[INFO] fetching crate rail 0.3.1...
[INFO] testing rail-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rail 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rail 0.3.1
[INFO] finished tweaking crates.io crate rail 0.3.1
[INFO] tweaked toml for crates.io crate rail 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rail 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472abb5214e8b1639a7a60363e9a358d4fd6158f1af9cacc2abc3383850d8381
[INFO] running `Command { std: "docker" "start" "-a" "472abb5214e8b1639a7a60363e9a358d4fd6158f1af9cacc2abc3383850d8381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472abb5214e8b1639a7a60363e9a358d4fd6158f1af9cacc2abc3383850d8381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472abb5214e8b1639a7a60363e9a358d4fd6158f1af9cacc2abc3383850d8381", kill_on_drop: false }`
[INFO] [stdout] 472abb5214e8b1639a7a60363e9a358d4fd6158f1af9cacc2abc3383850d8381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5539b232d9087a32a8ac79493d70dc0eebb89e643d23163a1a41472ff8c4cea
[INFO] running `Command { std: "docker" "start" "-a" "a5539b232d9087a32a8ac79493d70dc0eebb89e643d23163a1a41472ff8c4cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]    Compiling rail v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/dense.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/conv.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 52 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 56 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = dyn Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = dyn Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = dyn Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/mod.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<Layer> {
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<dyn Layer> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<Layer>) -> Self {
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<dyn Layer>) -> Self {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/model.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         unimplemented!();
[INFO] [stdout]     |         ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/layers/conv.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn deserialize(src: &[&str]) -> Box<Self> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/model.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn build(mut self, init: bool) -> Result<Model, ModelError> {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:315:13
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let mut lines = buf.split('\n').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/model.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn save_weights(&self, filename: &str) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/model.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/model.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |         let mut buf = String::with_capacity(2000);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer`
[INFO] [stdout]    --> src/model.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         for layer in &self.layers {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convolve_valid` is never used
[INFO] [stdout]   --> src/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn convolve_valid(input: &Matrix, kernel: &Matrix) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.37s
[INFO] running `Command { std: "docker" "inspect" "a5539b232d9087a32a8ac79493d70dc0eebb89e643d23163a1a41472ff8c4cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5539b232d9087a32a8ac79493d70dc0eebb89e643d23163a1a41472ff8c4cea", kill_on_drop: false }`
[INFO] [stdout] a5539b232d9087a32a8ac79493d70dc0eebb89e643d23163a1a41472ff8c4cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b297cb5de0ebb7c05ba568fd57d885da187e72166a568cfea2f3db3494d7f196
[INFO] running `Command { std: "docker" "start" "-a" "b297cb5de0ebb7c05ba568fd57d885da187e72166a568cfea2f3db3494d7f196", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/dense.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/conv.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 52 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 56 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = dyn Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = dyn Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = dyn Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rail v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/mod.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<Layer> {
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<dyn Layer> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<Layer>) -> Self {
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<dyn Layer>) -> Self {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/model.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         unimplemented!();
[INFO] [stdout]     |         ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/layers/conv.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn deserialize(src: &[&str]) -> Box<Self> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/model.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn build(mut self, init: bool) -> Result<Model, ModelError> {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:315:13
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let mut lines = buf.split('\n').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/model.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn save_weights(&self, filename: &str) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/model.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/model.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |         let mut buf = String::with_capacity(2000);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer`
[INFO] [stdout]    --> src/model.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         for layer in &self.layers {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convolve_valid` is never used
[INFO] [stdout]   --> src/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn convolve_valid(input: &Matrix, kernel: &Matrix) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrayfire::print_gen`
[INFO] [stdout]   --> src/utils.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use arrayfire::print_gen;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/dense.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_gen`
[INFO] [stdout]  --> src/layers/conv.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     print_gen
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 52 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/layers/activations.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout]    |                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         .map(|_| (normal.sample(&mut rng) * c))
[INFO] [stdout] 56 +         .map(|_| normal.sample(&mut rng) * c )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type LossFuntion = dyn Fn(&Matrix, &Matrix) -> f64;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DLossFuntion = dyn Fn(&Matrix, &Matrix) -> Matrix;
[INFO] [stdout]   |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/functions/loss.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LossFuntionGenerator = dyn Fn() -> (Box<LossFuntion>, Box<DLossFuntion>);
[INFO] [stdout]   |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/dense.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     activation: Box<dyn Fn(Matrix) -> Matrix>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/conv.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     dactivation: Box<dyn Fn(Matrix) -> Matrix>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<Layer>>,
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     layers: Vec<Box<dyn Layer>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layers/mod.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<Layer> {
