[INFO] crate ws 0.9.1 is already in cache
[INFO] testing ws-0.9.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ws 0.9.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ws 0.9.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws 0.9.1
[INFO] finished tweaking crates.io crate ws 0.9.1
[INFO] tweaked toml for crates.io crate ws 0.9.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ws 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d84ba118d82bc6ce33469e43e8760eae0862572815f688465b144edbd9e0ac
[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" "81d84ba118d82bc6ce33469e43e8760eae0862572815f688465b144edbd9e0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d84ba118d82bc6ce33469e43e8760eae0862572815f688465b144edbd9e0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d84ba118d82bc6ce33469e43e8760eae0862572815f688465b144edbd9e0ac", kill_on_drop: false }`
[INFO] [stdout] 81d84ba118d82bc6ce33469e43e8760eae0862572815f688465b144edbd9e0ac
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c084ce225a721773baf8f90950b415b52ba59dbe2f89cef043f6a53194468fa
[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" "1c084ce225a721773baf8f90950b415b52ba59dbe2f89cef043f6a53194468fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling ws v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "1c084ce225a721773baf8f90950b415b52ba59dbe2f89cef043f6a53194468fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c084ce225a721773baf8f90950b415b52ba59dbe2f89cef043f6a53194468fa", kill_on_drop: false }`
[INFO] [stdout] 1c084ce225a721773baf8f90950b415b52ba59dbe2f89cef043f6a53194468fa
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c5c51eb7d37dc76ec6f3ae616622eef8050385e5fb4c75d0e8a77afe85ef40
[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" "53c5c51eb7d37dc76ec6f3ae616622eef8050385e5fb4c75d0e8a77afe85ef40", kill_on_drop: false }`
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ws v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> examples/html_chat.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn on_request(&mut self, req: &Request) -> Result<(Response)> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/router.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     inner: Box<ws::Handler>,
[INFO] [stdout]   |                ^^^^^^^^^^^ help: use `dyn`: `dyn ws::Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> examples/router.rs:13:63
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_request(&mut self, req: &ws::Request) -> ws::Result<(ws::Response)> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> examples/router.rs:82:63
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn on_request(&mut self, req: &ws::Request) -> ws::Result<(ws::Response)> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name threaded examples/threaded.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=7750723214390ad2 -C extra-filename=-7750723214390ad2 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-920ed6a70714d423.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3fde696f376ab034.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-8cc31ef28c7a0b9e.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d514b87e30537d13.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-e0ff37260b32465b.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-6126053784ee4a98.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-5a14ca411084c1c7.rlib --extern mio_extras=/opt/rustwide/target/debug/deps/libmio_extras-3c1ceb7f350ba5ad.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-14c53b91f97d2923.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-ce5b6ba2df47b001.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rlib --extern term=/opt/rustwide/target/debug/deps/libterm-3ccdc70adcf7828d.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-e6585a51a2caca45.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-6f42d5faedb94df3.rlib --extern ws=/opt/rustwide/target/debug/deps/libws-05418fa13b4c00e8.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "53c5c51eb7d37dc76ec6f3ae616622eef8050385e5fb4c75d0e8a77afe85ef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c5c51eb7d37dc76ec6f3ae616622eef8050385e5fb4c75d0e8a77afe85ef40", kill_on_drop: false }`
[INFO] [stdout] 53c5c51eb7d37dc76ec6f3ae616622eef8050385e5fb4c75d0e8a77afe85ef40