[INFO] fetching crate ws 0.9.1...
[INFO] testing ws-0.9.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ws 0.9.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ws 0.9.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded openssl-sys v0.9.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea06540df9a5d0376852150d262df7e6a2cef9fa8590c184bb5e1153cf1cb27b
[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" "ea06540df9a5d0376852150d262df7e6a2cef9fa8590c184bb5e1153cf1cb27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea06540df9a5d0376852150d262df7e6a2cef9fa8590c184bb5e1153cf1cb27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea06540df9a5d0376852150d262df7e6a2cef9fa8590c184bb5e1153cf1cb27b", kill_on_drop: false }`
[INFO] [stdout] ea06540df9a5d0376852150d262df7e6a2cef9fa8590c184bb5e1153cf1cb27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539eb3c08e9c20d11c6531765b397a521d5af82291cc0f568d5a1ea7e999df93
[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" "539eb3c08e9c20d11c6531765b397a521d5af82291cc0f568d5a1ea7e999df93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling ws v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
[INFO] running `Command { std: "docker" "inspect" "539eb3c08e9c20d11c6531765b397a521d5af82291cc0f568d5a1ea7e999df93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539eb3c08e9c20d11c6531765b397a521d5af82291cc0f568d5a1ea7e999df93", kill_on_drop: false }`
[INFO] [stdout] 539eb3c08e9c20d11c6531765b397a521d5af82291cc0f568d5a1ea7e999df93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76eb0073f46a53b664db24f9276130f5d3762b21fe2ec8a456f33aaf187b0ce4
[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" "76eb0073f46a53b664db24f9276130f5d3762b21fe2ec8a456f33aaf187b0ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[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: unused closure that must be used
[INFO] [stdout]    --> src/factory.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         factory.connection_made(Sender::new(mio::Token(0), chn, 0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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 shared examples/shared.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cc79e78e8acc6983 -C extra-filename=-cc79e78e8acc6983 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d9d0103afea89763.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b4fcee6b7d51bc4f.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-059a46ef4cfc1e9a.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8a47ddb51a2c47ce.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-4498e44828a5bbeb.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-16806d2907ecf26d.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-aa80fa689b924e8a.rlib --extern mio_extras=/opt/rustwide/target/debug/deps/libmio_extras-e7dc93e3d9e499ca.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-0b5b25db59f76f91.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-1d53855d43486bf8.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-f568091877b30548.rlib --extern term=/opt/rustwide/target/debug/deps/libterm-f2c294c785a99c21.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-ac880c0e263edc32.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-68d9e889226708f2.rlib --extern ws=/opt/rustwide/target/debug/deps/libws-b371a8f6fb7b81aa.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76eb0073f46a53b664db24f9276130f5d3762b21fe2ec8a456f33aaf187b0ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76eb0073f46a53b664db24f9276130f5d3762b21fe2ec8a456f33aaf187b0ce4", kill_on_drop: false }`
[INFO] [stdout] 76eb0073f46a53b664db24f9276130f5d3762b21fe2ec8a456f33aaf187b0ce4