[INFO] cloning repository https://github.com/TurtlePU/odlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TurtlePU/odlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Fodlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Fodlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd212addcf58ef0c115c503285006b7e8d847578
[INFO] checking TurtlePU/odlang against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Fodlang" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TurtlePU/odlang on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TurtlePU/odlang
[INFO] finished tweaking git repo https://github.com/TurtlePU/odlang
[INFO] tweaked toml for git repo https://github.com/TurtlePU/odlang written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/TurtlePU/odlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9ca9b9907fc0126737cd8aec0c6e28d77041253cf24887896253c890a3dc01
[INFO] running `Command { std: "docker" "start" "-a" "cd9ca9b9907fc0126737cd8aec0c6e28d77041253cf24887896253c890a3dc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9ca9b9907fc0126737cd8aec0c6e28d77041253cf24887896253c890a3dc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9ca9b9907fc0126737cd8aec0c6e28d77041253cf24887896253c890a3dc01", kill_on_drop: false }`
[INFO] [stdout] cd9ca9b9907fc0126737cd8aec0c6e28d77041253cf24887896253c890a3dc01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4254232af8c81d09d9aa6eca087e9d1a8847fa383584190ea474e030ba70ba78
[INFO] running `Command { std: "docker" "start" "-a" "4254232af8c81d09d9aa6eca087e9d1a8847fa383584190ea474e030ba70ba78", kill_on_drop: false }`
[INFO] [stderr]     Checking odlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/renamer.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         expr: ValExpr<Option<Token>, Token>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/renamer.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         data: PureFun<TLParam<Token>, Data<Option<Token>, Token>>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/ast.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Program<T, N> = Vec<Binding<T, N>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expr`
[INFO] [stdout]   --> src/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Expr(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Data(PureFun<TLParam<N>, Data<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeVar`
[INFO] [stdout]   --> src/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     TypeVar(N),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Named`
[INFO] [stdout]   --> src/ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Named(T),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Apply(Apply<Type<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Tuple(Tuple<Type<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeFun`
[INFO] [stdout]   --> src/ast.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     TypeFun(PureFun<TLParam<N>, Box<Type<T, N>>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValueFun`
[INFO] [stdout]   --> src/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     ValueFun {
[INFO] [stdout] 41 | |         from: Tuple<Type<T, N>>,
[INFO] [stdout] 42 | |         to: Box<Type<T, N>>,
[INFO] [stdout] 43 | |         effects: Vec<Type<T, N>>,
[INFO] [stdout] 44 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiplicative`
[INFO] [stdout]   --> src/ast.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Multiplicative,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Additive`
[INFO] [stdout]   --> src/ast.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Additive,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/ast.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Variable(N),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Tuple(Tuple<ValExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lambda`
[INFO] [stdout]   --> src/ast.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Lambda(Vec<Branch<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Apply(Apply<ValExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/ast.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Block(Vec<Stmt<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Just`
[INFO] [stdout]   --> src/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Just(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raise`
[INFO] [stdout]   --> src/ast.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Raise(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bind`
[INFO] [stdout]   --> src/ast.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Bind(Binding<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/ast.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Variable(N),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Tuple(Tuple<PatExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     Apply(Apply<PatExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variant`
[INFO] [stdout]    --> src/ast.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Variant(N, Tuple<Type<N, N>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]    --> src/ast.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Other(Apply<Type<N, N>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rename`
[INFO] [stdout]  --> src/renamer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn rename(program: Program<Option<Token>, Token>) -> Renamed {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Renamed`
[INFO] [stdout]   --> src/renamer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Renamed {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Given`
[INFO] [stdout]   --> src/renamer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Given(Token, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generated`
[INFO] [stdout]   --> src/renamer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Generated(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/renamer.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     last: HashMap<String, (usize, Token)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/renamer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     counter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Res`
[INFO] [stdout]   --> src/renamer.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | type Res<T> = (T, Vec<Token>);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_global`
[INFO] [stdout]   --> src/renamer.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn push_global(&mut self, name: Token) -> Option<(Token, Token)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_global`
[INFO] [stdout]   --> src/renamer.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn rename_global(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_expr`
[INFO] [stdout]   --> src/renamer.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn rename_expr(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_data`
[INFO] [stdout]   --> src/renamer.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn rename_data(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/renamer.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         expr: ValExpr<Option<Token>, Token>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/renamer.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         data: PureFun<TLParam<Token>, Data<Option<Token>, Token>>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/ast.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Program<T, N> = Vec<Binding<T, N>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expr`
[INFO] [stdout]   --> src/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Expr(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Data(PureFun<TLParam<N>, Data<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeVar`
[INFO] [stdout]   --> src/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     TypeVar(N),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Named`
[INFO] [stdout]   --> src/ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Named(T),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Apply(Apply<Type<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Tuple(Tuple<Type<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeFun`
[INFO] [stdout]   --> src/ast.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     TypeFun(PureFun<TLParam<N>, Box<Type<T, N>>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValueFun`
[INFO] [stdout]   --> src/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     ValueFun {
[INFO] [stdout] 41 | |         from: Tuple<Type<T, N>>,
[INFO] [stdout] 42 | |         to: Box<Type<T, N>>,
[INFO] [stdout] 43 | |         effects: Vec<Type<T, N>>,
[INFO] [stdout] 44 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiplicative`
[INFO] [stdout]   --> src/ast.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Multiplicative,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Additive`
[INFO] [stdout]   --> src/ast.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Additive,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/ast.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Variable(N),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Tuple(Tuple<ValExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lambda`
[INFO] [stdout]   --> src/ast.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Lambda(Vec<Branch<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Apply(Apply<ValExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/ast.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Block(Vec<Stmt<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Just`
[INFO] [stdout]   --> src/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Just(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raise`
[INFO] [stdout]   --> src/ast.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Raise(ValExpr<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bind`
[INFO] [stdout]   --> src/ast.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Bind(Binding<T, N>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]   --> src/ast.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Variable(N),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]   --> src/ast.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Tuple(Tuple<PatExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Apply`
[INFO] [stdout]   --> src/ast.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     Apply(Apply<PatExpr<T, N>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variant`
[INFO] [stdout]    --> src/ast.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Variant(N, Tuple<Type<N, N>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]    --> src/ast.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Other(Apply<Type<N, N>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rename`
[INFO] [stdout]  --> src/renamer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn rename(program: Program<Option<Token>, Token>) -> Renamed {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Renamed`
[INFO] [stdout]   --> src/renamer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Renamed {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Given`
[INFO] [stdout]   --> src/renamer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Given(Token, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generated`
[INFO] [stdout]   --> src/renamer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Generated(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/renamer.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     last: HashMap<String, (usize, Token)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/renamer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     counter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Res`
[INFO] [stdout]   --> src/renamer.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | type Res<T> = (T, Vec<Token>);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_global`
[INFO] [stdout]   --> src/renamer.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn push_global(&mut self, name: Token) -> Option<(Token, Token)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_global`
[INFO] [stdout]   --> src/renamer.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn rename_global(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_expr`
[INFO] [stdout]   --> src/renamer.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn rename_expr(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_data`
[INFO] [stdout]   --> src/renamer.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn rename_data(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "4254232af8c81d09d9aa6eca087e9d1a8847fa383584190ea474e030ba70ba78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4254232af8c81d09d9aa6eca087e9d1a8847fa383584190ea474e030ba70ba78", kill_on_drop: false }`
[INFO] [stdout] 4254232af8c81d09d9aa6eca087e9d1a8847fa383584190ea474e030ba70ba78