Nov 28 15:08:28.396 INFO checking xxcalc-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 15:08:28.396 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 15:08:28.682 INFO [stdout] d75b34b787ab151b8ef0ffa93c2d4cbbda13a76c3b151299e15d1ce470089f2b
Nov 28 15:08:28.684 INFO running `"docker" "start" "-a" "d75b34b787ab151b8ef0ffa93c2d4cbbda13a76c3b151299e15d1ce470089f2b"`
Nov 28 15:08:29.250 INFO [stderr] usermod: no changes
Nov 28 15:08:29.321 INFO [stderr]     Checking xxcalc v0.2.1 (/source)
Nov 28 15:08:29.891 INFO [stderr] warning: unused macro definition
Nov 28 15:08:29.892 INFO [stderr]    --> src/tokenizer.rs:267:1
Nov 28 15:08:29.893 INFO [stderr]     |
Nov 28 15:08:29.894 INFO [stderr] 267 | / macro_rules! tokenize {
Nov 28 15:08:29.894 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 28 15:08:29.895 INFO [stderr] 269 | | }
Nov 28 15:08:29.895 INFO [stderr]     | |_^
Nov 28 15:08:29.896 INFO [stderr]     |
Nov 28 15:08:29.897 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 28 15:08:29.897 INFO [stderr] 
Nov 28 15:08:29.898 INFO [stderr] warning: unused macro definition
Nov 28 15:08:29.899 INFO [stderr]    --> src/tokenizer.rs:271:1
Nov 28 15:08:29.899 INFO [stderr]     |
Nov 28 15:08:29.899 INFO [stderr] 271 | / macro_rules! tokenize_ref {
Nov 28 15:08:29.899 INFO [stderr] 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Nov 28 15:08:29.899 INFO [stderr] 273 | | }
Nov 28 15:08:29.900 INFO [stderr]     | |_^
Nov 28 15:08:29.900 INFO [stderr] 
Nov 28 15:08:30.152 INFO [stderr] warning: unused macro definition
Nov 28 15:08:30.153 INFO [stderr]    --> src/tokenizer.rs:267:1
Nov 28 15:08:30.154 INFO [stderr]     |
Nov 28 15:08:30.154 INFO [stderr] 267 | / macro_rules! tokenize {
Nov 28 15:08:30.155 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 28 15:08:30.155 INFO [stderr] 269 | | }
Nov 28 15:08:30.156 INFO [stderr]     | |_^
Nov 28 15:08:30.157 INFO [stderr]     |
Nov 28 15:08:30.157 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 28 15:08:30.158 INFO [stderr] 
Nov 28 15:08:30.304 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:30.304 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 28 15:08:30.305 INFO [stderr]     |
Nov 28 15:08:30.306 INFO [stderr] 416 |     self + &other;
Nov 28 15:08:30.306 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:30.307 INFO [stderr]     |
Nov 28 15:08:30.307 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 15:08:30.308 INFO [stderr] 
Nov 28 15:08:30.308 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:30.308 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 28 15:08:30.308 INFO [stderr]     |
Nov 28 15:08:30.309 INFO [stderr] 500 |     self - &other;
Nov 28 15:08:30.309 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:30.309 INFO [stderr] 
Nov 28 15:08:30.310 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:30.310 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 28 15:08:30.310 INFO [stderr]     |
Nov 28 15:08:30.311 INFO [stderr] 596 |     self * &other;
Nov 28 15:08:30.311 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:30.311 INFO [stderr] 
Nov 28 15:08:30.312 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 28 15:08:30.312 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 28 15:08:30.312 INFO [stderr]     |
Nov 28 15:08:30.312 INFO [stderr] 618 |     self.mul(other);
Nov 28 15:08:30.313 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 15:08:30.313 INFO [stderr] 
Nov 28 15:08:32.843 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:32.843 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 28 15:08:32.843 INFO [stderr]     |
Nov 28 15:08:32.843 INFO [stderr] 416 |     self + &other;
Nov 28 15:08:32.843 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:32.843 INFO [stderr]     |
Nov 28 15:08:32.843 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 15:08:32.843 INFO [stderr] 
Nov 28 15:08:32.845 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:32.845 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 28 15:08:32.845 INFO [stderr]     |
Nov 28 15:08:32.845 INFO [stderr] 500 |     self - &other;
Nov 28 15:08:32.845 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:32.845 INFO [stderr] 
Nov 28 15:08:32.845 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 15:08:32.845 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 28 15:08:32.845 INFO [stderr]     |
Nov 28 15:08:32.845 INFO [stderr] 596 |     self * &other;
Nov 28 15:08:32.845 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 28 15:08:32.845 INFO [stderr] 
Nov 28 15:08:32.845 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 28 15:08:32.845 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 28 15:08:32.845 INFO [stderr]     |
Nov 28 15:08:32.845 INFO [stderr] 618 |     self.mul(other);
Nov 28 15:08:32.845 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 15:08:32.845 INFO [stderr] 
Nov 28 15:08:32.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Nov 28 15:08:32.909 INFO [stderr] su: No module specific data is present
Nov 28 15:08:33.353 INFO running `"docker" "inspect" "d75b34b787ab151b8ef0ffa93c2d4cbbda13a76c3b151299e15d1ce470089f2b"`
Nov 28 15:08:33.560 INFO running `"docker" "rm" "-f" "d75b34b787ab151b8ef0ffa93c2d4cbbda13a76c3b151299e15d1ce470089f2b"`
Nov 28 15:08:33.781 INFO [stdout] d75b34b787ab151b8ef0ffa93c2d4cbbda13a76c3b151299e15d1ce470089f2b