[INFO] cloning repository https://github.com/fenhl/adventofcode-2015-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fenhl/adventofcode-2015-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fadventofcode-2015-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fadventofcode-2015-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32047e1bed0da7e399dfdad71319a41e4294663a
[INFO] testing fenhl/adventofcode-2015-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fadventofcode-2015-rust" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fenhl/adventofcode-2015-rust 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/fenhl/adventofcode-2015-rust
[INFO] finished tweaking git repo https://github.com/fenhl/adventofcode-2015-rust
[INFO] tweaked toml for git repo https://github.com/fenhl/adventofcode-2015-rust written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate git repo https://github.com/fenhl/adventofcode-2015-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v0.1.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 66703d71e5eec6f02b8d9cbed180bec62bf9fb7e745fc484dee5094d530699b2
[INFO] running `Command { std: "docker" "start" "-a" "66703d71e5eec6f02b8d9cbed180bec62bf9fb7e745fc484dee5094d530699b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66703d71e5eec6f02b8d9cbed180bec62bf9fb7e745fc484dee5094d530699b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66703d71e5eec6f02b8d9cbed180bec62bf9fb7e745fc484dee5094d530699b2", kill_on_drop: false }`
[INFO] [stdout] 66703d71e5eec6f02b8d9cbed180bec62bf9fb7e745fc484dee5094d530699b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 7ee5392c32c67aede53c74d8a8ac1b1093de22bdc9367bb0fa80806da421abf1
[INFO] running `Command { std: "docker" "start" "-a" "7ee5392c32c67aede53c74d8a8ac1b1093de22bdc9367bb0fa80806da421abf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.4.0
[INFO] [stderr]    Compiling regex v0.1.43
[INFO] [stdout] error[E0446]: private type `SingleSearch` in public interface
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.43/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] [stderr] error: could not compile `regex` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ee5392c32c67aede53c74d8a8ac1b1093de22bdc9367bb0fa80806da421abf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee5392c32c67aede53c74d8a8ac1b1093de22bdc9367bb0fa80806da421abf1", kill_on_drop: false }`
[INFO] [stdout] 7ee5392c32c67aede53c74d8a8ac1b1093de22bdc9367bb0fa80806da421abf1