[INFO] fetching crate wschat 0.1.2... [INFO] checking wschat-0.1.2 against beta for pr-78714 [INFO] extracting crate wschat 0.1.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate wschat 0.1.2 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wschat 0.1.2 [INFO] finished tweaking crates.io crate wschat 0.1.2 [INFO] tweaked toml for crates.io crate wschat 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate wschat 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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 serde_derive v1.0.114 [INFO] [stderr] Downloaded jsonwebtoken v7.2.0 [INFO] [stderr] Downloaded headers-core v0.2.0 [INFO] [stderr] Downloaded untrusted v0.7.1 [INFO] [stderr] Downloaded tracing-futures v0.2.4 [INFO] [stderr] Downloaded input_buffer v0.3.1 [INFO] [stderr] Downloaded tracing v0.1.18 [INFO] [stderr] Downloaded urlencoding v1.1.1 [INFO] [stderr] Downloaded warp v0.2.4 [INFO] [stderr] Downloaded tungstenite v0.10.1 [INFO] [stderr] Downloaded headers v0.3.2 [INFO] [stderr] Downloaded pem v0.8.1 [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded simple_asn1 v0.4.1 [INFO] [stderr] Downloaded scoped-tls v1.0.0 [INFO] [stderr] Downloaded buf_redux v0.8.4 [INFO] [stderr] Downloaded mime_guess v1.8.8 [INFO] [stderr] Downloaded multipart v0.16.1 [INFO] [stderr] Downloaded twoway v0.1.8 [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded tracing-core v0.1.12 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded proc-macro-hack v0.5.18 [INFO] [stderr] Downloaded proc-macro-nested v0.1.6 [INFO] [stderr] Downloaded tokio-tungstenite v0.10.1 [INFO] [stderr] Downloaded ring v0.16.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f520fb89643506f0680ecb5cd6a38015ae4ca5060dbd6c12370c178d7157a6e [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" "5f520fb89643506f0680ecb5cd6a38015ae4ca5060dbd6c12370c178d7157a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f520fb89643506f0680ecb5cd6a38015ae4ca5060dbd6c12370c178d7157a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f520fb89643506f0680ecb5cd6a38015ae4ca5060dbd6c12370c178d7157a6e", kill_on_drop: false }` [INFO] [stdout] 5f520fb89643506f0680ecb5cd6a38015ae4ca5060dbd6c12370c178d7157a6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fa466a40b686c3527bbe26c9264f10d02304ba1d9149cc8859b16f514912c9e [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" "2fa466a40b686c3527bbe26c9264f10d02304ba1d9149cc8859b16f514912c9e", 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] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking tracing-core v0.1.12 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking pem v0.8.1 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking tokio-tungstenite v0.10.1 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking simple_asn1 v0.4.1 [INFO] [stderr] Checking jsonwebtoken v7.2.0 [INFO] [stderr] Checking warp v0.2.4 [INFO] [stderr] Checking wschat v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let payload = if let Ok(p) = jsonwebtoken::decode::( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | tx.send(Ok(Message::text(msg.to_string()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let payload = if let Ok(p) = jsonwebtoken::decode::( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | tx.send(Ok(Message::text(msg.to_string()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.05s [INFO] running `Command { std: "docker" "inspect" "2fa466a40b686c3527bbe26c9264f10d02304ba1d9149cc8859b16f514912c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fa466a40b686c3527bbe26c9264f10d02304ba1d9149cc8859b16f514912c9e", kill_on_drop: false }` [INFO] [stdout] 2fa466a40b686c3527bbe26c9264f10d02304ba1d9149cc8859b16f514912c9e