[INFO] fetching crate puffpastry 0.1.0...
[INFO] checking puffpastry-0.1.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate puffpastry 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate puffpastry 0.1.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate puffpastry 0.1.0
[INFO] finished tweaking crates.io crate puffpastry 0.1.0
[INFO] tweaked toml for crates.io crate puffpastry 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate puffpastry 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d50e9059b25e4b2331f0afcabb7e40127b233204a9f4b8276e27a4298afd6f0
[INFO] running `Command { std: "docker" "start" "-a" "5d50e9059b25e4b2331f0afcabb7e40127b233204a9f4b8276e27a4298afd6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d50e9059b25e4b2331f0afcabb7e40127b233204a9f4b8276e27a4298afd6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d50e9059b25e4b2331f0afcabb7e40127b233204a9f4b8276e27a4298afd6f0", kill_on_drop: false }`
[INFO] [stdout] 5d50e9059b25e4b2331f0afcabb7e40127b233204a9f4b8276e27a4298afd6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3bb54f1d23c184c945b764a83acae240afb3f579219fc471478d8f9b27c7323
[INFO] running `Command { std: "docker" "start" "-a" "d3bb54f1d23c184c945b764a83acae240afb3f579219fc471478d8f9b27c7323", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking puffpastry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Activation`, `Transpose`, and `self`
[INFO] [stdout]  --> src/loss.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_tools::{self, Transpose, ValidNumber},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     Activation, Tensor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::activation::Activation`
[INFO] [stdout]  --> src/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activation::Activation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVec`, `ElementwiseMatrixMultiply`, and `self`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/vec_tools.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec_tools::MatrixMultiply`
[INFO] [stdout]    --> src/activation.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::vec_tools::MatrixMultiply;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Activation`, `Transpose`, and `self`
[INFO] [stdout]  --> src/loss.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_tools::{self, Transpose, ValidNumber},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     Activation, Tensor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::activation::Activation`
[INFO] [stdout]  --> src/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activation::Activation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVec`, `ElementwiseMatrixMultiply`, and `self`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:198:36
[INFO] [stdout]     |
[INFO] [stdout] 198 |         assert!((res - 0.09003057).abs() < 0.001)
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:206:39
[INFO] [stdout]     |
[INFO] [stdout] 206 |         assert!((res[0] - 0.08192506).abs() < 0.001);
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:218:64
[INFO] [stdout]     |
[INFO] [stdout] 218 |             .fold(0.0, |err, (res, expec)| err + (expec - res).abs());
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vec_tools::{Transpose, ValidNumber};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/model.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MatrixMultiply`
[INFO] [stdout]  --> src/model.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/layer.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stride: (usize, usize),
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vec_tools::{Transpose, ValidNumber};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MatrixMultiply`
[INFO] [stdout]  --> src/model.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/model.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/layer.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stride: (usize, usize),
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StringRecord`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use csv::{Reader, StringRecord};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{self, Rng};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Activation`, `Transpose`, and `self`
[INFO] [stdout]  --> src/loss.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_tools::{self, Transpose, ValidNumber},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     Activation, Tensor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::activation::Activation`
[INFO] [stdout]  --> src/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activation::Activation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVec`, `ElementwiseMatrixMultiply`, and `self`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/vec_tools.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StringRecord`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use csv::{Reader, StringRecord};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{self, Rng};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec_tools::MatrixMultiply`
[INFO] [stdout]    --> src/activation.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::vec_tools::MatrixMultiply;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Activation`, `Transpose`, and `self`
[INFO] [stdout]  --> src/loss.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_tools::{self, Transpose, ValidNumber},
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     Activation, Tensor,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::activation::Activation`
[INFO] [stdout]  --> src/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activation::Activation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddVec`, `ElementwiseMatrixMultiply`, and `self`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/vec_tools.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let res = mat1.matrix_multiply(&mat2);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `truth`
