[INFO] cloning repository https://github.com/shakyShane/async-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fasync-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fasync-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 39ab20969f3b5a9a0c8d5ada730e79e2cc22e3cd [INFO] checking shakyShane/async-rust against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fasync-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/shakyShane/async-rust [INFO] finished tweaking git repo https://github.com/shakyShane/async-rust [INFO] tweaked toml for git repo https://github.com/shakyShane/async-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/shakyShane/async-rust on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/shakyShane/async-rust 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e38187728af568de0b0937efd759a6d0fed608ac69facfa17f4c24605c72b7e1 [INFO] running `Command { std: "docker" "start" "-a" "e38187728af568de0b0937efd759a6d0fed608ac69facfa17f4c24605c72b7e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e38187728af568de0b0937efd759a6d0fed608ac69facfa17f4c24605c72b7e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e38187728af568de0b0937efd759a6d0fed608ac69facfa17f4c24605c72b7e1", kill_on_drop: false }` [INFO] [stdout] e38187728af568de0b0937efd759a6d0fed608ac69facfa17f4c24605c72b7e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b15b821b8f1d78e37f1214dda4c6faa5e12af220b02301a75dbb85ce4132bcac [INFO] running `Command { std: "docker" "start" "-a" "b15b821b8f1d78e37f1214dda4c6faa5e12af220b02301a75dbb85ce4132bcac", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking async-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `RecvError` [INFO] [stdout] --> src/channeltimer.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam::channel::{RecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RecvError` [INFO] [stdout] --> src/channeltimer.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam::channel::{RecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Init` is never constructed [INFO] [stdout] --> src/channeltimer.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Init; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Countdown` is never constructed [INFO] [stdout] --> src/channeltimer.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Countdown; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LastStretch` is never constructed [INFO] [stdout] --> src/channeltimer.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct LastStretch; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Done` is never constructed [INFO] [stdout] --> src/channeltimer.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Done; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Timer` is never constructed [INFO] [stdout] --> src/channeltimer.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `start` is never used [INFO] [stdout] --> src/channeltimer.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Timer { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn start(self) -> Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/channeltimer.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 41 | impl Timer { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] 42 | /// Run down the timer until time is out. [INFO] [stdout] 43 | fn run(self) -> Timer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/channeltimer.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 69 | impl Timer { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] 70 | /// Run down the timer until time is out. [INFO] [stdout] 71 | fn run(self) -> Timer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wait` is never used [INFO] [stdout] --> src/channeltimer.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 98 | impl Timer { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 99 | /// Flash warning until program is killed [INFO] [stdout] 100 | fn wait(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Progress` is never used [INFO] [stdout] --> src/channeltimer.rs:105:6 [INFO] [stdout] | [INFO] [stdout] 105 | enum Progress { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/channeltimer.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Init` is never constructed [INFO] [stdout] --> src/channeltimer.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Init; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Countdown` is never constructed [INFO] [stdout] --> src/channeltimer.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Countdown; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LastStretch` is never constructed [INFO] [stdout] --> src/channeltimer.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct LastStretch; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Done` is never constructed [INFO] [stdout] --> src/channeltimer.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Done; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Timer` is never constructed [INFO] [stdout] --> src/channeltimer.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `start` is never used [INFO] [stdout] --> src/channeltimer.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Timer { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn start(self) -> Timer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/channeltimer.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 41 | impl Timer { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] 42 | /// Run down the timer until time is out. [INFO] [stdout] 43 | fn run(self) -> Timer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/channeltimer.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 69 | impl Timer { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] 70 | /// Run down the timer until time is out. [INFO] [stdout] 71 | fn run(self) -> Timer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wait` is never used [INFO] [stdout] --> src/channeltimer.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 98 | impl Timer { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 99 | /// Flash warning until program is killed [INFO] [stdout] 100 | fn wait(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Progress` is never used [INFO] [stdout] --> src/channeltimer.rs:105:6 [INFO] [stdout] | [INFO] [stdout] 105 | enum Progress { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/channeltimer.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s [INFO] running `Command { std: "docker" "inspect" "b15b821b8f1d78e37f1214dda4c6faa5e12af220b02301a75dbb85ce4132bcac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b15b821b8f1d78e37f1214dda4c6faa5e12af220b02301a75dbb85ce4132bcac", kill_on_drop: false }` [INFO] [stdout] b15b821b8f1d78e37f1214dda4c6faa5e12af220b02301a75dbb85ce4132bcac