Nov 30 12:37:23.512 INFO checking xxcalc-0.2.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 12:37:23.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 12:37:23.826 INFO [stdout] 291996f2c024beb6427ab50bc5a35071d9a09529e9a1934923e53f535e247a91
Nov 30 12:37:23.828 INFO running `"docker" "start" "-a" "291996f2c024beb6427ab50bc5a35071d9a09529e9a1934923e53f535e247a91"`
Nov 30 12:37:24.571 INFO [stderr] usermod: no changes
Nov 30 12:37:24.626 INFO [stderr]     Checking xxcalc v0.2.1 (/source)
Nov 30 12:37:25.129 INFO [stderr] warning: unused macro definition
Nov 30 12:37:25.129 INFO [stderr]    --> src/tokenizer.rs:267:1
Nov 30 12:37:25.129 INFO [stderr]     |
Nov 30 12:37:25.129 INFO [stderr] 267 | / macro_rules! tokenize {
Nov 30 12:37:25.129 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 30 12:37:25.129 INFO [stderr] 269 | | }
Nov 30 12:37:25.129 INFO [stderr]     | |_^
Nov 30 12:37:25.129 INFO [stderr]     |
Nov 30 12:37:25.129 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 30 12:37:25.129 INFO [stderr] 
Nov 30 12:37:25.129 INFO [stderr] warning: unused macro definition
Nov 30 12:37:25.129 INFO [stderr]    --> src/tokenizer.rs:271:1
Nov 30 12:37:25.129 INFO [stderr]     |
Nov 30 12:37:25.129 INFO [stderr] 271 | / macro_rules! tokenize_ref {
Nov 30 12:37:25.129 INFO [stderr] 272 | |   ($x:expr) => (Tokenizer::default().process($x))
Nov 30 12:37:25.129 INFO [stderr] 273 | | }
Nov 30 12:37:25.129 INFO [stderr]     | |_^
Nov 30 12:37:25.129 INFO [stderr] 
Nov 30 12:37:25.396 INFO [stderr] warning: unused macro definition
Nov 30 12:37:25.396 INFO [stderr]    --> src/tokenizer.rs:267:1
Nov 30 12:37:25.396 INFO [stderr]     |
Nov 30 12:37:25.396 INFO [stderr] 267 | / macro_rules! tokenize {
Nov 30 12:37:25.396 INFO [stderr] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Nov 30 12:37:25.396 INFO [stderr] 269 | | }
Nov 30 12:37:25.396 INFO [stderr]     | |_^
Nov 30 12:37:25.396 INFO [stderr]     |
Nov 30 12:37:25.396 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 30 12:37:25.396 INFO [stderr] 
Nov 30 12:37:25.500 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:25.500 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 30 12:37:25.500 INFO [stderr]     |
Nov 30 12:37:25.500 INFO [stderr] 416 |     self + &other;
Nov 30 12:37:25.500 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:25.500 INFO [stderr]     |
Nov 30 12:37:25.500 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 12:37:25.500 INFO [stderr] 
Nov 30 12:37:25.500 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:25.500 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 30 12:37:25.500 INFO [stderr]     |
Nov 30 12:37:25.500 INFO [stderr] 500 |     self - &other;
Nov 30 12:37:25.500 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:25.500 INFO [stderr] 
Nov 30 12:37:25.500 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:25.500 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 30 12:37:25.500 INFO [stderr]     |
Nov 30 12:37:25.500 INFO [stderr] 596 |     self * &other;
Nov 30 12:37:25.500 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:25.500 INFO [stderr] 
Nov 30 12:37:25.500 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 30 12:37:25.500 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 30 12:37:25.500 INFO [stderr]     |
Nov 30 12:37:25.500 INFO [stderr] 618 |     self.mul(other);
Nov 30 12:37:25.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 30 12:37:25.500 INFO [stderr] 
Nov 30 12:37:27.124 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:27.124 INFO [stderr]    --> src/polynomial.rs:416:5
Nov 30 12:37:27.124 INFO [stderr]     |
Nov 30 12:37:27.124 INFO [stderr] 416 |     self + &other;
Nov 30 12:37:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:27.124 INFO [stderr]     |
Nov 30 12:37:27.124 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 12:37:27.124 INFO [stderr] 
Nov 30 12:37:27.124 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:27.124 INFO [stderr]    --> src/polynomial.rs:500:5
Nov 30 12:37:27.124 INFO [stderr]     |
Nov 30 12:37:27.124 INFO [stderr] 500 |     self - &other;
Nov 30 12:37:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:27.124 INFO [stderr] 
Nov 30 12:37:27.124 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:37:27.124 INFO [stderr]    --> src/polynomial.rs:596:5
Nov 30 12:37:27.124 INFO [stderr]     |
Nov 30 12:37:27.124 INFO [stderr] 596 |     self * &other;
Nov 30 12:37:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 30 12:37:27.124 INFO [stderr] 
Nov 30 12:37:27.124 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Nov 30 12:37:27.124 INFO [stderr]    --> src/polynomial.rs:618:5
Nov 30 12:37:27.124 INFO [stderr]     |
Nov 30 12:37:27.124 INFO [stderr] 618 |     self.mul(other);
Nov 30 12:37:27.124 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 30 12:37:27.124 INFO [stderr] 
Nov 30 12:37:27.169 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Nov 30 12:37:27.173 INFO [stderr] su: No module specific data is present
Nov 30 12:37:27.464 INFO running `"docker" "inspect" "291996f2c024beb6427ab50bc5a35071d9a09529e9a1934923e53f535e247a91"`
Nov 30 12:37:27.684 INFO running `"docker" "rm" "-f" "291996f2c024beb6427ab50bc5a35071d9a09529e9a1934923e53f535e247a91"`
Nov 30 12:37:27.880 INFO [stdout] 291996f2c024beb6427ab50bc5a35071d9a09529e9a1934923e53f535e247a91