[INFO] cloning repository https://github.com/omega-800/haessig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omega-800/haessig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomega-800%2Fhaessig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomega-800%2Fhaessig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd090f2b241348ce30c7cb7f42c3cff10617754b
[INFO] testing omega-800/haessig against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomega-800%2Fhaessig" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omega-800/haessig
[INFO] finished tweaking git repo https://github.com/omega-800/haessig
[INFO] tweaked toml for git repo https://github.com/omega-800/haessig written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omega-800/haessig on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omega-800/haessig 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da57de4250bd7f15e06cf9d5e15e2cf40653594c26791dee2cefae4de187e6ec
[INFO] running `Command { std: "docker" "start" "-a" "da57de4250bd7f15e06cf9d5e15e2cf40653594c26791dee2cefae4de187e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da57de4250bd7f15e06cf9d5e15e2cf40653594c26791dee2cefae4de187e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da57de4250bd7f15e06cf9d5e15e2cf40653594c26791dee2cefae4de187e6ec", kill_on_drop: false }`
[INFO] [stdout] da57de4250bd7f15e06cf9d5e15e2cf40653594c26791dee2cefae4de187e6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078063440c2e89f39563b616a6f245ec93c4e4ba00beac3bec3116f48032da0a
[INFO] running `Command { std: "docker" "start" "-a" "078063440c2e89f39563b616a6f245ec93c4e4ba00beac3bec3116f48032da0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling clap v4.5.28
[INFO] [stderr]    Compiling haessig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parser.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Program<'a>(Vec<AST<'a>>);
[INFO] [stdout]   |            -------     ^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Program` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Call(Call<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are 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] 25 -     Call(Call<'a>),
[INFO] [stdout] 25 +     Call(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Block(Block<'a>),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are 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] 26 -     Block(Block<'a>),
[INFO] [stdout] 26 +     Block(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     FunAss(FunAss<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 47 -     FunAss(FunAss<'a>),
[INFO] [stdout] 47 +     FunAss(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     VarAss(VarAss<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 48 -     VarAss(VarAss<'a>),
[INFO] [stdout] 48 +     VarAss(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     StEx(StEx<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 49 -     StEx(StEx<'a>),
[INFO] [stdout] 49 +     StEx(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |     StEx(StEx<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 90 -     StEx(StEx<'a>),
[INFO] [stdout] 90 +     StEx(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     Prim(Prim<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 91 -     Prim(Prim<'a>),
[INFO] [stdout] 91 +     Prim(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Stmt(Stmt<'a>),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are 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] 112 -     Stmt(Stmt<'a>),
[INFO] [stdout] 112 +     Stmt(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/parser.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum AST<'a> {
[INFO] [stdout]     |          --- variant in this enum
[INFO] [stdout] 112 |     Stmt(Stmt<'a>),
[INFO] [stdout] 113 |     Expr(Expr<'a>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Str(&'a str),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are 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] 118 -     Str(&'a str),
[INFO] [stdout] 118 +     Str(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Id(&'a str),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are 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] 119 -     Id(&'a str),
[INFO] [stdout] 119 +     Id(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]    --> src/parser.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Block<'a> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     stmts: Vec<Stmt<'a>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `value` are never read
[INFO] [stdout]    --> src/parser.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub struct VarAss<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 196 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 197 |     value: Expr<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VarAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `body` are never read
[INFO] [stdout]    --> src/parser.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct FunAss<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 242 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 243 |     body: Block<'a>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `args` are never read
[INFO] [stdout]    --> src/parser.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Call<'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 284 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 285 |     args: Vec<Expr<'a>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Call` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `pos` are never read
[INFO] [stdout]    --> src/parser.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub struct Parser<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 328 |     input: &'a Tokens,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 329 |     pos: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `row`, `col`, and `message` are never read
