[INFO] cloning repository https://github.com/takeaneil/tokenizer-recognizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takeaneil/tokenizer-recognizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeaneil%2Ftokenizer-recognizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeaneil%2Ftokenizer-recognizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b468be5d81acde8f77e2305c0cc52566a45c315
[INFO] checking takeaneil/tokenizer-recognizer against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeaneil%2Ftokenizer-recognizer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takeaneil/tokenizer-recognizer
[INFO] finished tweaking git repo https://github.com/takeaneil/tokenizer-recognizer
[INFO] tweaked toml for git repo https://github.com/takeaneil/tokenizer-recognizer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takeaneil/tokenizer-recognizer on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takeaneil/tokenizer-recognizer 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "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 takeaneil/tokenizer-recognizer against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeaneil%2Ftokenizer-recognizer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takeaneil/tokenizer-recognizer
[INFO] finished tweaking git repo https://github.com/takeaneil/tokenizer-recognizer
[INFO] tweaked toml for git repo https://github.com/takeaneil/tokenizer-recognizer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takeaneil/tokenizer-recognizer on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takeaneil/tokenizer-recognizer 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b1e95809cc0458cebb712fd6f9e98d989fb999cb0e8148ef8fe6fa636ee5ee
[INFO] running `Command { std: "docker" "start" "-a" "74b1e95809cc0458cebb712fd6f9e98d989fb999cb0e8148ef8fe6fa636ee5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b1e95809cc0458cebb712fd6f9e98d989fb999cb0e8148ef8fe6fa636ee5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b1e95809cc0458cebb712fd6f9e98d989fb999cb0e8148ef8fe6fa636ee5ee", kill_on_drop: false }`
[INFO] [stdout] 74b1e95809cc0458cebb712fd6f9e98d989fb999cb0e8148ef8fe6fa636ee5ee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b247d965ed4537cf251e7539013dc05a37aa8c152057e77362e45f322adb0c
[INFO] running `Command { std: "docker" "start" "-a" "88b247d965ed4537cf251e7539013dc05a37aa8c152057e77362e45f322adb0c", kill_on_drop: false }`
[INFO] [stderr]     Checking tokenizer_recognizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Lex`
[INFO] [stdout]  --> src/bin/recognizer.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokenizer_recognizer::common::{Lex, TokenType};
[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 import: `Lex`
[INFO] [stdout]  --> src/bin/recognizer.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokenizer_recognizer::common::{Lex, TokenType};
[INFO] [stdout]   |                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lexeme` is never read
[INFO] [stdout]   --> src/bin/recognizer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TokenLexeme {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 11 |     token: TokenType,
[INFO] [stdout] 12 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenLexeme` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lexeme` is never read
[INFO] [stdout]   --> src/bin/recognizer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TokenLexeme {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 11 |     token: TokenType,
[INFO] [stdout] 12 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenLexeme` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "88b247d965ed4537cf251e7539013dc05a37aa8c152057e77362e45f322adb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b247d965ed4537cf251e7539013dc05a37aa8c152057e77362e45f322adb0c", kill_on_drop: false }`
[INFO] [stdout] 88b247d965ed4537cf251e7539013dc05a37aa8c152057e77362e45f322adb0c
