[INFO] cloning repository https://github.com/Lukasa/garpd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lukasa/garpd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasa%2Fgarpd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasa%2Fgarpd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d3ee56f09aed466bc574a76b39929883011f5d7
[INFO] testing Lukasa/garpd-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasa%2Fgarpd-rs" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lukasa/garpd-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lukasa/garpd-rs
[INFO] finished tweaking git repo https://github.com/Lukasa/garpd-rs
[INFO] tweaked toml for git repo https://github.com/Lukasa/garpd-rs written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/Lukasa/garpd-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6cb400de901047a3a7535bcc1a589da13e07b7d9908ba31342966805bc4839
[INFO] running `Command { std: "docker" "start" "-a" "8e6cb400de901047a3a7535bcc1a589da13e07b7d9908ba31342966805bc4839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6cb400de901047a3a7535bcc1a589da13e07b7d9908ba31342966805bc4839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6cb400de901047a3a7535bcc1a589da13e07b7d9908ba31342966805bc4839", kill_on_drop: false }`
[INFO] [stdout] 8e6cb400de901047a3a7535bcc1a589da13e07b7d9908ba31342966805bc4839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46cc4e147a2d48d9812c3e63f5ceb9234e34b31d2cd16eb2c8f824d6e8cd20d9
[INFO] running `Command { std: "docker" "start" "-a" "46cc4e147a2d48d9812c3e63f5ceb9234e34b31d2cd16eb2c8f824d6e8cd20d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.2.1
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling memchr v0.1.5
[INFO] [stderr]    Compiling log v0.3.1
[INFO] [stderr]    Compiling unix_socket v0.4.5
[INFO] [stderr]    Compiling errno v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.3.0
[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" "46cc4e147a2d48d9812c3e63f5ceb9234e34b31d2cd16eb2c8f824d6e8cd20d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cc4e147a2d48d9812c3e63f5ceb9234e34b31d2cd16eb2c8f824d6e8cd20d9", kill_on_drop: false }`
[INFO] [stdout] 46cc4e147a2d48d9812c3e63f5ceb9234e34b31d2cd16eb2c8f824d6e8cd20d9