[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 beta-2020-07-24 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-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npnguyen99/Regex on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/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" "+beta-2020-07-24" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0fcd506f84e1ad88eb0b1a2213ca1c375207d09416c80da21b47d8653b8f7d4
[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" "b0fcd506f84e1ad88eb0b1a2213ca1c375207d09416c80da21b47d8653b8f7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0fcd506f84e1ad88eb0b1a2213ca1c375207d09416c80da21b47d8653b8f7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0fcd506f84e1ad88eb0b1a2213ca1c375207d09416c80da21b47d8653b8f7d4", kill_on_drop: false }`
[INFO] [stdout] b0fcd506f84e1ad88eb0b1a2213ca1c375207d09416c80da21b47d8653b8f7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] f962c2f0ab8bca912a8ebd016d0236abf0e8c4551e0b421cdaabd69f7c82fb66
[INFO] running `Command { std: "docker" "start" "-a" "f962c2f0ab8bca912a8ebd016d0236abf0e8c4551e0b421cdaabd69f7c82fb66", 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" "f962c2f0ab8bca912a8ebd016d0236abf0e8c4551e0b421cdaabd69f7c82fb66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f962c2f0ab8bca912a8ebd016d0236abf0e8c4551e0b421cdaabd69f7c82fb66", kill_on_drop: false }`
[INFO] [stdout] f962c2f0ab8bca912a8ebd016d0236abf0e8c4551e0b421cdaabd69f7c82fb66