[INFO] cloning repository https://github.com/rhysd/OhmaeCaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rhysd/OhmaeCaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysd%2FOhmaeCaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysd%2FOhmaeCaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b4093b9824b8ac40135b6b1da532b966b995244
[INFO] checking rhysd/OhmaeCaml/1b4093b9824b8ac40135b6b1da532b966b995244 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhysd%2FOhmaeCaml" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rhysd/OhmaeCaml
[INFO] finished tweaking git repo https://github.com/rhysd/OhmaeCaml
[INFO] tweaked toml for git repo https://github.com/rhysd/OhmaeCaml written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rhysd/OhmaeCaml on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rhysd/OhmaeCaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12561fab167d25abf7f87b47c07f339e8c4f66322062e4a2c634a5a7dcc8a498
[INFO] running `Command { std: "docker" "start" "-a" "12561fab167d25abf7f87b47c07f339e8c4f66322062e4a2c634a5a7dcc8a498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12561fab167d25abf7f87b47c07f339e8c4f66322062e4a2c634a5a7dcc8a498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12561fab167d25abf7f87b47c07f339e8c4f66322062e4a2c634a5a7dcc8a498", kill_on_drop: false }`
[INFO] [stdout] 12561fab167d25abf7f87b47c07f339e8c4f66322062e4a2c634a5a7dcc8a498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f98dac1c923c557ce1f6e236a5eb47ff75f14ef5e53a5e67fd58be972a36b1
[INFO] running `Command { std: "docker" "start" "-a" "d2f98dac1c923c557ce1f6e236a5eb47ff75f14ef5e53a5e67fd58be972a36b1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking nom v2.0.1
[INFO] [stderr]     Checking ohmae-caml v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `named_dbg`
[INFO] [stdout]   --> src/parser.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | macro_rules! named_dbg {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `named_dbg`
[INFO] [stdout]   --> src/parser.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | macro_rules! named_dbg {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/ast.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct AST {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 33 |     pub root: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AST` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]     | |         -------- fields in this struct
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Constant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op`, `lhs`, `rhs`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  91 | |         BinOpExpr {
[INFO] [stdout]     | |         --------- fields in this struct
[INFO] [stdout]  92 | |             op: BinOp,
[INFO] [stdout]     | |             ^^
[INFO] [stdout]  93 | |             lhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout]  94 | |             rhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BinOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op`, `child`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  97 | |         UnaryOpExpr {
[INFO] [stdout]     | |         ----------- fields in this struct
[INFO] [stdout]  98 | |             op: UnaryOp,
[INFO] [stdout]     | |             ^^
[INFO] [stdout]  99 | |             child: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UnaryOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `then_clause`, `else_clause`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         If {
[INFO] [stdout]     | |         -- fields in this struct
[INFO] [stdout] 103 | |             cond: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 104 | |             then_clause: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] 105 | |             else_clause: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `bound`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         Let {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 109 | |             name: String,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 110 | |             bound: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 111 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Let` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |         Var {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 115 | |             name: String,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Var` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `funcdef`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         LetRec {
[INFO] [stdout]     | |         ------ fields in this struct
[INFO] [stdout] 119 | |             funcdef: Fundef,
[INFO] [stdout]     | |             ^^^^^^^
[INFO] [stdout] 120 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LetRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `callee`, `args`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         Apply {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 124 | |             callee: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^
[INFO] [stdout] 125 | |             args: Vec<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Apply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `elems` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         Tuple {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 129 | |             elems: Vec<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `names`, `bound`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         LetTuple {
[INFO] [stdout]     | |         -------- fields in this struct
[INFO] [stdout] 133 | |             names: Vec<String>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 134 | |             bound: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 135 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LetTuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/ast.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct AST {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 33 |     pub root: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AST` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]     | |         -------- fields in this struct
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Constant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op`, `lhs`, `rhs`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  91 | |         BinOpExpr {
[INFO] [stdout]     | |         --------- fields in this struct
[INFO] [stdout]  92 | |             op: BinOp,
[INFO] [stdout]     | |             ^^
[INFO] [stdout]  93 | |             lhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout]  94 | |             rhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BinOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op`, `child`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  97 | |         UnaryOpExpr {
