[INFO] cloning repository https://github.com/alekratz/file-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alekratz/file-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Ffile-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Ffile-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e07753049d39882ee6e9715867c02e3ff86bbdd
[INFO] testing alekratz/file-lang against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Ffile-lang" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alekratz/file-lang on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alekratz/file-lang
[INFO] finished tweaking git repo https://github.com/alekratz/file-lang
[INFO] tweaked toml for git repo https://github.com/alekratz/file-lang written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/alekratz/file-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c122d4bb5ef90ffe987e5d96bae4db114e632339bc52619272225d01110e31f7
[INFO] running `Command { std: "docker" "start" "-a" "c122d4bb5ef90ffe987e5d96bae4db114e632339bc52619272225d01110e31f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c122d4bb5ef90ffe987e5d96bae4db114e632339bc52619272225d01110e31f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c122d4bb5ef90ffe987e5d96bae4db114e632339bc52619272225d01110e31f7", kill_on_drop: false }`
[INFO] [stdout] c122d4bb5ef90ffe987e5d96bae4db114e632339bc52619272225d01110e31f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 693933c60f877ea220364a2f206040d2005d77d3532c354f83d6ed2c19f8cc92
[INFO] running `Command { std: "docker" "start" "-a" "693933c60f877ea220364a2f206040d2005d77d3532c354f83d6ed2c19f8cc92", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling shrinkwraprs v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling file-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vm::fun::*`
[INFO] [stdout]  --> src/compile/constant.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fun::*`
[INFO] [stdout]  --> src/compile/translate/constant.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::prelude::*`
[INFO] [stdout]  --> src/vm/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     common::prelude::*,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/vm/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/vm/state.rs:44:52
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/common/span.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mapping`
[INFO] [stdout]  --> src/common/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/common/util.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/common/util.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_binding_name`
[INFO] [stdout]    --> src/syn/ast.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_binding_name`
[INFO] [stdout]    --> src/syn/ast.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/syn/lexer.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_ops`
[INFO] [stdout]   --> src/syn/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `curr_text`
[INFO] [stdout]   --> src/syn/parser.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/syn/parser.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `un_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     un_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     bin_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `assign_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     assign_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]   --> src/compile/builtins.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     functions: HashMap<Binding, BuiltinFun>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `types`
[INFO] [stdout]   --> src/compile/builtins.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     types: HashMap<Binding, BuiltinType>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_bindings`
[INFO] [stdout]   --> src/compile/builtins.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     type_bindings: HashMap<TypeId, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `un_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_un_op`
[INFO] [stdout]   --> src/compile/builtins.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bin_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_bin_op`
[INFO] [stdout]   --> src/compile/builtins.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `functions`
[INFO] [stdout]   --> src/compile/builtins.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_function`
[INFO] [stdout]   --> src/compile/builtins.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `types`
[INFO] [stdout]   --> src/compile/builtins.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_type`
[INFO] [stdout]   --> src/compile/builtins.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/compile/builtins.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR`
[INFO] [stdout]   --> src/compile/builtins.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub const REPR: &str = "__repr__";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `main_function_ref`
[INFO] [stdout]   --> src/vm/artifact.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `constants`
[INFO] [stdout]   --> src/vm/artifact.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `main_function`
[INFO] [stdout]   --> src/vm/artifact.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Partial`
[INFO] [stdout]   --> src/vm/fun.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Fun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/vm/fun.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     binding: Binding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arity`
[INFO] [stdout]   --> src/vm/fun.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     arity: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binding`
[INFO] [stdout]   --> src/vm/fun.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arity`
[INFO] [stdout]   --> src/vm/fun.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn arity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/vm/fun.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fun`
[INFO] [stdout]    --> src/vm/fun.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binding`
[INFO] [stdout]    --> src/vm/fun.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constants_end`
[INFO] [stdout]   --> src/vm/storage.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     constants_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_frame`
[INFO] [stdout]   --> src/vm/storage.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_frames`
[INFO] [stdout]   --> src/vm/storage.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `return_register`
[INFO] [stdout]   --> src/vm/storage.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unset_return_register`
[INFO] [stdout]   --> src/vm/storage.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/vm/storage.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]  --> src/compile/context/ir.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     text: &'t str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `IrCtx` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/compile/context/ir.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_constant`
[INFO] [stdout]   --> src/compile/context/ir.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/compile/context/ir.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_type`
[INFO] [stdout]   --> src/compile/translate/ir.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_fun`
[INFO] [stdout]   --> src/compile/translate/ir.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "693933c60f877ea220364a2f206040d2005d77d3532c354f83d6ed2c19f8cc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693933c60f877ea220364a2f206040d2005d77d3532c354f83d6ed2c19f8cc92", kill_on_drop: false }`
