[INFO] fetching crate ws-async 0.1.0...
[INFO] testing ws-async-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ws-async 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ws-async 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws-async 0.1.0
[INFO] finished tweaking crates.io crate ws-async 0.1.0
[INFO] tweaked toml for crates.io crate ws-async 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ws-async 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded async-stream-impl v0.2.0
[INFO] [stderr]   Downloaded async-stream v0.2.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] [stderr]   Downloaded bytes v0.5.2
[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded http-body v0.3.0
[INFO] [stderr]   Downloaded hyper v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] b0637c1f90ebadf1d1901f145e583b37163e5de7172cdba32f8637b0fd13b5df
[INFO] running `Command { std: "docker" "start" "-a" "b0637c1f90ebadf1d1901f145e583b37163e5de7172cdba32f8637b0fd13b5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0637c1f90ebadf1d1901f145e583b37163e5de7172cdba32f8637b0fd13b5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0637c1f90ebadf1d1901f145e583b37163e5de7172cdba32f8637b0fd13b5df", kill_on_drop: false }`
[INFO] [stdout] b0637c1f90ebadf1d1901f145e583b37163e5de7172cdba32f8637b0fd13b5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2571c86f776222bc83f63d2131a3deaf264c7c8dc5ecdb2c6d64c7c11204f37
[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" "a2571c86f776222bc83f63d2131a3deaf264c7c8dc5ecdb2c6d64c7c11204f37", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling http-body v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.4
[INFO] [stderr]    Compiling async-stream v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.0
[INFO] [stderr]    Compiling ws-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request`, `Response`
[INFO] [stdout]  --> src/handshake.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hyper::{Request, Response};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryFutureExt`
[INFO] [stdout]  --> src/server/service.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::TryFutureExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if let Some(cause) = self.cause() {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 |             write!(f, "{}: {}", self.description(), cause)
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |             f.write_str(self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws-async` due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2571c86f776222bc83f63d2131a3deaf264c7c8dc5ecdb2c6d64c7c11204f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2571c86f776222bc83f63d2131a3deaf264c7c8dc5ecdb2c6d64c7c11204f37", kill_on_drop: false }`
[INFO] [stdout] a2571c86f776222bc83f63d2131a3deaf264c7c8dc5ecdb2c6d64c7c11204f37