[INFO] fetching crate spaniel 0.1.0... [INFO] testing spaniel-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate spaniel 0.1.0 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate spaniel 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate spaniel 0.1.0 [INFO] finished tweaking crates.io crate spaniel 0.1.0 [INFO] tweaked toml for crates.io crate spaniel 0.1.0 written to /workspace/builds/worker-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3ed50c577aa645f63a3cc7da1a4bdfa8261c8f52d545598af5c05a4b08ca7ee [INFO] running `Command { std: "docker" "start" "-a" "a3ed50c577aa645f63a3cc7da1a4bdfa8261c8f52d545598af5c05a4b08ca7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3ed50c577aa645f63a3cc7da1a4bdfa8261c8f52d545598af5c05a4b08ca7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ed50c577aa645f63a3cc7da1a4bdfa8261c8f52d545598af5c05a4b08ca7ee", kill_on_drop: false }` [INFO] [stdout] a3ed50c577aa645f63a3cc7da1a4bdfa8261c8f52d545598af5c05a4b08ca7ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77cd2689ff42e3ac2b6c2349a4eb65c861dd4dae58a34b7373d5cc6b74009ecc [INFO] running `Command { std: "docker" "start" "-a" "77cd2689ff42e3ac2b6c2349a4eb65c861dd4dae58a34b7373d5cc6b74009ecc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling spaniel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:127:58 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:251:60 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:260:62 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:47 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | inner: Framed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | inner: length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio_io::codec::length_delimited; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::FramedRead`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | src: length_delimited::FramedRead, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 19 | let src = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/protocol/codec/writer.rs:60:44 [INFO] [stdout] | [INFO] [stdout] 60 | write!(f, "writer error: {}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/protocol/frames.rs:305:28 [INFO] [stdout] | [INFO] [stdout] 305 | fn decode_from(src: &mut B) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dst` [INFO] [stdout] --> src/protocol/frames.rs:309:38 [INFO] [stdout] | [INFO] [stdout] 309 | fn encode_into(&self, dst: &mut B) -> Result<(), ()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/protocol/codec/writer.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | let mut buf = self.current.as_mut().unwrap(); [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: field is never read: `id` [INFO] [stdout] --> src/connection.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | id: ConnectionId, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ConnectionContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/connection.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `notify_all` [INFO] [stdout] --> src/connection.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn notify_all(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CreditBased` [INFO] [stdout] --> src/flow_control.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | CreditBased(FlowControlRatio), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlowControlStrategy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/flow_control.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_front` [INFO] [stdout] --> src/protocol/codec/buffer.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn push_front(&mut self, value: B) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Error` [INFO] [stdout] --> src/protocol/codec/writer.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_watermarks` [INFO] [stdout] --> src/protocol/codec/writer.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn set_watermarks(&mut self, high: usize, low: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_and_flush` [INFO] [stdout] --> src/protocol/codec/writer.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn write_and_flush(&mut self, data: Bytes) -> Poll<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.19s [INFO] running `Command { std: "docker" "inspect" "77cd2689ff42e3ac2b6c2349a4eb65c861dd4dae58a34b7373d5cc6b74009ecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77cd2689ff42e3ac2b6c2349a4eb65c861dd4dae58a34b7373d5cc6b74009ecc", kill_on_drop: false }` [INFO] [stdout] 77cd2689ff42e3ac2b6c2349a4eb65c861dd4dae58a34b7373d5cc6b74009ecc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7d40e8350598b033cff7c13019a1c8f91e32e50f233b1d8f1e47f035bd253ed [INFO] running `Command { std: "docker" "start" "-a" "e7d40e8350598b033cff7c13019a1c8f91e32e50f233b1d8f1e47f035bd253ed", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:127:58 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:251:60 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling spaniel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:260:62 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:47 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | inner: Framed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | inner: length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio_io::codec::length_delimited; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::FramedRead`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | src: length_delimited::FramedRead, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 19 | let src = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/protocol/codec/writer.rs:60:44 [INFO] [stdout] | [INFO] [stdout] 60 | write!(f, "writer error: {}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/protocol/frames.rs:305:28 [INFO] [stdout] | [INFO] [stdout] 305 | fn decode_from(src: &mut B) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dst` [INFO] [stdout] --> src/protocol/frames.rs:309:38 [INFO] [stdout] | [INFO] [stdout] 309 | fn encode_into(&self, dst: &mut B) -> Result<(), ()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/protocol/codec/writer.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | let mut buf = self.current.as_mut().unwrap(); [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: field is never read: `id` [INFO] [stdout] --> src/connection.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | id: ConnectionId, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ConnectionContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/connection.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `notify_all` [INFO] [stdout] --> src/connection.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn notify_all(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CreditBased` [INFO] [stdout] --> src/flow_control.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | CreditBased(FlowControlRatio), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlowControlStrategy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/flow_control.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_front` [INFO] [stdout] --> src/protocol/codec/buffer.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn push_front(&mut self, value: B) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Error` [INFO] [stdout] --> src/protocol/codec/writer.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_watermarks` [INFO] [stdout] --> src/protocol/codec/writer.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn set_watermarks(&mut self, high: usize, low: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_and_flush` [INFO] [stdout] --> src/protocol/codec/writer.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn write_and_flush(&mut self, data: Bytes) -> Poll<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:127:58 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:251:60 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:260:62 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:11:47 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | inner: Framed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/mod.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | inner: length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio_io::codec::length_delimited; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::FramedRead`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | src: length_delimited::FramedRead, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stdout] --> src/protocol/codec/reader.