[INFO] cloning repository https://github.com/shotanue/monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shotanue/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotanue%2Fmonkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotanue%2Fmonkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d551f9442885549fd7927a6f384778fc30c497c [INFO] checking shotanue/monkey against master#a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotanue%2Fmonkey" "/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/shotanue/monkey on toolchain a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shotanue/monkey [INFO] finished tweaking git repo https://github.com/shotanue/monkey [INFO] tweaked toml for git repo https://github.com/shotanue/monkey written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shotanue/monkey 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" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "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 shotanue/monkey against try#8585d8c57bfa6d7d66340412e06b5611fa79cc61 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotanue%2Fmonkey" "/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/shotanue/monkey on toolchain 8585d8c57bfa6d7d66340412e06b5611fa79cc61 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shotanue/monkey [INFO] finished tweaking git repo https://github.com/shotanue/monkey [INFO] tweaked toml for git repo https://github.com/shotanue/monkey written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shotanue/monkey 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" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking shotanue/monkey against try#8585d8c57bfa6d7d66340412e06b5611fa79cc61 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotanue%2Fmonkey" "/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/shotanue/monkey on toolchain 8585d8c57bfa6d7d66340412e06b5611fa79cc61 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shotanue/monkey [INFO] finished tweaking git repo https://github.com/shotanue/monkey [INFO] tweaked toml for git repo https://github.com/shotanue/monkey written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shotanue/monkey 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" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7a04365a4fb6ffeccc5396f6ccc62b576a40006f221d2efc49e757292096ec5 [INFO] running `Command { std: "docker" "start" "-a" "e7a04365a4fb6ffeccc5396f6ccc62b576a40006f221d2efc49e757292096ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7a04365a4fb6ffeccc5396f6ccc62b576a40006f221d2efc49e757292096ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7a04365a4fb6ffeccc5396f6ccc62b576a40006f221d2efc49e757292096ec5", kill_on_drop: false }` [INFO] [stdout] e7a04365a4fb6ffeccc5396f6ccc62b576a40006f221d2efc49e757292096ec5 [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d26a9c229e439141d69b8eaa87fe6fd12c598efb5c001de6e9174b90fd3051a8 [INFO] running `Command { std: "docker" "start" "-a" "d26a9c229e439141d69b8eaa87fe6fd12c598efb5c001de6e9174b90fd3051a8", kill_on_drop: false }` [INFO] [stderr] Checking monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `LET`, `RETURN`, and `EXPRESSION` are never constructed [INFO] [stdout] --> src/ast.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum Statement { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 13 | LET { name: Expression, value: Expression }, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | RETURN(Expression), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | EXPRESSION(Expression), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` 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: variants `Identifier` and `Integer` are never constructed [INFO] [stdout] --> src/ast.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub enum Expression { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 20 | Identifier(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 21 | Integer(i64), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer`, `current_token`, `peek_token`, and `errors` are never read [INFO] [stdout] --> src/parser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 6 | lexer: Lexer, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | current_token: Token, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 8 | peek_token: Token, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 9 | pub errors: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/parser.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Parser { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | fn peek_error(&mut self, token: &TokenType) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn parse_program(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn parse_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn parse_expression_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn parse_expression(&mut self, _precedence: Precedence) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn parse_identifier(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | fn parse_integer(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | fn parse_let_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn parse_return_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn current_token_is(&self, token: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn peek_token_is(&self, token: &TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | pub fn expect_peek(&mut self, token: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "d26a9c229e439141d69b8eaa87fe6fd12c598efb5c001de6e9174b90fd3051a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d26a9c229e439141d69b8eaa87fe6fd12c598efb5c001de6e9174b90fd3051a8", kill_on_drop: false }` [INFO] [stdout] d26a9c229e439141d69b8eaa87fe6fd12c598efb5c001de6e9174b90fd3051a8