[INFO] cloning repository https://github.com/LENAX/decoupled_components
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LENAX/decoupled_components" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLENAX%2Fdecoupled_components", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLENAX%2Fdecoupled_components'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7905338b8878836cc92b0cb211ad7408b909f89c
[INFO] checking LENAX/decoupled_components/7905338b8878836cc92b0cb211ad7408b909f89c against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLENAX%2Fdecoupled_components" "/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/LENAX/decoupled_components on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LENAX/decoupled_components
[INFO] finished tweaking git repo https://github.com/LENAX/decoupled_components
[INFO] tweaked toml for git repo https://github.com/LENAX/decoupled_components written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LENAX/decoupled_components 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db4e5a5a92b35a4b97319cffd255f4584953017710ac238d1628e3c2b7aa992e
[INFO] running `Command { std: "docker" "start" "-a" "db4e5a5a92b35a4b97319cffd255f4584953017710ac238d1628e3c2b7aa992e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db4e5a5a92b35a4b97319cffd255f4584953017710ac238d1628e3c2b7aa992e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4e5a5a92b35a4b97319cffd255f4584953017710ac238d1628e3c2b7aa992e", kill_on_drop: false }`
[INFO] [stdout] db4e5a5a92b35a4b97319cffd255f4584953017710ac238d1628e3c2b7aa992e
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068304a8539cbaddf762219e9aef68454584ea4eccf35d84c0b45111558597a0
[INFO] running `Command { std: "docker" "start" "-a" "068304a8539cbaddf762219e9aef68454584ea4eccf35d84c0b45111558597a0", kill_on_drop: false }`
[INFO] [stderr]     Checking decoupled_components v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `describe` is never used
[INFO] [stdout]    --> src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | trait Queue {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn describe(&self);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate_limiter` and `task_receiver` are never read
[INFO] [stdout]    --> src/main.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct TaskQueueA<RL: RateLimiter, TR: TaskReceiver> {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 186 |     queue: Vec<Task>,
[INFO] [stdout] 187 |     rate_limiter: RL,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 188 |     task_receiver: TR
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate_limiter` and `task_receiver` are never read
[INFO] [stdout]    --> src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct TaskQueueB<RL: RateLimiter, TR: TaskReceiver> {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 205 |     queue: Vec<Task>,
[INFO] [stdout] 206 |     rate_limiter: RL,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 207 |     task_receiver: TR
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `describe` is never used
[INFO] [stdout]    --> src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | trait Queue {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn describe(&self);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate_limiter` and `task_receiver` are never read
[INFO] [stdout]    --> src/main.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct TaskQueueA<RL: RateLimiter, TR: TaskReceiver> {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 186 |     queue: Vec<Task>,
[INFO] [stdout] 187 |     rate_limiter: RL,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 188 |     task_receiver: TR
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate_limiter` and `task_receiver` are never read
[INFO] [stdout]    --> src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct TaskQueueB<RL: RateLimiter, TR: TaskReceiver> {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 205 |     queue: Vec<Task>,
[INFO] [stdout] 206 |     rate_limiter: RL,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 207 |     task_receiver: TR
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "068304a8539cbaddf762219e9aef68454584ea4eccf35d84c0b45111558597a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068304a8539cbaddf762219e9aef68454584ea4eccf35d84c0b45111558597a0", kill_on_drop: false }`
[INFO] [stdout] 068304a8539cbaddf762219e9aef68454584ea4eccf35d84c0b45111558597a0