[INFO] cloning repository https://github.com/fetttttjoe/Neuronal-Network [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fetttttjoe/Neuronal-Network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7f0b9dc138e0eb25c061b5305929c4aabc0a124 [INFO] building fetttttjoe/Neuronal-Network against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetttttjoe%2FNeuronal-Network" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fetttttjoe/Neuronal-Network on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fetttttjoe/Neuronal-Network [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/fetttttjoe/Neuronal-Network [INFO] tweaked toml for git repo https://github.com/fetttttjoe/Neuronal-Network written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fetttttjoe/Neuronal-Network 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.namer [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a21405753d336b0379ce9dd433cb07871906869a38a305fa85ee7f822f5c405 [INFO] running `Command { std: "docker" "start" "-a" "5a21405753d336b0379ce9dd433cb07871906869a38a305fa85ee7f822f5c405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a21405753d336b0379ce9dd433cb07871906869a38a305fa85ee7f822f5c405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a21405753d336b0379ce9dd433cb07871906869a38a305fa85ee7f822f5c405", kill_on_drop: false }` [INFO] [stdout] 5a21405753d336b0379ce9dd433cb07871906869a38a305fa85ee7f822f5c405 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ccdefcf57ec0e125aeec2ca59632d25ce6d15b25f18b81e2c2a3d3e221c3292 [INFO] running `Command { std: "docker" "start" "-a" "9ccdefcf57ec0e125aeec2ca59632d25ce6d15b25f18b81e2c2a3d3e221c3292", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.namer [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling num-complex v0.4.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `drop` is never used [INFO] [stdout] --> src/matrix.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Mat { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 41 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 42 | let mat1 = Mat::new(2, 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `training_outputs` [INFO] [stdout] --> src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | let training_outputs = Mat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_training_outputs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | let mat = addition(&mat1, &mat2); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | let mut network = Network::new(&[2, 2, 1]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | let mut network_activations = network_activations_vec.as_mut_slice(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_weights`, `get_bias`, `forward`, `rand`, and `drop` are never used [INFO] [stdout] --> src/network.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Network { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn get_weights(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_bias(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn forward(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn rand(&mut self, low: f64, high: f64) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.00s [INFO] running `Command { std: "docker" "inspect" "9ccdefcf57ec0e125aeec2ca59632d25ce6d15b25f18b81e2c2a3d3e221c3292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ccdefcf57ec0e125aeec2ca59632d25ce6d15b25f18b81e2c2a3d3e221c3292", kill_on_drop: false }` [INFO] [stdout] 9ccdefcf57ec0e125aeec2ca59632d25ce6d15b25f18b81e2c2a3d3e221c3292 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de58ae70f8d84639a9f3821aea0cf504ce8804032602dd87b8b80d0f2b264ab9 [INFO] running `Command { std: "docker" "start" "-a" "de58ae70f8d84639a9f3821aea0cf504ce8804032602dd87b8b80d0f2b264ab9", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.namer [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `drop` is never used [INFO] [stdout] --> src/matrix.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Mat { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 41 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 42 | let mat1 = Mat::new(2, 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `training_outputs` [INFO] [stdout] --> src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | let training_outputs = Mat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_training_outputs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | let mat = addition(&mat1, &mat2); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | let mut network = Network::new(&[2, 2, 1]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | let mut network_activations = network_activations_vec.as_mut_slice(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_weights`, `get_bias`, `forward`, `rand`, and `drop` are never used [INFO] [stdout] --> src/network.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Network { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn get_weights(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_bias(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn forward(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn rand(&mut self, low: f64, high: f64) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 41 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 42 | let mat1 = Mat::new(2, 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `training_outputs` [INFO] [stdout] --> src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | let training_outputs = Mat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_training_outputs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mat` [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | let mat = addition(&mat1, &mat2); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | let mut network = Network::new(&[2, 2, 1]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | let mut network_activations = network_activations_vec.as_mut_slice(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `forward`, `print`, `rand`, and `drop` are never used [INFO] [stdout] --> src/tests/../network.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Network { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn forward(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn print(&self, overwrite_padding: Option, overwrite_precision: Option) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn rand(&mut self, low: f64, high: f64) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_weights`, `get_bias`, `forward`, `rand`, and `drop` are never used [INFO] [stdout] --> src/network.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Network { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn get_weights(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_bias(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn forward(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn rand(&mut self, low: f64, high: f64) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tests/network_tests.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | drop(&network); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Network` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 13 - drop(&network); [INFO] [stdout] 13 + let _ = &network; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `drop` is never used [INFO] [stdout] --> src/matrix.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Mat { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | fn drop(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "de58ae70f8d84639a9f3821aea0cf504ce8804032602dd87b8b80d0f2b264ab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de58ae70f8d84639a9f3821aea0cf504ce8804032602dd87b8b80d0f2b264ab9", kill_on_drop: false }` [INFO] [stdout] de58ae70f8d84639a9f3821aea0cf504ce8804032602dd87b8b80d0f2b264ab9