[INFO] cloning repository https://github.com/matchai/starship-poc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matchai/starship-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatchai%2Fstarship-poc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatchai%2Fstarship-poc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca2de17bdf161794453421a78f3b45549e6b5903
[INFO] checking matchai/starship-poc against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatchai%2Fstarship-poc" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matchai/starship-poc on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/matchai/starship-poc
[INFO] finished tweaking git repo https://github.com/matchai/starship-poc
[INFO] tweaked toml for git repo https://github.com/matchai/starship-poc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/matchai/starship-poc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38a4c8904fd20769f6184d793a0d66871e70eac68b47a7737960b2a2e831ed6a
[INFO] running `"docker" "start" "-a" "38a4c8904fd20769f6184d793a0d66871e70eac68b47a7737960b2a2e831ed6a"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking starship-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/prompt.rs:24:30
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn find_root(path: &Path) -> Result<PathBuf> {
[INFO] [stderr]    |    ---------                 ^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:   expected enum `std::result::Result<std::path::PathBuf, anyhow::Error>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `starship-poc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/prompt.rs:24:30
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn find_root(path: &Path) -> Result<PathBuf> {
[INFO] [stderr]    |    ---------                 ^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:   expected enum `std::result::Result<std::path::PathBuf, anyhow::Error>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `starship-poc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38a4c8904fd20769f6184d793a0d66871e70eac68b47a7737960b2a2e831ed6a"`
[INFO] running `"docker" "rm" "-f" "38a4c8904fd20769f6184d793a0d66871e70eac68b47a7737960b2a2e831ed6a"`
[INFO] [stdout] 38a4c8904fd20769f6184d793a0d66871e70eac68b47a7737960b2a2e831ed6a