[INFO] cloning repository https://github.com/ajkachnic/sandstorm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajkachnic/sandstorm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e1ef70405ddc6c77e8de1fcaf599b6cc1269c13
[INFO] testing ajkachnic/sandstorm 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%2Fajkachnic%2Fsandstorm" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajkachnic/sandstorm 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/ajkachnic/sandstorm
[INFO] finished tweaking git repo https://github.com/ajkachnic/sandstorm
[INFO] tweaked toml for git repo https://github.com/ajkachnic/sandstorm written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ajkachnic/sandstorm 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4c61794bb6317b5871d461dc5c6c3435002bf8540f348e417e7faf1a22c7632b
[INFO] running `Command { std: "docker" "start" "-a" "4c61794bb6317b5871d461dc5c6c3435002bf8540f348e417e7faf1a22c7632b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c61794bb6317b5871d461dc5c6c3435002bf8540f348e417e7faf1a22c7632b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c61794bb6317b5871d461dc5c6c3435002bf8540f348e417e7faf1a22c7632b", kill_on_drop: false }`
[INFO] [stdout] 4c61794bb6317b5871d461dc5c6c3435002bf8540f348e417e7faf1a22c7632b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 34e6783c01ad96476034fe80cad0b7bfbd81c48485fec73f36ff7658c6549b50
[INFO] running `Command { std: "docker" "start" "-a" "34e6783c01ad96476034fe80cad0b7bfbd81c48485fec73f36ff7658c6549b50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling owo-colors v2.1.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling supports-hyperlinks v1.2.0
[INFO] [stderr]    Compiling supports-color v1.3.0
[INFO] [stderr]    Compiling supports-unicode v1.0.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling miette-derive v3.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling miette v3.2.0
[INFO] [stderr]    Compiling sandstorm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/checker.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind};
[INFO] [stdout]   |                                                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut opts = Options::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeEnv`
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_type`
[INFO] [stdout]   --> src/checker.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/checker.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedFound`
[INFO] [stdout]   --> src/checker.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     ExpectedFound {
[INFO] [stdout] 42 | |         expected: Rc<TypeKind>,
[INFO] [stdout] 43 | |         found: Rc<TypeKind>,
[INFO] [stdout] 44 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UnresolvedIdentifier`
[INFO] [stdout]   --> src/checker.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     UnresolvedIdentifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `MismatchedArgsParams`
[INFO] [stdout]   --> src/checker.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     MismatchedArgsParams { args: usize, params: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `ExpectedFunction`
[INFO] [stdout]   --> src/checker.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ExpectedFunction(TypeKind),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UndefinedVariable`
[INFO] [stdout]   --> src/checker.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UndefinedVariable(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: type alias is never used: `TypeResult`
[INFO] [stdout]   --> src/checker.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeChecker`
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_statement`
[INFO] [stdout]   --> src/checker.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_expression`
[INFO] [stdout]   --> src/checker.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn check_expression(&mut self, expr: Expression) -> TypeResult<Rc<TypeKind>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.27s
[INFO] running `Command { std: "docker" "inspect" "34e6783c01ad96476034fe80cad0b7bfbd81c48485fec73f36ff7658c6549b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e6783c01ad96476034fe80cad0b7bfbd81c48485fec73f36ff7658c6549b50", kill_on_drop: false }`
[INFO] [stdout] 34e6783c01ad96476034fe80cad0b7bfbd81c48485fec73f36ff7658c6549b50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 439d18ccd227ef7d2b6198fefd62a38a00ff35f327e3d983412ec9aa9f526441
[INFO] running `Command { std: "docker" "start" "-a" "439d18ccd227ef7d2b6198fefd62a38a00ff35f327e3d983412ec9aa9f526441", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
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[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
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[INFO] [stderr]    Compiling num_cpus v1.13.0
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[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling console v0.14.1
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[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling insta v1.8.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling miette v3.2.0
[INFO] [stderr]    Compiling sandstorm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/checker.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind};
[INFO] [stdout]   |                                                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut opts = Options::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeEnv`
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_type`
[INFO] [stdout]   --> src/checker.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/checker.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedFound`
[INFO] [stdout]   --> src/checker.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     ExpectedFound {
[INFO] [stdout] 42 | |         expected: Rc<TypeKind>,
[INFO] [stdout] 43 | |         found: Rc<TypeKind>,
[INFO] [stdout] 44 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UnresolvedIdentifier`
[INFO] [stdout]   --> src/checker.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     UnresolvedIdentifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `MismatchedArgsParams`
[INFO] [stdout]   --> src/checker.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     MismatchedArgsParams { args: usize, params: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `ExpectedFunction`
[INFO] [stdout]   --> src/checker.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ExpectedFunction(TypeKind),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UndefinedVariable`
[INFO] [stdout]   --> src/checker.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UndefinedVariable(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: type alias is never used: `TypeResult`
[INFO] [stdout]   --> src/checker.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeChecker`
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_statement`
[INFO] [stdout]   --> src/checker.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_expression`
[INFO] [stdout]   --> src/checker.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn check_expression(&mut self, expr: Expression) -> TypeResult<Rc<TypeKind>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/checker.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind};
[INFO] [stdout]   |                                                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut opts = Options::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeEnv`
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_type`
[INFO] [stdout]   --> src/checker.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/checker.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedFound`
[INFO] [stdout]   --> src/checker.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     ExpectedFound {
[INFO] [stdout] 42 | |         expected: Rc<TypeKind>,
[INFO] [stdout] 43 | |         found: Rc<TypeKind>,
