[INFO] cloning repository https://github.com/ltp1405/earley-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltp1405/earley-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltp1405%2Fearley-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltp1405%2Fearley-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea4539959c785bc76e0582ef4b0d7a70a41b3a25
[INFO] checking ltp1405/earley-parser against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltp1405%2Fearley-parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltp1405/earley-parser on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ltp1405/earley-parser
[INFO] finished tweaking git repo https://github.com/ltp1405/earley-parser
[INFO] tweaked toml for git repo https://github.com/ltp1405/earley-parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ltp1405/earley-parser 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b50dd3fede4b55892ce271fcb63f231f81aa92266769050b04611cb8fe82130
[INFO] running `Command { std: "docker" "start" "-a" "7b50dd3fede4b55892ce271fcb63f231f81aa92266769050b04611cb8fe82130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b50dd3fede4b55892ce271fcb63f231f81aa92266769050b04611cb8fe82130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b50dd3fede4b55892ce271fcb63f231f81aa92266769050b04611cb8fe82130", kill_on_drop: false }`
[INFO] [stdout] 7b50dd3fede4b55892ce271fcb63f231f81aa92266769050b04611cb8fe82130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4dea6554aef32b822e275c43dfa8b5d160bdb5140af6bdecd6bc039d43f35e
[INFO] running `Command { std: "docker" "start" "-a" "fe4dea6554aef32b822e275c43dfa8b5d160bdb5140af6bdecd6bc039d43f35e", kill_on_drop: false }`
[INFO] [stderr]     Checking earley-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Pattern` and `number_range`
[INFO] [stdout]  --> src/grammar.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sympol::{number_range, Pattern, Sympol};
[INFO] [stdout]   |                     ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pattern` and `number_range`
[INFO] [stdout]  --> src/grammar.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sympol::{number_range, Pattern, Sympol};
[INFO] [stdout]   |                     ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "fe4dea6554aef32b822e275c43dfa8b5d160bdb5140af6bdecd6bc039d43f35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4dea6554aef32b822e275c43dfa8b5d160bdb5140af6bdecd6bc039d43f35e", kill_on_drop: false }`
[INFO] [stdout] fe4dea6554aef32b822e275c43dfa8b5d160bdb5140af6bdecd6bc039d43f35e