[INFO] [stdout] 693933c60f877ea220364a2f206040d2005d77d3532c354f83d6ed2c19f8cc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1582a5ddefd62b76f34968c8754d78dbf6303cdea050e4454356c480c4d3fb00
[INFO] running `Command { std: "docker" "start" "-a" "1582a5ddefd62b76f34968c8754d78dbf6303cdea050e4454356c480c4d3fb00", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vm::fun::*`
[INFO] [stdout]  --> src/compile/constant.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fun::*`
[INFO] [stdout]  --> src/compile/translate/constant.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::prelude::*`
[INFO] [stdout]  --> src/vm/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     common::prelude::*,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/vm/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/vm/state.rs:44:52
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/common/span.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mapping`
[INFO] [stdout]  --> src/common/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/common/util.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/common/util.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binary_binding_name`
[INFO] [stdout]    --> src/syn/ast.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unary_binding_name`
[INFO] [stdout]    --> src/syn/ast.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/syn/lexer.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_ops`
[INFO] [stdout]   --> src/syn/parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `curr_text`
[INFO] [stdout]   --> src/syn/parser.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/syn/parser.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `un_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     un_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     bin_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `assign_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     assign_ops: HashMap<OpList, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]   --> src/compile/builtins.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     functions: HashMap<Binding, BuiltinFun>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `types`
[INFO] [stdout]   --> src/compile/builtins.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     types: HashMap<Binding, BuiltinType>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_bindings`
[INFO] [stdout]   --> src/compile/builtins.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     type_bindings: HashMap<TypeId, Binding>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compile/builtins.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `un_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_un_op`
[INFO] [stdout]   --> src/compile/builtins.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bin_ops`
[INFO] [stdout]   --> src/compile/builtins.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_bin_op`
[INFO] [stdout]   --> src/compile/builtins.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `functions`
[INFO] [stdout]   --> src/compile/builtins.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_function`
[INFO] [stdout]   --> src/compile/builtins.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `types`
[INFO] [stdout]   --> src/compile/builtins.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_type`
[INFO] [stdout]   --> src/compile/builtins.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/compile/builtins.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR`
[INFO] [stdout]   --> src/compile/builtins.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub const REPR: &str = "__repr__";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `main_function_ref`
[INFO] [stdout]   --> src/vm/artifact.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `constants`
[INFO] [stdout]   --> src/vm/artifact.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `main_function`
[INFO] [stdout]   --> src/vm/artifact.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Partial`
[INFO] [stdout]   --> src/vm/fun.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Fun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/vm/fun.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     binding: Binding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arity`
[INFO] [stdout]   --> src/vm/fun.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     arity: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm/fun.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binding`
[INFO] [stdout]   --> src/vm/fun.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arity`
[INFO] [stdout]   --> src/vm/fun.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn arity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/vm/fun.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fun`
[INFO] [stdout]    --> src/vm/fun.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `binding`
[INFO] [stdout]    --> src/vm/fun.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constants_end`
[INFO] [stdout]   --> src/vm/storage.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     constants_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_frame`
[INFO] [stdout]   --> src/vm/storage.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_frames`
[INFO] [stdout]   --> src/vm/storage.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `return_register`
[INFO] [stdout]   --> src/vm/storage.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unset_return_register`
[INFO] [stdout]   --> src/vm/storage.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/vm/storage.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]  --> src/compile/context/ir.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     text: &'t str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `IrCtx` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/compile/context/ir.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_constant`
[INFO] [stdout]   --> src/compile/context/ir.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/compile/context/ir.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_type`
[INFO] [stdout]   --> src/compile/translate/ir.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_fun`
[INFO] [stdout]   --> src/compile/translate/ir.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/file_lang-d3d96678bf248c50)
[INFO] running `Command { std: "docker" "inspect" "1582a5ddefd62b76f34968c8754d78dbf6303cdea050e4454356c480c4d3fb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1582a5ddefd62b76f34968c8754d78dbf6303cdea050e4454356c480c4d3fb00", kill_on_drop: false }`
[INFO] [stdout] 1582a5ddefd62b76f34968c8754d78dbf6303cdea050e4454356c480c4d3fb00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0ac256fa42b4cbca93dfd5498643fbe19573b07391aa68ff97ed56f5dc792d1
[INFO] running `Command { std: "docker" "start" "-a" "c0ac256fa42b4cbca93dfd5498643fbe19573b07391aa68ff97ed56f5dc792d1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `vm::fun::*`
[INFO] [stderr]  --> src/compile/constant.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fun::*`
[INFO] [stderr]  --> src/compile/translate/constant.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::prelude::*`
[INFO] [stderr]  --> src/vm/state.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     common::prelude::*,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/state.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/vm/state.rs:44:52
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stderr]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/common/span.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mapping`
