[INFO] cloning repository alfanick/xxcalc-rs [INFO] running `"git" "clone" "--bare" "git://github.com/alfanick/xxcalc-rs.git" "work/cache/sources/gh/alfanick/xxcalc-rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/alfanick/xxcalc-rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/alfanick/xxcalc-rs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alfanick/xxcalc-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alfanick/xxcalc-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/alfanick/xxcalc-rs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alfanick/xxcalc-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alfanick/xxcalc-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3cc7df7dc2348a75252b37878076c291adad4ba5 [INFO] sha for GitHub repo alfanick/xxcalc-rs: 3cc7df7dc2348a75252b37878076c291adad4ba5 [INFO] validating manifest of alfanick/xxcalc-rs on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of alfanick/xxcalc-rs on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing alfanick/xxcalc-rs [INFO] finished frobbing alfanick/xxcalc-rs [INFO] frobbed toml for alfanick/xxcalc-rs written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alfanick/xxcalc-rs/Cargo.toml [INFO] started frobbing alfanick/xxcalc-rs [INFO] finished frobbing alfanick/xxcalc-rs [INFO] frobbed toml for alfanick/xxcalc-rs written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alfanick/xxcalc-rs/Cargo.toml [INFO] crate alfanick/xxcalc-rs has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.3.1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking alfanick/xxcalc-rs against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-5/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a4a0b235ced366ce68a425aadc5322800d8186be1919028c8ef494078f03cdad [INFO] running `"docker" "start" "-a" "a4a0b235ced366ce68a425aadc5322800d8186be1919028c8ef494078f03cdad"` [INFO] [stderr] Checking smallvec v0.3.1 [INFO] [stderr] Checking xxcalc v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/tokenizer.rs:265:1 [INFO] [stderr] | [INFO] [stderr] 265 | / macro_rules! tokenize { [INFO] [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stderr] 267 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/tokenizer.rs:269:1 [INFO] [stderr] | [INFO] [stderr] 269 | / macro_rules! tokenize_ref { [INFO] [stderr] 270 | | ($x:expr) => (Tokenizer::default().process($x)) [INFO] [stderr] 271 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/tokenizer.rs:265:1 [INFO] [stderr] | [INFO] [stderr] 265 | / macro_rules! tokenize { [INFO] [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stderr] 267 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:416:5 [INFO] [stderr] | [INFO] [stderr] 416 | self + &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:500:5 [INFO] [stderr] | [INFO] [stderr] 500 | self - &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:596:5 [INFO] [stderr] | [INFO] [stderr] 596 | self * &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used [INFO] [stderr] --> src/polynomial.rs:618:5 [INFO] [stderr] | [INFO] [stderr] 618 | self.mul(other); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:416:5 [INFO] [stderr] | [INFO] [stderr] 416 | self + &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:500:5 [INFO] [stderr] | [INFO] [stderr] 500 | self - &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/polynomial.rs:596:5 [INFO] [stderr] | [INFO] [stderr] 596 | self * &other; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::ops::Mul::mul` that must be used [INFO] [stderr] --> src/polynomial.rs:618:5 [INFO] [stderr] | [INFO] [stderr] 618 | self.mul(other); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.62s [INFO] running `"docker" "inspect" "a4a0b235ced366ce68a425aadc5322800d8186be1919028c8ef494078f03cdad"` [INFO] running `"docker" "rm" "-f" "a4a0b235ced366ce68a425aadc5322800d8186be1919028c8ef494078f03cdad"` [INFO] [stdout] a4a0b235ced366ce68a425aadc5322800d8186be1919028c8ef494078f03cdad