[INFO] [stdout] 44 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UnresolvedIdentifier`
[INFO] [stdout]   --> src/checker.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     UnresolvedIdentifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `MismatchedArgsParams`
[INFO] [stdout]   --> src/checker.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     MismatchedArgsParams { args: usize, params: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `ExpectedFunction`
[INFO] [stdout]   --> src/checker.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ExpectedFunction(TypeKind),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: variant is never constructed: `UndefinedVariable`
[INFO] [stdout]   --> src/checker.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UndefinedVariable(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/checker.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Error, 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: type alias is never used: `TypeResult`
[INFO] [stdout]   --> src/checker.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypeChecker`
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_statement`
[INFO] [stdout]   --> src/checker.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_expression`
[INFO] [stdout]   --> src/checker.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn check_expression(&mut self, expr: Expression) -> TypeResult<Rc<TypeKind>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is`
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_precedence`
[INFO] [stdout]    --> src/parse.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_slice`
[INFO] [stdout]    --> src/parse.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_assign_statement`
[INFO] [stdout]    --> src/parse.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ident`
[INFO] [stdout]    --> src/parse.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sandstorm-671c943757fee2fa)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sandstorm-94716cfc7d0f751b)
[INFO] [stderr]   Executable tests/parser.rs (/opt/rustwide/target/debug/deps/parser-be5449e649fd6d41)
[INFO] running `Command { std: "docker" "inspect" "439d18ccd227ef7d2b6198fefd62a38a00ff35f327e3d983412ec9aa9f526441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439d18ccd227ef7d2b6198fefd62a38a00ff35f327e3d983412ec9aa9f526441", kill_on_drop: false }`
[INFO] [stdout] 439d18ccd227ef7d2b6198fefd62a38a00ff35f327e3d983412ec9aa9f526441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a9d46a1070eee80bbf9c4b48047bc89574a005faedc377c76450671ebb27f2d3
[INFO] running `Command { std: "docker" "start" "-a" "a9d46a1070eee80bbf9c4b48047bc89574a005faedc377c76450671ebb27f2d3", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/parse.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 _ => Precedence::Lowest,
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_is`
[INFO] [stderr]    --> src/lex.rs:152:8
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_is`
[INFO] [stderr]    --> src/parse.rs:205:8
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_precedence`
[INFO] [stderr]    --> src/parse.rs:226:8
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_slice`
[INFO] [stderr]    --> src/parse.rs:237:8
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_assign_statement`
[INFO] [stderr]    --> src/parse.rs:302:8
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_ident`
[INFO] [stderr]    --> src/parse.rs:806:8
[INFO] [stderr]     |
[INFO] [stderr] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sandstorm` (lib) generated 7 warnings
[INFO] [stderr] warning: `sandstorm` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused import: `Type`
[INFO] [stderr]  --> src/checker.rs:1:72
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind};
[INFO] [stderr]   |                                                                        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut opts = Options::new();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TypeEnv`
[INFO] [stderr]  --> src/checker.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct TypeEnv {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/checker.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_type`
[INFO] [stderr]   --> src/checker.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_type`
[INFO] [stderr]   --> src/checker.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExpectedFound`
[INFO] [stderr]   --> src/checker.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     ExpectedFound {
[INFO] [stderr] 42 | |         expected: Rc<TypeKind>,
[INFO] [stderr] 43 | |         found: Rc<TypeKind>,
[INFO] [stderr] 44 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/checker.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[derive(Error, 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: variant is never constructed: `UnresolvedIdentifier`
[INFO] [stderr]   --> src/checker.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     UnresolvedIdentifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/checker.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[derive(Error, 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: variant is never constructed: `MismatchedArgsParams`
[INFO] [stderr]   --> src/checker.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     MismatchedArgsParams { args: usize, params: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/checker.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[derive(Error, 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: variant is never constructed: `ExpectedFunction`
[INFO] [stderr]   --> src/checker.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     ExpectedFunction(TypeKind),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/checker.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[derive(Error, 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: variant is never constructed: `UndefinedVariable`
[INFO] [stderr]   --> src/checker.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     UndefinedVariable(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/checker.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[derive(Error, 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: type alias is never used: `TypeResult`
[INFO] [stderr]   --> src/checker.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TypeChecker`
[INFO] [stderr]   --> src/checker.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | struct TypeChecker {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/checker.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_statement`
[INFO] [stderr]   --> src/checker.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_expression`
[INFO] [stderr]   --> src/checker.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn check_expression(&mut self, expr: Expression) -> TypeResult<Rc<TypeKind>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_is`
[INFO] [stderr]    --> src/lex.rs:152:8
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sandstorm` (bin "sandstorm") generated 23 warnings (6 duplicates)
[INFO] [stderr] warning: `sandstorm` (bin "sandstorm" test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sandstorm-671c943757fee2fa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lex::test_lex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sandstorm-94716cfc7d0f751b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lex::test_lex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parser.rs (/opt/rustwide/target/debug/deps/parser-be5449e649fd6d41)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_import ... ok
[INFO] [stdout] test test_if ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sandstorm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9d46a1070eee80bbf9c4b48047bc89574a005faedc377c76450671ebb27f2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d46a1070eee80bbf9c4b48047bc89574a005faedc377c76450671ebb27f2d3", kill_on_drop: false }`
[INFO] [stdout] a9d46a1070eee80bbf9c4b48047bc89574a005faedc377c76450671ebb27f2d3