[INFO] cloning repository https://github.com/Sousou345454/rustregex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sousou345454/rustregex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSousou345454%2Frustregex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSousou345454%2Frustregex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40857c51206270219d46bd5f4e64498057aa71ac
[INFO] testing Sousou345454/rustregex against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSousou345454%2Frustregex" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sousou345454/rustregex on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sousou345454/rustregex
[INFO] finished tweaking git repo https://github.com/Sousou345454/rustregex
[INFO] tweaked toml for git repo https://github.com/Sousou345454/rustregex written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sousou345454/rustregex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] f035d8638555e644f83ab72c71fc04911ddcf8fec1cae1106797a76a354f4664
[INFO] running `Command { std: "docker" "start" "-a" "f035d8638555e644f83ab72c71fc04911ddcf8fec1cae1106797a76a354f4664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f035d8638555e644f83ab72c71fc04911ddcf8fec1cae1106797a76a354f4664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f035d8638555e644f83ab72c71fc04911ddcf8fec1cae1106797a76a354f4664", kill_on_drop: false }`
[INFO] [stdout] f035d8638555e644f83ab72c71fc04911ddcf8fec1cae1106797a76a354f4664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4a45df0988c340cf5e1d90099a111ab772c5b33a9a6e7413285e3c40a23171e5
[INFO] running `Command { std: "docker" "start" "-a" "4a45df0988c340cf5e1d90099a111ab772c5b33a9a6e7413285e3c40a23171e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown character escape: `d`
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let re = Regex::new("(\d{1, 3}"));
[INFO] [stdout]   |                            ^ unknown character escape
[INFO] [stdout]   |
[INFO] [stdout]   = help: for more information, visit <https://static.rust-lang.org/doc/master/reference.html#literals>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | }
[INFO] [stdout]   | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: mismatched closing delimiter: `)`
[INFO] [stdout]  --> src/main.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |           - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 7 |     let re = Regex::new("(\d{1, 3}"));
[INFO] [stdout]   |                                     ^ mismatched closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a45df0988c340cf5e1d90099a111ab772c5b33a9a6e7413285e3c40a23171e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a45df0988c340cf5e1d90099a111ab772c5b33a9a6e7413285e3c40a23171e5", kill_on_drop: false }`
[INFO] [stdout] 4a45df0988c340cf5e1d90099a111ab772c5b33a9a6e7413285e3c40a23171e5