[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudeepdino008%2Frust-webserver" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudeepdino008/rust-webserver on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-2/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: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cea8781d92340b4471b4b4b1457234d99896ac975ed56f57b373a85316d66e68
[INFO] running `Command { std: "docker" "start" "-a" "cea8781d92340b4471b4b4b1457234d99896ac975ed56f57b373a85316d66e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cea8781d92340b4471b4b4b1457234d99896ac975ed56f57b373a85316d66e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea8781d92340b4471b4b4b1457234d99896ac975ed56f57b373a85316d66e68", kill_on_drop: false }`
[INFO] [stdout] cea8781d92340b4471b4b4b1457234d99896ac975ed56f57b373a85316d66e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed6ef1e56be104a8fb47c54cc515d3aa7969de82aeb97be3d9e06ef109f2fe45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed6ef1e56be104a8fb47c54cc515d3aa7969de82aeb97be3d9e06ef109f2fe45", kill_on_drop: false }`
[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[E0277]: `Sender<Message>` cannot be shared between threads safely
[INFO] [stdout]   --> src/main.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |       reg_for_sigs(Box::new(|| {
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 19 | |         pool.shutdown();
[INFO] [stdout] 20 | |     }));
[INFO] [stdout]    | |______^ `Sender<Message>` cannot be shared between threads safely
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `ThreadPool`, the trait `Sync` is not implemented for `Sender<Message>`
[INFO] [stdout] note: required because it appears within the type `ThreadPool`
[INFO] [stdout]   --> src/main.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct ThreadPool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    = note: required because of the requirements on the impl of `Send` for `&ThreadPool`
[INFO] [stdout]    = note: required because it appears within the type `[closure@src/main.rs:18:27: 20:6]`
[INFO] [stdout]    = note: required for the cast to the object type `dyn Fn() + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webserver`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ed6ef1e56be104a8fb47c54cc515d3aa7969de82aeb97be3d9e06ef109f2fe45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6ef1e56be104a8fb47c54cc515d3aa7969de82aeb97be3d9e06ef109f2fe45", kill_on_drop: false }`
[INFO] [stdout] ed6ef1e56be104a8fb47c54cc515d3aa7969de82aeb97be3d9e06ef109f2fe45
