[INFO] fetching crate rustml 0.0.7...
[INFO] checking rustml-0.0.7 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate rustml 0.0.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rustml 0.0.7
[INFO] removed 13 missing examples
[INFO] finished tweaking crates.io crate rustml 0.0.7
[INFO] tweaked toml for crates.io crate rustml 0.0.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustml 0.0.7 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding flate2 v0.2.20 (available: v1.1.2)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] [stderr]       Adding regex v0.1.80 (available: v1.11.1)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.41)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3087a35bd52ca1bde996196d53dd13631b4d10d99faffa43739067d8d329ed8e
[INFO] running `Command { std: "docker" "start" "-a" "3087a35bd52ca1bde996196d53dd13631b4d10d99faffa43739067d8d329ed8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3087a35bd52ca1bde996196d53dd13631b4d10d99faffa43739067d8d329ed8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3087a35bd52ca1bde996196d53dd13631b4d10d99faffa43739067d8d329ed8e", kill_on_drop: false }`
[INFO] [stdout] 3087a35bd52ca1bde996196d53dd13631b4d10d99faffa43739067d8d329ed8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67885e5a5fffb02c5ea95b89375c38e8c824e766de43de9d227a594db219f53
[INFO] running `Command { std: "docker" "start" "-a" "b67885e5a5fffb02c5ea95b89375c38e8c824e766de43de9d227a594db219f53", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling rustml v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> build.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(s.success(), "\n\n".to_string() + msg);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(s.success(), "{}", "\n\n".to_string() + msg);
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/blas.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut data = try!(GzipData::from_file(fname));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         if try!(MnistDigits::read_u32(&mut data)) != 8 * 256 + 1 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let n = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut data = try!(GzipData::from_file(fname));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if try!(MnistDigits::read_u32(&mut data)) != 8 * 256 + 3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let n = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let rows = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let cols = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let labels = try!(MnistDigits::read_labels(labels_fname));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let values = try!(MnistDigits::read_examples(vectors_fname));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let features = try!(MnistDigits::path("train-images-idx3-ubyte.gz"));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let labels = try!(MnistDigits::path("train-labels-idx1-ubyte.gz"));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:163:24
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let features = try!(MnistDigits::path("t10k-images-idx3-ubyte.gz"));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let labels = try!(MnistDigits::path("t10k-labels-idx1-ubyte.gz"));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(GzDecoder::new(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     try!(File::open(fname)
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vectors.rs:225:37
[INFO] [stdout]     |
[INFO] [stdout] 225 |         buf: BufReader::<File>::new(try!(File::open(path))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/vectors.rs:352:1
[INFO] [stdout]     |
[INFO] [stdout] 352 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/opencv/bindings.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/opencv/bindings.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/opencv/bindings.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/blas.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut data = try!(GzipData::from_file(fname));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         if try!(MnistDigits::read_u32(&mut data)) != 8 * 256 + 1 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/datasets.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let n = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut data = try!(GzipData::from_file(fname));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if try!(MnistDigits::read_u32(&mut data)) != 8 * 256 + 3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let n = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let rows = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let cols = try!(MnistDigits::read_u32(&mut data));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let labels = try!(MnistDigits::read_labels(labels_fname));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let values = try!(MnistDigits::read_examples(vectors_fname));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let features = try!(MnistDigits::path("train-images-idx3-ubyte.gz"));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let labels = try!(MnistDigits::path("train-labels-idx1-ubyte.gz"));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:163:24
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let features = try!(MnistDigits::path("t10k-images-idx3-ubyte.gz"));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datasets.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let labels = try!(MnistDigits::path("t10k-labels-idx1-ubyte.gz"));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::*`
[INFO] [stdout]    --> src/distance.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use matrix::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(GzDecoder::new(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     try!(File::open(fname)
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/io.rs:576:69
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let v = r.map(|x| x.unwrap()).collect::<Vec<Vec<String>>>();;
[INFO] [stdout]     |                                                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::*`
[INFO] [stdout]   --> src/knn.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vectors.rs:225:37
[INFO] [stdout]     |
[INFO] [stdout] 225 |         buf: BufReader::<File>::new(try!(File::open(path))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/vectors.rs:352:1
[INFO] [stdout]     |
[INFO] [stdout] 352 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]    --> src/ops.rs:545:9
[INFO] [stdout]     |
[INFO] [stdout] 545 |     use self::num::abs;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/opencv/bindings.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/opencv/bindings.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/opencv/bindings.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::*`
