[INFO] crate linux_proc 0.1.0 is already in cache
[INFO] extracting crate linux_proc 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/linux_proc/0.1.0
[INFO] extracting crate linux_proc 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/linux_proc/0.1.0
[INFO] validating manifest of linux_proc-0.1.0 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 linux_proc-0.1.0 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 linux_proc-0.1.0
[INFO] finished frobbing linux_proc-0.1.0
[INFO] frobbed toml for linux_proc-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/linux_proc/0.1.0/Cargo.toml
[INFO] started frobbing linux_proc-0.1.0
[INFO] finished frobbing linux_proc-0.1.0
[INFO] frobbed toml for linux_proc-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/linux_proc/0.1.0/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 linux_proc-0.1.0 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/linux_proc/0.1.0:/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] 37e4078697d7d47d878330b0d07e08a41ad56f6b47a3f4c805186624992eda2f
[INFO] running `"docker" "start" "-a" "37e4078697d7d47d878330b0d07e08a41ad56f6b47a3f4c805186624992eda2f"`
[INFO] [stderr]     Checking linux_proc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/util.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     return &input[input.len()..];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&input[input.len()..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:45:42
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Some(val) => (ch.len_utf8(), val as u64),
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: try: `u64::from(val)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 acc = acc * 10 + val as u64;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: try: `u64::from(val)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/stat.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         loop {
[INFO] [stderr] 61 | |             if let Ok(cpu_info) = reader.parse_line(StatCpu::from_str) {
[INFO] [stderr] 62 | |                 cpus.push(cpu_info);
[INFO] [stderr] 63 | |             } else {
[INFO] [stderr] 64 | |                 break;
[INFO] [stderr] 65 | |             }
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try: `while let Ok(cpu_info) = reader.parse_line(StatCpu::from_str) { .. }`
[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]     Checking quicli v0.3.1
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/util.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     return &input[input.len()..];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&input[input.len()..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:45:42
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Some(val) => (ch.len_utf8(), val as u64),
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: try: `u64::from(val)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 acc = acc * 10 + val as u64;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: try: `u64::from(val)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/stat.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         loop {
[INFO] [stderr] 61 | |             if let Ok(cpu_info) = reader.parse_line(StatCpu::from_str) {
[INFO] [stderr] 62 | |                 cpus.push(cpu_info);
[INFO] [stderr] 63 | |             } else {
[INFO] [stderr] 64 | |                 break;
[INFO] [stderr] 65 | |             }
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try: `while let Ok(cpu_info) = reader.parse_line(StatCpu::from_str) { .. }`
[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 7.55s
[INFO] running `"docker" "inspect" "37e4078697d7d47d878330b0d07e08a41ad56f6b47a3f4c805186624992eda2f"`
[INFO] running `"docker" "rm" "-f" "37e4078697d7d47d878330b0d07e08a41ad56f6b47a3f4c805186624992eda2f"`
[INFO] [stdout] 37e4078697d7d47d878330b0d07e08a41ad56f6b47a3f4c805186624992eda2f