[INFO] updating cached repository huwsun/Simple_Interactive_Interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huwsun/Simple_Interactive_Interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/Simple_Interactive_Interpreter" "work/ex/clippy-test-run/sources/stable/gh/huwsun/Simple_Interactive_Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/huwsun/Simple_Interactive_Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/Simple_Interactive_Interpreter" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/huwsun/Simple_Interactive_Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/huwsun/Simple_Interactive_Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df9d62c13133762414aa64ccc222de8ee7a690c2
[INFO] sha for GitHub repo huwsun/Simple_Interactive_Interpreter: df9d62c13133762414aa64ccc222de8ee7a690c2
[INFO] validating manifest of huwsun/Simple_Interactive_Interpreter 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 huwsun/Simple_Interactive_Interpreter 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 huwsun/Simple_Interactive_Interpreter
[INFO] finished frobbing huwsun/Simple_Interactive_Interpreter
[INFO] frobbed toml for huwsun/Simple_Interactive_Interpreter written to work/ex/clippy-test-run/sources/stable/gh/huwsun/Simple_Interactive_Interpreter/Cargo.toml
[INFO] started frobbing huwsun/Simple_Interactive_Interpreter
[INFO] finished frobbing huwsun/Simple_Interactive_Interpreter
[INFO] frobbed toml for huwsun/Simple_Interactive_Interpreter written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/huwsun/Simple_Interactive_Interpreter/Cargo.toml
[INFO] crate huwsun/Simple_Interactive_Interpreter 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 huwsun/Simple_Interactive_Interpreter against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/huwsun/Simple_Interactive_Interpreter:/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] 18269e0ce2578167dd66941a0fb9a5335afbba26112508233df5b1e9d7758a2a
[INFO] running `"docker" "start" "-a" "18269e0ce2578167dd66941a0fb9a5335afbba26112508233df5b1e9d7758a2a"`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/interpreter.rs:200:43
[INFO] [stderr]     |
[INFO] [stderr] 200 |         Parser { lexer: lexer.peekable(), funcs: funcs }
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: replace it with: `funcs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/interpreter.rs:200:43
[INFO] [stderr]     |
[INFO] [stderr] 200 |         Parser { lexer: lexer.peekable(), funcs: funcs }
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: replace it with: `funcs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 | use interpreter::{Interpreter,Lexer};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 | use interpreter::{Interpreter,Lexer};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/interpreter.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             ret.map(|x| Some(x))
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: remove closure as shown: `Some`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/interpreter.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 .cloned().ok_or(format!("unknown variable `{}`", name)),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("unknown variable `{}`", name))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/interpreter.rs:68:31
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     .cloned().ok_or(format!("unknown function `{}`", name))?;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("unknown function `{}`", name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/interpreter.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     return Err(format!("duplicate arguments"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"duplicate arguments".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/interpreter.rs:206:23
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 match op.clone() {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: try dereferencing it: `*op`
[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: redundant closure found
[INFO] [stderr]   --> src/interpreter.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             ret.map(|x| Some(x))
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: remove closure as shown: `Some`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/interpreter.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 .cloned().ok_or(format!("unknown variable `{}`", name)),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("unknown variable `{}`", name))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/interpreter.rs:68:31
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     .cloned().ok_or(format!("unknown function `{}`", name))?;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("unknown function `{}`", name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/interpreter.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     return Err(format!("duplicate arguments"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"duplicate arguments".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/interpreter.rs:206:23
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 match op.clone() {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: try dereferencing it: `*op`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "18269e0ce2578167dd66941a0fb9a5335afbba26112508233df5b1e9d7758a2a"`
[INFO] running `"docker" "rm" "-f" "18269e0ce2578167dd66941a0fb9a5335afbba26112508233df5b1e9d7758a2a"`
[INFO] [stdout] 18269e0ce2578167dd66941a0fb9a5335afbba26112508233df5b1e9d7758a2a