[INFO] cloning repository https://github.com/reshane/newton-raphson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reshane/newton-raphson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fnewton-raphson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fnewton-raphson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dae4d4e75448de32c7e68835e966287a93e2823f
[INFO] checking reshane/newton-raphson against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fnewton-raphson" "/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/reshane/newton-raphson
[INFO] finished tweaking git repo https://github.com/reshane/newton-raphson
[INFO] tweaked toml for git repo https://github.com/reshane/newton-raphson written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reshane/newton-raphson on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reshane/newton-raphson 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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a
[INFO] running `Command { std: "docker" "start" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling raylib-sys v3.7.0
[INFO] [stderr]     Checking raylib v3.7.0
[INFO] [stderr]     Checking newton-raphson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `QuadraticFunction` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct QuadraticFunction {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fx` and `fdx` are never used
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl QuadraticFunction {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 11 |     fn fx(&self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn fdx(&self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuadraticFunction` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct QuadraticFunction {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fx` and `fdx` are never used
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl QuadraticFunction {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 11 |     fn fx(&self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn fdx(&self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.82s
[INFO] running `Command { std: "docker" "inspect" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a", kill_on_drop: false }`
[INFO] [stdout] 706086550e3135437584dd2765bd2dbef153159bce77e604f280a5064d65d51a
