[INFO] fetching crate rustml 0.0.7...
[INFO] checking rustml-0.0.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate rustml 0.0.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rustml 0.0.7 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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 37 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
[INFO] [stderr]       Adding flate2 v0.2.20 (latest: v1.0.33)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.4)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (latest: v0.8.4)
[INFO] [stderr]       Adding thread-id v2.0.0 (latest: v4.2.2)
[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e684a2baa9e8c2887308716975a5c3d744d12305645e8709fda671300a6951cc
[INFO] running `Command { std: "docker" "start" "-a" "e684a2baa9e8c2887308716975a5c3d744d12305645e8709fda671300a6951cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e684a2baa9e8c2887308716975a5c3d744d12305645e8709fda671300a6951cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e684a2baa9e8c2887308716975a5c3d744d12305645e8709fda671300a6951cc", kill_on_drop: false }`
[INFO] [stdout] e684a2baa9e8c2887308716975a5c3d744d12305645e8709fda671300a6951cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8e79281df4658eb4ea9ab7ce8657d1f05aa412a5e4a53d040bff8420c7011d4
[INFO] running `Command { std: "docker" "start" "-a" "c8e79281df4658eb4ea9ab7ce8657d1f05aa412a5e4a53d040bff8420c7011d4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling autocfg v1.3.0
[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 unicode-width v0.1.13
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustml v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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 v1.1.15
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[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-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[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: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/datasets.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::env::home_dir;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/datasets.rs:139:15
[INFO] [stdout]     |
[INFO] [stdout] 139 |         match home_dir() {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/consts.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::home_dir;
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/consts.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     match home_dir() {
[INFO] [stdout]   |           ^^^^^^^^
[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: 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: 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: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/datasets.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::env::home_dir;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/datasets.rs:139:15
[INFO] [stdout]     |
[INFO] [stdout] 139 |         match home_dir() {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/consts.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::home_dir;
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/consts.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     match home_dir() {
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn trim(&self, zero: T) -> Self {
[INFO] [stdout]     |                    ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 192 |         self.trim_rows(zero.clone()).trim_cols(zero)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn fill(value: T, rows: usize, cols: usize) -> Matrix<T> {
[INFO] [stdout]     |                 -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 356 |             iter::repeat(value).take(rows * cols).collect(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:874:19
[INFO] [stdout]     |
[INFO] [stdout] 868 |     pub fn map<F, U>(&self, f: F) -> Matrix<U>
[INFO] [stdout]     |                             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 874 |             data: self.data.iter().map(f).collect()
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn match_lines_stdin(r: Regex) -> MatchLines<Stdin> {
[INFO] [stdout]     |                          -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 234 |     MatchLines {
[INFO] [stdout] 235 |         reader: BufReader::new(stdin()),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn match_lines<R: Read>(reader: R, r: Regex) -> MatchLines<R> {
[INFO] [stdout]     |                             ---------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 271 |     MatchLines {
[INFO] [stdout] 272 |         reader: BufReader::new(reader),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 423 | pub fn csv_reader<R: Read>(reader: R) -> CsvReader<R> {
[INFO] [stdout]     |                            --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 424 |     CsvReader {
[INFO] [stdout] 425 |         reader: BufReader::new(reader),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/knn.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn classify<T, L, D>(m: &Matrix<T>, labels: &Vec<L>, example: &[T], k: usize, df: D) -> L
[INFO] [stdout]    |                                                                                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 66 |     let mut targets: Vec<L> = idx.iter().map(|pos| labels.get(*pos).unwrap()).cloned().collect();
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 67 |     targets.sort_by(|a, b| a.cmp(&b));
[INFO] [stdout] 68 |     let mut r = group(&targets);
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 71 |     r.last().unwrap().0.clone()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/vectors.rs:323:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn from_value<T: Num + Clone>(val: T, n: usize) -> Vec<T> {
