[INFO] fetching crate rail 0.3.1...
[INFO] testing rail-0.3.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rail 0.3.1 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rail 0.3.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733b4c359d463dbed0779b9f1250c52c64f6f8c015378501874ba22a6e45ab70
[INFO] running `Command { std: "docker" "start" "-a" "733b4c359d463dbed0779b9f1250c52c64f6f8c015378501874ba22a6e45ab70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733b4c359d463dbed0779b9f1250c52c64f6f8c015378501874ba22a6e45ab70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733b4c359d463dbed0779b9f1250c52c64f6f8c015378501874ba22a6e45ab70", kill_on_drop: false }`
[INFO] [stdout] 733b4c359d463dbed0779b9f1250c52c64f6f8c015378501874ba22a6e45ab70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cffb877970767cb6094e7a2bc49bc9317f90ed679781304c64d92739a29fb6ab
[INFO] running `Command { std: "docker" "start" "-a" "cffb877970767cb6094e7a2bc49bc9317f90ed679781304c64d92739a29fb6ab", kill_on_drop: false }`
[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-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[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_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac 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 13.25s
[INFO] running `Command { std: "docker" "inspect" "cffb877970767cb6094e7a2bc49bc9317f90ed679781304c64d92739a29fb6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffb877970767cb6094e7a2bc49bc9317f90ed679781304c64d92739a29fb6ab", kill_on_drop: false }`
[INFO] [stdout] cffb877970767cb6094e7a2bc49bc9317f90ed679781304c64d92739a29fb6ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8ee86530f3e38be77cc22d161f89ef6626a2e0f9db466c84a614860f1192f17
[INFO] running `Command { std: "docker" "start" "-a" "f8ee86530f3e38be77cc22d161f89ef6626a2e0f9db466c84a614860f1192f17", 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] [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]    Compiling rail v0.3.1 (/opt/rustwide/workdir)
[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/rustcqe2XfT/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/rustcqe2XfT/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.b6b34ee404d4d99f-cgu.0.rcgu.o:(_$LT$arrayfire..core..array..Array$LT$T$GT$$u20$as$u20$core..clone..Clone$GT$::clone::hc66f5faa9be3683f)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_release_array
[INFO] [stdout]           >>> referenced by array.rs:710 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:710)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(_$LT$arrayfire..core..array..Array$LT$T$GT$$u20$as$u20$core..ops..drop..Drop$GT$::drop::h2c586aada605d34f)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::statistics::mean::hd50d873b46c0d4fa)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::data::tile::hd626226343015054)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::arith::div_helper::h5ec211807a9ccda3)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::arith::mul_helper::hf657a0550034fff9)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::arith::sub_helper::hed82694868afe26f)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::arith::exp::hb36e57badfbdfafd)
[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.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::new::h59ed18f171f3df51)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_dims
[INFO] [stdout]           >>> referenced by array.rs:433 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:433)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::dims::h5513f2ecab412595)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_data_ptr
[INFO] [stdout]           >>> referenced by array.rs:525 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:525)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::host::h9124ad2e60201ab1)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_elements
[INFO] [stdout]           >>> referenced by array.rs:410 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:410)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::elements::h5967bec6c3de24ba)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_is_scalar
[INFO] [stdout]           >>> referenced by array.rs:181 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:181)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::core::array::Array$LT$T$GT$::is_scalar::hfa49d42b70ce7f74)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_convolve2
[INFO] [stdout]           >>> referenced by mod.rs:725 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/signal/mod.rs:725)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::signal::convolve2::hbb6949f9598cf91c)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sum
[INFO] [stdout]           >>> referenced by mod.rs:155 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/algorithm/mod.rs:155)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rail-3a9bbc4e4a94d1a2.rail.b6b34ee404d4d99f-cgu.0.rcgu.o:(arrayfire::algorithm::sum::h47ed35287824520a)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_constant
[INFO] [stdout]           >>> referenced by data.rs:242 (src/core/data.rs:242)
[INFO] [stdout]           >>>               arrayfire-76c01f0dd25311fc.arrayfire.97e5e125c0d17e32-cgu.0.rcgu.o:(_$LT$f64$u20$as$u20$arrayfire..core..data..ConstGenerator$GT$::generate::h27464072c64564a9) 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.97e5e125c0d17e32-cgu.0.rcgu.o:(arrayfire::core::util::free_host::hdebb642da2786422) 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.97e5e125c0d17e32-cgu.0.rcgu.o:(arrayfire::core::error::get_last_error::h010178f11dade467) 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" "f8ee86530f3e38be77cc22d161f89ef6626a2e0f9db466c84a614860f1192f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ee86530f3e38be77cc22d161f89ef6626a2e0f9db466c84a614860f1192f17", kill_on_drop: false }`
[INFO] [stdout] f8ee86530f3e38be77cc22d161f89ef6626a2e0f9db466c84a614860f1192f17
