[INFO] cloning repository https://github.com/houssemDevs/ffirust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/houssemDevs/ffirust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhoussemDevs%2Fffirust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhoussemDevs%2Fffirust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eda14d26ade7e191714cfa2ef20f60c830f6bfb
[INFO] testing houssemDevs/ffirust against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhoussemDevs%2Fffirust" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/houssemDevs/ffirust on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/houssemDevs/ffirust
[INFO] finished tweaking git repo https://github.com/houssemDevs/ffirust
[INFO] tweaked toml for git repo https://github.com/houssemDevs/ffirust written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/houssemDevs/ffirust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd6cf19c1a4b2f02cc9c3cec4eeb159114d99af27d690a8b2812f22978ee05b
[INFO] running `Command { std: "docker" "start" "-a" "2dd6cf19c1a4b2f02cc9c3cec4eeb159114d99af27d690a8b2812f22978ee05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd6cf19c1a4b2f02cc9c3cec4eeb159114d99af27d690a8b2812f22978ee05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd6cf19c1a4b2f02cc9c3cec4eeb159114d99af27d690a8b2812f22978ee05b", kill_on_drop: false }`
[INFO] [stdout] 2dd6cf19c1a4b2f02cc9c3cec4eeb159114d99af27d690a8b2812f22978ee05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf4ce966264c6b2c77675dcb97e80de5e8d3e98e4148586798d4bfccd08cfdc
[INFO] running `Command { std: "docker" "start" "-a" "caf4ce966264c6b2c77675dcb97e80de5e8d3e98e4148586798d4bfccd08cfdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.3.4
[INFO] [stderr]    Compiling regex v0.1.41
[INFO] [stdout] error[E0446]: private type `SingleSearch` in public interface
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.41/src/prefix.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 46  |     Single(SingleSearch),
[INFO] [stdout]     |            ^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 169 | struct SingleSearch {
[INFO] [stdout]     | ------------------- `SingleSearch` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "caf4ce966264c6b2c77675dcb97e80de5e8d3e98e4148586798d4bfccd08cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf4ce966264c6b2c77675dcb97e80de5e8d3e98e4148586798d4bfccd08cfdc", kill_on_drop: false }`
[INFO] [stdout] caf4ce966264c6b2c77675dcb97e80de5e8d3e98e4148586798d4bfccd08cfdc