[INFO] crate sozu-command-futures 0.11.0 is already in cache
[INFO] extracting crate sozu-command-futures 0.11.0 into work/ex/clippy-test-run/sources/stable/reg/sozu-command-futures/0.11.0
[INFO] extracting crate sozu-command-futures 0.11.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sozu-command-futures/0.11.0
[INFO] validating manifest of sozu-command-futures-0.11.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sozu-command-futures-0.11.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sozu-command-futures-0.11.0
[INFO] finished frobbing sozu-command-futures-0.11.0
[INFO] frobbed toml for sozu-command-futures-0.11.0 written to work/ex/clippy-test-run/sources/stable/reg/sozu-command-futures/0.11.0/Cargo.toml
[INFO] started frobbing sozu-command-futures-0.11.0
[INFO] finished frobbing sozu-command-futures-0.11.0
[INFO] frobbed toml for sozu-command-futures-0.11.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sozu-command-futures/0.11.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting sozu-command-futures-0.11.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sozu-command-futures/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 849769b55e1d99f6d4de5296ed6b37af2412a9820f6861073c83251d195a8830
[INFO] running `"docker" "start" "-a" "849769b55e1d99f6d4de5296ed6b37af2412a9820f6861073c83251d195a8830"`
[INFO] [stderr]     Checking pool v0.1.4
[INFO] [stderr]     Checking pem v0.5.1
[INFO] [stderr]     Checking sozu-command-lib v0.11.0
[INFO] [stderr]     Checking sozu-command-futures v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     res
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:106:31
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     let res = transport.upstream.poll_complete();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |                               } else {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 141 | |                                 if message.status == CommandStatus::Processing {
[INFO] [stderr] 142 | |                                     info!("processing: {:?}", message);
[INFO] [stderr] 143 | |                                     Ok(Async::NotReady)
[INFO] [stderr] ...   |
[INFO] [stderr] 146 | |                                 }
[INFO] [stderr] 147 | |                             }
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 140 |                             } else if message.status == CommandStatus::Processing {
[INFO] [stderr] 141 |     info!("processing: {:?}", message);
[INFO] [stderr] 142 |     Ok(Async::NotReady)
[INFO] [stderr] 143 | } else {
[INFO] [stderr] 144 |     Ok(Async::Ready(message))
[INFO] [stderr] 145 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     res
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:106:31
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     let res = transport.upstream.poll_complete();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |                               } else {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 141 | |                                 if message.status == CommandStatus::Processing {
[INFO] [stderr] 142 | |                                     info!("processing: {:?}", message);
[INFO] [stderr] 143 | |                                     Ok(Async::NotReady)
[INFO] [stderr] ...   |
[INFO] [stderr] 146 | |                                 }
[INFO] [stderr] 147 | |                             }
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 140 |                             } else if message.status == CommandStatus::Processing {
[INFO] [stderr] 141 |     info!("processing: {:?}", message);
[INFO] [stderr] 142 |     Ok(Async::NotReady)
[INFO] [stderr] 143 | } else {
[INFO] [stderr] 144 |     Ok(Async::Ready(message))
[INFO] [stderr] 145 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:109:66
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     Err(Error::new(ErrorKind::ConnectionAborted, format!("could not send message")))
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 return Err(From::from(e));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: consider removing `From::from()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:155:70
[INFO] [stderr]     |
[INFO] [stderr] 155 |                             Error::new(ErrorKind::ConnectionAborted, format!("could not send message"))
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:164:58
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 Error::new(ErrorKind::ConnectionAborted, format!("could not send message"))
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:109:66
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     Err(Error::new(ErrorKind::ConnectionAborted, format!("could not send message")))
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 return Err(From::from(e));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ help: consider removing `From::from()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:155:70
[INFO] [stderr]     |
[INFO] [stderr] 155 |                             Error::new(ErrorKind::ConnectionAborted, format!("could not send message"))
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:164:58
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 Error::new(ErrorKind::ConnectionAborted, format!("could not send message"))
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"could not send message".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.74s
[INFO] running `"docker" "inspect" "849769b55e1d99f6d4de5296ed6b37af2412a9820f6861073c83251d195a8830"`
[INFO] running `"docker" "rm" "-f" "849769b55e1d99f6d4de5296ed6b37af2412a9820f6861073c83251d195a8830"`
[INFO] [stdout] 849769b55e1d99f6d4de5296ed6b37af2412a9820f6861073c83251d195a8830