[INFO] [stdout]     | |         ----------- fields in this struct
[INFO] [stdout]  98 | |             op: UnaryOp,
[INFO] [stdout]     | |             ^^
[INFO] [stdout]  99 | |             child: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UnaryOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `elem`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         Array {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 139 | |             size: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 140 | |             elem: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Array` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `then_clause`, `else_clause`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         If {
[INFO] [stdout]     | |         -- fields in this struct
[INFO] [stdout] 103 | |             cond: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 104 | |             then_clause: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] 105 | |             else_clause: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `array`, `index`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Get {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 144 | |             array: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 145 | |             index: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Get` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `array`, `index`, `rhs`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |         Put {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 149 | |             array: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 150 | |             index: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 151 | |             rhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Put` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `bound`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         Let {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 109 | |             name: String,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 110 | |             bound: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 111 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Let` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]     | |         -------- field in this variant
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |         Var {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 115 | |             name: String,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Var` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `funcdef`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         LetRec {
[INFO] [stdout]     | |         ------ fields in this struct
[INFO] [stdout] 119 | |             funcdef: Fundef,
[INFO] [stdout]     | |             ^^^^^^^
[INFO] [stdout] 120 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LetRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `callee`, `args`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         Apply {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 124 | |             callee: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^^
[INFO] [stdout] 125 | |             args: Vec<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Apply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  91 | |         BinOpExpr {
[INFO] [stdout]     | |         --------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `elems` and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         Tuple {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 129 | |             elems: Vec<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  97 | |         UnaryOpExpr {
[INFO] [stdout]     | |         ----------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         If {
[INFO] [stdout]     | |         -- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `names`, `bound`, `body`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         LetTuple {
[INFO] [stdout]     | |         -------- fields in this struct
[INFO] [stdout] 133 | |             names: Vec<String>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 134 | |             bound: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 135 | |             body: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LetTuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         Let {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |         Var {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `elem`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         Array {
[INFO] [stdout]     | |         ----- fields in this struct
[INFO] [stdout] 139 | |             size: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] 140 | |             elem: Box<Expr>,
[INFO] [stdout]     | |             ^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Array` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         LetRec {
[INFO] [stdout]     | |         ------ field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `array`, `index`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Get {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 144 | |             array: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 145 | |             index: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Get` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         Apply {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         Tuple {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `array`, `index`, `rhs`, and `offset` are never read
[INFO] [stdout]    --> src/ast.rs:44:25
[INFO] [stdout]     |
[INFO] [stdout]  44 |                       pub offset: usize,
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |         Put {
[INFO] [stdout]     | |         --- fields in this struct
[INFO] [stdout] 149 | |             array: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 150 | |             index: Box<Expr>,
[INFO] [stdout]     | |             ^^^^^
[INFO] [stdout] 151 | |             rhs: Box<Expr>,
[INFO] [stdout]     | |             ^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Put` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]     | |         -------- field in this variant
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  91 | |         BinOpExpr {
[INFO] [stdout]     | |         --------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         LetTuple {
[INFO] [stdout]     | |         -------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         Array {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout]  97 | |         UnaryOpExpr {
