[INFO] fetching crate spaniel 0.1.0...
[INFO] checking spaniel-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate spaniel 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spaniel 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b64520a35a7e34459f3c969a5f160b4d49e182cbc2b84e8457127fe8454611dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b64520a35a7e34459f3c969a5f160b4d49e182cbc2b84e8457127fe8454611dd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking spaniel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/mod.rs:11:41
[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 item '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 item '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<T, Bytes>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::Builder': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/mod.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |             inner: length_delimited::Builder::new()
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
[INFO] [stderr]  --> src/protocol/codec/reader.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_io::codec::length_delimited;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedRead': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/reader.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     src: length_delimited::FramedRead<T>,
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::Builder': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/reader.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let src = length_delimited::Builder::new()
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/mod.rs:11:41
[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 item '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 item '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<T, Bytes>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::Builder': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/mod.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |             inner: length_delimited::Builder::new()
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
[INFO] [stderr]  --> src/protocol/codec/reader.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_io::codec::length_delimited;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedRead': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/reader.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     src: length_delimited::FramedRead<T>,
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::Builder': Moved to tokio-codec
[INFO] [stderr]   --> src/protocol/codec/reader.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let src = length_delimited::Builder::new()
[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<B: Buf>(src: &mut B) -> Result<Frame, FramingError> {
[INFO] [stderr]     |                            ^^^ help: consider prefixing 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<B: BufMut>(&self, dst: &mut B) -> Result<(), ()> {
[INFO] [stderr]     |                                      ^^^ help: consider prefixing with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]    --> src/protocol/frames.rs:305:28
[INFO] [stderr]     |
[INFO] [stderr] 305 |     fn decode_from<B: Buf>(src: &mut B) -> Result<Frame, FramingError> {
[INFO] [stderr]     |                            ^^^ help: consider prefixing 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<B: BufMut>(&self, dst: &mut B) -> Result<(), ()> {
[INFO] [stderr]     |                                      ^^^ help: consider prefixing 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: 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: method is never used: `notify_all`
[INFO] [stderr]    --> src/connection.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn notify_all(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[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] warning: method is never used: `push_front`
[INFO] [stderr]   --> src/protocol/codec/buffer.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn push_front(&mut self, value: B) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_watermarks`
[INFO] [stderr]    --> src/protocol/codec/writer.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn set_watermarks(&mut self, high: usize, low: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_and_flush`
[INFO] [stderr]    --> src/protocol/codec/writer.rs:220:5
[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: method is never used: `notify_all`
[INFO] [stderr]    --> src/connection.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn notify_all(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[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] warning: method is never used: `push_front`
[INFO] [stderr]   --> src/protocol/codec/buffer.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn push_front(&mut self, value: B) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_watermarks`
[INFO] [stderr]    --> src/protocol/codec/writer.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn set_watermarks(&mut self, high: usize, low: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_and_flush`
[INFO] [stderr]    --> src/protocol/codec/writer.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub fn write_and_flush(&mut self, data: Bytes) -> Poll<(), std::io::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "b64520a35a7e34459f3c969a5f160b4d49e182cbc2b84e8457127fe8454611dd"`
[INFO] running `"docker" "rm" "-f" "b64520a35a7e34459f3c969a5f160b4d49e182cbc2b84e8457127fe8454611dd"`
[INFO] [stdout] b64520a35a7e34459f3c969a5f160b4d49e182cbc2b84e8457127fe8454611dd