Dec 18 04:10:57.545 INFO checking alfanick/xxcalc-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:10:57.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/alfanick/xxcalc-rs:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:57.691 INFO [stdout] 364decb979c0207c21ea1fe7dbf989d8a72a6dab34108b4096517a43ab9d9310
Dec 18 04:10:57.694 INFO running `"docker" "start" "-a" "364decb979c0207c21ea1fe7dbf989d8a72a6dab34108b4096517a43ab9d9310"`
Dec 18 04:10:58.340 INFO [stderr]     Checking smallvec v0.3.1
Dec 18 04:10:58.824 INFO [stderr]     Checking xxcalc v0.2.1 (/opt/crater/workdir)
Dec 18 04:10:59.105 INFO [stderr] warning: unused macro definition
Dec 18 04:10:59.105 INFO [stderr]    --> src/tokenizer.rs:265:1
Dec 18 04:10:59.105 INFO [stderr]     |
Dec 18 04:10:59.105 INFO [stderr] 265 | / macro_rules! tokenize {
Dec 18 04:10:59.105 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 18 04:10:59.105 INFO [stderr] 267 | | }
Dec 18 04:10:59.105 INFO [stderr]     | |_^
Dec 18 04:10:59.105 INFO [stderr]     |
Dec 18 04:10:59.105 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 04:10:59.105 INFO [stderr] 
Dec 18 04:10:59.105 INFO [stderr] warning: unused macro definition
Dec 18 04:10:59.105 INFO [stderr]    --> src/tokenizer.rs:269:1
Dec 18 04:10:59.105 INFO [stderr]     |
Dec 18 04:10:59.105 INFO [stderr] 269 | / macro_rules! tokenize_ref {
Dec 18 04:10:59.105 INFO [stderr] 270 | |   ($x:expr) => (Tokenizer::default().process($x))
Dec 18 04:10:59.105 INFO [stderr] 271 | | }
Dec 18 04:10:59.105 INFO [stderr]     | |_^
Dec 18 04:10:59.105 INFO [stderr] 
Dec 18 04:10:59.240 INFO [stderr] warning: unused macro definition
Dec 18 04:10:59.240 INFO [stderr]    --> src/tokenizer.rs:265:1
Dec 18 04:10:59.240 INFO [stderr]     |
Dec 18 04:10:59.240 INFO [stderr] 265 | / macro_rules! tokenize {
Dec 18 04:10:59.240 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 18 04:10:59.240 INFO [stderr] 267 | | }
Dec 18 04:10:59.240 INFO [stderr]     | |_^
Dec 18 04:10:59.240 INFO [stderr]     |
Dec 18 04:10:59.240 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 04:10:59.240 INFO [stderr] 
Dec 18 04:10:59.474 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:10:59.474 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 18 04:10:59.474 INFO [stderr]     |
Dec 18 04:10:59.474 INFO [stderr] 416 |     self + &other;
Dec 18 04:10:59.474 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:10:59.474 INFO [stderr]     |
Dec 18 04:10:59.474 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 04:10:59.474 INFO [stderr] 
Dec 18 04:10:59.475 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:10:59.475 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 18 04:10:59.475 INFO [stderr]     |
Dec 18 04:10:59.475 INFO [stderr] 500 |     self - &other;
Dec 18 04:10:59.475 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:10:59.475 INFO [stderr] 
Dec 18 04:10:59.475 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:10:59.475 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 18 04:10:59.475 INFO [stderr]     |
Dec 18 04:10:59.475 INFO [stderr] 596 |     self * &other;
Dec 18 04:10:59.475 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:10:59.475 INFO [stderr] 
Dec 18 04:10:59.475 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 18 04:10:59.475 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 18 04:10:59.475 INFO [stderr]     |
Dec 18 04:10:59.475 INFO [stderr] 618 |     self.mul(other);
Dec 18 04:10:59.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 18 04:10:59.475 INFO [stderr] 
Dec 18 04:11:00.941 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:11:00.941 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 18 04:11:00.941 INFO [stderr]     |
Dec 18 04:11:00.941 INFO [stderr] 416 |     self + &other;
Dec 18 04:11:00.941 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:11:00.941 INFO [stderr]     |
Dec 18 04:11:00.941 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 04:11:00.941 INFO [stderr] 
Dec 18 04:11:00.941 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:11:00.941 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 18 04:11:00.941 INFO [stderr]     |
Dec 18 04:11:00.941 INFO [stderr] 500 |     self - &other;
Dec 18 04:11:00.941 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:11:00.941 INFO [stderr] 
Dec 18 04:11:00.941 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 04:11:00.941 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 18 04:11:00.941 INFO [stderr]     |
Dec 18 04:11:00.941 INFO [stderr] 596 |     self * &other;
Dec 18 04:11:00.941 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 04:11:00.941 INFO [stderr] 
Dec 18 04:11:00.941 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 18 04:11:00.941 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 18 04:11:00.941 INFO [stderr]     |
Dec 18 04:11:00.941 INFO [stderr] 618 |     self.mul(other);
Dec 18 04:11:00.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 18 04:11:00.941 INFO [stderr] 
Dec 18 04:11:01.025 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 18 04:11:01.854 INFO running `"docker" "inspect" "364decb979c0207c21ea1fe7dbf989d8a72a6dab34108b4096517a43ab9d9310"`
Dec 18 04:11:02.044 INFO running `"docker" "rm" "-f" "364decb979c0207c21ea1fe7dbf989d8a72a6dab34108b4096517a43ab9d9310"`
Dec 18 04:11:02.396 INFO [stdout] 364decb979c0207c21ea1fe7dbf989d8a72a6dab34108b4096517a43ab9d9310