[INFO] cloning repository https://github.com/Ysoding/monkey-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ysoding/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsoding%2Fmonkey-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsoding%2Fmonkey-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6ddd3de7e7667a2d1e2da910a44502e2612cac5 [INFO] checking Ysoding/monkey-rust against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYsoding%2Fmonkey-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Ysoding/monkey-rust [INFO] finished tweaking git repo https://github.com/Ysoding/monkey-rust [INFO] tweaked toml for git repo https://github.com/Ysoding/monkey-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Ysoding/monkey-rust on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Ysoding/monkey-rust 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded users v0.11.0 [INFO] [stderr] Downloaded libc v0.2.156 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58c22fb6b145bfbbc22d3f575b456349ed0234059866a1a93b39acd913e91ff6 [INFO] running `Command { std: "docker" "start" "-a" "58c22fb6b145bfbbc22d3f575b456349ed0234059866a1a93b39acd913e91ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58c22fb6b145bfbbc22d3f575b456349ed0234059866a1a93b39acd913e91ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58c22fb6b145bfbbc22d3f575b456349ed0234059866a1a93b39acd913e91ff6", kill_on_drop: false }` [INFO] [stdout] 58c22fb6b145bfbbc22d3f575b456349ed0234059866a1a93b39acd913e91ff6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 948da825ad877455041d019a367935cd319421883517d4ee0845fc934e1fbe8e [INFO] running `Command { std: "docker" "start" "-a" "948da825ad877455041d019a367935cd319421883517d4ee0845fc934e1fbe8e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.156 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking monkey-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stdout] warning: unused import: `ExpressionStatement` [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:7:63 [INFO] [stdout] | [INFO] [stdout] 7 | ArrayLiteral, BlockStatement, CallExpression, Expression, ExpressionStatement, FunctionLiteral, [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 import: `ExpressionStatement` [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:7:63 [INFO] [stdout] | [INFO] [stdout] 7 | ArrayLiteral, BlockStatement, CallExpression, Expression, ExpressionStatement, FunctionLiteral, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ModifierFunc` is never used [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:420:6 [INFO] [stdout] | [INFO] [stdout] 420 | type ModifierFunc = fn(Box) -> Box; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `modify` is never used [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:422:4 [INFO] [stdout] | [INFO] [stdout] 422 | fn modify(node: Box, modifier: ModifierFunc) -> Box { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> interpreter/src/evaluator/object.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 16 | Builtin(String, usize, BuiltinFunction), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> interpreter/src/parser/mod.rs:42:37 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn new(l: &'a mut Lexer) -> Parser { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 42 | pub fn new(l: &'a mut Lexer) -> Parser<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected` [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:522:21 [INFO] [stdout] | [INFO] [stdout] 522 | for (input, expected) in tests { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `modified` [INFO] [stdout] --> interpreter/src/evaluator/mod.rs:523:17 [INFO] [stdout] | [INFO] [stdout] 523 | let modified = modify(input, turn_one_into_two); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modified` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> interpreter/src/evaluator/object.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 16 | Builtin(String, usize, BuiltinFunction), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> interpreter/src/parser/mod.rs:42:37 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn new(l: &'a mut Lexer) -> Parser { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 42 | pub fn new(l: &'a mut Lexer) -> Parser<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "948da825ad877455041d019a367935cd319421883517d4ee0845fc934e1fbe8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "948da825ad877455041d019a367935cd319421883517d4ee0845fc934e1fbe8e", kill_on_drop: false }` [INFO] [stdout] 948da825ad877455041d019a367935cd319421883517d4ee0845fc934e1fbe8e