[INFO] crate remote-canvas 1.0.4 is already in cache
[INFO] testing remote-canvas-1.0.4 against 1.45.2 for beta-1.46-1
[INFO] extracting crate remote-canvas 1.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate remote-canvas 1.0.4 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remote-canvas 1.0.4
[INFO] finished tweaking crates.io crate remote-canvas 1.0.4
[INFO] tweaked toml for crates.io crate remote-canvas 1.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b05a96321f102e1a86d40e2c5bde552d6441c34c095d85aa64d2d35ba254115e
[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" "b05a96321f102e1a86d40e2c5bde552d6441c34c095d85aa64d2d35ba254115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05a96321f102e1a86d40e2c5bde552d6441c34c095d85aa64d2d35ba254115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05a96321f102e1a86d40e2c5bde552d6441c34c095d85aa64d2d35ba254115e", kill_on_drop: false }`
[INFO] [stdout] b05a96321f102e1a86d40e2c5bde552d6441c34c095d85aa64d2d35ba254115e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.45.2" "build" "--frozen" "--message-format=json", 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] e448aa1f6f46226a4dcdd74d6371f79b60786dddd62231d4e570655cbf8a73c3
[INFO] running `Command { std: "docker" "start" "-a" "e448aa1f6f46226a4dcdd74d6371f79b60786dddd62231d4e570655cbf8a73c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling futures-lite v0.1.10
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling mio-uds v0.6.8
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
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[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling actix-service v1.0.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling actix-utils v1.0.6
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling actix-server v1.0.3
[INFO] [stderr]    Compiling actix-tls v1.0.0
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-connect v1.0.2
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling actix-router v0.2.4
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling actix-http v1.0.1
[INFO] [stderr]    Compiling awc v1.0.1
[INFO] [stderr]    Compiling actix-web v2.0.0
[INFO] [stderr]    Compiling remote-canvas v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `ok_or_else` found for enum `std::result::Result<websocket::WsMessageResponse, async_std::sync::channel::RecvError>` in the current scope
[INFO] [stdout]    --> src/canvas.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 277 |             .ok_or_else(|| canvas_error!("failed to receive response from client") as Error)
[INFO] [stdout]     |              ^^^^^^^^^^ help: there is an associated function with a similar name: `map_or_else`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `remote-canvas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e448aa1f6f46226a4dcdd74d6371f79b60786dddd62231d4e570655cbf8a73c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e448aa1f6f46226a4dcdd74d6371f79b60786dddd62231d4e570655cbf8a73c3", kill_on_drop: false }`
[INFO] [stdout] e448aa1f6f46226a4dcdd74d6371f79b60786dddd62231d4e570655cbf8a73c3