[INFO] cloning repository https://github.com/ayush-suman/knn_classifier [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayush-suman/knn_classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayush-suman%2Fknn_classifier", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayush-suman%2Fknn_classifier'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f68599b066817f9bbc07941974e5539df1bd260e [INFO] checking ayush-suman/knn_classifier against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayush-suman%2Fknn_classifier" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ayush-suman/knn_classifier on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ayush-suman/knn_classifier [INFO] finished tweaking git repo https://github.com/ayush-suman/knn_classifier [INFO] tweaked toml for git repo https://github.com/ayush-suman/knn_classifier written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ayush-suman/knn_classifier 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c52cc104023abadaebe36cc2b15fa95e991eda8fa0784bc7421e39536dc787c [INFO] running `Command { std: "docker" "start" "-a" "0c52cc104023abadaebe36cc2b15fa95e991eda8fa0784bc7421e39536dc787c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c52cc104023abadaebe36cc2b15fa95e991eda8fa0784bc7421e39536dc787c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c52cc104023abadaebe36cc2b15fa95e991eda8fa0784bc7421e39536dc787c", kill_on_drop: false }` [INFO] [stdout] 0c52cc104023abadaebe36cc2b15fa95e991eda8fa0784bc7421e39536dc787c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4a4f2f16fade1a990dc75faebf1f78f88c2a8e0b47dc65c74b6fe6e21060ff7 [INFO] running `Command { std: "docker" "start" "-a" "a4a4f2f16fade1a990dc75faebf1f78f88c2a8e0b47dc65c74b6fe6e21060ff7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking knn_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DATA_SIZE` [INFO] [stdout] --> src/utils.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::constants::{DATA_SIZE, IMAGE_SIZE}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DATA_SIZE` [INFO] [stdout] --> src/utils.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::constants::{DATA_SIZE, IMAGE_SIZE}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | for i in 0..min(len, size) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | for i in 0..min(len, size) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DATA_SIZE` is never used [INFO] [stdout] --> src/constants.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub (crate) const DATA_SIZE: usize = 10000; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DATA_SIZE` is never used [INFO] [stdout] --> src/constants.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub (crate) const DATA_SIZE: usize = 10000; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CLASSES` is never used [INFO] [stdout] --> src/constants.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | pub (crate) const CLASSES: [&str; 10] = [ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/classifier.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Classifier { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 2 | fn learn(&mut self, data: D, label: L); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CLASSES` is never used [INFO] [stdout] --> src/constants.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | pub (crate) const CLASSES: [&str; 10] = [ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/classifier.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Classifier { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 2 | fn learn(&mut self, data: D, label: L); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] running `Command { std: "docker" "inspect" "a4a4f2f16fade1a990dc75faebf1f78f88c2a8e0b47dc65c74b6fe6e21060ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4a4f2f16fade1a990dc75faebf1f78f88c2a8e0b47dc65c74b6fe6e21060ff7", kill_on_drop: false }` [INFO] [stdout] a4a4f2f16fade1a990dc75faebf1f78f88c2a8e0b47dc65c74b6fe6e21060ff7 [INFO] checking ayush-suman/knn_classifier against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayush-suman%2Fknn_classifier" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ayush-suman/knn_classifier on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ayush-suman/knn_classifier [INFO] finished tweaking git repo https://github.com/ayush-suman/knn_classifier [INFO] tweaked toml for git repo https://github.com/ayush-suman/knn_classifier written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ayush-suman/knn_classifier 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf349d3573ee82b6cb32b7024294b11054e78ef0e0cdfd979ab854c787abeb5f [INFO] running `Command { std: "docker" "start" "-a" "bf349d3573ee82b6cb32b7024294b11054e78ef0e0cdfd979ab854c787abeb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf349d3573ee82b6cb32b7024294b11054e78ef0e0cdfd979ab854c787abeb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf349d3573ee82b6cb32b7024294b11054e78ef0e0cdfd979ab854c787abeb5f", kill_on_drop: false }` [INFO] [stdout] bf349d3573ee82b6cb32b7024294b11054e78ef0e0cdfd979ab854c787abeb5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 896f4654bdfec0b6d9e3d31608887fb3f97d8c45181eb8cc9a4f5578a3680dbb [INFO] running `Command { std: "docker" "start" "-a" "896f4654bdfec0b6d9e3d31608887fb3f97d8c45181eb8cc9a4f5578a3680dbb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking knn_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DATA_SIZE` [INFO] [stdout] --> src/utils.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::constants::{DATA_SIZE, IMAGE_SIZE}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DATA_SIZE` [INFO] [stdout] --> src/utils.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::constants::{DATA_SIZE, IMAGE_SIZE}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | for i in 0..min(len, size) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | for i in 0..min(len, size) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DATA_SIZE` is never used [INFO] [stdout] --> src/constants.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub (crate) const DATA_SIZE: usize = 10000; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CLASSES` is never used [INFO] [stdout] --> src/constants.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | pub (crate) const CLASSES: [&str; 10] = [ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/classifier.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Classifier { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 2 | fn learn(&mut self, data: D, label: L); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DATA_SIZE` is never used [INFO] [stdout] --> src/constants.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub (crate) const DATA_SIZE: usize = 10000; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CLASSES` is never used [INFO] [stdout] --> src/constants.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | pub (crate) const CLASSES: [&str; 10] = [ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/classifier.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Classifier { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 2 | fn learn(&mut self, data: D, label: L); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.67s [INFO] running `Command { std: "docker" "inspect" "896f4654bdfec0b6d9e3d31608887fb3f97d8c45181eb8cc9a4f5578a3680dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "896f4654bdfec0b6d9e3d31608887fb3f97d8c45181eb8cc9a4f5578a3680dbb", kill_on_drop: false }` [INFO] [stdout] 896f4654bdfec0b6d9e3d31608887fb3f97d8c45181eb8cc9a4f5578a3680dbb