[INFO] cloning repository https://github.com/Aapuji/practice-language-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aapuji/practice-language-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fpractice-language-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fpractice-language-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3feeb889e4e64f72529b6161d610d5bcf40271eb
[INFO] checking Aapuji/practice-language-compiler against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fpractice-language-compiler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aapuji/practice-language-compiler
[INFO] finished tweaking git repo https://github.com/Aapuji/practice-language-compiler
[INFO] tweaked toml for git repo https://github.com/Aapuji/practice-language-compiler written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aapuji/practice-language-compiler on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aapuji/practice-language-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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f200ceb7119d2cd715321d6ca94e359ae1aa9ab9d81926083f43f5d9109428d0
[INFO] running `Command { std: "docker" "start" "-a" "f200ceb7119d2cd715321d6ca94e359ae1aa9ab9d81926083f43f5d9109428d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f200ceb7119d2cd715321d6ca94e359ae1aa9ab9d81926083f43f5d9109428d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f200ceb7119d2cd715321d6ca94e359ae1aa9ab9d81926083f43f5d9109428d0", kill_on_drop: false }`
[INFO] [stdout] f200ceb7119d2cd715321d6ca94e359ae1aa9ab9d81926083f43f5d9109428d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710a2f99b0bea55093bd4fbb5bbf5c4a4c56b3b0f1530c21f6cf4e5435dc61cd
[INFO] running `Command { std: "docker" "start" "-a" "710a2f99b0bea55093bd4fbb5bbf5c4a4c56b3b0f1530c21f6cf4e5435dc61cd", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking practice-language-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RegexBuilder`
[INFO] [stdout]  --> src/lexer.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::{Regex, RegexBuilder}; // 1.7.1
[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: `RegexBuilder`
[INFO] [stdout]  --> src/lexer.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::{Regex, RegexBuilder}; // 1.7.1
[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 3.42s
[INFO] running `Command { std: "docker" "inspect" "710a2f99b0bea55093bd4fbb5bbf5c4a4c56b3b0f1530c21f6cf4e5435dc61cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710a2f99b0bea55093bd4fbb5bbf5c4a4c56b3b0f1530c21f6cf4e5435dc61cd", kill_on_drop: false }`
[INFO] [stdout] 710a2f99b0bea55093bd4fbb5bbf5c4a4c56b3b0f1530c21f6cf4e5435dc61cd
