[INFO] cloning repository https://github.com/lreeves/rustproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lreeves/rustproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreeves%2Frustproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreeves%2Frustproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1b428d010b9af3dc976d8d81d9746d1cb03ea22
[INFO] checking lreeves/rustproxy against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreeves%2Frustproxy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lreeves/rustproxy on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lreeves/rustproxy
[INFO] finished tweaking git repo https://github.com/lreeves/rustproxy
[INFO] tweaked toml for git repo https://github.com/lreeves/rustproxy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lreeves/rustproxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.3.2
[INFO] [stderr]   Downloaded regex v0.1.41
[INFO] [stderr]   Downloaded winapi v0.2.2
[INFO] [stderr]   Downloaded memchr v0.1.6
[INFO] [stderr]   Downloaded regex-syntax v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b041361a899511ed0a1ab91ea5be1c736e8a36cdae898c5d6234e3a4de07bf
[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" "46b041361a899511ed0a1ab91ea5be1c736e8a36cdae898c5d6234e3a4de07bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b041361a899511ed0a1ab91ea5be1c736e8a36cdae898c5d6234e3a4de07bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b041361a899511ed0a1ab91ea5be1c736e8a36cdae898c5d6234e3a4de07bf", kill_on_drop: false }`
[INFO] [stdout] 46b041361a899511ed0a1ab91ea5be1c736e8a36cdae898c5d6234e3a4de07bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9368122c50f3dfae35b68de5cd61c1d1d74f9add018de97e988a5c5f0d22070
[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" "f9368122c50f3dfae35b68de5cd61c1d1d74f9add018de97e988a5c5f0d22070", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.2.1
[INFO] [stderr]     Checking memchr v0.1.6
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.3.2
[INFO] [stderr]     Checking time v0.1.32
[INFO] [stderr]     Checking 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f9368122c50f3dfae35b68de5cd61c1d1d74f9add018de97e988a5c5f0d22070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9368122c50f3dfae35b68de5cd61c1d1d74f9add018de97e988a5c5f0d22070", kill_on_drop: false }`
[INFO] [stdout] f9368122c50f3dfae35b68de5cd61c1d1d74f9add018de97e988a5c5f0d22070