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn load_layer(src: &[&str]) -> Box<dyn Layer> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<Layer>) -> Self {
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn layer(mut self, layer: Box<dyn Layer>) -> Self {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/model.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         unimplemented!();
[INFO] [stdout]     |         ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/layers/conv.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn deserialize(src: &[&str]) -> Box<Self> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/model.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn build(mut self, init: bool) -> Result<Model, ModelError> {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/model.rs:315:13
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let mut lines = buf.split('\n').collect::<Vec<_>>();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/model.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn save_weights(&self, filename: &str) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/model.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut fd = File::create(filename).expect("unable to create file!");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/model.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |         let mut buf = String::with_capacity(2000);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer`
[INFO] [stdout]    --> src/model.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         for layer in &self.layers {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc1nit2D/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{librand-58810cba66bc86b7,librand_xorshift-14e9b45bdf59ad1d,librand_pcg-e9528f8dfe279d43,librand_hc-8c6bc8b58dca19e2,librand_chacha-8349b7f8676f64e7,librand_isaac-d86d4a8db0c58845,librand_core-a81fe7808f612aa2,librand_os-4bebd4bd4532edc0,librand_jitter-7a2811bedef919f4,librand_core-071c4ecd390d5ba3,libarrayfire-76c01f0dd25311fc,libhalf-cc6be314b18dd970,liblibc-e2775a15e5abc6fd,libnum-08825b1d16367042,libnum_rational-65d190a0991d678a,libnum_iter-272925f6ca0c53d6,libnum_complex-9c939617ff12fe99,libnum_bigint-35cb7e1582da28e5,libnum_integer-74a4cf281e9d481c,libnum_traits-c87bc96fedcc67a8,liblazy_static-b3603208c0de2608}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc1nit2D/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/arrayfire/lib" "-L" "/opt/arrayfire/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: af_retain_array
[INFO] [stdout]           >>> referenced by array.rs:694 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:694)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(_$LT$arrayfire..core..array..Array$LT$T$GT$$u20$as$u20$core..clone..Clone$GT$::clone::h6ffbd8de5344af3a)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_release_array
[INFO] [stdout]           >>> referenced by array.rs:710 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:710)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(_$LT$arrayfire..core..array..Array$LT$T$GT$$u20$as$u20$core..ops..drop..Drop$GT$::drop::hb798e5d7faea6478)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_mean
[INFO] [stdout]           >>> referenced by mod.rs:109 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/statistics/mod.rs:109)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::statistics::mean::h7b24019bd936d734)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_tile
[INFO] [stdout]           >>> referenced by data.rs:496 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/data.rs:496)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::data::tile::h4620c403653ebfd8)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_div
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::arith::div_helper::h268ee8a704ab0962)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_mul
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::arith::mul_helper::h3e952166e0e4b575)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sub
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::arith::sub_helper::h2c55316a8344b620)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_exp
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::arith::exp::h8afd3fd9599c43e5)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_create_array
[INFO] [stdout]           >>> referenced by array.rs:228 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:228)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::new::h6259688fb78aeaa0)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_dims
[INFO] [stdout]           >>> referenced by array.rs:433 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:433)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::dims::h73272abab0be2c31)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_data_ptr
[INFO] [stdout]           >>> referenced by array.rs:525 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:525)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::host::h4a3615922a0a318c)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_elements
[INFO] [stdout]           >>> referenced by array.rs:410 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:410)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::elements::h7c3026fbd9370a2d)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_is_scalar
[INFO] [stdout]           >>> referenced by array.rs:181 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:181)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::is_scalar::hf2bf9d77d9aa1faf)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_convolve2
[INFO] [stdout]           >>> referenced by mod.rs:725 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/signal/mod.rs:725)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::signal::convolve2::hc8b208aed4b739f6)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sum
[INFO] [stdout]           >>> referenced by mod.rs:155 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/algorithm/mod.rs:155)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.2bf5d606c3dd5cf2-cgu.0.rcgu.o:(arrayfire::algorithm::sum::h46d6f3b3fc56fb9a)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_constant
[INFO] [stdout]           >>> referenced by data.rs:242 (src/core/data.rs:242)
[INFO] [stdout]           >>>               arrayfire-76c01f0dd25311fc.arrayfire.7d3cbeb7f59b4377-cgu.0.rcgu.o:(_$LT$f64$u20$as$u20$arrayfire..core..data..ConstGenerator$GT$::generate::h6cac5e1cd3cf3d4a) in archive /opt/rustwide/target/debug/deps/libarrayfire-76c01f0dd25311fc.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_free_host
[INFO] [stdout]           >>> referenced by util.rs:68 (src/core/util.rs:68)
[INFO] [stdout]           >>>               arrayfire-76c01f0dd25311fc.arrayfire.7d3cbeb7f59b4377-cgu.0.rcgu.o:(arrayfire::core::util::free_host::h9554fb14df2dbdeb) in archive /opt/rustwide/target/debug/deps/libarrayfire-76c01f0dd25311fc.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_last_error
[INFO] [stdout]           >>> referenced by error.rs:104 (src/core/error.rs:104)
[INFO] [stdout]           >>>               arrayfire-76c01f0dd25311fc.arrayfire.7d3cbeb7f59b4377-cgu.0.rcgu.o:(arrayfire::core::error::get_last_error::h82f17a1a40d185da) in archive /opt/rustwide/target/debug/deps/libarrayfire-76c01f0dd25311fc.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rail` (lib test) due to 1 previous error; 24 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b297cb5de0ebb7c05ba568fd57d885da187e72166a568cfea2f3db3494d7f196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b297cb5de0ebb7c05ba568fd57d885da187e72166a568cfea2f3db3494d7f196", kill_on_drop: false }`
[INFO] [stdout] b297cb5de0ebb7c05ba568fd57d885da187e72166a568cfea2f3db3494d7f196
