[INFO] cloning repository https://github.com/complexityclass/RustML [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/complexityclass/RustML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da9a88d4d11402107965ee8a65aa02ccc4812ffe [INFO] checking complexityclass/RustML against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/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/complexityclass/RustML on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/complexityclass/RustML [INFO] finished tweaking git repo https://github.com/complexityclass/RustML [INFO] tweaked toml for git repo https://github.com/complexityclass/RustML written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/complexityclass/RustML 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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking complexityclass/RustML against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/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/complexityclass/RustML on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/complexityclass/RustML [INFO] finished tweaking git repo https://github.com/complexityclass/RustML [INFO] tweaked toml for git repo https://github.com/complexityclass/RustML written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/complexityclass/RustML 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking complexityclass/RustML against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/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/complexityclass/RustML on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/complexityclass/RustML [INFO] finished tweaking git repo https://github.com/complexityclass/RustML [INFO] tweaked toml for git repo https://github.com/complexityclass/RustML written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/complexityclass/RustML 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77587d424bfea86737141a67de55540976f29f83d3c82cf9ba83dc3e1258bc83 [INFO] running `Command { std: "docker" "start" "-a" "77587d424bfea86737141a67de55540976f29f83d3c82cf9ba83dc3e1258bc83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77587d424bfea86737141a67de55540976f29f83d3c82cf9ba83dc3e1258bc83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77587d424bfea86737141a67de55540976f29f83d3c82cf9ba83dc3e1258bc83", kill_on_drop: false }` [INFO] [stdout] 77587d424bfea86737141a67de55540976f29f83d3c82cf9ba83dc3e1258bc83 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ac0b3364f8143d96c257663f1eddadbf043b03129d4d4d7e28c9f6bbbfd1c6b [INFO] running `Command { std: "docker" "start" "-a" "6ac0b3364f8143d96c257663f1eddadbf043b03129d4d4d7e28c9f6bbbfd1c6b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking csv v1.2.1 [INFO] [stderr] Checking RustML v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::f64::consts` [INFO] [stdout] --> src/shallow/gradient_descent_single_param.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::f64::consts; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::repeat` [INFO] [stdout] --> src/shallow/gradient_descent_single_param.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::repeat; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/shallow/gradient_descent_single_param.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArrayView2` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{s, Array2, ArrayView2}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::f64::consts` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::f64::consts; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::array` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use ndarray::array; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::f64::consts` [INFO] [stdout] --> src/shallow/gradient_descent_single_param.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::f64::consts; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::repeat` [INFO] [stdout] --> src/shallow/gradient_descent_single_param.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::repeat; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArrayView2` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{s, Array2, ArrayView2}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::f64::consts` [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::f64::consts; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gradient_descent` is never used [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn gradient_descent( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compute_cost` is never used [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn compute_cost( [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compute_gradient` is never used [INFO] [stdout] --> src/shallow/gradient_descent_multi.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn compute_gradient( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RustML` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_ml` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/kaggle/house_pricing.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | predict(w, b); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = predict(w, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RustML` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_ml` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/kaggle/house_pricing.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | predict(w, b); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = predict(w, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "6ac0b3364f8143d96c257663f1eddadbf043b03129d4d4d7e28c9f6bbbfd1c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ac0b3364f8143d96c257663f1eddadbf043b03129d4d4d7e28c9f6bbbfd1c6b", kill_on_drop: false }` [INFO] [stdout] 6ac0b3364f8143d96c257663f1eddadbf043b03129d4d4d7e28c9f6bbbfd1c6b