[INFO] cloning repository https://github.com/triKUMA/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triKUMA/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31943d0887ff845363dc6ca9d8df045cd3c3d6c7 [INFO] checking triKUMA/lox against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/triKUMA/lox 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/triKUMA/lox [INFO] finished tweaking git repo https://github.com/triKUMA/lox [INFO] tweaked toml for git repo https://github.com/triKUMA/lox written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/triKUMA/lox 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-subscriber v0.3.16 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 741e1cbe5e8bd9f99986e6148ccc6257b20d9c7c78d625d9b83663a96d022b4e [INFO] running `Command { std: "docker" "start" "-a" "741e1cbe5e8bd9f99986e6148ccc6257b20d9c7c78d625d9b83663a96d022b4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "741e1cbe5e8bd9f99986e6148ccc6257b20d9c7c78d625d9b83663a96d022b4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "741e1cbe5e8bd9f99986e6148ccc6257b20d9c7c78d625d9b83663a96d022b4e", kill_on_drop: false }` [INFO] [stdout] 741e1cbe5e8bd9f99986e6148ccc6257b20d9c7c78d625d9b83663a96d022b4e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b61468f90e32b03f7052eb401af37c3dfe57436f57e5729cae1d0757d017e328 [INFO] running `Command { std: "docker" "start" "-a" "b61468f90e32b03f7052eb401af37c3dfe57436f57e5729cae1d0757d017e328", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking gimli v0.27.2 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.16 [INFO] [stderr] Checking object v0.30.3 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/lox.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let scanner = Scanner::new(&mut self.error_reporter, src); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/lox.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let scanner = Scanner::new(&mut self.error_reporter, src); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_tokens` is never used [INFO] [stdout] --> src/./scanner.rs:263:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 263 | pub fn display_tokens(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_tokens` is never used [INFO] [stdout] --> src/./scanner.rs:263:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 263 | pub fn display_tokens(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read [INFO] [stdout] --> src/./scanner.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 292 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 293 | pub token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 294 | pub lexeme: &'a str, [INFO] [stdout] 295 | pub value: TokenValue<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 296 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read [INFO] [stdout] --> src/./scanner.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 292 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 293 | pub token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 294 | pub lexeme: &'a str, [INFO] [stdout] 295 | pub value: TokenValue<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 296 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s [INFO] running `Command { std: "docker" "inspect" "b61468f90e32b03f7052eb401af37c3dfe57436f57e5729cae1d0757d017e328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b61468f90e32b03f7052eb401af37c3dfe57436f57e5729cae1d0757d017e328", kill_on_drop: false }` [INFO] [stdout] b61468f90e32b03f7052eb401af37c3dfe57436f57e5729cae1d0757d017e328 [INFO] checking triKUMA/lox against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/triKUMA/lox on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/triKUMA/lox [INFO] finished tweaking git repo https://github.com/triKUMA/lox [INFO] tweaked toml for git repo https://github.com/triKUMA/lox written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/triKUMA/lox 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7ccdf1fcde9bc4cbf273e1ec4bd56626a463e8e76fdeb2c9077fd8d26eb2807 [INFO] running `Command { std: "docker" "start" "-a" "d7ccdf1fcde9bc4cbf273e1ec4bd56626a463e8e76fdeb2c9077fd8d26eb2807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7ccdf1fcde9bc4cbf273e1ec4bd56626a463e8e76fdeb2c9077fd8d26eb2807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7ccdf1fcde9bc4cbf273e1ec4bd56626a463e8e76fdeb2c9077fd8d26eb2807", kill_on_drop: false }` [INFO] [stdout] d7ccdf1fcde9bc4cbf273e1ec4bd56626a463e8e76fdeb2c9077fd8d26eb2807 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e51571bf171bbe34be89386d5d4db2f7def266473586d1cfa7ae7680afd8cb09 [INFO] running `Command { std: "docker" "start" "-a" "e51571bf171bbe34be89386d5d4db2f7def266473586d1cfa7ae7680afd8cb09", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking gimli v0.27.2 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.16 [INFO] [stderr] Checking object v0.30.3 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/lox.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let scanner = Scanner::new(&mut self.error_reporter, src); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_tokens` is never used [INFO] [stdout] --> src/./scanner.rs:263:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 263 | pub fn display_tokens(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read [INFO] [stdout] --> src/./scanner.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 292 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 293 | pub token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 294 | pub lexeme: &'a str, [INFO] [stdout] 295 | pub value: TokenValue<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 296 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/lox.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let scanner = Scanner::new(&mut self.error_reporter, src); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display_tokens` is never used [INFO] [stdout] --> src/./scanner.rs:263:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 263 | pub fn display_tokens(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read [INFO] [stdout] --> src/./scanner.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 292 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 293 | pub token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 294 | pub lexeme: &'a str, [INFO] [stdout] 295 | pub value: TokenValue<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 296 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s [INFO] running `Command { std: "docker" "inspect" "e51571bf171bbe34be89386d5d4db2f7def266473586d1cfa7ae7680afd8cb09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e51571bf171bbe34be89386d5d4db2f7def266473586d1cfa7ae7680afd8cb09", kill_on_drop: false }` [INFO] [stdout] e51571bf171bbe34be89386d5d4db2f7def266473586d1cfa7ae7680afd8cb09