[INFO] updating cached repository https://github.com/cwbriones/typed-fizzbuzz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e918301471b6f8b3b890d4408ec648576edd58d2
[INFO] checking cwbriones/typed-fizzbuzz against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwbriones%2Ftyped-fizzbuzz" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwbriones/typed-fizzbuzz on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cwbriones/typed-fizzbuzz
[INFO] finished tweaking git repo https://github.com/cwbriones/typed-fizzbuzz
[INFO] tweaked toml for git repo https://github.com/cwbriones/typed-fizzbuzz written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cwbriones/typed-fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 927c501f4e770db24f752ead0afd57dfc46d3d5cd6f93d2e2975b22ea2806aec
[INFO] running `"docker" "start" "-a" "927c501f4e770db24f752ead0afd57dfc46d3d5cd6f93d2e2975b22ea2806aec"`
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let _: Program = ();
[INFO] [stderr]   |            -------   ^^ expected struct `Cons`, found `()`
[INFO] [stderr]   |            |
[INFO] [stderr]   |            expected due to this
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `Cons<FizzBuzz, Cons<Say<S<Zero>>, Cons<Say<S<S<Zero>>>, Cons<Fizz, Cons<Say<S<S<S<S<Zero>>>>>, Cons<Buzz, Cons<Fizz, Cons<Say<S<S<S<S<S<S<S<Zero>>>>>>>>, Cons<Say<S<S<S<S<S<S<S<S<Zero>>>>>>>>>, Cons<Fizz, Cons<Buzz, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>, Cons<Fizz, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>>>, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>>>>, Cons<FizzBuzz, Nil>>>>>>>>>>>>>>>>`
[INFO] [stderr]           found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let _: Program = ();
[INFO] [stderr]   |            -------   ^^ expected struct `Cons`, found `()`
[INFO] [stderr]   |            |
[INFO] [stderr]   |            expected due to this
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `Cons<FizzBuzz, Cons<Say<S<Zero>>, Cons<Say<S<S<Zero>>>, Cons<Fizz, Cons<Say<S<S<S<S<Zero>>>>>, Cons<Buzz, Cons<Fizz, Cons<Say<S<S<S<S<S<S<S<Zero>>>>>>>>, Cons<Say<S<S<S<S<S<S<S<S<Zero>>>>>>>>>, Cons<Fizz, Cons<Buzz, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>, Cons<Fizz, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>>>, Cons<Say<S<S<S<S<S<S<S<S<S<S<S<S<S<S<Zero>>>>>>>>>>>>>>>, Cons<FizzBuzz, Nil>>>>>>>>>>>>>>>>`
[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: 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 `fizzbuzz`.
[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: could not compile `fizzbuzz`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "927c501f4e770db24f752ead0afd57dfc46d3d5cd6f93d2e2975b22ea2806aec"`
[INFO] running `"docker" "rm" "-f" "927c501f4e770db24f752ead0afd57dfc46d3d5cd6f93d2e2975b22ea2806aec"`
[INFO] [stdout] 927c501f4e770db24f752ead0afd57dfc46d3d5cd6f93d2e2975b22ea2806aec