[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] ce1b8ea401607b9e6fcafeecc3d6a0bd3ea0674e
[INFO] building ajkachnic/sandstorm against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ajkachnic/sandstorm on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ajkachnic/sandstorm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4735b90d956e7ccc6a50083d749ca663d149d495671d462af42e8a3af8af09f
[INFO] running `Command { std: "docker" "start" "-a" "e4735b90d956e7ccc6a50083d749ca663d149d495671d462af42e8a3af8af09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4735b90d956e7ccc6a50083d749ca663d149d495671d462af42e8a3af8af09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4735b90d956e7ccc6a50083d749ca663d149d495671d462af42e8a3af8af09f", kill_on_drop: false }`
[INFO] [stdout] e4735b90d956e7ccc6a50083d749ca663d149d495671d462af42e8a3af8af09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf69b5dafc94ac72727c8b11151e3362aee6096bf371b520bf2472ba527daa6b
[INFO] running `Command { std: "docker" "start" "-a" "bf69b5dafc94ac72727c8b11151e3362aee6096bf371b520bf2472ba527daa6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling owo-colors v2.1.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling supports-unicode v1.0.2
[INFO] [stderr]    Compiling supports-hyperlinks v1.2.0
[INFO] [stderr]    Compiling supports-color v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling miette-derive v3.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling textwrap v0.14.2
[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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) 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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeEnv` is never constructed
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_type`, and `get_type` are never used
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TypeEnv {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeError` is never used
[INFO] [stdout]   --> src/checker.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum TypeError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TypeResult` is never used
[INFO] [stdout]   --> src/checker.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeChecker` is never constructed
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `check_statement`, and `check_expression` are never used
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl TypeChecker {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn check_expression(&mut self, expr: Expression) -> TypeResult<Rc<TypeKind>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.86s
[INFO] running `Command { std: "docker" "inspect" "bf69b5dafc94ac72727c8b11151e3362aee6096bf371b520bf2472ba527daa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf69b5dafc94ac72727c8b11151e3362aee6096bf371b520bf2472ba527daa6b", kill_on_drop: false }`
[INFO] [stdout] bf69b5dafc94ac72727c8b11151e3362aee6096bf371b520bf2472ba527daa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b4115e0983d689e8e70a499af431b31753a796a35e0635467d58ee04c61e41
[INFO] running `Command { std: "docker" "start" "-a" "11b4115e0983d689e8e70a499af431b31753a796a35e0635467d58ee04c61e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling insta v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling miette v3.2.0
[INFO] [stderr]    Compiling criterion v0.3.5
[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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) 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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeEnv` is never constructed
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_type`, and `get_type` are never used
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TypeEnv {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeError` is never used
[INFO] [stdout]   --> src/checker.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum TypeError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TypeResult` is never used
[INFO] [stdout]   --> src/checker.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeChecker` is never constructed
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `check_statement`, and `check_expression` are never used
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl TypeChecker {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[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: 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)]` (part of `#[warn(unused)]`) 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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Operator::Asterisk => Precedence::Multiplicative,
[INFO] [stdout]    |                 ------------------ matches some of the same values
[INFO] [stdout] 40 |                 Operator::Slash => Precedence::Multiplicative,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 41 |                 Operator::Plus => Precedence::Additive,
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 42 |                 Operator::Minus => Precedence::Additive,
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                 _ => Precedence::Lowest,
[INFO] [stdout]    |                 ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeEnv` is never constructed
[INFO] [stdout]  --> src/checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TypeEnv {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_type`, and `get_type` are never used
[INFO] [stdout]   --> src/checker.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TypeEnv {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn set_type(&mut self, key: String, t: TypeKind) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_type(&self, key: &str) -> Option<Rc<TypeKind>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TypeError` is never used
[INFO] [stdout]   --> src/checker.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum TypeError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TypeResult` is never used
[INFO] [stdout]   --> src/checker.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub type TypeResult<T> = Result<T, TypeError>;
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeChecker` is never constructed
[INFO] [stdout]   --> src/checker.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct TypeChecker {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `check_statement`, and `check_expression` are never used
[INFO] [stdout]   --> src/checker.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl TypeChecker {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 68 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[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: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_is` is never used
[INFO] [stdout]    --> src/lex.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn peek_is(&mut self, check: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used
[INFO] [stdout]    --> src/parse.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn peek_is(&self, check: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn peek_slice(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn parse_assign_statement(&mut self) -> ParseResult<AssignStatement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn get_ident(&mut self) -> ParseResult<Identifier> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.99s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "11b4115e0983d689e8e70a499af431b31753a796a35e0635467d58ee04c61e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b4115e0983d689e8e70a499af431b31753a796a35e0635467d58ee04c61e41", kill_on_drop: false }`
[INFO] [stdout] 11b4115e0983d689e8e70a499af431b31753a796a35e0635467d58ee04c61e41
