[INFO] cloning repository https://github.com/takechiyo-19940627/js-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takechiyo-19940627/js-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakechiyo-19940627%2Fjs-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakechiyo-19940627%2Fjs-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80bc120379988425c5afea21cc5aec415e39d9b0 [INFO] checking takechiyo-19940627/js-compiler against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakechiyo-19940627%2Fjs-compiler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/takechiyo-19940627/js-compiler [INFO] finished tweaking git repo https://github.com/takechiyo-19940627/js-compiler [INFO] tweaked toml for git repo https://github.com/takechiyo-19940627/js-compiler written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/takechiyo-19940627/js-compiler on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/takechiyo-19940627/js-compiler 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51ce2a7d3a625f8afa46bb21f5c5b339e74a8ba3786983ddf4ab5920ae6c4f31 [INFO] running `Command { std: "docker" "start" "-a" "51ce2a7d3a625f8afa46bb21f5c5b339e74a8ba3786983ddf4ab5920ae6c4f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51ce2a7d3a625f8afa46bb21f5c5b339e74a8ba3786983ddf4ab5920ae6c4f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51ce2a7d3a625f8afa46bb21f5c5b339e74a8ba3786983ddf4ab5920ae6c4f31", kill_on_drop: false }` [INFO] [stdout] 51ce2a7d3a625f8afa46bb21f5c5b339e74a8ba3786983ddf4ab5920ae6c4f31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb2c42cf2fccd9dcf703458ac869244149b166b59f08854af8bc58a9c9f154a2 [INFO] running `Command { std: "docker" "start" "-a" "cb2c42cf2fccd9dcf703458ac869244149b166b59f08854af8bc58a9c9f154a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking js-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `task::Context` [INFO] [stdout] --> src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{str::Chars, task::Context}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kind` [INFO] [stdout] --> src/main.rs:211:24 [INFO] [stdout] | [INFO] [stdout] 211 | fn bump(&mut self, kind: Kind) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_kind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek` and `match_keyward` are never used [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 85 | fn peek(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn match_keyward(&self, ident: &str) -> Kind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer` and `prev_token_end` are never read [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 157 | pub struct Parser<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 161 | lexer: Lexer<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 167 | prev_token_end: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 170 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 195 | fn finish_node(&self, node: Node) -> Node { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | fn cur_token(&self) -> &Token { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | fn at(&self, kind: Kind) -> bool { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 211 | fn bump(&mut self, kind: Kind) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 215 | fn bump_any(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 219 | fn eat(&mut self, kind: Kind) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 227 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task::Context` [INFO] [stdout] --> src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{str::Chars, task::Context}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kind` [INFO] [stdout] --> src/main.rs:211:24 [INFO] [stdout] | [INFO] [stdout] 211 | fn bump(&mut self, kind: Kind) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_kind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek` and `match_keyward` are never used [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 85 | fn peek(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn match_keyward(&self, ident: &str) -> Kind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer` and `prev_token_end` are never read [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 157 | pub struct Parser<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 161 | lexer: Lexer<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 167 | prev_token_end: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 170 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 195 | fn finish_node(&self, node: Node) -> Node { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | fn cur_token(&self) -> &Token { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | fn at(&self, kind: Kind) -> bool { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 211 | fn bump(&mut self, kind: Kind) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 215 | fn bump_any(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 219 | fn eat(&mut self, kind: Kind) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 227 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.50s [INFO] running `Command { std: "docker" "inspect" "cb2c42cf2fccd9dcf703458ac869244149b166b59f08854af8bc58a9c9f154a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb2c42cf2fccd9dcf703458ac869244149b166b59f08854af8bc58a9c9f154a2", kill_on_drop: false }` [INFO] [stdout] cb2c42cf2fccd9dcf703458ac869244149b166b59f08854af8bc58a9c9f154a2