[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/toy-lang/toy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ca2bca041fe73e60d263025b50eed3c4fdb97f6dc7a1db4c7105b27d67c0b32 [INFO] running `Command { std: "docker" "start" "-a" "4ca2bca041fe73e60d263025b50eed3c4fdb97f6dc7a1db4c7105b27d67c0b32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ca2bca041fe73e60d263025b50eed3c4fdb97f6dc7a1db4c7105b27d67c0b32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ca2bca041fe73e60d263025b50eed3c4fdb97f6dc7a1db4c7105b27d67c0b32", kill_on_drop: false }` [INFO] [stdout] 4ca2bca041fe73e60d263025b50eed3c4fdb97f6dc7a1db4c7105b27d67c0b32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 372c7f698d78a93d08a8407c6879e3e5bcbf59b5691d5256489fad5ec92e4947 [INFO] running `Command { std: "docker" "start" "-a" "372c7f698d78a93d08a8407c6879e3e5bcbf59b5691d5256489fad5ec92e4947", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling rustix v0.38.7 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking proc-macro2 v1.0.66 [INFO] [stderr] Checking is_ci v1.1.1 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking textwrap v0.15.2 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking tests v0.1.0 (/opt/rustwide/workdir/tests) [INFO] [stderr] Checking toy_codegen v0.1.0 (/opt/rustwide/workdir/toy_codegen) [INFO] [stderr] Checking toylang v0.1.4 (/opt/rustwide/workdir/toylang) [INFO] [stderr] Checking quote v1.0.32 [INFO] [stderr] Compiling cc v1.0.82 [INFO] [stderr] Checking syn v2.0.28 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking supports-unicode v2.0.0 [INFO] [stderr] Checking supports-color v2.0.0 [INFO] [stderr] Checking supports-hyperlinks v2.1.0 [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] Compiling thiserror-impl v1.0.44 [INFO] [stderr] Compiling miette-derive v5.10.0 [INFO] [stderr] Checking backtrace-ext v0.2.1 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking miette v5.10.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking toyc v0.1.4 (/opt/rustwide/workdir/toyc) [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] = note: `#[warn(dead_code)]` on by default [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: 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(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn peek(&self) -> Result { [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: 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), [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((), ()), [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), [INFO] [stdout] 89 | Custom(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [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)]` 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(&self) -> Result { [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), [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((), ()), [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), [INFO] [stdout] 89 | Custom(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.43s [INFO] running `Command { std: "docker" "inspect" "372c7f698d78a93d08a8407c6879e3e5bcbf59b5691d5256489fad5ec92e4947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "372c7f698d78a93d08a8407c6879e3e5bcbf59b5691d5256489fad5ec92e4947", kill_on_drop: false }` [INFO] [stdout] 372c7f698d78a93d08a8407c6879e3e5bcbf59b5691d5256489fad5ec92e4947