[INFO] [stdout]     |                                   ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 323 |     iter::repeat(val).take(n).collect()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/opt.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn alpha(&self, val: T) -> OptParams<T> {
[INFO] [stdout]    |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 87 |         OptParams {
[INFO] [stdout] 88 |             alpha: Some(val),
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/opt.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn alpha(&self, val: T) -> OptParams<T> {
[INFO] [stdout]    |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 90 |             eps: self.eps.clone(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/opt.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn eps(&self, val: T) -> OptParams<T> {
[INFO] [stdout]     |                       ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 121 |         OptParams {
[INFO] [stdout] 122 |             alpha: self.alpha.clone(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/opt.rs:124:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn eps(&self, val: T) -> OptParams<T> {
[INFO] [stdout]     |                       ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 124 |             eps: Some(val),
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustml` (lib) due to 13 previous errors; 30 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn trim(&self, zero: T) -> Self {
[INFO] [stdout]     |                    ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 192 |         self.trim_rows(zero.clone()).trim_cols(zero)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn fill(value: T, rows: usize, cols: usize) -> Matrix<T> {
[INFO] [stdout]     |                 -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 356 |             iter::repeat(value).take(rows * cols).collect(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/matrix.rs:874:19
[INFO] [stdout]     |
[INFO] [stdout] 868 |     pub fn map<F, U>(&self, f: F) -> Matrix<U>
[INFO] [stdout]     |                             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 874 |             data: self.data.iter().map(f).collect()
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn match_lines_stdin(r: Regex) -> MatchLines<Stdin> {
[INFO] [stdout]     |                          -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 234 |     MatchLines {
[INFO] [stdout] 235 |         reader: BufReader::new(stdin()),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn match_lines<R: Read>(reader: R, r: Regex) -> MatchLines<R> {
[INFO] [stdout]     |                             ---------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 271 |     MatchLines {
[INFO] [stdout] 272 |         reader: BufReader::new(reader),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/io.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 423 | pub fn csv_reader<R: Read>(reader: R) -> CsvReader<R> {
[INFO] [stdout]     |                            --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 424 |     CsvReader {
[INFO] [stdout] 425 |         reader: BufReader::new(reader),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/knn.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn classify<T, L, D>(m: &Matrix<T>, labels: &Vec<L>, example: &[T], k: usize, df: D) -> L
[INFO] [stdout]    |                                                                                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 66 |     let mut targets: Vec<L> = idx.iter().map(|pos| labels.get(*pos).unwrap()).cloned().collect();
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 67 |     targets.sort_by(|a, b| a.cmp(&b));
[INFO] [stdout] 68 |     let mut r = group(&targets);
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 71 |     r.last().unwrap().0.clone()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/vectors.rs:323:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn from_value<T: Num + Clone>(val: T, n: usize) -> Vec<T> {
[INFO] [stdout]     |                                   ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 323 |     iter::repeat(val).take(n).collect()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/opt.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn alpha(&self, val: T) -> OptParams<T> {
[INFO] [stdout]    |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 87 |         OptParams {
[INFO] [stdout] 88 |             alpha: Some(val),
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/opt.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn alpha(&self, val: T) -> OptParams<T> {
[INFO] [stdout]    |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 90 |             eps: self.eps.clone(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/opt.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn eps(&self, val: T) -> OptParams<T> {
[INFO] [stdout]     |                       ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 121 |         OptParams {
[INFO] [stdout] 122 |             alpha: self.alpha.clone(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/opt.rs:124:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn eps(&self, val: T) -> OptParams<T> {
[INFO] [stdout]     |                       ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 124 |             eps: Some(val),
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustml` (lib test) due to 13 previous errors; 36 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c8e79281df4658eb4ea9ab7ce8657d1f05aa412a5e4a53d040bff8420c7011d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e79281df4658eb4ea9ab7ce8657d1f05aa412a5e4a53d040bff8420c7011d4", kill_on_drop: false }`
[INFO] [stdout] c8e79281df4658eb4ea9ab7ce8657d1f05aa412a5e4a53d040bff8420c7011d4