[INFO] cloning repository https://github.com/ytti/dynlink-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ytti/dynlink-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytti%2Fdynlink-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytti%2Fdynlink-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c9a5386395ae6933abdc33e2ac9cc5a1851756a
[INFO] testing ytti/dynlink-issue against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytti%2Fdynlink-issue" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytti/dynlink-issue on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ytti/dynlink-issue
[INFO] finished tweaking git repo https://github.com/ytti/dynlink-issue
[INFO] tweaked toml for git repo https://github.com/ytti/dynlink-issue written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ytti/dynlink-issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-6/source/src/foo.rs` was erroneously implicitly accepted for binary `foo`,
[INFO] [stderr] please set bin.path in Cargo.toml
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b82fa65a03f74c16d9ce7b82db3be9b9aa53fc4b039ed6cb416f274646df27
[INFO] running `Command { std: "docker" "start" "-a" "c9b82fa65a03f74c16d9ce7b82db3be9b9aa53fc4b039ed6cb416f274646df27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b82fa65a03f74c16d9ce7b82db3be9b9aa53fc4b039ed6cb416f274646df27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b82fa65a03f74c16d9ce7b82db3be9b9aa53fc4b039ed6cb416f274646df27", kill_on_drop: false }`
[INFO] [stdout] c9b82fa65a03f74c16d9ce7b82db3be9b9aa53fc4b039ed6cb416f274646df27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9078bacaa9d6f0c72d50b29f4d776cbdcc31a425f5daca582eb3d0f09c73a2
[INFO] running `Command { std: "docker" "start" "-a" "bf9078bacaa9d6f0c72d50b29f4d776cbdcc31a425f5daca582eb3d0f09c73a2", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/foo.rs` was erroneously implicitly accepted for binary `foo`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.2.1
[INFO] [stderr]    Compiling pnet v0.1.0 (https://github.com/libpnet/libpnet.git#31fefb3a)
[INFO] [stderr]    Compiling memchr v0.1.3
[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] running `Command { std: "docker" "inspect" "bf9078bacaa9d6f0c72d50b29f4d776cbdcc31a425f5daca582eb3d0f09c73a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9078bacaa9d6f0c72d50b29f4d776cbdcc31a425f5daca582eb3d0f09c73a2", kill_on_drop: false }`
[INFO] [stdout] bf9078bacaa9d6f0c72d50b29f4d776cbdcc31a425f5daca582eb3d0f09c73a2