[INFO] [stdout]    --> src/regression.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     use matrix::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]    --> src/nn.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |     use self::num::abs;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:411:25
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 444 | matrix_vector_ops_impl!{ f32, s_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 444 | matrix_vector_ops_impl!{ f32, s_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:411:25
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 445 | matrix_vector_ops_impl!{ f64, d_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 445 | matrix_vector_ops_impl!{ f64, d_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/matrix.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 | /             format!("Dimensions of matrices do not match. {}x{}, {}x{}",
[INFO] [stdout] 228 | |                     self.rows(), self.cols(), e.rows(), e.cols()
[INFO] [stdout] 229 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 227 ~             "Dimensions of matrices do not match. {}x{}, {}x{}",
[INFO] [stdout] 228 |                     self.rows(), self.cols(), e.rows(), e.cols()
[INFO] [stdout] 229 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:605:17
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:626:21
[INFO] [stdout]     |
[INFO] [stdout] 626 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 626 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:650:21
[INFO] [stdout]     |
[INFO] [stdout] 650 |     pub fn row_iter(&self) -> RowIterator<T> {
[INFO] [stdout]     |                     ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 650 |     pub fn row_iter(&self) -> RowIterator<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:659:21
[INFO] [stdout]     |
[INFO] [stdout] 659 |     pub fn col_iter(&self) -> ColIterator<T> {
[INFO] [stdout]     |                     ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 659 |     pub fn col_iter(&self) -> ColIterator<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:686:24
[INFO] [stdout]     |
[INFO] [stdout] 686 |     pub fn row_iter_at(&self, n: usize) -> RowIterator<T> {
[INFO] [stdout]     |                        ^^^^^               -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 686 |     pub fn row_iter_at(&self, n: usize) -> RowIterator<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:725:24
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn row_iter_of(&self, rows: &[usize]) -> SelectedRowIterator<T> {
[INFO] [stdout]     |                        ^^^^^                     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn row_iter_of(&self, rows: &[usize]) -> SelectedRowIterator<'_, T> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/matrix.rs:1238:13
[INFO] [stdout]      |
[INFO] [stdout] 1238 | /             format!("Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1239 | |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1240 | |             )
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1238 ~             "Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1239 |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1240 ~             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/matrix.rs:1277:13
[INFO] [stdout]      |
[INFO] [stdout] 1277 | /             format!("Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1278 | |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1279 | |             )
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1277 ~             "Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1278 |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1279 ~             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/io.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> Skip<Iter<u8>> { self.v.iter().skip(self.idx) }
[INFO] [stdout]     |                 ^^^^^          -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> Skip<Iter<'_, u8>> { self.v.iter().skip(self.idx) }
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ops_inplace.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 | /             format!("Dimensions for d_gemm do not match: {}x{} * {}x{}", 
[INFO] [stdout] 108 | |             rowsa, colsa, rowsb, colsb
[INFO] [stdout] 109 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 107 ~             "Dimensions for d_gemm do not match: {}x{} * {}x{}", 
[INFO] [stdout] 108 |             rowsa, colsa, rowsb, colsb
[INFO] [stdout] 109 ~         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:688:27
[INFO] [stdout]     |
[INFO] [stdout] 688 |     pub fn mask_iter<'q>(&'q self, i: &'q GrayImage) -> MaskIter {
[INFO] [stdout]     |                           ^^           ^^               -------- the lifetime gets resolved as `'q`
[INFO] [stdout]     |                           |            |
[INFO] [stdout]     |                           |            these lifetimes flow to the output
[INFO] [stdout]     |                           these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'q`
[INFO] [stdout]     |
[INFO] [stdout] 688 |     pub fn mask_iter<'q>(&'q self, i: &'q GrayImage) -> MaskIter<'q> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:698:23
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub fn pixel_iter(&self) -> GrayValueIterator {
[INFO] [stdout]     |                       ^^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub fn pixel_iter(&self) -> GrayValueIterator<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:797:29
[INFO] [stdout]     |
[INFO] [stdout] 797 |     pub fn color_frame_iter(&self) -> VideoColorFrameIterator {
[INFO] [stdout]     |                             ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 797 |     pub fn color_frame_iter(&self) -> VideoColorFrameIterator<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |     pub fn gray_frame_iter(&self) -> VideoGrayFrameIterator {
[INFO] [stdout]     |                            ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 803 |     pub fn gray_frame_iter(&self) -> VideoGrayFrameIterator<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dbscan.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(data: &'a Vec<Point2D<f64>>, eps: f64, minpts: usize) -> ClusterDbscan {
[INFO] [stdout]    |                       ^^ this lifetime flows to the output              ------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(data: &'a Vec<Point2D<f64>>, eps: f64, minpts: usize) -> ClusterDbscan<'a> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate rustml;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:411:25
