[INFO] cloning repository https://github.com/wes999/emerald-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wes999/emerald-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwes999%2Femerald-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwes999%2Femerald-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc99c3721af2bcda88b107d7dc23df010cd37c04 [INFO] checking wes999/emerald-lang against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwes999%2Femerald-lang" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wes999/emerald-lang [INFO] finished tweaking git repo https://github.com/wes999/emerald-lang [INFO] tweaked toml for git repo https://github.com/wes999/emerald-lang written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wes999/emerald-lang on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wes999/emerald-lang 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ariadne v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74360047e05edd23e8f86ac3eef5485d3350bcfb52b00b915291448a43832e96 [INFO] running `Command { std: "docker" "start" "-a" "74360047e05edd23e8f86ac3eef5485d3350bcfb52b00b915291448a43832e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74360047e05edd23e8f86ac3eef5485d3350bcfb52b00b915291448a43832e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74360047e05edd23e8f86ac3eef5485d3350bcfb52b00b915291448a43832e96", kill_on_drop: false }` [INFO] [stdout] 74360047e05edd23e8f86ac3eef5485d3350bcfb52b00b915291448a43832e96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0cc812f7f64412aeb8d9af4acd379ec77c467fb4c1a037ae3025811dc7eed27 [INFO] running `Command { std: "docker" "start" "-a" "f0cc812f7f64412aeb8d9af4acd379ec77c467fb4c1a037ae3025811dc7eed27", kill_on_drop: false }` [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking ariadne v0.1.5 [INFO] [stderr] Checking emerald-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected expression, found `}` [INFO] [stdout] --> src/scanner.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | match [INFO] [stdout] | ----- while parsing this `match` expression [INFO] [stdout] 18 | } [INFO] [stdout] | ^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected expression, found `}` [INFO] [stdout] --> src/scanner.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | match [INFO] [stdout] | ----- while parsing this `match` expression [INFO] [stdout] 18 | } [INFO] [stdout] | ^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num::flt2dec::strategy::grisu::max_pow10_no_more_than` [INFO] [stdout] --> src/scanner.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num::flt2dec::strategy::grisu::max_pow10_no_more_than; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Label` and `Source` [INFO] [stdout] --> src/scanner/error.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use ariadne::{Report, ReportKind, Label, Source}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num::flt2dec::strategy::grisu::max_pow10_no_more_than` [INFO] [stdout] --> src/scanner.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num::flt2dec::strategy::grisu::max_pow10_no_more_than; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Label` and `Source` [INFO] [stdout] --> src/scanner/error.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use ariadne::{Report, ReportKind, Label, Source}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `flt2dec`: internal routines only exposed for testing [INFO] [stdout] --> src/scanner.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num::flt2dec::strategy::grisu::max_pow10_no_more_than; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(flt2dec)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-01-15; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `flt2dec`: internal routines only exposed for testing [INFO] [stdout] --> src/scanner.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num::flt2dec::strategy::grisu::max_pow10_no_more_than; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(flt2dec)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-01-15; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/scanner/error.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | Report::build(ReportKind::Error, (), 34) [INFO] [stdout] | ^^^^^^^^^^^^^ cannot infer type of the type parameter `S` declared on the struct `Report` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Span` [INFO] [stdout] help: the following types implement trait `Span` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ariadne-0.1.5/src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | impl Span for Range { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `std::ops::Range` [INFO] [stdout] ... [INFO] [stdout] 60 | impl Span for (Id, Range) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(Id, std::ops::Range)` [INFO] [stdout] note: required by a bound in `ariadne::Report` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ariadne-0.1.5/src/lib.rs:132:22 [INFO] [stdout] | [INFO] [stdout] 132 | pub struct Report> { [INFO] [stdout] | ^^^^ required by this bound in `Report` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 15 | Report::::build(ReportKind::Error, (), 34) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/scanner/error.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | Report::build(ReportKind::Error, (), 34) [INFO] [stdout] | ^^^^^^^^^^^^^ cannot infer type of the type parameter `S` declared on the struct `Report` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Span` [INFO] [stdout] help: the following types implement trait `Span` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ariadne-0.1.5/src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | impl Span for Range { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `std::ops::Range` [INFO] [stdout] ... [INFO] [stdout] 60 | impl Span for (Id, Range) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(Id, std::ops::Range)` [INFO] [stdout] note: required by a bound in `ariadne::Report` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ariadne-0.1.5/src/lib.rs:132:22 [INFO] [stdout] | [INFO] [stdout] 132 | pub struct Report> { [INFO] [stdout] | ^^^^ required by this bound in `Report` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 15 | Report::::build(ReportKind::Error, (), 34) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/scanner.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn next_char(&mut self) -> char { [INFO] [stdout] | --------- ^^^^ expected `char`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 21 | self.source.chars().collect(); [INFO] [stdout] | - help: remove this semicolon to return this value [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/scanner.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn next_char(&mut self) -> char { [INFO] [stdout] | --------- ^^^^ expected `char`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 21 | self.source.chars().collect(); [INFO] [stdout] | - help: remove this semicolon to return this value [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0283, E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0283, E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `emerald-lang` (bin "emerald-lang" test) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `emerald-lang` (bin "emerald-lang") due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f0cc812f7f64412aeb8d9af4acd379ec77c467fb4c1a037ae3025811dc7eed27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0cc812f7f64412aeb8d9af4acd379ec77c467fb4c1a037ae3025811dc7eed27", kill_on_drop: false }` [INFO] [stdout] f0cc812f7f64412aeb8d9af4acd379ec77c467fb4c1a037ae3025811dc7eed27