[INFO] cloning repository https://github.com/Leoname3000/nelder-mead-method
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leoname3000/nelder-mead-method" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoname3000%2Fnelder-mead-method", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoname3000%2Fnelder-mead-method'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2736101c75cb36b873c37e20490063e4a6590f
[INFO] checking Leoname3000/nelder-mead-method against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoname3000%2Fnelder-mead-method" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Leoname3000/nelder-mead-method
[INFO] finished tweaking git repo https://github.com/Leoname3000/nelder-mead-method
[INFO] tweaked toml for git repo https://github.com/Leoname3000/nelder-mead-method written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Leoname3000/nelder-mead-method on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Leoname3000/nelder-mead-method 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff
[INFO] running `Command { std: "docker" "start" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff", 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" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff", 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" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking nelder-mead-method v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Function` is never used
[INFO] [stdout]  --> src/function.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Function {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RosenbrockFunction` is never constructed
[INFO] [stdout]  --> src/rosenbrock_function.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RosenbrockFunction;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Function` is never used
[INFO] [stdout]  --> src/function.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Function {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RosenbrockFunction` is never constructed
[INFO] [stdout]  --> src/rosenbrock_function.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RosenbrockFunction;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff", kill_on_drop: false }`
[INFO] [stdout] 8c211cf61736df65b32a94ce155866cdf00103fc57fb1d24852feb7216c1dcff
