[INFO] cloning repository https://github.com/dancixx/async-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dancixx/async-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancixx%2Fasync-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancixx%2Fasync-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88eb2dfef027745c15182ac61bf63c73609fa6f1 [INFO] checking dancixx/async-rs against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdancixx%2Fasync-rs" "/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/dancixx/async-rs [INFO] finished tweaking git repo https://github.com/dancixx/async-rs [INFO] tweaked toml for git repo https://github.com/dancixx/async-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dancixx/async-rs on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dancixx/async-rs 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff95c719919614140428b6db36fbfb90ff7fe775cf47a314fad1f4d092fc1a94 [INFO] running `Command { std: "docker" "start" "-a" "ff95c719919614140428b6db36fbfb90ff7fe775cf47a314fad1f4d092fc1a94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff95c719919614140428b6db36fbfb90ff7fe775cf47a314fad1f4d092fc1a94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff95c719919614140428b6db36fbfb90ff7fe775cf47a314fad1f4d092fc1a94", kill_on_drop: false }` [INFO] [stdout] ff95c719919614140428b6db36fbfb90ff7fe775cf47a314fad1f4d092fc1a94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38fe1681f658179778177ddd06dedb51883d9a99cf1f57310da2b392a9433f33 [INFO] running `Command { std: "docker" "start" "-a" "38fe1681f658179778177ddd06dedb51883d9a99cf1f57310da2b392a9433f33", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking async-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `future` is never read [INFO] [stdout] --> src/lib.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 81 | struct Task { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 82 | /// The future associated with the task. [INFO] [stdout] 83 | future: Mutex + Send + 'static>>>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `poll` are never used [INFO] [stdout] --> src/lib.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 88 | impl Task { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 95 | fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn poll(self: Arc) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ready_queue` is never read [INFO] [stdout] --> src/lib.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 129 | pub struct Executor { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 130 | /// Receiver side of the task queue channel. [INFO] [stdout] 131 | ready_queue: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `task_sender` is never read [INFO] [stdout] --> src/lib.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 136 | pub struct Spawner { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 137 | /// Sender side of the task queue channel. [INFO] [stdout] 138 | task_sender: SyncSender>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Spawner` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `spawn` is never used [INFO] [stdout] --> src/lib.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 152 | impl Spawner { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 158 | fn spawn(&self, future: impl Future + 'static + Send) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/lib.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 164 | impl Executor { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 165 | /// Runs the executor until all tasks are completed. [INFO] [stdout] 166 | fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s [INFO] running `Command { std: "docker" "inspect" "38fe1681f658179778177ddd06dedb51883d9a99cf1f57310da2b392a9433f33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38fe1681f658179778177ddd06dedb51883d9a99cf1f57310da2b392a9433f33", kill_on_drop: false }` [INFO] [stdout] 38fe1681f658179778177ddd06dedb51883d9a99cf1f57310da2b392a9433f33