[INFO] cloning repository https://github.com/uwulasm/lang-template [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uwulasm/lang-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwulasm%2Flang-template", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwulasm%2Flang-template'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17d3186539a50589a050ad3865bc02f679d72613 [INFO] testing uwulasm/lang-template against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwulasm%2Flang-template" "/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/uwulasm/lang-template [INFO] finished tweaking git repo https://github.com/uwulasm/lang-template [INFO] tweaked toml for git repo https://github.com/uwulasm/lang-template written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/uwulasm/lang-template on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/uwulasm/lang-template 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" "+beta-2025-09-21" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing uwulasm/lang-template against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwulasm%2Flang-template" "/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/uwulasm/lang-template [INFO] finished tweaking git repo https://github.com/uwulasm/lang-template [INFO] tweaked toml for git repo https://github.com/uwulasm/lang-template written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/uwulasm/lang-template on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/uwulasm/lang-template 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" "+beta-2025-09-21" "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 stacker v0.1.21 [INFO] [stderr] Downloaded find-msvc-tools v0.1.0 [INFO] [stderr] Downloaded psm v0.1.26 [INFO] [stderr] Downloaded ariadne v0.5.1 [INFO] [stderr] Downloaded cc v1.2.35 [INFO] [stderr] Downloaded chumsky v0.10.1 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84154e416627991a1f9f8ba76916cdf05b10d87db5d09192be9073f480f79534 [INFO] running `Command { std: "docker" "start" "-a" "84154e416627991a1f9f8ba76916cdf05b10d87db5d09192be9073f480f79534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84154e416627991a1f9f8ba76916cdf05b10d87db5d09192be9073f480f79534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84154e416627991a1f9f8ba76916cdf05b10d87db5d09192be9073f480f79534", kill_on_drop: false }` [INFO] [stdout] 84154e416627991a1f9f8ba76916cdf05b10d87db5d09192be9073f480f79534 [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5b6d2ce6b4b595a82c10528282dde496a639153793b0c591a2cfd3a3d6867ef [INFO] running `Command { std: "docker" "start" "-a" "b5b6d2ce6b4b595a82c10528282dde496a639153793b0c591a2cfd3a3d6867ef", kill_on_drop: false }` [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling find-msvc-tools v0.1.0 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling chumsky v0.10.1 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling yansi v1.0.1 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Compiling cc v1.2.35 [INFO] [stderr] Compiling ariadne v0.5.1 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Compiling chumskytest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 50 | Statement::Print(expr) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | Statement::Expr(expr) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 57 | Statement::If(expr, block) => { [INFO] [stdout] | -------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 70 | Statement::While(expr, block) => { [INFO] [stdout] | ----------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 102 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 4 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: unused variable: `x` [INFO] [stdout] --> src/main.rs:206:32 [INFO] [stdout] | [INFO] [stdout] 206 | Value::Function(_, x) => unreachable!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:215:32 [INFO] [stdout] | [INFO] [stdout] 215 | Value::Function(_, x) => print!("function {{ ... }}"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 19 | Number(u32), [INFO] [stdout] 20 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.94s [INFO] running `Command { std: "docker" "inspect" "b5b6d2ce6b4b595a82c10528282dde496a639153793b0c591a2cfd3a3d6867ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5b6d2ce6b4b595a82c10528282dde496a639153793b0c591a2cfd3a3d6867ef", kill_on_drop: false }` [INFO] [stdout] b5b6d2ce6b4b595a82c10528282dde496a639153793b0c591a2cfd3a3d6867ef [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd6c694e75ba79da0e82d6f7cdc90733e1b6d4291b5f61855017f77ba7c41cb6 [INFO] running `Command { std: "docker" "start" "-a" "bd6c694e75ba79da0e82d6f7cdc90733e1b6d4291b5f61855017f77ba7c41cb6", kill_on_drop: false }` [INFO] [stderr] Compiling chumskytest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 50 | Statement::Print(expr) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | Statement::Expr(expr) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 57 | Statement::If(expr, block) => { [INFO] [stdout] | -------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 70 | Statement::While(expr, block) => { [INFO] [stdout] | ----------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 102 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 4 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: unused variable: `x` [INFO] [stdout] --> src/main.rs:206:32 [INFO] [stdout] | [INFO] [stdout] 206 | Value::Function(_, x) => unreachable!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:215:32 [INFO] [stdout] | [INFO] [stdout] 215 | Value::Function(_, x) => print!("function {{ ... }}"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `String` is never constructed [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 19 | Number(u32), [INFO] [stdout] 20 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `Command { std: "docker" "inspect" "bd6c694e75ba79da0e82d6f7cdc90733e1b6d4291b5f61855017f77ba7c41cb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd6c694e75ba79da0e82d6f7cdc90733e1b6d4291b5f61855017f77ba7c41cb6", kill_on_drop: false }` [INFO] [stdout] bd6c694e75ba79da0e82d6f7cdc90733e1b6d4291b5f61855017f77ba7c41cb6 [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 39bddefc9dce4a7f6f3c5ff0d5d00604be1d21d3ba79c8a54e8c835e4753238a [INFO] running `Command { std: "docker" "start" "-a" "39bddefc9dce4a7f6f3c5ff0d5d00604be1d21d3ba79c8a54e8c835e4753238a", kill_on_drop: false }` [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 102 | _ => unreachable!(), [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/main.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 50 | Statement::Print(expr) => { [INFO] [stderr] | ---------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 54 | Statement::Expr(expr) => { [INFO] [stderr] | --------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 57 | Statement::If(expr, block) => { [INFO] [stderr] | -------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 70 | Statement::While(expr, block) => { [INFO] [stderr] | ----------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 102 | _ => unreachable!(), [INFO] [stderr] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:206:32 [INFO] [stderr] | [INFO] [stderr] 206 | Value::Function(_, x) => unreachable!(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:215:32 [INFO] [stderr] | [INFO] [stderr] 215 | Value::Function(_, x) => print!("function {{ ... }}"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variant `String` is never constructed [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 18 | enum Expr { [INFO] [stderr] | ---- variant in this enum [INFO] [stderr] 19 | Number(u32), [INFO] [stderr] 20 | String(String), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `chumskytest` (bin "chumskytest" test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chumskytest-88e8886276cd2c48) [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" "39bddefc9dce4a7f6f3c5ff0d5d00604be1d21d3ba79c8a54e8c835e4753238a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39bddefc9dce4a7f6f3c5ff0d5d00604be1d21d3ba79c8a54e8c835e4753238a", kill_on_drop: false }` [INFO] [stdout] 39bddefc9dce4a7f6f3c5ff0d5d00604be1d21d3ba79c8a54e8c835e4753238a