[INFO] cloning repository https://github.com/slightknack/typetta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightknack/typetta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftypetta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftypetta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 498d36d05bc0250c765c8a05fc8d7150ddd59d82
[INFO] testing slightknack/typetta against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftypetta" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/slightknack/typetta
[INFO] finished tweaking git repo https://github.com/slightknack/typetta
[INFO] tweaked toml for git repo https://github.com/slightknack/typetta written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/slightknack/typetta on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/slightknack/typetta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e416bf4e165c5f083b28e2bf02ae75da7d6a357e023b471064b84436375a84
[INFO] running `Command { std: "docker" "start" "-a" "e2e416bf4e165c5f083b28e2bf02ae75da7d6a357e023b471064b84436375a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e416bf4e165c5f083b28e2bf02ae75da7d6a357e023b471064b84436375a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e416bf4e165c5f083b28e2bf02ae75da7d6a357e023b471064b84436375a84", kill_on_drop: false }`
[INFO] [stdout] e2e416bf4e165c5f083b28e2bf02ae75da7d6a357e023b471064b84436375a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c3e533adfdfe34d4ffc2a6bc9ca78805b7b2edf587f20ef04b507d7509d5aa
[INFO] running `Command { std: "docker" "start" "-a" "f5c3e533adfdfe34d4ffc2a6bc9ca78805b7b2edf587f20ef04b507d7509d5aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling typetta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `pub`
[INFO] [stdout]   --> src/infer.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn preliminary(ast: AST) -> TST {
[INFO] [stdout]    | ^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing parameters for function definition
[INFO] [stdout]   --> src/infer.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn preliminary(ast: AST) -> TST {
[INFO] [stdout]    |    ^
[INFO] [stdout]    |
[INFO] [stdout] help: add a parameter list
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub() fn preliminary(ast: AST) -> TST {
[INFO] [stdout]    |    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `<`, `where`, or `{`, found keyword `fn`
[INFO] [stdout]   --> src/infer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn preliminary(ast: AST) -> TST {
[INFO] [stdout]    |     ^^ expected one of `->`, `<`, `where`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Data::Unit => {}
[INFO] [stdout]    |                           ^^ expected `Type`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Data::Natural(_) => {}
[INFO] [stdout]    |                                 ^^ expected `Type`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Data::Lambda => {}
[INFO] [stdout]    |                             ^^ expected `Type`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typetta` (bin "typetta") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5c3e533adfdfe34d4ffc2a6bc9ca78805b7b2edf587f20ef04b507d7509d5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c3e533adfdfe34d4ffc2a6bc9ca78805b7b2edf587f20ef04b507d7509d5aa", kill_on_drop: false }`
[INFO] [stdout] f5c3e533adfdfe34d4ffc2a6bc9ca78805b7b2edf587f20ef04b507d7509d5aa