[INFO] [stdout]     | |         ----------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Get {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         If {
[INFO] [stdout]     | |         -- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |         Put {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `params`, and `body` are never read
[INFO] [stdout]    --> src/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct Fundef {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 193 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 194 |     pub params: Vec<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 195 |     pub body: Box<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Fundef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         Let {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetOffset` is never used
[INFO] [stdout]  --> src/source.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait GetOffset {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/source.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/source.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     File(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     File(String),
[INFO] [stdout] 18 +     File(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `byte_len` and `location` are never read
[INFO] [stdout]   --> src/source.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Source {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 24 |     code: String,
[INFO] [stdout] 25 |     pub byte_len: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Source` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `position_from_offset` and `source_location` are never used
[INFO] [stdout]   --> src/source.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Source {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn position_from_offset<G: GetOffset>(&self, g: G) -> Position {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn source_location<G: GetOffset>(&self, g: G) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |         Var {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser.rs:99:16
[INFO] [stdout]     |
[INFO] [stdout]  99 |   named!(keyword<&[u8]>, do_parse!(
[INFO] [stdout]     |   -              ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |  _|
[INFO] [stdout]     | |
[INFO] [stdout] 100 | |     k: alt!(
[INFO] [stdout] 101 | |         tag!("true") |
[INFO] [stdout] 102 | |         tag!("false") |
[INFO] [stdout] ...   |
[INFO] [stdout] 111 | |     (k)
[INFO] [stdout] 112 | | ));
[INFO] [stdout]     | |  -
[INFO] [stdout]     | |  |
[INFO] [stdout]     | |__the lifetime is named here
[INFO] [stdout]     |    the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout]  99 | named!(keyword<&'a [u8]>, do_parse!(
[INFO] [stdout]     |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         LetRec {
[INFO] [stdout]     | |         ------ field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         Apply {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         Tuple {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |         LetTuple {
[INFO] [stdout]     | |         -------- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         Array {
[INFO] [stdout]     | |         ----- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         Get {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:66:24
[INFO] [stdout]     |
[INFO] [stdout]  66 |                       $m($m),
[INFO] [stdout]     |                          ^^
[INFO] [stdout] ...
[INFO] [stdout]  85 | / enum_ast_nodes! {
[INFO] [stdout]  86 | |     Expr {
[INFO] [stdout]  87 | |         Constant {
[INFO] [stdout]  88 | |             value: ConstValue,
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |         Put {
[INFO] [stdout]     | |         --- field in this variant
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `enum_ast_nodes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout]  66 -                     $m($m),
[INFO] [stdout]  66 +                     $m(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `params`, and `body` are never read
[INFO] [stdout]    --> src/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct Fundef {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 193 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 194 |     pub params: Vec<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 195 |     pub body: Box<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Fundef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetOffset` is never used
[INFO] [stdout]  --> src/source.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait GetOffset {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/source.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/source.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     File(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     File(String),
[INFO] [stdout] 18 +     File(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `byte_len` and `location` are never read
[INFO] [stdout]   --> src/source.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Source {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 24 |     code: String,
[INFO] [stdout] 25 |     pub byte_len: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Source` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `position_from_offset` and `source_location` are never used
[INFO] [stdout]   --> src/source.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Source {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn position_from_offset<G: GetOffset>(&self, g: G) -> Position {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn source_location<G: GetOffset>(&self, g: G) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser.rs:99:16
[INFO] [stdout]     |
[INFO] [stdout]  99 |   named!(keyword<&[u8]>, do_parse!(
[INFO] [stdout]     |   -              ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |  _|
[INFO] [stdout]     | |
[INFO] [stdout] 100 | |     k: alt!(
[INFO] [stdout] 101 | |         tag!("true") |
[INFO] [stdout] 102 | |         tag!("false") |
[INFO] [stdout] ...   |
[INFO] [stdout] 111 | |     (k)
[INFO] [stdout] 112 | | ));
[INFO] [stdout]     | |  -
[INFO] [stdout]     | |  |
[INFO] [stdout]     | |__the lifetime is named here
[INFO] [stdout]     |    the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout]  99 | named!(keyword<&'a [u8]>, do_parse!(
[INFO] [stdout]     |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d2f98dac1c923c557ce1f6e236a5eb47ff75f14ef5e53a5e67fd58be972a36b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f98dac1c923c557ce1f6e236a5eb47ff75f14ef5e53a5e67fd58be972a36b1", kill_on_drop: false }`
[INFO] [stdout] d2f98dac1c923c557ce1f6e236a5eb47ff75f14ef5e53a5e67fd58be972a36b1
