[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] checking uwulasm/lang-template against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwulasm%2Flang-template" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/uwulasm/lang-template on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ariadne v0.5.1 [INFO] [stderr] Downloaded chumsky v0.10.1 [INFO] [stderr] Downloaded regex-automata v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce74ce1b470437dd9b9d4095e95f5d1784c0712faa9c07fabf9f20145e1251e8 [INFO] running `Command { std: "docker" "start" "-a" "ce74ce1b470437dd9b9d4095e95f5d1784c0712faa9c07fabf9f20145e1251e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce74ce1b470437dd9b9d4095e95f5d1784c0712faa9c07fabf9f20145e1251e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce74ce1b470437dd9b9d4095e95f5d1784c0712faa9c07fabf9f20145e1251e8", kill_on_drop: false }` [INFO] [stdout] ce74ce1b470437dd9b9d4095e95f5d1784c0712faa9c07fabf9f20145e1251e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6311029cfb1791ad9e8694043bc72db567c74c3cf8bff6f5396485a56d5a3294 [INFO] running `Command { std: "docker" "start" "-a" "6311029cfb1791ad9e8694043bc72db567c74c3cf8bff6f5396485a56d5a3294", kill_on_drop: false }` [INFO] [stderr] Compiling find-msvc-tools v0.1.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Compiling chumsky v0.10.1 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Checking ariadne v0.5.1 [INFO] [stderr] Compiling cc v1.2.35 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Checking 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] [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 8.69s [INFO] running `Command { std: "docker" "inspect" "6311029cfb1791ad9e8694043bc72db567c74c3cf8bff6f5396485a56d5a3294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6311029cfb1791ad9e8694043bc72db567c74c3cf8bff6f5396485a56d5a3294", kill_on_drop: false }` [INFO] [stdout] 6311029cfb1791ad9e8694043bc72db567c74c3cf8bff6f5396485a56d5a3294