[INFO] cloning repository https://github.com/toy-lang/toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toy-lang/toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d636cffddd881b93445c80937f6e170af3def21
[INFO] checking toy-lang/toy against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/toy-lang/toy
[INFO] finished tweaking git repo https://github.com/toy-lang/toy
[INFO] tweaked toml for git repo https://github.com/toy-lang/toy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/toy-lang/toy on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/toy-lang/toy 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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-hyperlinks v2.1.0
[INFO] [stderr]   Downloaded logos v0.13.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded supports-color v2.0.0
[INFO] [stderr]   Downloaded supports-unicode v2.0.0
[INFO] [stderr]   Downloaded logos-codegen v0.13.0
[INFO] [stderr]   Downloaded logos-derive v0.13.0
[INFO] [stderr]   Downloaded rustix v0.38.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d46cbf34ace5cc34e9319cff31b51a06910f80910190954790b43a587b92f75e
[INFO] running `Command { std: "docker" "start" "-a" "d46cbf34ace5cc34e9319cff31b51a06910f80910190954790b43a587b92f75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46cbf34ace5cc34e9319cff31b51a06910f80910190954790b43a587b92f75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46cbf34ace5cc34e9319cff31b51a06910f80910190954790b43a587b92f75e", kill_on_drop: false }`
[INFO] [stdout] d46cbf34ace5cc34e9319cff31b51a06910f80910190954790b43a587b92f75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e79390d89f25bd888d367e93e527b72021af899fcf02b42d28ff50c992ab6b1
[INFO] running `Command { std: "docker" "start" "-a" "2e79390d89f25bd888d367e93e527b72021af899fcf02b42d28ff50c992ab6b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking unicode-ident v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking toy_codegen v0.1.0 (/opt/rustwide/workdir/toy_codegen)
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Checking toylang v0.1.4 (/opt/rustwide/workdir/toylang)
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking supports-unicode v2.0.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-color v2.0.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking toy_macros v0.1.4 (/opt/rustwide/workdir/toy_macros)
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking toyc v0.1.4 (/opt/rustwide/workdir/toyc)
[INFO] [stdout] warning: enum `LogosToken` is never used
[INFO] [stdout]  --> toyc/src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum LogosToken {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenStream` is never constructed
[INFO] [stdout]    --> toyc/src/lexer.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct TokenStream<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]    --> toyc/src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn lex<'a>(input: &'a str) -> TokenStream<'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> toyc/src/parser/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 12 |     pub fn parse(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parse` is never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Parse: Sized {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseStream` is never constructed
[INFO] [stdout]   --> toyc/src/parser/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ParseStream {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `peek`, `fork`, and `new` are never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl ParseStream {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn parse<T: Parse>(&mut self) -> Result<T, SyntaxError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek<T: Parse>(&self) -> Result<T, SyntaxError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn fork(&self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn new(mut ts: TokenStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SyntaxError` is never constructed
[INFO] [stdout]   --> toyc/src/parser/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `custom`, `expected`, and `unexpected_eoi` are never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 76 |     pub fn custom(s: String) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn expected(expected: String, got: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn unexpected_eoi() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SyntaxErrorType` is never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum SyntaxErrorType {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]    --> toyc/src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn lex<'a>(input: &'a str) -> TokenStream<'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> toyc/src/parser/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 12 |     pub fn parse(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek` and `fork` are never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl ParseStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek<T: Parse>(&self) -> Result<T, SyntaxError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn fork(&self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err_ty` is never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 72 |     err_ty: SyntaxErrorType
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `custom` is never used
[INFO] [stdout]   --> toyc/src/parser/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn custom(s: String) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Expected(String, Option<String>),
[INFO] [stdout]    |     -------- ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 -     Expected(String, Option<String>),
[INFO] [stdout] 88 +     Expected((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> toyc/src/parser/mod.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum SyntaxErrorType {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 88 |     Expected(String, Option<String>),
[INFO] [stdout] 89 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "2e79390d89f25bd888d367e93e527b72021af899fcf02b42d28ff50c992ab6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e79390d89f25bd888d367e93e527b72021af899fcf02b42d28ff50c992ab6b1", kill_on_drop: false }`
[INFO] [stdout] 2e79390d89f25bd888d367e93e527b72021af899fcf02b42d28ff50c992ab6b1