[INFO] [stderr]  --> src/common/util.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/common/util.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]   --> src/common/util.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/common/util.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `binary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:313:12
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:317:12
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `text`
[INFO] [stderr]   --> src/syn/lexer.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_ops`
[INFO] [stderr]   --> src/syn/parser.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `curr_text`
[INFO] [stderr]   --> src/syn/parser.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `text`
[INFO] [stderr]   --> src/syn/parser.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `un_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     un_ops: HashMap<OpList, Binding>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bin_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     bin_ops: HashMap<OpList, Binding>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `assign_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     assign_ops: HashMap<OpList, Binding>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `functions`
[INFO] [stderr]   --> src/compile/builtins.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     functions: HashMap<Binding, BuiltinFun>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `types`
[INFO] [stderr]   --> src/compile/builtins.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     types: HashMap<Binding, BuiltinType>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_bindings`
[INFO] [stderr]   --> src/compile/builtins.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     type_bindings: HashMap<TypeId, Binding>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Builtins` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compile/builtins.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `un_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_un_op`
[INFO] [stderr]   --> src/compile/builtins.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bin_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_bin_op`
[INFO] [stderr]   --> src/compile/builtins.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `functions`
[INFO] [stderr]   --> src/compile/builtins.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_function`
[INFO] [stderr]   --> src/compile/builtins.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `types`
[INFO] [stderr]   --> src/compile/builtins.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_type`
[INFO] [stderr]   --> src/compile/builtins.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_type`
[INFO] [stderr]   --> src/compile/builtins.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `REPR`
[INFO] [stderr]   --> src/compile/builtins.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub const REPR: &str = "__repr__";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `main_function_ref`
[INFO] [stderr]   --> src/vm/artifact.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `constants`
[INFO] [stderr]   --> src/vm/artifact.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `main_function`
[INFO] [stderr]   --> src/vm/artifact.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Partial`
[INFO] [stderr]   --> src/vm/fun.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Fun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/vm/fun.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `binding`
[INFO] [stderr]   --> src/vm/fun.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     binding: Binding,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/vm/fun.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arity`
[INFO] [stderr]   --> src/vm/fun.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     arity: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `UserFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/vm/fun.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `binding`
[INFO] [stderr]   --> src/vm/fun.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `arity`
[INFO] [stderr]   --> src/vm/fun.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/vm/fun.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fun`
[INFO] [stderr]    --> src/vm/fun.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `binding`
[INFO] [stderr]    --> src/vm/fun.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constants_end`
[INFO] [stderr]   --> src/vm/storage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     constants_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stack_frame`
[INFO] [stderr]   --> src/vm/storage.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stack_frames`
[INFO] [stderr]   --> src/vm/storage.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `return_register`
[INFO] [stderr]   --> src/vm/storage.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unset_return_register`
[INFO] [stderr]   --> src/vm/storage.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free`
[INFO] [stderr]    --> src/vm/storage.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `text`
[INFO] [stderr]  --> src/compile/context/ir.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     text: &'t str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `IrCtx` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/compile/context/ir.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_constant`
[INFO] [stderr]   --> src/compile/context/ir.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `text`
[INFO] [stderr]   --> src/compile/context/ir.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `translate_type`
[INFO] [stderr]   --> src/compile/translate/ir.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `translate_fun`
[INFO] [stderr]   --> src/compile/translate/ir.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stdout] running 20 tests
[INFO] [stderr] 
[INFO] [stderr] warning: `file-lang` (bin "file-lang" test) generated 54 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/file_lang-d3d96678bf248c50)
[INFO] [stdout] test syn::lexer::test::test_bin_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_hex_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_idents ... ok
[INFO] [stdout] test syn::lexer::test::test_exponents ... ok
[INFO] [stdout] test syn::lexer::test::test_dec_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_oct_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_raw_strings ... ok
[INFO] [stdout] test syn::lexer::test::test_keywords ... ok
[INFO] [stdout] test syn::lexer::test::test_real_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_strings ... ok
[INFO] [stdout] test syn::lexer::test::test_tagged_strings ... ok
[INFO] [stdout] test syn::parser::test::test_parser_access_expr ... ok
[INFO] [stdout] test syn::lexer::test::test_ops ... ok
[INFO] [stdout] test syn::parser::test::test_parser_atom ... ok
[INFO] [stdout] test syn::parser::test::test_parser_assign_stmt ... ok
[INFO] [stdout] test syn::parser::test::test_parser_bin_expr ... ok
[INFO] [stdout] test syn::parser::test::test_parser_fun_def_stmt ... ok
[INFO] [stdout] test syn::parser::test::test_parser_loops ... ok
[INFO] [stdout] test syn::parser::test::test_parser_if_stmt ... ok
[INFO] [stdout] test syn::parser::test::test_parser_un_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0ac256fa42b4cbca93dfd5498643fbe19573b07391aa68ff97ed56f5dc792d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ac256fa42b4cbca93dfd5498643fbe19573b07391aa68ff97ed56f5dc792d1", kill_on_drop: false }`
[INFO] [stdout] c0ac256fa42b4cbca93dfd5498643fbe19573b07391aa68ff97ed56f5dc792d1