[INFO] cloning repository https://github.com/epps/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/epps/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepps%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepps%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e0c0cf226f99181197b447f631b4d5705570449 [INFO] checking epps/rlox against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepps%2Frlox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/epps/rlox [INFO] finished tweaking git repo https://github.com/epps/rlox [INFO] tweaked toml for git repo https://github.com/epps/rlox written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/epps/rlox on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/epps/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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 epps/rlox against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepps%2Frlox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/epps/rlox [INFO] finished tweaking git repo https://github.com/epps/rlox [INFO] tweaked toml for git repo https://github.com/epps/rlox written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/epps/rlox on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/epps/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89fbd6d8c3305c7731dbe1c5a6f62acc1d56e8886f5050188cd8e06fa7b61002 [INFO] running `Command { std: "docker" "start" "-a" "89fbd6d8c3305c7731dbe1c5a6f62acc1d56e8886f5050188cd8e06fa7b61002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89fbd6d8c3305c7731dbe1c5a6f62acc1d56e8886f5050188cd8e06fa7b61002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89fbd6d8c3305c7731dbe1c5a6f62acc1d56e8886f5050188cd8e06fa7b61002", kill_on_drop: false }` [INFO] [stdout] 89fbd6d8c3305c7731dbe1c5a6f62acc1d56e8886f5050188cd8e06fa7b61002 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ca2248cbcf422f4427706d5fd37ab2f592b308684ef0560541fdf213f4a85eb [INFO] running `Command { std: "docker" "start" "-a" "9ca2248cbcf422f4427706d5fd37ab2f592b308684ef0560541fdf213f4a85eb", kill_on_drop: false }` [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `token_type` [INFO] [stdout] --> src/parser.rs:179:27 [INFO] [stdout] | [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/parser.rs:179:50 [INFO] [stdout] | [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_type` [INFO] [stdout] --> src/parser.rs:179:27 [INFO] [stdout] | [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AstPrinter` is never constructed [INFO] [stdout] --> src/ast_printer.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct AstPrinter {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `parenthesize` are never used [INFO] [stdout] --> src/ast_printer.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl AstPrinter { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 9 | pub fn print(&self, expr: Box) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn parenthesize(&self, name: String, exprs: Vec>) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/parser.rs:179:50 [INFO] [stdout] | [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(tokens: Vec) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn expression(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn equality(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn comparison(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn term(&mut self) -> Box { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn factor(&mut self) -> Box { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn unary(&mut self) -> Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn primary(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn match_type(&mut self, token_types: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn check(&self, token_type: TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 161 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 175 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Visitor` is never used [INFO] [stdout] --> src/visitor.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Visitor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(tokens: Vec) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn expression(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn equality(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn comparison(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn term(&mut self) -> Box { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn factor(&mut self) -> Box { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn unary(&mut self) -> Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn primary(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn match_type(&mut self, token_types: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn check(&self, token_type: TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 161 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 175 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn consume(&mut self, token_type: TokenType, message: String) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "9ca2248cbcf422f4427706d5fd37ab2f592b308684ef0560541fdf213f4a85eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ca2248cbcf422f4427706d5fd37ab2f592b308684ef0560541fdf213f4a85eb", kill_on_drop: false }` [INFO] [stdout] 9ca2248cbcf422f4427706d5fd37ab2f592b308684ef0560541fdf213f4a85eb