[INFO] [stdout]    --> src/parser.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 334 |     pos: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 335 |     row: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 336 |     col: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 337 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "078063440c2e89f39563b616a6f245ec93c4e4ba00beac3bec3116f48032da0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078063440c2e89f39563b616a6f245ec93c4e4ba00beac3bec3116f48032da0a", kill_on_drop: false }`
[INFO] [stdout] 078063440c2e89f39563b616a6f245ec93c4e4ba00beac3bec3116f48032da0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4f92c4f374973789d8801a455b6c03c83fa72220186e18bf8fb6e003ca3ccf
[INFO] running `Command { std: "docker" "start" "-a" "fe4f92c4f374973789d8801a455b6c03c83fa72220186e18bf8fb6e003ca3ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling haessig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parser.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Program<'a>(Vec<AST<'a>>);
[INFO] [stdout]   |            -------     ^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Program` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Call(Call<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are 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] 25 -     Call(Call<'a>),
[INFO] [stdout] 25 +     Call(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Block(Block<'a>),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are 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] 26 -     Block(Block<'a>),
[INFO] [stdout] 26 +     Block(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     FunAss(FunAss<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 47 -     FunAss(FunAss<'a>),
[INFO] [stdout] 47 +     FunAss(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     VarAss(VarAss<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 48 -     VarAss(VarAss<'a>),
[INFO] [stdout] 48 +     VarAss(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     StEx(StEx<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 49 -     StEx(StEx<'a>),
[INFO] [stdout] 49 +     StEx(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |     StEx(StEx<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 90 -     StEx(StEx<'a>),
[INFO] [stdout] 90 +     StEx(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     Prim(Prim<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 91 -     Prim(Prim<'a>),
[INFO] [stdout] 91 +     Prim(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Stmt(Stmt<'a>),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are 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] 112 -     Stmt(Stmt<'a>),
[INFO] [stdout] 112 +     Stmt(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/parser.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum AST<'a> {
[INFO] [stdout]     |          --- variant in this enum
[INFO] [stdout] 112 |     Stmt(Stmt<'a>),
[INFO] [stdout] 113 |     Expr(Expr<'a>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Str(&'a str),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are 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] 118 -     Str(&'a str),
[INFO] [stdout] 118 +     Str(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Id(&'a str),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are 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] 119 -     Id(&'a str),
[INFO] [stdout] 119 +     Id(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]    --> src/parser.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Block<'a> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     stmts: Vec<Stmt<'a>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `value` are never read
[INFO] [stdout]    --> src/parser.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub struct VarAss<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 196 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 197 |     value: Expr<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VarAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `body` are never read
[INFO] [stdout]    --> src/parser.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct FunAss<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 242 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 243 |     body: Block<'a>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `args` are never read
[INFO] [stdout]    --> src/parser.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct Call<'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 284 |     id: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 285 |     args: Vec<Expr<'a>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Call` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `pos` are never read
[INFO] [stdout]    --> src/parser.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub struct Parser<'a> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 328 |     input: &'a Tokens,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 329 |     pos: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `row`, `col`, and `message` are never read
[INFO] [stdout]    --> src/parser.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct ParseError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 334 |     pos: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 335 |     row: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 336 |     col: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 337 |     message: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "fe4f92c4f374973789d8801a455b6c03c83fa72220186e18bf8fb6e003ca3ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4f92c4f374973789d8801a455b6c03c83fa72220186e18bf8fb6e003ca3ccf", kill_on_drop: false }`
[INFO] [stdout] fe4f92c4f374973789d8801a455b6c03c83fa72220186e18bf8fb6e003ca3ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7e0a9b37476cb4e7b9da8a4c63cf25eb57febcef3797ebac151569838512568
