[INFO] cloning repository https://github.com/kinire98/kappa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kinire98/kappa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinire98%2Fkappa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinire98%2Fkappa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f928b92247746187464ae7faa304445cad0f3ae7
[INFO] checking kinire98/kappa against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinire98%2Fkappa" "/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/kinire98/kappa on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kinire98/kappa
[INFO] finished tweaking git repo https://github.com/kinire98/kappa
[INFO] tweaked toml for git repo https://github.com/kinire98/kappa written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kinire98/kappa 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96886fddd28b6bcee6c315426a765da50698a5576762f859629ec3439ee2a7c8
[INFO] running `Command { std: "docker" "start" "-a" "96886fddd28b6bcee6c315426a765da50698a5576762f859629ec3439ee2a7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96886fddd28b6bcee6c315426a765da50698a5576762f859629ec3439ee2a7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96886fddd28b6bcee6c315426a765da50698a5576762f859629ec3439ee2a7c8", kill_on_drop: false }`
[INFO] [stdout] 96886fddd28b6bcee6c315426a765da50698a5576762f859629ec3439ee2a7c8
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b528f0ef0c1fc50dfd8c8a484fed5daf2822c6d346349141055ecc069ea754
[INFO] running `Command { std: "docker" "start" "-a" "65b528f0ef0c1fc50dfd8c8a484fed5daf2822c6d346349141055ecc069ea754", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Checking kappa v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_up` is never used
[INFO] [stdout]   --> src/pool/worker/mod.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Worker {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn is_up(&self) -> Result<bool, ()> {
[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: fields `sender` and `status` are never read
[INFO] [stdout]  --> src/pool/worker/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Worker {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 3 |     sender: Sender<Box<dyn FnOnce() + 'static + Send>>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     status: Receiver<Result<bool, ()>>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_free`, `is_up`, and `execute` are never used
[INFO] [stdout]   --> src/pool/worker/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Worker {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn is_free(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn is_up(&self) -> Result<bool, ()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn execute<F>(&self, process: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "65b528f0ef0c1fc50dfd8c8a484fed5daf2822c6d346349141055ecc069ea754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b528f0ef0c1fc50dfd8c8a484fed5daf2822c6d346349141055ecc069ea754", kill_on_drop: false }`
[INFO] [stdout] 65b528f0ef0c1fc50dfd8c8a484fed5daf2822c6d346349141055ecc069ea754