[INFO] updating cached repository kyleheadley/type-theory-by-trait
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kyleheadley/type-theory-by-trait
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kyleheadley/type-theory-by-trait" "work/ex/clippy-test-run/sources/stable/gh/kyleheadley/type-theory-by-trait"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kyleheadley/type-theory-by-trait'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kyleheadley/type-theory-by-trait" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kyleheadley/type-theory-by-trait"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kyleheadley/type-theory-by-trait'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73e03b3c720dcb514bb3c2a7b08f769470b91e64
[INFO] sha for GitHub repo kyleheadley/type-theory-by-trait: 73e03b3c720dcb514bb3c2a7b08f769470b91e64
[INFO] validating manifest of kyleheadley/type-theory-by-trait 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 kyleheadley/type-theory-by-trait 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 kyleheadley/type-theory-by-trait
[INFO] finished frobbing kyleheadley/type-theory-by-trait
[INFO] frobbed toml for kyleheadley/type-theory-by-trait written to work/ex/clippy-test-run/sources/stable/gh/kyleheadley/type-theory-by-trait/Cargo.toml
[INFO] started frobbing kyleheadley/type-theory-by-trait
[INFO] finished frobbing kyleheadley/type-theory-by-trait
[INFO] frobbed toml for kyleheadley/type-theory-by-trait written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kyleheadley/type-theory-by-trait/Cargo.toml
[INFO] crate kyleheadley/type-theory-by-trait 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 kyleheadley/type-theory-by-trait 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/kyleheadley/type-theory-by-trait:/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] cb679d8a240ee7cac8afa2168d9b06c222ce17a1a981ce5c9ae0a1a4d9906fa3
[INFO] running `"docker" "start" "-a" "cb679d8a240ee7cac8afa2168d9b06c222ce17a1a981ce5c9ae0a1a4d9906fa3"`
[INFO] [stderr]     Checking type-theory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/typed.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn reflect() -> String {format!("*")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"*".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: useless use of `format!`
[INFO] [stderr]  --> src/util.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("Comp")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Comp".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn reflect() -> String {format!("PolyArrow")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PolyArrow".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn reflect() -> String {format!("id()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"id()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn reflect() -> String {format!("id[]")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"id[]".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/pair.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("[]")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"[]".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reflect() -> String {format!("PairRecFm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRecFm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn reflect() -> String {format!("PairRecFn")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRecFn".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn reflect() -> String {format!("PairRec")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRec".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/abspair.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("[]")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"[]".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn reflect() -> String {format!("Product")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Product".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn reflect() -> String {format!("dfirst")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"dfirst".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reflect() -> String {format!("dfirstfm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"dfirstfm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/union.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("BOT")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"BOT".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("bot")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"bot".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn reflect() -> String {format!("CopRec")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"CopRec".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn reflect() -> String {format!("CopRecFm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"CopRecFm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/union.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | {type F=Arrow<Arrow<A,C>,Arrow<Arrow<B,C>,Arrow<Coproduct<A,B>,C>>>;}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn reflect() -> String {format!("CR0")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR0".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/union.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type T=Arrow<Arrow<A,C>,Arrow<Arrow<B,C>,Arrow<Coproduct<A,B>,C>>>;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn reflect() -> String {format!("CR1")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR1".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn reflect() -> String {format!("CR2")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR2".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/nat.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn reflect() -> String {format!("Nat")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"Nat".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn reflect() -> String {format!("0")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"0".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn reflect() -> String {format!("succ()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"succ()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn reflect() -> String {format!("pred()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"pred()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn reflect() -> String {format!(">")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `">".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn reflect() -> String {format!("≥")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"≥".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn reflect() -> String {format!("=")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"=".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn reflect() -> String {format!("+")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"+".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/bool.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn reflect() -> String {format!("Bool")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Bool".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn reflect() -> String {format!("true")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn reflect() -> String {format!("false")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"false".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn reflect() -> String {format!("or()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"or()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/fin.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn reflect() -> String {format!("fin()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"fin()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/fin.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn reflect() -> String {format!("FMax()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FMax()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/stlc/trial1.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn view() -> String {format!("unknown")}
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"unknown".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/alternates/typeenum.rs:43:70
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Typed for Not {type T=Arrow<Bool,Bool>; fn reflect() -> String {format!("not()")}}
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"not()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/alternates/typeenum.rs:68:67
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl Typed for Plus1 {type T=Arrow<Nat,Nat>; fn reflect()->String{format!("+1")}}
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^ help: consider using .to_string(): `"+1".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/alternates/subtypes.rs:94:2
[INFO] [stderr]    |
[INFO] [stderr] 94 |       fn new<A:BaseExtend,B:BaseExtend>(a:Basetype<A>,b:Basetype<B>) -> Basetype<(A,B)> where
[INFO] [stderr]    |  _____^
[INFO] [stderr] 95 | |         A::Ext: ToString, B::Ext: ToString,
[INFO] [stderr] 96 | |     {
[INFO] [stderr] 97 | |         Basetype{ data: a.data + b.data, ext: (a.ext,b.ext)}
[INFO] [stderr] 98 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn reflect() -> String {format!("BN()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"BN()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn reflect() -> String {format!("F3()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"F3()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn reflect() -> String {format!("NBN()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"NBN()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |   {type F=<BoolOrNat as Func<
