[INFO] cloning repository https://github.com/hfytr/MachineLearning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hfytr/MachineLearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 686c2901f804cdeee79deb2e22c5bf0ace8c890c [INFO] checking hfytr/MachineLearning against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hfytr/MachineLearning [INFO] finished tweaking git repo https://github.com/hfytr/MachineLearning [INFO] tweaked toml for git repo https://github.com/hfytr/MachineLearning written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hfytr/MachineLearning on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hfytr/MachineLearning 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e976ee8e6dc2b8d311a133158d4ca327b972a18c1e9352d0eee6b5a8e55a170b [INFO] running `Command { std: "docker" "start" "-a" "e976ee8e6dc2b8d311a133158d4ca327b972a18c1e9352d0eee6b5a8e55a170b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e976ee8e6dc2b8d311a133158d4ca327b972a18c1e9352d0eee6b5a8e55a170b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e976ee8e6dc2b8d311a133158d4ca327b972a18c1e9352d0eee6b5a8e55a170b", kill_on_drop: false }` [INFO] [stdout] e976ee8e6dc2b8d311a133158d4ca327b972a18c1e9352d0eee6b5a8e55a170b [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0de18576806826da06397bfbd00ebe4af417a87cdcdc68f4a5b6fba34267b11 [INFO] running `Command { std: "docker" "start" "-a" "e0de18576806826da06397bfbd00ebe4af417a87cdcdc68f4a5b6fba34267b11", kill_on_drop: false }` [INFO] [stderr] Checking getrandom v0.2.12 [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 ml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used [INFO] [stdout] --> src/data.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Dataset { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | fn integer_encode(&mut self, col: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn unique_values(&self, col_name: &str, accuracy: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn string_with_accuracy(x: f64, accuracy: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algebra/matrix.rs:118:22 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn slice_row(&self, i: usize) -> MatSlice { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 118 | pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algebra/matrix.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn to_slice(&self) -> MatSlice { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 122 | pub fn to_slice(&self) -> MatSlice<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used [INFO] [stdout] --> src/data.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Dataset { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | fn integer_encode(&mut self, col: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn unique_values(&self, col_name: &str, accuracy: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn string_with_accuracy(x: f64, accuracy: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algebra/matrix.rs:118:22 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn slice_row(&self, i: usize) -> MatSlice { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 118 | pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algebra/matrix.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn to_slice(&self) -> MatSlice { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 122 | pub fn to_slice(&self) -> MatSlice<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `print_mat` [INFO] [stdout] --> tests/feedforward.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use ml::algebra::{print_mat, Matrix}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `Command { std: "docker" "inspect" "e0de18576806826da06397bfbd00ebe4af417a87cdcdc68f4a5b6fba34267b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0de18576806826da06397bfbd00ebe4af417a87cdcdc68f4a5b6fba34267b11", kill_on_drop: false }` [INFO] [stdout] e0de18576806826da06397bfbd00ebe4af417a87cdcdc68f4a5b6fba34267b11