[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] testing shakyShane/async-rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fasync-rust" "/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/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shakyShane/async-rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da8a0ab04159e497d6593e06c79e6c9aef9708c04c4a0721b9ee1e98ea087958
[INFO] running `Command { std: "docker" "start" "-a" "da8a0ab04159e497d6593e06c79e6c9aef9708c04c4a0721b9ee1e98ea087958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da8a0ab04159e497d6593e06c79e6c9aef9708c04c4a0721b9ee1e98ea087958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8a0ab04159e497d6593e06c79e6c9aef9708c04c4a0721b9ee1e98ea087958", kill_on_drop: false }`
[INFO] [stdout] da8a0ab04159e497d6593e06c79e6c9aef9708c04c4a0721b9ee1e98ea087958
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d20dc4cefe78c2950ea574b3f3b861b70b42c59345c87ab9840b6cb9d38c641
[INFO] running `Command { std: "docker" "start" "-a" "8d20dc4cefe78c2950ea574b3f3b861b70b42c59345c87ab9840b6cb9d38c641", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling 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: 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<S> {
[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<Init> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn start(self) -> Timer<Countdown> {
[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<Countdown> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 42 |     /// Run down the timer until time is out.
[INFO] [stdout] 43 |     fn run(self) -> Timer<LastStretch> {
[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<LastStretch> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 70 |     /// Run down the timer until time is out.
[INFO] [stdout] 71 |     fn run(self) -> Timer<Done> {
[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<Done> {
[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 28.19s
[INFO] running `Command { std: "docker" "inspect" "8d20dc4cefe78c2950ea574b3f3b861b70b42c59345c87ab9840b6cb9d38c641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d20dc4cefe78c2950ea574b3f3b861b70b42c59345c87ab9840b6cb9d38c641", kill_on_drop: false }`
[INFO] [stdout] 8d20dc4cefe78c2950ea574b3f3b861b70b42c59345c87ab9840b6cb9d38c641
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e42569f400d559ee6ccb7693d1f2250f7ea950f59fd1f7906733cd27a94a344
[INFO] running `Command { std: "docker" "start" "-a" "4e42569f400d559ee6ccb7693d1f2250f7ea950f59fd1f7906733cd27a94a344", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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<S> {
[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<Init> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn start(self) -> Timer<Countdown> {
[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<Countdown> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 42 |     /// Run down the timer until time is out.
[INFO] [stdout] 43 |     fn run(self) -> Timer<LastStretch> {
[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<LastStretch> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 70 |     /// Run down the timer until time is out.
[INFO] [stdout] 71 |     fn run(self) -> Timer<Done> {
[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<Done> {
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "4e42569f400d559ee6ccb7693d1f2250f7ea950f59fd1f7906733cd27a94a344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e42569f400d559ee6ccb7693d1f2250f7ea950f59fd1f7906733cd27a94a344", kill_on_drop: false }`
[INFO] [stdout] 4e42569f400d559ee6ccb7693d1f2250f7ea950f59fd1f7906733cd27a94a344
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d613ffc375894b6bfd6a61007fd455ed972c2e892fadedc22772bf3660a1d3a7
[INFO] running `Command { std: "docker" "start" "-a" "d613ffc375894b6bfd6a61007fd455ed972c2e892fadedc22772bf3660a1d3a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `RecvError`
[INFO] [stderr]  --> src/channeltimer.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crossbeam::channel::{RecvError, Sender};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Init` is never constructed
[INFO] [stderr]   --> src/channeltimer.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Init;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Countdown` is never constructed
[INFO] [stderr]   --> src/channeltimer.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Countdown;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LastStretch` is never constructed
[INFO] [stderr]   --> src/channeltimer.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct LastStretch;
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Done` is never constructed
[INFO] [stderr]   --> src/channeltimer.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Done;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Timer` is never constructed
[INFO] [stderr]   --> src/channeltimer.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Timer<S> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `start` is never used
[INFO] [stderr]   --> src/channeltimer.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Timer<Init> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn start(self) -> Timer<Countdown> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `run` is never used
[INFO] [stderr]   --> src/channeltimer.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Timer<Countdown> {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] 42 |     /// Run down the timer until time is out.
[INFO] [stderr] 43 |     fn run(self) -> Timer<LastStretch> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `run` is never used
[INFO] [stderr]   --> src/channeltimer.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | impl Timer<LastStretch> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] 70 |     /// Run down the timer until time is out.
[INFO] [stderr] 71 |     fn run(self) -> Timer<Done> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `wait` is never used
[INFO] [stderr]    --> src/channeltimer.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 98  | impl Timer<Done> {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] 99  |     /// Flash warning until program is killed
[INFO] [stderr] 100 |     fn wait(&self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Progress` is never used
[INFO] [stderr]    --> src/channeltimer.rs:105:6
[INFO] [stderr]     |
[INFO] [stderr] 105 | enum Progress {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/channeltimer.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn main()  {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-rust` (bin "async-rust" test) generated 12 warnings (run `cargo fix --bin "async-rust" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_rust-9662b27b5e10fe34)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d613ffc375894b6bfd6a61007fd455ed972c2e892fadedc22772bf3660a1d3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d613ffc375894b6bfd6a61007fd455ed972c2e892fadedc22772bf3660a1d3a7", kill_on_drop: false }`
[INFO] [stdout] d613ffc375894b6bfd6a61007fd455ed972c2e892fadedc22772bf3660a1d3a7