[INFO] cloning repository https://github.com/losvedir/rust-zoo-miniml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/losvedir/rust-zoo-miniml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-miniml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-miniml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d7135139bba2c4368fd7605f955cb9ffe910a58
[INFO] checking losvedir/rust-zoo-miniml against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-miniml" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/losvedir/rust-zoo-miniml on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/losvedir/rust-zoo-miniml
[INFO] finished tweaking git repo https://github.com/losvedir/rust-zoo-miniml
[INFO] tweaked toml for git repo https://github.com/losvedir/rust-zoo-miniml written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/losvedir/rust-zoo-miniml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989e7e99a13399349395da25df675d6ce11f5b9e61eee591f3e39ddbb8159660
[INFO] running `Command { std: "docker" "start" "-a" "989e7e99a13399349395da25df675d6ce11f5b9e61eee591f3e39ddbb8159660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989e7e99a13399349395da25df675d6ce11f5b9e61eee591f3e39ddbb8159660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989e7e99a13399349395da25df675d6ce11f5b9e61eee591f3e39ddbb8159660", kill_on_drop: false }`
[INFO] [stdout] 989e7e99a13399349395da25df675d6ce11f5b9e61eee591f3e39ddbb8159660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6feee9ae4a70d934294ed85f6a761a3a906a81128d62d4033393c376ac5003cf
[INFO] running `Command { std: "docker" "start" "-a" "6feee9ae4a70d934294ed85f6a761a3a906a81128d62d4033393c376ac5003cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling diff v0.1.6
[INFO] [stderr]    Compiling lalrpop-util v0.6.1
[INFO] [stderr]    Compiling lalrpop-intern v0.6.1
[INFO] [stderr]    Compiling unicode-xid v0.0.2
[INFO] [stderr]    Compiling itertools v0.3.25
[INFO] [stderr]    Compiling memchr v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.3.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling regex v0.1.41
[INFO] [stderr]    Compiling term v0.2.11
[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" "6feee9ae4a70d934294ed85f6a761a3a906a81128d62d4033393c376ac5003cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6feee9ae4a70d934294ed85f6a761a3a906a81128d62d4033393c376ac5003cf", kill_on_drop: false }`
[INFO] [stdout] 6feee9ae4a70d934294ed85f6a761a3a906a81128d62d4033393c376ac5003cf