[INFO] cloning repository https://github.com/thevaibhav-dixit/lox-ast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thevaibhav-dixit/lox-ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthevaibhav-dixit%2Flox-ast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthevaibhav-dixit%2Flox-ast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abff546dfceb23db4a867325bf711d45eec11a30 [INFO] checking thevaibhav-dixit/lox-ast against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthevaibhav-dixit%2Flox-ast" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thevaibhav-dixit/lox-ast on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thevaibhav-dixit/lox-ast [INFO] finished tweaking git repo https://github.com/thevaibhav-dixit/lox-ast [INFO] tweaked toml for git repo https://github.com/thevaibhav-dixit/lox-ast written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/thevaibhav-dixit/lox-ast 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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 thevaibhav-dixit/lox-ast against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthevaibhav-dixit%2Flox-ast" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thevaibhav-dixit/lox-ast on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thevaibhav-dixit/lox-ast [INFO] finished tweaking git repo https://github.com/thevaibhav-dixit/lox-ast [INFO] tweaked toml for git repo https://github.com/thevaibhav-dixit/lox-ast written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thevaibhav-dixit/lox-ast 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d8e851af989ff65b0ddc7bb0552e3a264493fa395baa18e86de9ca04eb47c28 [INFO] running `Command { std: "docker" "start" "-a" "0d8e851af989ff65b0ddc7bb0552e3a264493fa395baa18e86de9ca04eb47c28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d8e851af989ff65b0ddc7bb0552e3a264493fa395baa18e86de9ca04eb47c28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d8e851af989ff65b0ddc7bb0552e3a264493fa395baa18e86de9ca04eb47c28", kill_on_drop: false }` [INFO] [stdout] 0d8e851af989ff65b0ddc7bb0552e3a264493fa395baa18e86de9ca04eb47c28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 632a01a4c5af993919bd9c4e79c52f787fa314672707be3c8a9bc279030d2566 [INFO] running `Command { std: "docker" "start" "-a" "632a01a4c5af993919bd9c4e79c52f787fa314672707be3c8a9bc279030d2566", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking lox-ast v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `token_type`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> src/token.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 7 | lexeme: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | literal: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | line: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `source`, `tokens`, `start`, `current`, and `line` are never read [INFO] [stdout] --> src/scanner.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Scanner { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | source: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | tokens: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | start: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | current: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | line: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/scanner.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Scanner { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | fn scan_tokens(&mut self) -> Result<&Vec, LoxError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn scan_token(&mut self) -> Result<(), LoxError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn peek(&mut self) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn identifier(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn string(&mut self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | fn number(&mut self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | fn peek_next(&self) -> char { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | fn match_char(&mut self, expected: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 189 | fn make_token(&mut self, token_type: TokenType, literal: Option) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 196 | fn advance(&mut self) -> char { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> src/token.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 7 | lexeme: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | literal: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | line: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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 5.35s [INFO] running `Command { std: "docker" "inspect" "632a01a4c5af993919bd9c4e79c52f787fa314672707be3c8a9bc279030d2566", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "632a01a4c5af993919bd9c4e79c52f787fa314672707be3c8a9bc279030d2566", kill_on_drop: false }` [INFO] [stdout] 632a01a4c5af993919bd9c4e79c52f787fa314672707be3c8a9bc279030d2566