[INFO] [stdout]    --> src/vec_tools.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let truth = vec![vec![14.0], vec![32.0], vec![50.0]];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_truth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0689`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `puffpastry` (lib test) due to 3 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:198:36
[INFO] [stdout]     |
[INFO] [stdout] 198 |         assert!((res - 0.09003057).abs() < 0.001)
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:206:39
[INFO] [stdout]     |
[INFO] [stdout] 206 |         assert!((res[0] - 0.08192506).abs() < 0.001);
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> src/activation.rs:218:64
[INFO] [stdout]     |
[INFO] [stdout] 218 |             .fold(0.0, |err, (res, expec)| err + (expec - res).abs());
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vec_tools::{Transpose, ValidNumber};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/model.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MatrixMultiply`
[INFO] [stdout]  --> src/model.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/layer.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stride: (usize, usize),
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vec_tools::{Transpose, ValidNumber};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MatrixMultiply`
[INFO] [stdout]  --> src/model.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transpose`
[INFO] [stdout]  --> src/model.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self, AddVec, ElementwiseMatrixMultiply, MatrixMultiply, Transpose, ValidNumber,
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Sigmoid`, and `Relu` are never constructed
[INFO] [stdout]  --> src/activation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Activation {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 6 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     Sigmoid,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     Relu,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `activate_num` is never used
[INFO] [stdout]    --> src/activation.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Activation {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn activate_num<T: ValidNumber<T>>(&self, num: T) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_weights_biases` is never used
[INFO] [stdout]   --> src/layer.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: ValidNumber<T>> Dense<T> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn from_weights_biases(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_size` is never used
[INFO] [stdout]    --> src/layer.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl<T: ValidNumber<T>> Conv2d<T> {
[INFO] [stdout]     | --------------------------------- associated function in this implementation
[INFO] [stdout] 101 |     pub fn from_size(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MeanSquaredError` is never constructed
[INFO] [stdout]  --> src/loss.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Loss {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 8 |     MeanSquaredError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Loss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: ValidNumber<T>> Model<T> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(loss: Loss) -> Model<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]   --> src/tensor.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: ValidNumber<T>> Tensor<T> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn get_mut(&mut self, loc: &[usize]) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `row_count` and `col_count` are never used
[INFO] [stdout]    --> src/tensor.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 204 | impl<T: ValidNumber<T>> Tensor<T> {
[INFO] [stdout]     | --------------------------------- methods in this implementation
[INFO] [stdout] 205 |     pub fn row_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     pub fn col_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_vec` is never used
[INFO] [stdout]   --> src/vec_tools.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait AddVec<T> {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 31 |     fn add_vec(&self, other: &Vec<T>) -> Vec<T>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `elementwise_multiply` is never used
[INFO] [stdout]   --> src/vec_tools.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait ElementwiseMatrixMultiply<T> {
[INFO] [stdout]    |           ------------------------- method in this trait
[INFO] [stdout] 44 |     fn elementwise_multiply(&self, other: &Vec<Vec<T>>) -> Vec<Vec<T>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `matrix_multiply` is never used
[INFO] [stdout]   --> src/vec_tools.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub trait MatrixMultiply<T> {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 92 |     fn matrix_multiply(&self, other: &Vec<Vec<T>>) -> Vec<Vec<T>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 write!(f, "{} ", elem);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             writeln!(f);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/layer.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         stride: (usize, usize),
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/vec_tools.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let res = mat1.matrix_multiply(&mat2);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `truth`
[INFO] [stdout]    --> src/vec_tools.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let truth = vec![vec![14.0], vec![32.0], vec![50.0]];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_truth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0689`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `puffpastry` (bin "puffpastry" test) due to 3 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d3bb54f1d23c184c945b764a83acae240afb3f579219fc471478d8f9b27c7323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bb54f1d23c184c945b764a83acae240afb3f579219fc471478d8f9b27c7323", kill_on_drop: false }`
[INFO] [stdout] d3bb54f1d23c184c945b764a83acae240afb3f579219fc471478d8f9b27c7323
