[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 master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hfytr/MachineLearning on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-tc1/source/Cargo.toml [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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63b17baf0ddbe6cca0f1ad126ee4232646c97a80dcdcf8574e4c4f4d3b3e04cc [INFO] running `Command { std: "docker" "start" "-a" "63b17baf0ddbe6cca0f1ad126ee4232646c97a80dcdcf8574e4c4f4d3b3e04cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63b17baf0ddbe6cca0f1ad126ee4232646c97a80dcdcf8574e4c4f4d3b3e04cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63b17baf0ddbe6cca0f1ad126ee4232646c97a80dcdcf8574e4c4f4d3b3e04cc", kill_on_drop: false }` [INFO] [stdout] 63b17baf0ddbe6cca0f1ad126ee4232646c97a80dcdcf8574e4c4f4d3b3e04cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10bc1fd7ba569ce6ca2d19aa2d5b78e1d85c602453952624bdbac094990b6aef [INFO] running `Command { std: "docker" "start" "-a" "10bc1fd7ba569ce6ca2d19aa2d5b78e1d85c602453952624bdbac094990b6aef", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [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: 1 warning emitted [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: 1 warning emitted [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "10bc1fd7ba569ce6ca2d19aa2d5b78e1d85c602453952624bdbac094990b6aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10bc1fd7ba569ce6ca2d19aa2d5b78e1d85c602453952624bdbac094990b6aef", kill_on_drop: false }` [INFO] [stdout] 10bc1fd7ba569ce6ca2d19aa2d5b78e1d85c602453952624bdbac094990b6aef [INFO] checking hfytr/MachineLearning against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [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] validating manifest of git repo https://github.com/hfytr/MachineLearning on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efa736dc3e4892d533e8d576ef7e7019fe01f4a857aff145c6a3f0557495662b [INFO] running `Command { std: "docker" "start" "-a" "efa736dc3e4892d533e8d576ef7e7019fe01f4a857aff145c6a3f0557495662b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efa736dc3e4892d533e8d576ef7e7019fe01f4a857aff145c6a3f0557495662b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efa736dc3e4892d533e8d576ef7e7019fe01f4a857aff145c6a3f0557495662b", kill_on_drop: false }` [INFO] [stdout] efa736dc3e4892d533e8d576ef7e7019fe01f4a857aff145c6a3f0557495662b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7d132d20ec3ca45e44b57fe447241de05ad0aaa86af21baf7588aefabbcca12 [INFO] running `Command { std: "docker" "start" "-a" "b7d132d20ec3ca45e44b57fe447241de05ad0aaa86af21baf7588aefabbcca12", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [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: 1 warning emitted [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: 1 warning emitted [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s [INFO] running `Command { std: "docker" "inspect" "b7d132d20ec3ca45e44b57fe447241de05ad0aaa86af21baf7588aefabbcca12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7d132d20ec3ca45e44b57fe447241de05ad0aaa86af21baf7588aefabbcca12", kill_on_drop: false }` [INFO] [stdout] b7d132d20ec3ca45e44b57fe447241de05ad0aaa86af21baf7588aefabbcca12