[INFO] updating cached repository jaemk/rc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaemk/rc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaemk/rc" "work/ex/clippy-test-run/sources/stable/gh/jaemk/rc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jaemk/rc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaemk/rc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaemk/rc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaemk/rc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99889f4e93817f951eb23df1b5f46280009f0206
[INFO] sha for GitHub repo jaemk/rc: 99889f4e93817f951eb23df1b5f46280009f0206
[INFO] validating manifest of jaemk/rc 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 jaemk/rc 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 jaemk/rc
[INFO] finished frobbing jaemk/rc
[INFO] frobbed toml for jaemk/rc written to work/ex/clippy-test-run/sources/stable/gh/jaemk/rc/Cargo.toml
[INFO] started frobbing jaemk/rc
[INFO] finished frobbing jaemk/rc
[INFO] frobbed toml for jaemk/rc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaemk/rc/Cargo.toml
[INFO] crate jaemk/rc 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 jaemk/rc 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/gh/jaemk/rc:/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] 6b73b0bafddef31f8205a554c658162ce69fe51752a1fa85b16a41336c63d760
[INFO] running `"docker" "start" "-a" "6b73b0bafddef31f8205a554c658162ce69fe51752a1fa85b16a41336c63d760"`
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking rc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | /         match self {
[INFO] [stderr] 48 | |             &Value::Num(ref n) => {
[INFO] [stderr] 49 | |                 write!(f, "<Num: {}>", n)
[INFO] [stderr] 50 | |             }
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |             }
[INFO] [stderr] 54 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 47 |         match *self {
[INFO] [stderr] 48 |             Value::Num(ref n) => {
[INFO] [stderr] 49 |                 write!(f, "<Num: {}>", n)
[INFO] [stderr] 50 |             }
[INFO] [stderr] 51 |             Value::Str(ref s) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Env`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | /     pub fn new() -> Env {
[INFO] [stderr] 169 | |         Env { stack: Stack::new(), buffers: HashMap::new() }
[INFO] [stderr] 170 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 167 | impl Default for Env {
[INFO] [stderr] 168 |     fn default() -> Self {
[INFO] [stderr] 169 |         Self::new()
[INFO] [stderr] 170 |     }
[INFO] [stderr] 171 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         .expect(&format!("Error parsing token: {:?}", token));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error parsing token: {:?}", token))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | /         match self {
[INFO] [stderr] 48 | |             &Value::Num(ref n) => {
[INFO] [stderr] 49 | |                 write!(f, "<Num: {}>", n)
[INFO] [stderr] 50 | |             }
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |             }
[INFO] [stderr] 54 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 47 |         match *self {
[INFO] [stderr] 48 |             Value::Num(ref n) => {
[INFO] [stderr] 49 |                 write!(f, "<Num: {}>", n)
[INFO] [stderr] 50 |             }
[INFO] [stderr] 51 |             Value::Str(ref s) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Env`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | /     pub fn new() -> Env {
[INFO] [stderr] 169 | |         Env { stack: Stack::new(), buffers: HashMap::new() }
[INFO] [stderr] 170 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 167 | impl Default for Env {
[INFO] [stderr] 168 |     fn default() -> Self {
[INFO] [stderr] 169 |         Self::new()
[INFO] [stderr] 170 |     }
[INFO] [stderr] 171 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         .expect(&format!("Error parsing token: {:?}", token));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error parsing token: {:?}", token))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.94s
[INFO] running `"docker" "inspect" "6b73b0bafddef31f8205a554c658162ce69fe51752a1fa85b16a41336c63d760"`
[INFO] running `"docker" "rm" "-f" "6b73b0bafddef31f8205a554c658162ce69fe51752a1fa85b16a41336c63d760"`
[INFO] [stdout] 6b73b0bafddef31f8205a554c658162ce69fe51752a1fa85b16a41336c63d760