[INFO] updating cached repository wilkmaia/linear-systems-solver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wilkmaia/linear-systems-solver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wilkmaia/linear-systems-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wilkmaia/linear-systems-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkmaia/linear-systems-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkmaia/linear-systems-solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bcabc3789167f22c1f531334aa3e0c2bcbaed16c [INFO] sha for GitHub repo wilkmaia/linear-systems-solver: bcabc3789167f22c1f531334aa3e0c2bcbaed16c [INFO] validating manifest of wilkmaia/linear-systems-solver on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wilkmaia/linear-systems-solver on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wilkmaia/linear-systems-solver [INFO] finished frobbing wilkmaia/linear-systems-solver [INFO] frobbed toml for wilkmaia/linear-systems-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver/Cargo.toml [INFO] started frobbing wilkmaia/linear-systems-solver [INFO] finished frobbing wilkmaia/linear-systems-solver [INFO] frobbed toml for wilkmaia/linear-systems-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkmaia/linear-systems-solver/Cargo.toml [INFO] crate wilkmaia/linear-systems-solver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing wilkmaia/linear-systems-solver against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] e25aa2e89fe601a2c81469655ee1d27acd91c4fde3ab87b3e32e520f20c39c1b [INFO] running `"docker" "start" "-a" "e25aa2e89fe601a2c81469655ee1d27acd91c4fde3ab87b3e32e520f20c39c1b"` [INFO] [stderr] Compiling gauss v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:362:49 [INFO] [stderr] | [INFO] [stderr] 362 | write_to_output_file( x, r, dif, z, n, method, ( ( 10f64 / er ).log10() as usize ) ); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:28 [INFO] [stderr] | [INFO] [stderr] 92 | fn ajuste_de_matrizes<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:58 [INFO] [stderr] | [INFO] [stderr] 92 | fn ajuste_de_matrizes<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:25 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:55 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:80 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:67 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:92 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:119 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `"docker" "inspect" "e25aa2e89fe601a2c81469655ee1d27acd91c4fde3ab87b3e32e520f20c39c1b"` [INFO] running `"docker" "rm" "-f" "e25aa2e89fe601a2c81469655ee1d27acd91c4fde3ab87b3e32e520f20c39c1b"` [INFO] [stdout] e25aa2e89fe601a2c81469655ee1d27acd91c4fde3ab87b3e32e520f20c39c1b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 36b21c8ff12ecd547ebc923e3e5c9da145e58b1b1c1238da184d2e3c53770aaf [INFO] running `"docker" "start" "-a" "36b21c8ff12ecd547ebc923e3e5c9da145e58b1b1c1238da184d2e3c53770aaf"` [INFO] [stderr] Compiling gauss v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:362:49 [INFO] [stderr] | [INFO] [stderr] 362 | write_to_output_file( x, r, dif, z, n, method, ( ( 10f64 / er ).log10() as usize ) ); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:28 [INFO] [stderr] | [INFO] [stderr] 92 | fn ajuste_de_matrizes<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:58 [INFO] [stderr] | [INFO] [stderr] 92 | fn ajuste_de_matrizes<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:25 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:55 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:80 [INFO] [stderr] | [INFO] [stderr] 138 | fn metodo_de_gauss<'a>( mut a: &'a mut Vec>, mut b: &'a mut Vec, mut x: &'a mut Vec ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:67 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:92 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:119 [INFO] [stderr] | [INFO] [stderr] 197 | fn metodos_iterativos<'a>( a: &'a Vec>, b: &'a Vec, mut x: &'a mut Vec, mut dif: &'a mut Vec, mut z: &'a mut u32, er: f64, method: u8 ) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `"docker" "inspect" "36b21c8ff12ecd547ebc923e3e5c9da145e58b1b1c1238da184d2e3c53770aaf"` [INFO] running `"docker" "rm" "-f" "36b21c8ff12ecd547ebc923e3e5c9da145e58b1b1c1238da184d2e3c53770aaf"` [INFO] [stdout] 36b21c8ff12ecd547ebc923e3e5c9da145e58b1b1c1238da184d2e3c53770aaf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkmaia/linear-systems-solver:/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 5c2ec78c287a331700c14d85e69230af534f1eb36310ce8e32409a66309bbd56 [INFO] running `"docker" "start" "-a" "5c2ec78c287a331700c14d85e69230af534f1eb36310ce8e32409a66309bbd56"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/gauss-4f48c98018ea333b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "5c2ec78c287a331700c14d85e69230af534f1eb36310ce8e32409a66309bbd56"` [INFO] running `"docker" "rm" "-f" "5c2ec78c287a331700c14d85e69230af534f1eb36310ce8e32409a66309bbd56"` [INFO] [stdout] 5c2ec78c287a331700c14d85e69230af534f1eb36310ce8e32409a66309bbd56