[INFO] fetching crate ws-lite 0.5.0... [INFO] checking ws-lite-0.5.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243 [INFO] extracting crate ws-lite 0.5.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate ws-lite 0.5.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ws-lite 0.5.0 [INFO] finished tweaking crates.io crate ws-lite 0.5.0 [INFO] tweaked toml for crates.io crate ws-lite 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 853f7b5678925437d7199c6f5342df621201917dc058e0295621fda083d7d1b1 [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" "853f7b5678925437d7199c6f5342df621201917dc058e0295621fda083d7d1b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "853f7b5678925437d7199c6f5342df621201917dc058e0295621fda083d7d1b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "853f7b5678925437d7199c6f5342df621201917dc058e0295621fda083d7d1b1", kill_on_drop: false }` [INFO] [stdout] 853f7b5678925437d7199c6f5342df621201917dc058e0295621fda083d7d1b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--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] 4e613dc59dc28096c899fc8ef40aef11c0d389bd93852f1dc78528df7b7593ec [INFO] running `Command { std: "docker" "start" "-a" "4e613dc59dc28096c899fc8ef40aef11c0d389bd93852f1dc78528df7b7593ec", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking const-sha1 v0.2.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking serde_json v1.0.60 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking async-net v1.5.0 [INFO] [stderr] Checking ws-lite v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] = help: consider using `min_const_generics` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> benches/benchmarks.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] = help: consider using `min_const_generics` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] = help: consider using `min_const_generics` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/benchmarks.rs:57:41 [INFO] [stdout] | [INFO] [stdout] 57 | let message = Message::Text(Cow::from(format!("a"))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found enum `Cow` [INFO] [stdout] | help: try using a conversion method: `Cow::from(format!("a")).to_string()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `String` [INFO] [stdout] found enum `Cow<'_, str>` [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 E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ws-lite` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4e613dc59dc28096c899fc8ef40aef11c0d389bd93852f1dc78528df7b7593ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e613dc59dc28096c899fc8ef40aef11c0d389bd93852f1dc78528df7b7593ec", kill_on_drop: false }` [INFO] [stdout] 4e613dc59dc28096c899fc8ef40aef11c0d389bd93852f1dc78528df7b7593ec