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 19 | let src = length_delimited::Builder::new() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/protocol/codec/writer.rs:60:44 [INFO] [stdout] | [INFO] [stdout] 60 | write!(f, "writer error: {}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/protocol/frames.rs:305:28 [INFO] [stdout] | [INFO] [stdout] 305 | fn decode_from(src: &mut B) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dst` [INFO] [stdout] --> src/protocol/frames.rs:309:38 [INFO] [stdout] | [INFO] [stdout] 309 | fn encode_into(&self, dst: &mut B) -> Result<(), ()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/protocol/codec/writer.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | let mut buf = self.current.as_mut().unwrap(); [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: field is never read: `id` [INFO] [stdout] --> src/connection.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | id: ConnectionId, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ConnectionContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/connection.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `notify_all` [INFO] [stdout] --> src/connection.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn notify_all(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CreditBased` [INFO] [stdout] --> src/flow_control.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | CreditBased(FlowControlRatio), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlowControlStrategy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/flow_control.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_front` [INFO] [stdout] --> src/protocol/codec/buffer.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn push_front(&mut self, value: B) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Error` [INFO] [stdout] --> src/protocol/codec/writer.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_watermarks` [INFO] [stdout] --> src/protocol/codec/writer.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn set_watermarks(&mut self, high: usize, low: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_and_flush` [INFO] [stdout] --> src/protocol/codec/writer.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn write_and_flush(&mut self, data: Bytes) -> Poll<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.33s [INFO] running `Command { std: "docker" "inspect" "e7d40e8350598b033cff7c13019a1c8f91e32e50f233b1d8f1e47f035bd253ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7d40e8350598b033cff7c13019a1c8f91e32e50f233b1d8f1e47f035bd253ed", kill_on_drop: false }` [INFO] [stdout] e7d40e8350598b033cff7c13019a1c8f91e32e50f233b1d8f1e47f035bd253ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c66b5df45cb3ad4f630f440b15dd0a2525b8ce489dddf266ee5978a4202f155 [INFO] running `Command { std: "docker" "start" "-a" "9c66b5df45cb3ad4f630f440b15dd0a2525b8ce489dddf266ee5978a4202f155", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/protocol/codec/writer.rs:127:58 [INFO] [stderr] | [INFO] [stderr] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stderr] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/protocol/codec/writer.rs:251:60 [INFO] [stderr] | [INFO] [stderr] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stderr] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/protocol/codec/writer.rs:260:62 [INFO] [stderr] | [INFO] [stderr] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stderr] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/mod.rs:11:22 [INFO] [stderr] | [INFO] [stderr] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/mod.rs:11:47 [INFO] [stderr] | [INFO] [stderr] 11 | use tokio_io::codec::length_delimited::{self, Framed}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::Framed`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/mod.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | inner: Framed, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/mod.rs:32:38 [INFO] [stderr] | [INFO] [stderr] 32 | inner: length_delimited::Builder::new() [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/reader.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio_io::codec::length_delimited; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::FramedRead`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/reader.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | src: length_delimited::FramedRead, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `tokio_io::codec::length_delimited::Builder`: Moved to tokio-codec [INFO] [stderr] --> src/protocol/codec/reader.rs:19:37 [INFO] [stderr] | [INFO] [stderr] 19 | let src = length_delimited::Builder::new() [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/protocol/codec/writer.rs:60:44 [INFO] [stderr] | [INFO] [stderr] 60 | write!(f, "writer error: {}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `src` [INFO] [stderr] --> src/protocol/frames.rs:305:28 [INFO] [stderr] | [INFO] [stderr] 305 | fn decode_from(src: &mut B) -> Result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dst` [INFO] [stderr] --> src/protocol/frames.rs:309:38 [INFO] [stderr] | [INFO] [stderr] 309 | fn encode_into(&self, dst: &mut B) -> Result<(), ()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dst` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/protocol/codec/writer.rs:196:21 [INFO] [stderr] | [INFO] [stderr] 196 | let mut buf = self.current.as_mut().unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/connection.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | id: ConnectionId, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `ConnectionContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/connection.rs:60:10 [INFO] [stderr] | [INFO] [stderr] 60 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `notify_all` [INFO] [stderr] --> src/connection.rs:195:8 [INFO] [stderr] | [INFO] [stderr] 195 | fn notify_all(&mut self) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CreditBased` [INFO] [stderr] --> src/flow_control.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | CreditBased(FlowControlRatio), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `FlowControlStrategy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/flow_control.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug, PartialEq, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_front` [INFO] [stderr] --> src/protocol/codec/buffer.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn push_front(&mut self, value: B) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Error` [INFO] [stderr] --> src/protocol/codec/writer.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | Error, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_watermarks` [INFO] [stderr] --> src/protocol/codec/writer.rs:119:12 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn set_watermarks(&mut self, high: usize, low: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write_and_flush` [INFO] [stderr] --> src/protocol/codec/writer.rs:220:12 [INFO] [stderr] | [INFO] [stderr] 220 | pub fn write_and_flush(&mut self, data: Bytes) -> Poll<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `spaniel` (lib) generated 21 warnings [INFO] [stderr] warning: `spaniel` (lib test) generated 21 warnings (21 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.91s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/spaniel-ae986eb47759b737) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests spaniel [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/protocol/codec/writer.rs:127:58 [INFO] [stderr] | [INFO] [stderr] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stderr] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/protocol/codec/writer.rs:251:60 [INFO] [stderr] | [INFO] [stderr] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stderr] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/protocol/codec/writer.rs:260:62 [INFO] [stderr] | [INFO] [stderr] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stderr] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9c66b5df45cb3ad4f630f440b15dd0a2525b8ce489dddf266ee5978a4202f155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c66b5df45cb3ad4f630f440b15dd0a2525b8ce489dddf266ee5978a4202f155", kill_on_drop: false }` [INFO] [stdout] 9c66b5df45cb3ad4f630f440b15dd0a2525b8ce489dddf266ee5978a4202f155