[INFO] updating cached repository timglabisch/innodblockmon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/timglabisch/innodblockmon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/innodblockmon" "work/ex/clippy-test-run/sources/stable/gh/timglabisch/innodblockmon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/timglabisch/innodblockmon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/innodblockmon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/timglabisch/innodblockmon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/timglabisch/innodblockmon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca65fb25a02828e1272b6475877e0ad2c86e91a7
[INFO] sha for GitHub repo timglabisch/innodblockmon: ca65fb25a02828e1272b6475877e0ad2c86e91a7
[INFO] validating manifest of timglabisch/innodblockmon 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 timglabisch/innodblockmon 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 timglabisch/innodblockmon
[INFO] finished frobbing timglabisch/innodblockmon
[INFO] frobbed toml for timglabisch/innodblockmon written to work/ex/clippy-test-run/sources/stable/gh/timglabisch/innodblockmon/Cargo.toml
[INFO] started frobbing timglabisch/innodblockmon
[INFO] finished frobbing timglabisch/innodblockmon
[INFO] frobbed toml for timglabisch/innodblockmon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/timglabisch/innodblockmon/Cargo.toml
[INFO] crate timglabisch/innodblockmon has a lockfile. skipping
[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 timglabisch/innodblockmon 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/gh/timglabisch/innodblockmon:/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] 0c33d205ee9ac5ddfdc8c7977d42f62b241781bdc33ae19120230329dd5718d3
[INFO] running `"docker" "start" "-a" "0c33d205ee9ac5ddfdc8c7977d42f62b241781bdc33ae19120230329dd5718d3"`
[INFO] [stderr]     Checking serde v1.0.17
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking atoi v0.2.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking mysql_common v0.2.0
[INFO] [stderr]     Checking mysql v12.0.3
[INFO] [stderr]     Checking innodblockmon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[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/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 | /                     match self::handle(&mut server) {
[INFO] [stderr] 69 | |                         Err(e) => {
[INFO] [stderr] 70 | |                             println!("Error: {:#?}", e);
[INFO] [stderr] 71 | |                             break;
[INFO] [stderr] 72 | |                         }, 
[INFO] [stderr] 73 | |                         Ok(_) => {}
[INFO] [stderr] 74 | |                     };
[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] 68 |                     if let Err(e) = self::handle(&mut server) {
[INFO] [stderr] 69 |     println!("Error: {:#?}", e);
[INFO] [stderr] 70 |     break;
[INFO] [stderr] 71 | };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if transactions.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `transactions.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[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/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 | /                     match self::handle(&mut server) {
[INFO] [stderr] 69 | |                         Err(e) => {
[INFO] [stderr] 70 | |                             println!("Error: {:#?}", e);
[INFO] [stderr] 71 | |                             break;
[INFO] [stderr] 72 | |                         }, 
[INFO] [stderr] 73 | |                         Ok(_) => {}
[INFO] [stderr] 74 | |                     };
[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] 68 |                     if let Err(e) = self::handle(&mut server) {
[INFO] [stderr] 69 |     println!("Error: {:#?}", e);
[INFO] [stderr] 70 |     break;
[INFO] [stderr] 71 | };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if transactions.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `transactions.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.92s
[INFO] running `"docker" "inspect" "0c33d205ee9ac5ddfdc8c7977d42f62b241781bdc33ae19120230329dd5718d3"`
[INFO] running `"docker" "rm" "-f" "0c33d205ee9ac5ddfdc8c7977d42f62b241781bdc33ae19120230329dd5718d3"`
[INFO] [stdout] 0c33d205ee9ac5ddfdc8c7977d42f62b241781bdc33ae19120230329dd5718d3