Dec 11 22:48:22.002 INFO checking alfanick/xxcalc-rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:48:22.002 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 22:48:22.484 INFO [stdout] 0f3cc37ade55024d8fd118d631dd7374b05cd699a190b4e2a92cbf16bc149fbf
Dec 11 22:48:22.484 INFO running `"docker" "start" "-a" "0f3cc37ade55024d8fd118d631dd7374b05cd699a190b4e2a92cbf16bc149fbf"`
Dec 11 22:48:23.677 INFO [stderr] usermod: no changes
Dec 11 22:48:23.737 INFO [stderr]     Checking smallvec v0.3.1
Dec 11 22:48:24.525 INFO [stderr]     Checking xxcalc v0.2.1 (/source)
Dec 11 22:48:24.968 INFO [stderr] warning: unused macro definition
Dec 11 22:48:24.968 INFO [stderr]    --> src/tokenizer.rs:265:1
Dec 11 22:48:24.968 INFO [stderr]     |
Dec 11 22:48:24.968 INFO [stderr] 265 | / macro_rules! tokenize {
Dec 11 22:48:24.968 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 11 22:48:24.968 INFO [stderr] 267 | | }
Dec 11 22:48:24.968 INFO [stderr]     | |_^
Dec 11 22:48:24.968 INFO [stderr]     |
Dec 11 22:48:24.968 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 11 22:48:24.968 INFO [stderr] 
Dec 11 22:48:24.968 INFO [stderr] warning: unused macro definition
Dec 11 22:48:24.968 INFO [stderr]    --> src/tokenizer.rs:269:1
Dec 11 22:48:24.968 INFO [stderr]     |
Dec 11 22:48:24.968 INFO [stderr] 269 | / macro_rules! tokenize_ref {
Dec 11 22:48:24.968 INFO [stderr] 270 | |   ($x:expr) => (Tokenizer::default().process($x))
Dec 11 22:48:24.968 INFO [stderr] 271 | | }
Dec 11 22:48:24.968 INFO [stderr]     | |_^
Dec 11 22:48:24.968 INFO [stderr] 
Dec 11 22:48:25.292 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:25.292 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr] 416 |     self + &other;
Dec 11 22:48:25.292 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 22:48:25.292 INFO [stderr] 
Dec 11 22:48:25.292 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:25.292 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr] 500 |     self - &other;
Dec 11 22:48:25.292 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:25.292 INFO [stderr] 
Dec 11 22:48:25.292 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:25.292 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr] 596 |     self * &other;
Dec 11 22:48:25.292 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:25.292 INFO [stderr] 
Dec 11 22:48:25.292 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 11 22:48:25.292 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr] 618 |     self.mul(other);
Dec 11 22:48:25.292 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 22:48:25.292 INFO [stderr] 
Dec 11 22:48:25.292 INFO [stderr] warning: unused macro definition
Dec 11 22:48:25.292 INFO [stderr]    --> src/tokenizer.rs:265:1
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr] 265 | / macro_rules! tokenize {
Dec 11 22:48:25.292 INFO [stderr] 266 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
Dec 11 22:48:25.292 INFO [stderr] 267 | | }
Dec 11 22:48:25.292 INFO [stderr]     | |_^
Dec 11 22:48:25.292 INFO [stderr]     |
Dec 11 22:48:25.292 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 11 22:48:25.292 INFO [stderr] 
Dec 11 22:48:29.478 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:29.478 INFO [stderr]    --> src/polynomial.rs:416:5
Dec 11 22:48:29.478 INFO [stderr]     |
Dec 11 22:48:29.479 INFO [stderr] 416 |     self + &other;
Dec 11 22:48:29.479 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:29.479 INFO [stderr]     |
Dec 11 22:48:29.479 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 22:48:29.480 INFO [stderr] 
Dec 11 22:48:29.480 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:29.481 INFO [stderr]    --> src/polynomial.rs:500:5
Dec 11 22:48:29.481 INFO [stderr]     |
Dec 11 22:48:29.481 INFO [stderr] 500 |     self - &other;
Dec 11 22:48:29.481 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:29.481 INFO [stderr] 
Dec 11 22:48:29.482 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 22:48:29.482 INFO [stderr]    --> src/polynomial.rs:596:5
Dec 11 22:48:29.483 INFO [stderr]     |
Dec 11 22:48:29.483 INFO [stderr] 596 |     self * &other;
Dec 11 22:48:29.483 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 22:48:29.483 INFO [stderr] 
Dec 11 22:48:29.484 INFO [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used
Dec 11 22:48:29.484 INFO [stderr]    --> src/polynomial.rs:618:5
Dec 11 22:48:29.484 INFO [stderr]     |
Dec 11 22:48:29.485 INFO [stderr] 618 |     self.mul(other);
Dec 11 22:48:29.485 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 22:48:29.485 INFO [stderr] 
Dec 11 22:48:29.606 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
Dec 11 22:48:29.617 INFO [stderr] su: No module specific data is present
Dec 11 22:48:30.871 INFO running `"docker" "inspect" "0f3cc37ade55024d8fd118d631dd7374b05cd699a190b4e2a92cbf16bc149fbf"`
Dec 11 22:48:31.248 INFO running `"docker" "rm" "-f" "0f3cc37ade55024d8fd118d631dd7374b05cd699a190b4e2a92cbf16bc149fbf"`
Dec 11 22:48:31.580 INFO [stdout] 0f3cc37ade55024d8fd118d631dd7374b05cd699a190b4e2a92cbf16bc149fbf