[INFO] running `Command { std: "docker" "start" "-a" "e7e0a9b37476cb4e7b9da8a4c63cf25eb57febcef3797ebac151569838512568", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/parser.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Program<'a>(Vec<AST<'a>>);
[INFO] [stderr]   |            -------     ^^^^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `Program` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Call(Call<'a>),
[INFO] [stderr]    |     ---- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 -     Call(Call<'a>),
[INFO] [stderr] 25 +     Call(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Block(Block<'a>),
[INFO] [stderr]    |     ----- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StEx` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 26 -     Block(Block<'a>),
[INFO] [stderr] 26 +     Block(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     FunAss(FunAss<'a>),
[INFO] [stderr]    |     ------ ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 47 -     FunAss(FunAss<'a>),
[INFO] [stderr] 47 +     FunAss(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     VarAss(VarAss<'a>),
[INFO] [stderr]    |     ------ ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 48 -     VarAss(VarAss<'a>),
[INFO] [stderr] 48 +     VarAss(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |     StEx(StEx<'a>),
[INFO] [stderr]    |     ---- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 49 -     StEx(StEx<'a>),
[INFO] [stderr] 49 +     StEx(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:90:10
[INFO] [stderr]    |
[INFO] [stderr] 90 |     StEx(StEx<'a>),
[INFO] [stderr]    |     ---- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] running 0 tests
[INFO] [stderr] 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] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 90 -     StEx(StEx<'a>),
[INFO] [stdout] 
[INFO] [stderr] 90 +     StEx(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 |     Prim(Prim<'a>),
[INFO] [stderr]    |     ---- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 91 -     Prim(Prim<'a>),
[INFO] [stderr] 91 +     Prim(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser.rs:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 |     Stmt(Stmt<'a>),
[INFO] [stderr]     |     ---- ^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 112 -     Stmt(Stmt<'a>),
[INFO] [stderr] 112 +     Stmt(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Expr` is never constructed
[INFO] [stderr]    --> src/parser.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub enum AST<'a> {
[INFO] [stderr]     |          --- variant in this enum
[INFO] [stderr] 112 |     Stmt(Stmt<'a>),
[INFO] [stderr] 113 |     Expr(Expr<'a>),
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AST` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |     Str(&'a str),
[INFO] [stderr]     |     --- ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 118 -     Str(&'a str),
[INFO] [stderr] 118 +     Str(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Id(&'a str),
[INFO] [stderr]     |     -- ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Prim` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 119 -     Id(&'a str),
[INFO] [stderr] 119 +     Id(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `stmts` is never read
[INFO] [stderr]    --> src/parser.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub struct Block<'a> {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 150 |     stmts: Vec<Stmt<'a>>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `value` are never read
[INFO] [stderr]    --> src/parser.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 195 | pub struct VarAss<'a> {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 196 |     id: &'a str,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 197 |     value: Expr<'a>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `VarAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `body` are never read
[INFO] [stderr]    --> src/parser.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 241 | pub struct FunAss<'a> {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 242 |     id: &'a str,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 243 |     body: Block<'a>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FunAss` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `args` are never read
[INFO] [stderr]    --> src/parser.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub struct Call<'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 284 |     id: &'a str,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 285 |     args: Vec<Expr<'a>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Call` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `input` and `pos` are never read
[INFO] [stderr]    --> src/parser.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub struct Parser<'a> {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 328 |     input: &'a Tokens,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 329 |     pos: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `pos`, `row`, `col`, and `message` are never read
[INFO] [stderr]    --> src/parser.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 333 | pub struct ParseError {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 334 |     pos: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 335 |     row: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 336 |     col: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 337 |     message: String,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `haessig` (bin "haessig" test) generated 18 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/haessig-408a596ae2d810b7)
[INFO] running `Command { std: "docker" "inspect" "e7e0a9b37476cb4e7b9da8a4c63cf25eb57febcef3797ebac151569838512568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e0a9b37476cb4e7b9da8a4c63cf25eb57febcef3797ebac151569838512568", kill_on_drop: false }`
[INFO] [stdout] e7e0a9b37476cb4e7b9da8a4c63cf25eb57febcef3797ebac151569838512568
