[INFO] fetching crate multiplexed-connection 0.4.0... [INFO] checking multiplexed-connection-0.4.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate multiplexed-connection 0.4.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate multiplexed-connection 0.4.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate multiplexed-connection 0.4.0 [INFO] finished tweaking crates.io crate multiplexed-connection 0.4.0 [INFO] tweaked toml for crates.io crate multiplexed-connection 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate multiplexed-connection 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parking_lot v0.12.0 [INFO] [stderr] Downloaded parking_lot_core v0.9.1 [INFO] [stderr] Downloaded cs-trace v0.12.0 [INFO] [stderr] Downloaded connection-utils v0.2.0 [INFO] [stderr] Downloaded vte_generate_state_changes v0.1.1 [INFO] [stderr] Downloaded cs-utils v0.14.0 [INFO] [stderr] Downloaded strip-ansi-escapes v0.1.1 [INFO] [stderr] Downloaded anyhow v1.0.54 [INFO] [stderr] Downloaded tracing v0.1.31 [INFO] [stderr] Downloaded vte v0.10.1 [INFO] [stderr] Downloaded tracing-subscriber v0.3.9 [INFO] [stderr] Downloaded tracing-log v0.1.2 [INFO] [stderr] Downloaded tracing-attributes v0.1.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3baff94848d14b10c331209e92cfc46641a836ddca152a9180d31db8838ef448 [INFO] running `Command { std: "docker" "start" "-a" "3baff94848d14b10c331209e92cfc46641a836ddca152a9180d31db8838ef448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3baff94848d14b10c331209e92cfc46641a836ddca152a9180d31db8838ef448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3baff94848d14b10c331209e92cfc46641a836ddca152a9180d31db8838ef448", kill_on_drop: false }` [INFO] [stdout] 3baff94848d14b10c331209e92cfc46641a836ddca152a9180d31db8838ef448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59e17bbbec30e2ccaf1815b49667a9cb3eb0b72f815c3c51080c0657072142b2 [INFO] running `Command { std: "docker" "start" "-a" "59e17bbbec30e2ccaf1815b49667a9cb3eb0b72f815c3c51080c0657072142b2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling semver v1.0.5 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Compiling anyhow v1.0.54 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking vte v0.10.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking strip-ansi-escapes v0.1.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.19 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking tracing v0.1.31 [INFO] [stderr] Checking tracing-subscriber v0.3.9 [INFO] [stderr] Checking cs-trace v0.12.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking jsonrpc-core v18.0.0 [INFO] [stderr] Checking cs-utils v0.14.0 [INFO] [stderr] Checking connection-utils v0.2.0 [INFO] [stderr] Checking jsonrpc-pubsub v18.0.0 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Checking jsonrpc-client-transports v18.0.0 [INFO] [stderr] Compiling jsonrpc-derive v18.0.0 [INFO] [stderr] Checking jsonrpc-core-client v18.0.0 [INFO] [stderr] Checking multiplexed-connection v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rpc_channel::RemoteRpcChannelEvent` [INFO] [stdout] --> src/multiplexed_connection/rpc.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use rpc_channel::RemoteRpcChannelEvent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::rpc::RpcChannelsServiceClient` [INFO] [stdout] --> src/multiplexed_connection/disconnected.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use super::rpc::RpcChannelsServiceClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient` [INFO] [stdout] --> src/multiplexed_connection/rpc/services.rs:270:17 [INFO] [stdout] | [INFO] [stdout] 270 | pub use super::RpcChannelsServiceClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient` [INFO] [stdout] --> src/multiplexed_connection/rpc/services.rs:337:17 [INFO] [stdout] | [INFO] [stdout] 337 | pub use super::RpcChannelsServiceClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient` [INFO] [stdout] --> src/multiplexed_connection/rpc/services.rs:393:17 [INFO] [stdout] | [INFO] [stdout] 393 | pub use super::RpcChannelsServiceClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::rpc::RpcChannelsServiceClient` [INFO] [stdout] --> src/multiplexed_connection/disconnected.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use super::rpc::RpcChannelsServiceClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SubscriberInitExt`, `TraceListenerOptions`, `Trace`, `child`, `create_trace_listener`, and `create_trace` [INFO] [stdout] --> src/multiplexed_connection.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 34 | pub use cs_trace::{create_trace_listener, TraceListenerOptions, Trace, SubscriberInitExt, create_trace, child}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `off_data` is never used [INFO] [stdout] --> src/multiplexed_connection/rpc/rpc_channel/remote_rpc_channel_event.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl RemoteRpcChannelEvent { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn off_data(&mut self, data_source: TDataReader) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | ChannelStreamFailure(String), [INFO] [stdout] | -------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | ChannelStreamFailure(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `futures::Future` trait object that must be used [INFO] [stdout] --> src/multiplexed_connection/rpc/rpc_channel.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | self.write_async_future.take().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | ChannelStreamFailure(String), [INFO] [stdout] | -------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | ChannelStreamFailure(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `futures::Future` trait object that must be used [INFO] [stdout] --> src/multiplexed_connection/rpc/rpc_channel.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | self.write_async_future.take().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.32s [INFO] running `Command { std: "docker" "inspect" "59e17bbbec30e2ccaf1815b49667a9cb3eb0b72f815c3c51080c0657072142b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59e17bbbec30e2ccaf1815b49667a9cb3eb0b72f815c3c51080c0657072142b2", kill_on_drop: false }` [INFO] [stdout] 59e17bbbec30e2ccaf1815b49667a9cb3eb0b72f815c3c51080c0657072142b2