[INFO] cloning repository https://github.com/rabirabirara/lexing-luthor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rabirabirara/lexing-luthor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabirabirara%2Flexing-luthor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabirabirara%2Flexing-luthor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 618921dcbdfddd4a9ff7256eaf895772f36d3eaf
[INFO] checking rabirabirara/lexing-luthor against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabirabirara%2Flexing-luthor" "/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/rabirabirara/lexing-luthor
[INFO] finished tweaking git repo https://github.com/rabirabirara/lexing-luthor
[INFO] tweaked toml for git repo https://github.com/rabirabirara/lexing-luthor written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rabirabirara/lexing-luthor on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rabirabirara/lexing-luthor 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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "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 rabirabirara/lexing-luthor against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabirabirara%2Flexing-luthor" "/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/rabirabirara/lexing-luthor
[INFO] finished tweaking git repo https://github.com/rabirabirara/lexing-luthor
[INFO] tweaked toml for git repo https://github.com/rabirabirara/lexing-luthor written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rabirabirara/lexing-luthor on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rabirabirara/lexing-luthor 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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.10.0
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded syn v1.0.77
[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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75eb1aeed6c1cd826f95b39b628435d9ae0e2c230e1b5af348c1d7d4446a1ee1
[INFO] running `Command { std: "docker" "start" "-a" "75eb1aeed6c1cd826f95b39b628435d9ae0e2c230e1b5af348c1d7d4446a1ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75eb1aeed6c1cd826f95b39b628435d9ae0e2c230e1b5af348c1d7d4446a1ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75eb1aeed6c1cd826f95b39b628435d9ae0e2c230e1b5af348c1d7d4446a1ee1", kill_on_drop: false }`
[INFO] [stdout] 75eb1aeed6c1cd826f95b39b628435d9ae0e2c230e1b5af348c1d7d4446a1ee1
[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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e50438555d96a8ccca734f82322ceec62dda85470e493f0d34cd9c532f149fc
[INFO] running `Command { std: "docker" "start" "-a" "9e50438555d96a8ccca734f82322ceec62dda85470e493f0d34cd9c532f149fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking phf v0.10.0
[INFO] [stderr]     Checking lexing-luthor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::regex_parser::OPERATORS`
[INFO] [stdout]  --> src/thompsons.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::regex_parser::OPERATORS;
[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: `crate::regex_parser::OPERATORS`
[INFO] [stdout]  --> src/thompsons.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::regex_parser::OPERATORS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "9e50438555d96a8ccca734f82322ceec62dda85470e493f0d34cd9c532f149fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e50438555d96a8ccca734f82322ceec62dda85470e493f0d34cd9c532f149fc", kill_on_drop: false }`
[INFO] [stdout] 9e50438555d96a8ccca734f82322ceec62dda85470e493f0d34cd9c532f149fc