[INFO] cloning repository https://github.com/psincf/xi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psincf/xi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsincf%2Fxi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsincf%2Fxi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 403bae34ad71ac1fb8968643d1db25c26bd2bc03
[INFO] checking psincf/xi against master#49b3924bd4a34d3cf9c37b74120fba78d9712ab8 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsincf%2Fxi" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psincf/xi on toolchain 49b3924bd4a34d3cf9c37b74120fba78d9712ab8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psincf/xi
[INFO] finished tweaking git repo https://github.com/psincf/xi
[INFO] tweaked toml for git repo https://github.com/psincf/xi written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/psincf/xi 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" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking psincf/xi against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsincf%2Fxi" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psincf/xi on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psincf/xi
[INFO] finished tweaking git repo https://github.com/psincf/xi
[INFO] tweaked toml for git repo https://github.com/psincf/xi written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/psincf/xi 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking psincf/xi against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsincf%2Fxi" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psincf/xi on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psincf/xi
[INFO] finished tweaking git repo https://github.com/psincf/xi
[INFO] tweaked toml for git repo https://github.com/psincf/xi written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/psincf/xi 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" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dac393870477073fc8a4d0cc4a07be181d5ca000635bb51dadf3e0f21bfdd20
[INFO] running `Command { std: "docker" "start" "-a" "0dac393870477073fc8a4d0cc4a07be181d5ca000635bb51dadf3e0f21bfdd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dac393870477073fc8a4d0cc4a07be181d5ca000635bb51dadf3e0f21bfdd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dac393870477073fc8a4d0cc4a07be181d5ca000635bb51dadf3e0f21bfdd20", kill_on_drop: false }`
[INFO] [stdout] 0dac393870477073fc8a4d0cc4a07be181d5ca000635bb51dadf3e0f21bfdd20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d39e3cd4ed80a4334d66926f4b3d4de34c8a56508d37244cdc05c4634b5441
[INFO] running `Command { std: "docker" "start" "-a" "38d39e3cd4ed80a4334d66926f4b3d4de34c8a56508d37244cdc05c4634b5441", kill_on_drop: false }`
[INFO] [stderr]     Checking xi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser.rs:447:42
[INFO] [stdout]     |
[INFO] [stdout] 447 |     fn parse_fndecl(&mut self) -> Result<(FnDecl), String> {
[INFO] [stdout]     |                                          ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 447 -     fn parse_fndecl(&mut self) -> Result<(FnDecl), String> {
[INFO] [stdout] 447 +     fn parse_fndecl(&mut self) -> Result<FnDecl, String> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser.rs:447:42
[INFO] [stdout]     |
[INFO] [stdout] 447 |     fn parse_fndecl(&mut self) -> Result<(FnDecl), String> {
[INFO] [stdout]     |                                          ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 447 -     fn parse_fndecl(&mut self) -> Result<(FnDecl), String> {
[INFO] [stdout] 447 +     fn parse_fndecl(&mut self) -> Result<FnDecl, String> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_ty_kind` is never read
[INFO] [stdout]   --> src/sema/sym_second_pass.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...                   let mut new_ty_kind = params.ty.kind.clone();
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_path`
[INFO] [stdout]   --> src/sema/sym_second_pass.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn sema_check_symbols(sema: &mut SemanticAnalizer, actual_path: String, sym_table_id: SymtableId, node: &parser::Node) -> Node {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_ty_kind` is never read
[INFO] [stdout]   --> src/sema/sym_second_pass.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...                   let mut new_ty_kind = params.ty.kind.clone();
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_path`
[INFO] [stdout]   --> src/sema/sym_second_pass.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn sema_check_symbols(sema: &mut SemanticAnalizer, actual_path: String, sym_table_id: SymtableId, node: &parser::Node) -> Node {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/parser.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct ModeDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 58 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ModeDecl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/parser.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct ModeDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 58 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ModeDecl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `operator` are never read
[INFO] [stdout]   --> src/parser.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 83 |     lhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 84 |     rhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 85 |     operator: Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `operator` are never read
[INFO] [stdout]   --> src/parser.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 83 |     lhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 84 |     rhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 85 |     operator: Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `arguments` are never read
[INFO] [stdout]   --> src/parser.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 97 |     ident: Box<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 98 |     arguments: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Paren` is never constructed
[INFO] [stdout]    --> src/parser.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub enum Expr {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 107 |     Paren(Box<Expr>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/parser.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Node {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] 112 |     Expr(Expr),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `actual_token` and `next_nowh` are never used
[INFO] [stdout]    --> src/parser.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl<'a> TokenIterator<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn actual_token(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn next_nowh(&mut self) -> Option<Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]    --> src/parser.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct AstParser<'a> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 200 |     err: Vec<String>
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]   --> src/sema/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Node {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 16 |     Expr(Expr),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `VarDecl` and `Expr` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Statement {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     VarDecl(SymId, Expr),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     //ModDecl(ModeDecl),
[INFO] [stdout] 28 |     Expr(Expr)
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident`, `mutable`, and `ty` are never read
[INFO] [stdout]   --> src/sema/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Value {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 39 |     ident: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     mutable: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     ty: Ty,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `arguments` are never read
[INFO] [stdout]   --> src/parser.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 97 |     ident: Box<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 98 |     arguments: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Equal`, `Add`, `Minus`, `Multiply`, `Divide`, and `Dot` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 46 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 50 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `operator` are never read
