[INFO] cloning repository https://github.com/smerrell/rust-presentation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smerrell/rust-presentation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmerrell%2Frust-presentation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmerrell%2Frust-presentation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9d7857aaf32aa1564d2a0470b1d5c7bf7b6ba72
[INFO] checking smerrell/rust-presentation against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmerrell%2Frust-presentation" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smerrell/rust-presentation on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smerrell/rust-presentation
[INFO] finished tweaking git repo https://github.com/smerrell/rust-presentation
[INFO] tweaked toml for git repo https://github.com/smerrell/rust-presentation written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/smerrell/rust-presentation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25659e11ec518888c8d85f871ba11fccbf424f80570f95971bec82f0385375ee
[INFO] running `Command { std: "docker" "start" "-a" "25659e11ec518888c8d85f871ba11fccbf424f80570f95971bec82f0385375ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25659e11ec518888c8d85f871ba11fccbf424f80570f95971bec82f0385375ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25659e11ec518888c8d85f871ba11fccbf424f80570f95971bec82f0385375ee", kill_on_drop: false }`
[INFO] [stdout] 25659e11ec518888c8d85f871ba11fccbf424f80570f95971bec82f0385375ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e88b63698592bbd2cd3c456b72f4bf41180360edabed744ec310a3993dc99abf
[INFO] running `Command { std: "docker" "start" "-a" "e88b63698592bbd2cd3c456b72f4bf41180360edabed744ec310a3993dc99abf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.2.1
[INFO] [stderr]     Checking memchr v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.3.0
[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" "e88b63698592bbd2cd3c456b72f4bf41180360edabed744ec310a3993dc99abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88b63698592bbd2cd3c456b72f4bf41180360edabed744ec310a3993dc99abf", kill_on_drop: false }`
[INFO] [stdout] e88b63698592bbd2cd3c456b72f4bf41180360edabed744ec310a3993dc99abf