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 444 | matrix_vector_ops_impl!{ f32, s_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 444 | matrix_vector_ops_impl!{ f32, s_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:411:25
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 445 | matrix_vector_ops_impl!{ f64, d_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     let mut r = m.row_mut(i).unwrap();
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 445 | matrix_vector_ops_impl!{ f64, d_gemv }
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `matrix_vector_ops_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/matrix.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 | /             format!("Dimensions of matrices do not match. {}x{}, {}x{}",
[INFO] [stdout] 228 | |                     self.rows(), self.cols(), e.rows(), e.cols()
[INFO] [stdout] 229 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 227 ~             "Dimensions of matrices do not match. {}x{}, {}x{}",
[INFO] [stdout] 228 |                     self.rows(), self.cols(), e.rows(), e.cols()
[INFO] [stdout] 229 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:605:17
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:626:21
[INFO] [stdout]     |
[INFO] [stdout] 626 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 626 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:650:21
[INFO] [stdout]     |
[INFO] [stdout] 650 |     pub fn row_iter(&self) -> RowIterator<T> {
[INFO] [stdout]     |                     ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 650 |     pub fn row_iter(&self) -> RowIterator<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:659:21
[INFO] [stdout]     |
[INFO] [stdout] 659 |     pub fn col_iter(&self) -> ColIterator<T> {
[INFO] [stdout]     |                     ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 659 |     pub fn col_iter(&self) -> ColIterator<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:686:24
[INFO] [stdout]     |
[INFO] [stdout] 686 |     pub fn row_iter_at(&self, n: usize) -> RowIterator<T> {
[INFO] [stdout]     |                        ^^^^^               -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 686 |     pub fn row_iter_at(&self, n: usize) -> RowIterator<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/matrix.rs:725:24
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn row_iter_of(&self, rows: &[usize]) -> SelectedRowIterator<T> {
[INFO] [stdout]     |                        ^^^^^                     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn row_iter_of(&self, rows: &[usize]) -> SelectedRowIterator<'_, T> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/matrix.rs:1238:13
[INFO] [stdout]      |
[INFO] [stdout] 1238 | /             format!("Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1239 | |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1240 | |             )
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1238 ~             "Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1239 |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1240 ~             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/matrix.rs:1277:13
[INFO] [stdout]      |
[INFO] [stdout] 1277 | /             format!("Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1278 | |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1279 | |             )
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1277 ~             "Dimensions of matrices do not match. {}x{} * {}x{}",
[INFO] [stdout] 1278 |                 self.rows(), self.cols(), rhs.rows(), rhs.cols()
[INFO] [stdout] 1279 ~             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/io.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> Skip<Iter<u8>> { self.v.iter().skip(self.idx) }
[INFO] [stdout]     |                 ^^^^^          -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> Skip<Iter<'_, u8>> { self.v.iter().skip(self.idx) }
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ops_inplace.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 | /             format!("Dimensions for d_gemm do not match: {}x{} * {}x{}", 
[INFO] [stdout] 108 | |             rowsa, colsa, rowsb, colsb
[INFO] [stdout] 109 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 107 ~             "Dimensions for d_gemm do not match: {}x{} * {}x{}", 
[INFO] [stdout] 108 |             rowsa, colsa, rowsb, colsb
[INFO] [stdout] 109 ~         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:688:27
[INFO] [stdout]     |
[INFO] [stdout] 688 |     pub fn mask_iter<'q>(&'q self, i: &'q GrayImage) -> MaskIter {
[INFO] [stdout]     |                           ^^           ^^               -------- the lifetime gets resolved as `'q`
[INFO] [stdout]     |                           |            |
[INFO] [stdout]     |                           |            these lifetimes flow to the output
[INFO] [stdout]     |                           these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'q`
[INFO] [stdout]     |
[INFO] [stdout] 688 |     pub fn mask_iter<'q>(&'q self, i: &'q GrayImage) -> MaskIter<'q> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:698:23
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub fn pixel_iter(&self) -> GrayValueIterator {
[INFO] [stdout]     |                       ^^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 698 |     pub fn pixel_iter(&self) -> GrayValueIterator<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:797:29
[INFO] [stdout]     |
[INFO] [stdout] 797 |     pub fn color_frame_iter(&self) -> VideoColorFrameIterator {
[INFO] [stdout]     |                             ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 797 |     pub fn color_frame_iter(&self) -> VideoColorFrameIterator<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/opencv/mod.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |     pub fn gray_frame_iter(&self) -> VideoGrayFrameIterator {
[INFO] [stdout]     |                            ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 803 |     pub fn gray_frame_iter(&self) -> VideoGrayFrameIterator<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dbscan.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(data: &'a Vec<Point2D<f64>>, eps: f64, minpts: usize) -> ClusterDbscan {
[INFO] [stdout]    |                       ^^ this lifetime flows to the output              ------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(data: &'a Vec<Point2D<f64>>, eps: f64, minpts: usize) -> ClusterDbscan<'a> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "b67885e5a5fffb02c5ea95b89375c38e8c824e766de43de9d227a594db219f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67885e5a5fffb02c5ea95b89375c38e8c824e766de43de9d227a594db219f53", kill_on_drop: false }`
[INFO] [stdout] b67885e5a5fffb02c5ea95b89375c38e8c824e766de43de9d227a594db219f53