[INFO] cloning repository https://github.com/colbyhall/toy-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colbyhall/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyhall%2Ftoy-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyhall%2Ftoy-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 750ebe04fc8970ce562641a64dbe668458cdec46 [INFO] checking colbyhall/toy-lang against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyhall%2Ftoy-lang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/colbyhall/toy-lang on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/colbyhall/toy-lang [INFO] finished tweaking git repo https://github.com/colbyhall/toy-lang [INFO] tweaked toml for git repo https://github.com/colbyhall/toy-lang written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/colbyhall/toy-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking colbyhall/toy-lang against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyhall%2Ftoy-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/colbyhall/toy-lang on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/colbyhall/toy-lang [INFO] finished tweaking git repo https://github.com/colbyhall/toy-lang [INFO] tweaked toml for git repo https://github.com/colbyhall/toy-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/colbyhall/toy-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f43321cee7aef453fc8d929e59477239603e4d1d83a4b157841a51a1aed80908 [INFO] running `Command { std: "docker" "start" "-a" "f43321cee7aef453fc8d929e59477239603e4d1d83a4b157841a51a1aed80908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f43321cee7aef453fc8d929e59477239603e4d1d83a4b157841a51a1aed80908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f43321cee7aef453fc8d929e59477239603e4d1d83a4b157841a51a1aed80908", kill_on_drop: false }` [INFO] [stdout] f43321cee7aef453fc8d929e59477239603e4d1d83a4b157841a51a1aed80908 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44713abd949c7df0a804b9a3975c82286e9efbcc68f9080d1aecbe20a6270663 [INFO] running `Command { std: "docker" "start" "-a" "44713abd949c7df0a804b9a3975c82286e9efbcc68f9080d1aecbe20a6270663", kill_on_drop: false }` [INFO] [stderr] Checking toy-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `analyzer::*` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use analyzer::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `analyzer::*` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use analyzer::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `analyzer` [INFO] [stdout] --> src/analyzer.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | let mut analyzer = Analyzer { ast }; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analyzer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/analyzer.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let mut analyzer = Analyzer { ast }; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Bang` is never constructed [INFO] [stdout] --> src/lexer.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum TokenVariant { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | Bang, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenVariant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `expression` are never read [INFO] [stdout] --> src/parser.rs:119:2 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct StructLiteralDefinition { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 119 | name: Token, [INFO] [stdout] | ^^^^ [INFO] [stdout] 120 | expression: Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StructLiteralDefinition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TypeInfo` is never used [INFO] [stdout] --> src/analyzer.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum TypeInfo {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `AnalyzerError` is never used [INFO] [stdout] --> src/analyzer.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum AnalyzerError {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Analyzer` is never constructed [INFO] [stdout] --> src/analyzer.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Analyzer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `analyze` is never used [INFO] [stdout] --> src/analyzer.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | impl Analyzer { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 12 | pub fn analyze(ast: Ast) -> Result<(), AnalyzerError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `analyzer` [INFO] [stdout] --> src/analyzer.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | let mut analyzer = Analyzer { ast }; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analyzer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/analyzer.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let mut analyzer = Analyzer { ast }; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Bang` is never constructed [INFO] [stdout] --> src/lexer.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum TokenVariant { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | Bang, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenVariant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `expression` are never read [INFO] [stdout] --> src/parser.rs:119:2 [INFO] [stdout] | [INFO] [stdout] 118 | pub struct StructLiteralDefinition { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 119 | name: Token, [INFO] [stdout] | ^^^^ [INFO] [stdout] 120 | expression: Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StructLiteralDefinition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TypeInfo` is never used [INFO] [stdout] --> src/analyzer.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum TypeInfo {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `AnalyzerError` is never used [INFO] [stdout] --> src/analyzer.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum AnalyzerError {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Analyzer` is never constructed [INFO] [stdout] --> src/analyzer.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Analyzer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `analyze` is never used [INFO] [stdout] --> src/analyzer.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | impl Analyzer { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 12 | pub fn analyze(ast: Ast) -> Result<(), AnalyzerError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "44713abd949c7df0a804b9a3975c82286e9efbcc68f9080d1aecbe20a6270663", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44713abd949c7df0a804b9a3975c82286e9efbcc68f9080d1aecbe20a6270663", kill_on_drop: false }` [INFO] [stdout] 44713abd949c7df0a804b9a3975c82286e9efbcc68f9080d1aecbe20a6270663