[INFO] crate proc-reader 0.4.0 is already in cache
[INFO] extracting crate proc-reader 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/proc-reader/0.4.0
[INFO] extracting crate proc-reader 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/proc-reader/0.4.0
[INFO] validating manifest of proc-reader-0.4.0 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 proc-reader-0.4.0 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 proc-reader-0.4.0
[INFO] finished frobbing proc-reader-0.4.0
[INFO] frobbed toml for proc-reader-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/proc-reader/0.4.0/Cargo.toml
[INFO] started frobbing proc-reader-0.4.0
[INFO] finished frobbing proc-reader-0.4.0
[INFO] frobbed toml for proc-reader-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/proc-reader/0.4.0/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 proc-reader-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/proc-reader/0.4.0:/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] 7be48534d73515afe0bef69d799dbb0bb103cfb897763b44f205077b72b17c37
[INFO] running `"docker" "start" "-a" "7be48534d73515afe0bef69d799dbb0bb103cfb897763b44f205077b72b17c37"`
[INFO] [stderr]    Compiling proc-reader v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 | /         if regs.syscall() == libc::SYS_fcntl as Word {
[INFO] [stderr] 444 | |             if regs.arg2() == libc::F_DUPFD as Word {
[INFO] [stderr] 445 | |                 let src = regs.arg1();
[INFO] [stderr] 446 | |                 let dst = regs.ret();
[INFO] [stderr] 447 | |                 fd[dst as usize] = fd[src as usize];
[INFO] [stderr] 448 | |             }
[INFO] [stderr] 449 | |         }
[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] 443 |         if regs.syscall() == libc::SYS_fcntl as Word && regs.arg2() == libc::F_DUPFD as Word {
[INFO] [stderr] 444 |     let src = regs.arg1();
[INFO] [stderr] 445 |     let dst = regs.ret();
[INFO] [stderr] 446 |     fd[dst as usize] = fd[src as usize];
[INFO] [stderr] 447 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 |               move || match ProcReader::collect(pid, typ, ctl_rx, buf_tx) {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 266 | |                 Err(x) => {
[INFO] [stderr] 267 | |                     let _ = err_tx.send(x);
[INFO] [stderr] 268 | |                 }
[INFO] [stderr] 269 | |                 _ => (),
[INFO] [stderr] 270 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 265 |             move || if let Err(x) = ProcReader::collect(pid, typ, ctl_rx, buf_tx) {
[INFO] [stderr] 266 |     let _ = err_tx.send(x);
[INFO] [stderr] 267 | },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:300:18
[INFO] [stderr]     |
[INFO] [stderr] 300 |         fds.push(fd.clone());
[INFO] [stderr]     |                  ^^^^^^^^^^ help: try removing the `clone` call: `fd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:331:34
[INFO] [stderr]     |
[INFO] [stderr] 331 |                         fds.push(fd.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: try removing the `clone` call: `fd`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 | /         loop {
[INFO] [stderr] 462 | |             match self.buf.try_recv() {
[INFO] [stderr] 463 | |                 Ok(mut x) => self.rest.append(&mut x),
[INFO] [stderr] 464 | |                 Err(_) => break,
[INFO] [stderr] 465 | |             }
[INFO] [stderr] 466 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Ok(mut x) = self.buf.try_recv() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 | /         if regs.syscall() == libc::SYS_fcntl as Word {
[INFO] [stderr] 444 | |             if regs.arg2() == libc::F_DUPFD as Word {
[INFO] [stderr] 445 | |                 let src = regs.arg1();
[INFO] [stderr] 446 | |                 let dst = regs.ret();
[INFO] [stderr] 447 | |                 fd[dst as usize] = fd[src as usize];
[INFO] [stderr] 448 | |             }
[INFO] [stderr] 449 | |         }
[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] 443 |         if regs.syscall() == libc::SYS_fcntl as Word && regs.arg2() == libc::F_DUPFD as Word {
[INFO] [stderr] 444 |     let src = regs.arg1();
[INFO] [stderr] 445 |     let dst = regs.ret();
[INFO] [stderr] 446 |     fd[dst as usize] = fd[src as usize];
[INFO] [stderr] 447 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 |               move || match ProcReader::collect(pid, typ, ctl_rx, buf_tx) {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 266 | |                 Err(x) => {
[INFO] [stderr] 267 | |                     let _ = err_tx.send(x);
[INFO] [stderr] 268 | |                 }
[INFO] [stderr] 269 | |                 _ => (),
[INFO] [stderr] 270 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 265 |             move || if let Err(x) = ProcReader::collect(pid, typ, ctl_rx, buf_tx) {
[INFO] [stderr] 266 |     let _ = err_tx.send(x);
[INFO] [stderr] 267 | },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:300:18
[INFO] [stderr]     |
[INFO] [stderr] 300 |         fds.push(fd.clone());
[INFO] [stderr]     |                  ^^^^^^^^^^ help: try removing the `clone` call: `fd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:331:34
[INFO] [stderr]     |
[INFO] [stderr] 331 |                         fds.push(fd.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: try removing the `clone` call: `fd`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/lib.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 | /         loop {
[INFO] [stderr] 462 | |             match self.buf.try_recv() {
[INFO] [stderr] 463 | |                 Ok(mut x) => self.rest.append(&mut x),
[INFO] [stderr] 464 | |                 Err(_) => break,
[INFO] [stderr] 465 | |             }
[INFO] [stderr] 466 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Ok(mut x) = self.buf.try_recv() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `"docker" "inspect" "7be48534d73515afe0bef69d799dbb0bb103cfb897763b44f205077b72b17c37"`
[INFO] running `"docker" "rm" "-f" "7be48534d73515afe0bef69d799dbb0bb103cfb897763b44f205077b72b17c37"`
[INFO] [stdout] 7be48534d73515afe0bef69d799dbb0bb103cfb897763b44f205077b72b17c37