[INFO] [stderr]    |  _________^
[INFO] [stderr] 56 | |     <IsGreater as Func2<Succ<Succ<Succ<Zero>>>,N>>::F
[INFO] [stderr] 57 | | >>::F;}
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn reflect() -> String {format!("T2()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"T2()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/typed.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn reflect() -> String {format!("*")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"*".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: useless use of `format!`
[INFO] [stderr]  --> src/util.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("Comp")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Comp".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn reflect() -> String {format!("PolyArrow")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PolyArrow".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn reflect() -> String {format!("id()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"id()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/util.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn reflect() -> String {format!("id[]")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"id[]".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/pair.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("[]")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"[]".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reflect() -> String {format!("PairRecFm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRecFm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn reflect() -> String {format!("PairRecFn")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRecFn".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/pair.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn reflect() -> String {format!("PairRec")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"PairRec".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/abspair.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("[]")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"[]".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: consider using .to_string(): `"()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn reflect() -> String {format!("Product")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Product".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn reflect() -> String {format!("dfirst")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"dfirst".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/abspair.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reflect() -> String {format!("dfirstfm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"dfirstfm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/union.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn reflect() -> String {format!("BOT")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"BOT".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn reflect() -> String {format!("bot")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"bot".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn reflect() -> String {format!("CopRec")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"CopRec".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn reflect() -> String {format!("CopRecFm")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"CopRecFm".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/union.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | {type F=Arrow<Arrow<A,C>,Arrow<Arrow<B,C>,Arrow<Coproduct<A,B>,C>>>;}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn reflect() -> String {format!("CR0")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR0".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/union.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type T=Arrow<Arrow<A,C>,Arrow<Arrow<B,C>,Arrow<Coproduct<A,B>,C>>>;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn reflect() -> String {format!("CR1")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR1".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/union.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn reflect() -> String {format!("CR2")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"CR2".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/nat.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn reflect() -> String {format!("Nat")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: consider using .to_string(): `"Nat".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn reflect() -> String {format!("0")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"0".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn reflect() -> String {format!("succ()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"succ()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn reflect() -> String {format!("pred()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"pred()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn reflect() -> String {format!(">")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `">".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn reflect() -> String {format!("≥")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"≥".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn reflect() -> String {format!("=")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"=".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/nat.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn reflect() -> String {format!("+")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: consider using .to_string(): `"+".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/bool.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn reflect() -> String {format!("Bool")}
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Bool".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn reflect() -> String {format!("true")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"true".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn reflect() -> String {format!("false")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"false".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/bool.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn reflect() -> String {format!("or()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"or()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/fin.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn reflect() -> String {format!("fin()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"fin()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/fin.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn reflect() -> String {format!("FMax()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"FMax()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]  --> src/stlc/trial1.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn view() -> String {format!("unknown")}
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"unknown".to_string()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/alternates/typeenum.rs:43:70
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Typed for Not {type T=Arrow<Bool,Bool>; fn reflect() -> String {format!("not()")}}
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"not()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/alternates/typeenum.rs:68:67
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl Typed for Plus1 {type T=Arrow<Nat,Nat>; fn reflect()->String{format!("+1")}}
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^ help: consider using .to_string(): `"+1".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]   --> src/alternates/subtypes.rs:94:2
[INFO] [stderr]    |
[INFO] [stderr] 94 |       fn new<A:BaseExtend,B:BaseExtend>(a:Basetype<A>,b:Basetype<B>) -> Basetype<(A,B)> where
[INFO] [stderr]    |  _____^
[INFO] [stderr] 95 | |         A::Ext: ToString, B::Ext: ToString,
[INFO] [stderr] 96 | |     {
[INFO] [stderr] 97 | |         Basetype{ data: a.data + b.data, ext: (a.ext,b.ext)}
[INFO] [stderr] 98 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn reflect() -> String {format!("BN()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"BN()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn reflect() -> String {format!("F3()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"F3()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn reflect() -> String {format!("NBN()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"NBN()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |   {type F=<BoolOrNat as Func<
[INFO] [stderr]    |  _________^
[INFO] [stderr] 56 | |     <IsGreater as Func2<Succ<Succ<Succ<Zero>>>,N>>::F
[INFO] [stderr] 57 | | >>::F;}
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn reflect() -> String {format!("T2()")}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"T2()".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "cb679d8a240ee7cac8afa2168d9b06c222ce17a1a981ce5c9ae0a1a4d9906fa3"`
[INFO] running `"docker" "rm" "-f" "cb679d8a240ee7cac8afa2168d9b06c222ce17a1a981ce5c9ae0a1a4d9906fa3"`
[INFO] [stdout] cb679d8a240ee7cac8afa2168d9b06c222ce17a1a981ce5c9ae0a1a4d9906fa3