[INFO] cloning repository https://github.com/sudeepdino008/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudeepdino008/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudeepdino008%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudeepdino008%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa6f325fbdd0bc251cc88bd080d0e473c61e7e18
[INFO] testing sudeepdino008/rust-webserver against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudeepdino008%2Frust-webserver" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudeepdino008/rust-webserver on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sudeepdino008/rust-webserver
[INFO] finished tweaking git repo https://github.com/sudeepdino008/rust-webserver
[INFO] tweaked toml for git repo https://github.com/sudeepdino008/rust-webserver written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sudeepdino008/rust-webserver 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing sudeepdino008/rust-webserver against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudeepdino008%2Frust-webserver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudeepdino008/rust-webserver on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sudeepdino008/rust-webserver
[INFO] finished tweaking git repo https://github.com/sudeepdino008/rust-webserver
[INFO] tweaked toml for git repo https://github.com/sudeepdino008/rust-webserver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sudeepdino008/rust-webserver 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44cef680c6e185c57b9121533b81df298dc245fb3f632141b2a38bdd13a4bf34
[INFO] running `Command { std: "docker" "start" "-a" "44cef680c6e185c57b9121533b81df298dc245fb3f632141b2a38bdd13a4bf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44cef680c6e185c57b9121533b81df298dc245fb3f632141b2a38bdd13a4bf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cef680c6e185c57b9121533b81df298dc245fb3f632141b2a38bdd13a4bf34", kill_on_drop: false }`
[INFO] [stdout] 44cef680c6e185c57b9121533b81df298dc245fb3f632141b2a38bdd13a4bf34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c01f7374c9e618034bc79e87ae8e146989c87b273761d66e2f1bbd6bc09913
[INFO] running `Command { std: "docker" "start" "-a" "04c01f7374c9e618034bc79e87ae8e146989c87b273761d66e2f1bbd6bc09913", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::VecDeque`, `mem`, `rc::Rc`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     mem,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     net::{TcpListener, TcpStream},
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `pool` does not live long enough
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |       reg_for_sigs(Box::new(|| {
[INFO] [stdout]    |                    -        -- value captured here
[INFO] [stdout]    |  __________________|
[INFO] [stdout]    | |
[INFO] [stdout] 19 | |         pool.shutdown();
[INFO] [stdout]    | |         ^^^^ borrowed value does not live long enough
[INFO] [stdout] 20 | |     }));
[INFO] [stdout]    | |______- cast requires that `pool` is borrowed for `'static`
[INFO] [stdout] ...
[INFO] [stdout] 29 |   }
[INFO] [stdout]    |   - `pool` dropped here while still borrowed
[INFO] [stdout]    |
[INFO] [stdout]    = note: due to object lifetime defaults, `Box<dyn Fn() + Send + Sync>` actually means `Box<(dyn Fn() + Send + Sync + 'static)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `func`, a captured variable in an `Fn` closure
[INFO] [stdout]   --> src/main.rs:32:70
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn reg_for_sigs(func: Box<dyn Fn() -> () + Send + Sync>) {
[INFO] [stdout]    |                     ---- captured outer variable
[INFO] [stdout] 32 |     unsafe { signal_hook::register(signal_hook::SIGINT, || on_sigint(func)) }
[INFO] [stdout]    |                                                         --           ^^^^ move occurs because `func` has type `Box<dyn Fn() + Send + Sync>`, which does not implement the `Copy` trait
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         captured by this `Fn` closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `self.workers` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.workers.iter_mut().for_each(|worker| {
[INFO] [stdout]     |         ^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn shutdown(&mut self) {
[INFO] [stdout]     |                     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0507, E0596, E0597.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webserver` (bin "webserver") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "04c01f7374c9e618034bc79e87ae8e146989c87b273761d66e2f1bbd6bc09913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c01f7374c9e618034bc79e87ae8e146989c87b273761d66e2f1bbd6bc09913", kill_on_drop: false }`
[INFO] [stdout] 04c01f7374c9e618034bc79e87ae8e146989c87b273761d66e2f1bbd6bc09913