[INFO] cloning repository https://github.com/mingmamma/rust-web-servers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingmamma/rust-web-servers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Frust-web-servers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Frust-web-servers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dd20aea37c13b76a3502086e7b4410ab31959bd
[INFO] checking mingmamma/rust-web-servers against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Frust-web-servers" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingmamma/rust-web-servers on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingmamma/rust-web-servers
[INFO] finished tweaking git repo https://github.com/mingmamma/rust-web-servers
[INFO] tweaked toml for git repo https://github.com/mingmamma/rust-web-servers written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mingmamma/rust-web-servers 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c38b0948fcc31d26ac43eaa86a6b41fb4e157df744dd8b55c8c0fb51042a8246
[INFO] running `Command { std: "docker" "start" "-a" "c38b0948fcc31d26ac43eaa86a6b41fb4e157df744dd8b55c8c0fb51042a8246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38b0948fcc31d26ac43eaa86a6b41fb4e157df744dd8b55c8c0fb51042a8246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38b0948fcc31d26ac43eaa86a6b41fb4e157df744dd8b55c8c0fb51042a8246", kill_on_drop: false }`
[INFO] [stdout] c38b0948fcc31d26ac43eaa86a6b41fb4e157df744dd8b55c8c0fb51042a8246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df674fb7e82ba7c23faac80ad0e3d17bf08085264ab4db34cd2266d0eb34632
[INFO] running `Command { std: "docker" "start" "-a" "1df674fb7e82ba7c23faac80ad0e3d17bf08085264ab4db34cd2266d0eb34632", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking epoll v4.3.3
[INFO] [stderr]     Checking rust-web-servers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]    --> src/async-future.rs:209:28
[INFO] [stdout]     |
[INFO] [stdout] 209 |             while let Some(task) = self.runnable_tasks.lock().unwrap().pop_front() {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `response` and `bytes_written` are never read
[INFO] [stdout]    --> src/async-future.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Writing {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 119 |         response: &'static [u8],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 120 |         bytes_written: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll` is never used
[INFO] [stdout]    --> src/async-future.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub trait Future {
[INFO] [stdout]     |               ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 137 |         fn poll(&mut self, waker: Waker) -> Option<Self::Output>;
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wake_fn` is never read
[INFO] [stdout]    --> src/async-future.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub struct Waker {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 141 |         wake_fn: Box<dyn Fn()>
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wake` is never used
[INFO] [stdout]    --> src/async-future.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     impl Waker {
[INFO] [stdout]     |     ---------- method in this implementation
[INFO] [stdout] 145 |         fn wake(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove` and `wait` are never used
[INFO] [stdout]    --> src/async-future.rs:173:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |     impl Reactor {
[INFO] [stdout]     |     ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 173 |         pub fn remove(&self, fd: RawFd) {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |         pub fn wait(&self) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]    --> src/async-future.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     struct Executor {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spawn` is never used
[INFO] [stdout]    --> src/async-future.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     impl Executor {
[INFO] [stdout]     |     ------------- method in this implementation
[INFO] [stdout] 230 |         fn spawn(&mut self, task: impl Future<Output = ()> + 'static) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]    --> src/async-future.rs:209:28
[INFO] [stdout]     |
[INFO] [stdout] 209 |             while let Some(task) = self.runnable_tasks.lock().unwrap().pop_front() {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `response` and `bytes_written` are never read
[INFO] [stdout]    --> src/async-future.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Writing {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 119 |         response: &'static [u8],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 120 |         bytes_written: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll` is never used
[INFO] [stdout]    --> src/async-future.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub trait Future {
[INFO] [stdout]     |               ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 137 |         fn poll(&mut self, waker: Waker) -> Option<Self::Output>;
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wake_fn` is never read
[INFO] [stdout]    --> src/async-future.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub struct Waker {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 141 |         wake_fn: Box<dyn Fn()>
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wake` is never used
[INFO] [stdout]    --> src/async-future.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     impl Waker {
[INFO] [stdout]     |     ---------- method in this implementation
[INFO] [stdout] 145 |         fn wake(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove` and `wait` are never used
[INFO] [stdout]    --> src/async-future.rs:173:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |     impl Reactor {
[INFO] [stdout]     |     ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 173 |         pub fn remove(&self, fd: RawFd) {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |         pub fn wait(&self) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]    --> src/async-future.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     struct Executor {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spawn` is never used
[INFO] [stdout]    --> src/async-future.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     impl Executor {
[INFO] [stdout]     |     ------------- method in this implementation
[INFO] [stdout] 230 |         fn spawn(&mut self, task: impl Future<Output = ()> + 'static) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "1df674fb7e82ba7c23faac80ad0e3d17bf08085264ab4db34cd2266d0eb34632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df674fb7e82ba7c23faac80ad0e3d17bf08085264ab4db34cd2266d0eb34632", kill_on_drop: false }`
[INFO] [stdout] 1df674fb7e82ba7c23faac80ad0e3d17bf08085264ab4db34cd2266d0eb34632