Dec 19 20:39:39.487 INFO checking alfanick/xxcalc-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 20:39:39.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 20:39:39.870 INFO [stdout] caa2f64cecb08871d62c5cba0e1966762d59969ec245716a97e1dfd950b6aa50 Dec 19 20:39:39.872 INFO running `"docker" "start" "-a" "caa2f64cecb08871d62c5cba0e1966762d59969ec245716a97e1dfd950b6aa50"` Dec 19 20:39:41.504 INFO [stderr] Checking smallvec v0.3.1 Dec 19 20:39:42.141 INFO [stderr] Checking xxcalc v0.2.1 (/opt/crater/workdir) Dec 19 20:39:42.579 INFO [stderr] warning: unused macro definition Dec 19 20:39:42.580 INFO [stderr] --> src/tokenizer.rs:265:1 Dec 19 20:39:42.580 INFO [stderr] | Dec 19 20:39:42.580 INFO [stderr] 265 | / macro_rules! tokenize { Dec 19 20:39:42.581 INFO [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) Dec 19 20:39:42.581 INFO [stderr] 267 | | } Dec 19 20:39:42.581 INFO [stderr] | |_^ Dec 19 20:39:42.582 INFO [stderr] | Dec 19 20:39:42.582 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 19 20:39:42.582 INFO [stderr] Dec 19 20:39:42.583 INFO [stderr] warning: unused macro definition Dec 19 20:39:42.583 INFO [stderr] --> src/tokenizer.rs:269:1 Dec 19 20:39:42.583 INFO [stderr] | Dec 19 20:39:42.584 INFO [stderr] 269 | / macro_rules! tokenize_ref { Dec 19 20:39:42.584 INFO [stderr] 270 | | ($x:expr) => (Tokenizer::default().process($x)) Dec 19 20:39:42.584 INFO [stderr] 271 | | } Dec 19 20:39:42.585 INFO [stderr] | |_^ Dec 19 20:39:42.585 INFO [stderr] Dec 19 20:39:43.016 INFO [stderr] warning: unused macro definition Dec 19 20:39:43.016 INFO [stderr] --> src/tokenizer.rs:265:1 Dec 19 20:39:43.016 INFO [stderr] | Dec 19 20:39:43.016 INFO [stderr] 265 | / macro_rules! tokenize { Dec 19 20:39:43.016 INFO [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) Dec 19 20:39:43.016 INFO [stderr] 267 | | } Dec 19 20:39:43.016 INFO [stderr] | |_^ Dec 19 20:39:43.016 INFO [stderr] | Dec 19 20:39:43.016 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 19 20:39:43.016 INFO [stderr] Dec 19 20:39:43.132 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:43.132 INFO [stderr] --> src/polynomial.rs:416:5 Dec 19 20:39:43.132 INFO [stderr] | Dec 19 20:39:43.132 INFO [stderr] 416 | self + &other; Dec 19 20:39:43.132 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:43.132 INFO [stderr] | Dec 19 20:39:43.132 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 20:39:43.132 INFO [stderr] Dec 19 20:39:43.132 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:43.132 INFO [stderr] --> src/polynomial.rs:500:5 Dec 19 20:39:43.132 INFO [stderr] | Dec 19 20:39:43.132 INFO [stderr] 500 | self - &other; Dec 19 20:39:43.132 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:43.132 INFO [stderr] Dec 19 20:39:43.133 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:43.133 INFO [stderr] --> src/polynomial.rs:596:5 Dec 19 20:39:43.133 INFO [stderr] | Dec 19 20:39:43.133 INFO [stderr] 596 | self * &other; Dec 19 20:39:43.133 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:43.133 INFO [stderr] Dec 19 20:39:43.133 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used Dec 19 20:39:43.133 INFO [stderr] --> src/polynomial.rs:618:5 Dec 19 20:39:43.133 INFO [stderr] | Dec 19 20:39:43.133 INFO [stderr] 618 | self.mul(other); Dec 19 20:39:43.133 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 19 20:39:43.133 INFO [stderr] Dec 19 20:39:45.851 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:45.851 INFO [stderr] --> src/polynomial.rs:416:5 Dec 19 20:39:45.851 INFO [stderr] | Dec 19 20:39:45.852 INFO [stderr] 416 | self + &other; Dec 19 20:39:45.852 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:45.852 INFO [stderr] | Dec 19 20:39:45.853 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 20:39:45.853 INFO [stderr] Dec 19 20:39:45.853 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:45.854 INFO [stderr] --> src/polynomial.rs:500:5 Dec 19 20:39:45.854 INFO [stderr] | Dec 19 20:39:45.854 INFO [stderr] 500 | self - &other; Dec 19 20:39:45.854 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:45.854 INFO [stderr] Dec 19 20:39:45.854 INFO [stderr] warning: unused arithmetic operation that must be used Dec 19 20:39:45.854 INFO [stderr] --> src/polynomial.rs:596:5 Dec 19 20:39:45.855 INFO [stderr] | Dec 19 20:39:45.855 INFO [stderr] 596 | self * &other; Dec 19 20:39:45.855 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 20:39:45.855 INFO [stderr] Dec 19 20:39:45.855 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used Dec 19 20:39:45.855 INFO [stderr] --> src/polynomial.rs:618:5 Dec 19 20:39:45.855 INFO [stderr] | Dec 19 20:39:45.855 INFO [stderr] 618 | self.mul(other); Dec 19 20:39:45.855 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 19 20:39:45.855 INFO [stderr] Dec 19 20:39:45.930 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.46s Dec 19 20:39:46.619 INFO running `"docker" "inspect" "caa2f64cecb08871d62c5cba0e1966762d59969ec245716a97e1dfd950b6aa50"` Dec 19 20:39:46.894 INFO running `"docker" "rm" "-f" "caa2f64cecb08871d62c5cba0e1966762d59969ec245716a97e1dfd950b6aa50"` Dec 19 20:39:47.224 INFO [stdout] caa2f64cecb08871d62c5cba0e1966762d59969ec245716a97e1dfd950b6aa50