[INFO] [stdout]   --> src/sema/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 56 |     lhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 57 |     rhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 58 |     operator: Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, and `String` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub enum Lit {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 63 |     Int(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 64 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     String(String)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `arguments` are never read
[INFO] [stdout]   --> src/sema/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 70 |     ident: Box<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 71 |     arguments: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sym`, `Literal`, `FnCall`, `Operation`, and `Paren` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 76 |     Sym(SymId),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 77 |     Literal(Lit),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 78 |     FnCall(FnCall),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     Operation(Operation),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 80 |     Paren(Box<Expr>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Paren` is never constructed
[INFO] [stdout]    --> src/parser.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub enum Expr {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 107 |     Paren(Box<Expr>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/parser.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Node {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] 112 |     Expr(Expr),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `actual_token` and `next_nowh` are never used
[INFO] [stdout]    --> src/parser.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl<'a> TokenIterator<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn actual_token(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn next_nowh(&mut self) -> Option<Token> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]    --> src/parser.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct AstParser<'a> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 200 |     err: Vec<String>
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]   --> src/sema/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Node {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 16 |     Expr(Expr),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `VarDecl` and `Expr` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Statement {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     VarDecl(SymId, Expr),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     //ModDecl(ModeDecl),
[INFO] [stdout] 28 |     Expr(Expr)
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident`, `mutable`, and `ty` are never read
[INFO] [stdout]   --> src/sema/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Value {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 39 |     ident: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     mutable: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     ty: Ty,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Equal`, `Add`, `Minus`, `Multiply`, `Divide`, and `Dot` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 46 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 50 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `operator` are never read
[INFO] [stdout]   --> src/sema/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 56 |     lhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 57 |     rhs: Box<Expr>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 58 |     operator: Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `return_type`, `body`, and `body_ast` are never read
[INFO] [stdout]    --> src/sema/mod.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct FnTy {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 140 |     pub path: String,
[INFO] [stdout] 141 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 142 |     paramaters: Vec<Param>,
[INFO] [stdout] 143 |     return_type: Ty,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 144 |     body: Vec<Node>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 145 |     body_ast: &'static Vec<parser::Node>
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FnTy` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/sema/mod.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct StructField {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 150 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructField` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]    --> src/sema/mod.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub struct EnumVariant {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 156 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 157 |     ty: Option<Ty>,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EnumVariant` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/sema/mod.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct SymTable {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 166 |     id: SymtableId,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SymTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, and `String` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub enum Lit {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 63 |     Int(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 64 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     String(String)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `arguments` are never read
[INFO] [stdout]   --> src/sema/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 70 |     ident: Box<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 71 |     arguments: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sym`, `Literal`, `FnCall`, `Operation`, and `Paren` are never constructed
[INFO] [stdout]   --> src/sema/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 76 |     Sym(SymId),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 77 |     Literal(Lit),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 78 |     FnCall(FnCall),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     Operation(Operation),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 80 |     Paren(Box<Expr>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `return_type`, `body`, and `body_ast` are never read
[INFO] [stdout]    --> src/sema/mod.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct FnTy {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 140 |     pub path: String,
[INFO] [stdout] 141 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 142 |     paramaters: Vec<Param>,
[INFO] [stdout] 143 |     return_type: Ty,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 144 |     body: Vec<Node>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 145 |     body_ast: &'static Vec<parser::Node>
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FnTy` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/sema/mod.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct StructField {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 150 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructField` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]    --> src/sema/mod.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub struct EnumVariant {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 156 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 157 |     ty: Option<Ty>,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EnumVariant` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/sema/mod.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct SymTable {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 166 |     id: SymtableId,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SymTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/sema/mod.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |             drop(sym_table);
[INFO] [stdout]     |             ^^^^^---------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut SymTable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/sema/mod.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |             drop(sym_table);
[INFO] [stdout]     |             ^^^^^---------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut SymTable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "38d39e3cd4ed80a4334d66926f4b3d4de34c8a56508d37244cdc05c4634b5441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d39e3cd4ed80a4334d66926f4b3d4de34c8a56508d37244cdc05c4634b5441", kill_on_drop: false }`
[INFO] [stdout] 38d39e3cd4ed80a4334d66926f4b3d4de34c8a56508d37244cdc05c4634b5441