr] 
Dec 18 09:00:05.598 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 18 09:00:05.598 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 18 09:00:05.598 INFO [stderr]     |
Dec 18 09:00:05.598 INFO [stderr] 618 |     self.mul(other);
Dec 18 09:00:05.598 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 18 09:00:05.598 INFO [stderr] 
Dec 18 09:00:07.369 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:07.369 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 18 09:00:07.369 INFO [stderr]     |
Dec 18 09:00:07.369 INFO [stderr] 416 |     self + &other;
Dec 18 09:00:07.369 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:07.369 INFO [stderr]     |
Dec 18 09:00:07.369 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 09:00:07.369 INFO [stderr] 
Dec 18 09:00:07.369 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:07.369 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 18 09:00:07.369 INFO [stderr]     |
Dec 18 09:00:07.369 INFO [stderr] 500 |     self - &other;
Dec 18 09:00:07.369 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:07.369 INFO [stderr] 
Dec 18 09:00:07.369 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 09:00:07.369 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 18 09:00:07.369 INFO [stderr]     |
Dec 18 09:00:07.369 INFO [stderr] 596 |     self * &other;
Dec 18 09:00:07.369 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 09:00:07.369 INFO [stderr] 
Dec 18 09:00:07.369 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 18 09:00:07.369 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 18 09:00:07.369 INFO [stderr]     |
Dec 18 09:00:07.370 INFO [stderr] 618 |     self.mul(other);
Dec 18 09:00:07.370 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 18 09:00:07.370 INFO [stderr] 
Dec 18 09:00:07.428 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
Dec 18 09:00:07.742 INFO running `"docker" "inspect" "244efb32597e792c3df08d4a7c17fb7d5e3688cb22a99aed616be74ae5c9cb6a"`
Dec 18 09:00:07.914 INFO running `"docker" "rm" "-f" "244efb32597e792c3df08d4a7c17fb7d5e3688cb22a99aed616be74ae5c9cb6a"`
Dec 18 09:00:08.015 INFO [stdout] 244efb32597e792c3df08d4a7c17fb7d5e3688cb22a99aed616be74ae5c9cb6a