[INFO] cloning repository https://github.com/vinayakdsci/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinayakdsci/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinayakdsci%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinayakdsci%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49129f6ccc5b2c9c6ec8ed43afc71740d3d85914 [INFO] checking vinayakdsci/rlox against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinayakdsci%2Frlox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vinayakdsci/rlox on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vinayakdsci/rlox [INFO] finished tweaking git repo https://github.com/vinayakdsci/rlox [INFO] tweaked toml for git repo https://github.com/vinayakdsci/rlox written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vinayakdsci/rlox 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 064a7869ca229aa82485f21d703bde55a0145d3ea4886023cc4df9d881b09fcb [INFO] running `Command { std: "docker" "start" "-a" "064a7869ca229aa82485f21d703bde55a0145d3ea4886023cc4df9d881b09fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "064a7869ca229aa82485f21d703bde55a0145d3ea4886023cc4df9d881b09fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "064a7869ca229aa82485f21d703bde55a0145d3ea4886023cc4df9d881b09fcb", kill_on_drop: false }` [INFO] [stdout] 064a7869ca229aa82485f21d703bde55a0145d3ea4886023cc4df9d881b09fcb [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec76abf63d1988faa9ac10210470d133c0456cd7ad5f83ee6745c85feb904d8f [INFO] running `Command { std: "docker" "start" "-a" "ec76abf63d1988faa9ac10210470d133c0456cd7ad5f83ee6745c85feb904d8f", kill_on_drop: false }` [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/compiler.rs:45:73 [INFO] [stdout] | [INFO] [stdout] 45 | fn advance(&mut self, source: &str, scanner: &mut scanner::Scanner, chunk: &mut Chunk) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_kind` [INFO] [stdout] --> src/compiler.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | token_kind => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_kind` [INFO] [stdout] --> src/compiler.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | token_kind: scanner::TokenKind, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/compiler.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | msg: &str, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/compiler.rs:45:73 [INFO] [stdout] | [INFO] [stdout] 45 | fn advance(&mut self, source: &str, scanner: &mut scanner::Scanner, chunk: &mut Chunk) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [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/compiler.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut byte = chunk.add_constant(y); [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: unused variable: `prefix` [INFO] [stdout] --> src/compiler.rs:230:14 [INFO] [stdout] | [INFO] [stdout] 230 | let (prefix, infix, prec) = parse_rule(token_kind.to_owned()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `infix` [INFO] [stdout] --> src/compiler.rs:230:22 [INFO] [stdout] | [INFO] [stdout] 230 | let (prefix, infix, prec) = parse_rule(token_kind.to_owned()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_infix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_kind` [INFO] [stdout] --> src/compiler.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | token_kind => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_kind` [INFO] [stdout] --> src/compiler.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | token_kind: scanner::TokenKind, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/compiler.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | msg: &str, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compiler.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut byte = chunk.add_constant(y); [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: unused variable: `prefix` [INFO] [stdout] --> src/compiler.rs:230:14 [INFO] [stdout] | [INFO] [stdout] 230 | let (prefix, infix, prec) = parse_rule(token_kind.to_owned()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `infix` [INFO] [stdout] --> src/compiler.rs:230:22 [INFO] [stdout] | [INFO] [stdout] 230 | let (prefix, infix, prec) = parse_rule(token_kind.to_owned()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_infix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/vm.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/vm.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_OR` is never used [INFO] [stdout] --> src/compiler.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | const PREC_OR: u8 = 3; // or [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_AND` is never used [INFO] [stdout] --> src/compiler.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const PREC_AND: u8 = 4; // and [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_EQUALITY` is never used [INFO] [stdout] --> src/compiler.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const PREC_EQUALITY: u8 = 5; // == != [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_COMPARISON` is never used [INFO] [stdout] --> src/compiler.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const PREC_COMPARISON: u8 = 6; // < > <= >= [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_CALL` is never used [INFO] [stdout] --> src/compiler.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const PREC_CALL: u8 = 10; // . () [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_PRIMARY` is never used [INFO] [stdout] --> src/compiler.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const PREC_PRIMARY: u8 = 11; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STACK_MAX` is never used [INFO] [stdout] --> src/vm.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const STACK_MAX: usize = 256; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_OR` is never used [INFO] [stdout] --> src/compiler.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | const PREC_OR: u8 = 3; // or [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InterpretRuntimeError` is never constructed [INFO] [stdout] --> src/vm.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum InterpretResult { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | InterpretRuntimeError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_AND` is never used [INFO] [stdout] --> src/compiler.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const PREC_AND: u8 = 4; // and [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_EQUALITY` is never used [INFO] [stdout] --> src/compiler.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const PREC_EQUALITY: u8 = 5; // == != [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_COMPARISON` is never used [INFO] [stdout] --> src/compiler.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const PREC_COMPARISON: u8 = 6; // < > <= >= [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_CALL` is never used [INFO] [stdout] --> src/compiler.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const PREC_CALL: u8 = 10; // . () [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PREC_PRIMARY` is never used [INFO] [stdout] --> src/compiler.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const PREC_PRIMARY: u8 = 11; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STACK_MAX` is never used [INFO] [stdout] --> src/vm.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const STACK_MAX: usize = 256; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InterpretRuntimeError` is never constructed [INFO] [stdout] --> src/vm.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum InterpretResult { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | InterpretRuntimeError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "ec76abf63d1988faa9ac10210470d133c0456cd7ad5f83ee6745c85feb904d8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec76abf63d1988faa9ac10210470d133c0456cd7ad5f83ee6745c85feb904d8f", kill_on_drop: false }` [INFO] [stdout] ec76abf63d1988faa9ac10210470d133c0456cd7ad5f83ee6745c85feb904d8f