[INFO] cloning repository https://github.com/npnguyen99/Regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npnguyen99/Regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c06cdfeb7eae62bec7e0bd7625f29d0b3c90415
[INFO] testing npnguyen99/Regex against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpnguyen99%2FRegex" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npnguyen99/Regex on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npnguyen99/Regex
[INFO] finished tweaking git repo https://github.com/npnguyen99/Regex
[INFO] tweaked toml for git repo https://github.com/npnguyen99/Regex written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/npnguyen99/Regex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c291810054e70b777ed7e61d7e358c84175fdbbc762c32a3ffa637410ce43d55
[INFO] running `Command { std: "docker" "start" "-a" "c291810054e70b777ed7e61d7e358c84175fdbbc762c32a3ffa637410ce43d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c291810054e70b777ed7e61d7e358c84175fdbbc762c32a3ffa637410ce43d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c291810054e70b777ed7e61d7e358c84175fdbbc762c32a3ffa637410ce43d55", kill_on_drop: false }`
[INFO] [stdout] c291810054e70b777ed7e61d7e358c84175fdbbc762c32a3ffa637410ce43d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] facefaa8f63d214ab5869c3d1cd14ec7a347a966e8a0913dcb64041863db6aef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "facefaa8f63d214ab5869c3d1cd14ec7a347a966e8a0913dcb64041863db6aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling Regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `or` is not a logical operator
[INFO] [stdout]    --> src/regex_inefficient.rs:263:29
[INFO] [stdout]     |
[INFO] [stdout] 263 | ...                   or.push(temp);
[INFO] [stdout]     |                       ^^ help: use `||` to perform logical disjunction
[INFO] [stdout]     |
[INFO] [stdout]     = note: unlike in e.g., python and PHP, `&&` and `||` are used for logical operators
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex_inefficient::RegexConvertable`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex_inefficient::RegexConvertable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Regex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "facefaa8f63d214ab5869c3d1cd14ec7a347a966e8a0913dcb64041863db6aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facefaa8f63d214ab5869c3d1cd14ec7a347a966e8a0913dcb64041863db6aef", kill_on_drop: false }`
[INFO] [stdout] facefaa8f63d214ab5869c3d1cd14ec7a347a966e8a0913dcb64041863db6aef