[INFO] updating cached repository nical/backup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nical/backup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nical/backup" "work/ex/clippy-test-run/sources/stable/gh/nical/backup"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nical/backup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nical/backup" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nical/backup"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nical/backup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb625a9df257835a52edc37eb8e6e9b9adeaf01b
[INFO] sha for GitHub repo nical/backup: fb625a9df257835a52edc37eb8e6e9b9adeaf01b
[INFO] validating manifest of nical/backup 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 nical/backup 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 nical/backup
[INFO] finished frobbing nical/backup
[INFO] frobbed toml for nical/backup written to work/ex/clippy-test-run/sources/stable/gh/nical/backup/Cargo.toml
[INFO] started frobbing nical/backup
[INFO] finished frobbing nical/backup
[INFO] frobbed toml for nical/backup written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nical/backup/Cargo.toml
[INFO] crate nical/backup 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] [stderr]     Blocking waiting for file lock on the registry index
[INFO] linting nical/backup 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/nical/backup:/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] 08264b5f1f96ea8d4a1ff0141cac6a7ee3a39868284d9999409911832904ae31
[INFO] running `"docker" "start" "-a" "08264b5f1f96ea8d4a1ff0141cac6a7ee3a39868284d9999409911832904ae31"`
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking backup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Matching on `Some` with `ok()` is redundant
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | /     if let Some(mut config_file) = File::open(format!("{}/.backup.toml", src_dir)).ok() {
[INFO] [stderr] 108 | |         if verbose {
[INFO] [stderr] 109 | |             println!(" ** Found config file at {}/.backup.toml", src_dir);
[INFO] [stderr] 110 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |         }
[INFO] [stderr] 131 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::if_let_some_result)] on by default
[INFO] [stderr]     = help: Consider matching on `Ok(mut config_file)` and removing the call to `ok` instead
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
[INFO] [stderr] 
[INFO] [stderr] warning: Matching on `Some` with `ok()` is redundant
[INFO] [stderr]    --> src/main.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 | /     if let Some(mut config_file) = File::create(path.clone()).ok() {
[INFO] [stderr] 298 | |         writeln!(config_file, "server = \"{}\"", address)?;
[INFO] [stderr] 299 | |         writeln!(config_file, "port = \"{}\"", port)?;
[INFO] [stderr] 300 | |         writeln!(config_file, "user = \"{}\"", user)?;
[INFO] [stderr] ...   |
[INFO] [stderr] 316 | |         println!("Created configuration file at {}", path);
[INFO] [stderr] 317 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider matching on `Ok(mut config_file)` and removing the call to `ok` instead
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
[INFO] [stderr] 
[INFO] [stderr] warning: Matching on `Some` with `ok()` is redundant
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | /     if let Some(mut config_file) = File::open(format!("{}/.backup.toml", src_dir)).ok() {
[INFO] [stderr] 108 | |         if verbose {
[INFO] [stderr] 109 | |             println!(" ** Found config file at {}/.backup.toml", src_dir);
[INFO] [stderr] 110 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |         }
[INFO] [stderr] 131 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::if_let_some_result)] on by default
[INFO] [stderr]     = help: Consider matching on `Ok(mut config_file)` and removing the call to `ok` instead
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
[INFO] [stderr] 
[INFO] [stderr] warning: Matching on `Some` with `ok()` is redundant
[INFO] [stderr]    --> src/main.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 | /     if let Some(mut config_file) = File::create(path.clone()).ok() {
[INFO] [stderr] 298 | |         writeln!(config_file, "server = \"{}\"", address)?;
[INFO] [stderr] 299 | |         writeln!(config_file, "port = \"{}\"", port)?;
[INFO] [stderr] 300 | |         writeln!(config_file, "user = \"{}\"", user)?;
[INFO] [stderr] ...   |
[INFO] [stderr] 316 | |         println!("Created configuration file at {}", path);
[INFO] [stderr] 317 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider matching on `Ok(mut config_file)` and removing the call to `ok` instead
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.41s
[INFO] running `"docker" "inspect" "08264b5f1f96ea8d4a1ff0141cac6a7ee3a39868284d9999409911832904ae31"`
[INFO] running `"docker" "rm" "-f" "08264b5f1f96ea8d4a1ff0141cac6a7ee3a39868284d9999409911832904ae31"`
[INFO] [stdout] 08264b5f1f96ea8d4a1ff0141cac6a7ee3a39868284d9999409911832904ae31