[INFO] fetching crate signalr_rs 0.1.3... [INFO] checking signalr_rs-0.1.3 against beta for pr-78714 [INFO] extracting crate signalr_rs 0.1.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate signalr_rs 0.1.3 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 signalr_rs 0.1.3 [INFO] removed 1 missing examples [INFO] finished tweaking crates.io crate signalr_rs 0.1.3 [INFO] tweaked toml for crates.io crate signalr_rs 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate signalr_rs 0.1.3 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] 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" "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] 963012d469b5998f15f9e93fbb97c5e7d9a3d284b9d5458fe8536da007a64839 [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" "963012d469b5998f15f9e93fbb97c5e7d9a3d284b9d5458fe8536da007a64839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "963012d469b5998f15f9e93fbb97c5e7d9a3d284b9d5458fe8536da007a64839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "963012d469b5998f15f9e93fbb97c5e7d9a3d284b9d5458fe8536da007a64839", kill_on_drop: false }` [INFO] [stdout] 963012d469b5998f15f9e93fbb97c5e7d9a3d284b9d5458fe8536da007a64839 [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" "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] acf75ff1a928e3b964e106023665e889dd694ecd9fabf2cdb759d007db766e0f [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" "acf75ff1a928e3b964e106023665e889dd694ecd9fabf2cdb759d007db766e0f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking copyless v0.1.4 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking thread_local v1.0.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking bytestring v0.1.2 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking backoff v0.1.5 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking tokio v0.2.9 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-openssl v0.4.0 [INFO] [stderr] Checking actix-codec v0.2.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling derive_more v0.99.2 [INFO] [stderr] Compiling actix-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling async-trait v0.1.22 [INFO] [stderr] Compiling enum-as-inner v0.3.0 [INFO] [stderr] Compiling actix_derive v0.5.0 [INFO] [stderr] Compiling actix-web-codegen v0.2.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking actix-threadpool v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking actix-service v1.0.2 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking actix-rt v1.0.0 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking actix-tls v1.0.0 [INFO] [stderr] Checking actix-server v1.0.1 [INFO] [stderr] Checking actix-testing v1.0.0 [INFO] [stderr] Checking trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Checking actix-connect v1.0.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking actix-router v0.2.4 [INFO] [stderr] Checking actix-http v1.0.1 [INFO] [stderr] Checking awc v1.0.1 [INFO] [stderr] Checking actix v0.9.0 [INFO] [stderr] Checking actix-web v2.0.0 [INFO] [stderr] Checking signalr_rs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Supervised` [INFO] [stdout] --> src/hub/client.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | StreamHandler, Supervised, Supervisor, WrapFuture, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hub/client.rs:263:35 [INFO] [stdout] | [INFO] [stdout] 263 | let queries : Vec> = self.handler.on_connect(); [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn PendingQuery` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Supervised` [INFO] [stdout] --> src/hub/client.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | StreamHandler, Supervised, Supervisor, WrapFuture, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hub/client.rs:263:35 [INFO] [stdout] | [INFO] [stdout] 263 | let queries : Vec> = self.handler.on_connect(); [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn PendingQuery` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hub/client.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | let mut ssl = [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hub/client.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | let mut ssl = [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `signalr_rs` [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] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "acf75ff1a928e3b964e106023665e889dd694ecd9fabf2cdb759d007db766e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acf75ff1a928e3b964e106023665e889dd694ecd9fabf2cdb759d007db766e0f", kill_on_drop: false }` [INFO] [stdout] acf75ff1a928e3b964e106023665e889dd694ecd9fabf2cdb759d007db766e0f