[INFO] cloning repository https://github.com/STnvc7/GradDescent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/STnvc7/GradDescent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTnvc7%2FGradDescent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTnvc7%2FGradDescent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95586c198fac6b1daf1313d7059af179f6b978b5
[INFO] checking STnvc7/GradDescent against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTnvc7%2FGradDescent" "/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/STnvc7/GradDescent on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/STnvc7/GradDescent
[INFO] finished tweaking git repo https://github.com/STnvc7/GradDescent
[INFO] tweaked toml for git repo https://github.com/STnvc7/GradDescent written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/STnvc7/GradDescent 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8e1df889de423d734a59580b9638be8df80083b2b02541d77aeec364a015eb
[INFO] running `Command { std: "docker" "start" "-a" "6a8e1df889de423d734a59580b9638be8df80083b2b02541d77aeec364a015eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8e1df889de423d734a59580b9638be8df80083b2b02541d77aeec364a015eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8e1df889de423d734a59580b9638be8df80083b2b02541d77aeec364a015eb", kill_on_drop: false }`
[INFO] [stdout] 6a8e1df889de423d734a59580b9638be8df80083b2b02541d77aeec364a015eb
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85a1cbeb0462f54095eee592d2664461b3732e8a39f0f100ede2a8952d2a809
[INFO] running `Command { std: "docker" "start" "-a" "d85a1cbeb0462f54095eee592d2664461b3732e8a39f0f100ede2a8952d2a809", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking wide v0.7.17
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking GradDescent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nabla2`
[INFO] [stdout]   --> src/newton.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let nabla2  = matrix![y1_dx1, y1_dx2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nabla2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nabla2`
[INFO] [stdout]   --> src/newton.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let nabla2  = matrix![y1_dx1, y1_dx2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nabla2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f1_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/main.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f1_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let f1_dx2 = |x1, x2| { - exp(x2) };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f2_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f2_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let f2_dx2 = |x1, x2| { - 3. * pow(x2, 2.) };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f1_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/main.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f1_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let f1_dx2 = |x1, x2| { - exp(x2) };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f2_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f2_dx1 = |x1, x2| { 1. };
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]   --> src/main.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let f2_dx2 = |x1, x2| { - 3. * pow(x2, 2.) };
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "d85a1cbeb0462f54095eee592d2664461b3732e8a39f0f100ede2a8952d2a809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85a1cbeb0462f54095eee592d2664461b3732e8a39f0f100ede2a8952d2a809", kill_on_drop: false }`
[INFO] [stdout] d85a1cbeb0462f54095eee592d2664461b3732e8a39f0f100ede2a8952d2a809
