[INFO] cloning repository https://github.com/andrew8088/rudest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrew8088/rudest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew8088%2Frudest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew8088%2Frudest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a64200a8ba4cc683b9397a58e3ce972c378c62b
[INFO] checking andrew8088/rudest/2a64200a8ba4cc683b9397a58e3ce972c378c62b against master#b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew8088%2Frudest" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andrew8088/rudest
[INFO] finished tweaking git repo https://github.com/andrew8088/rudest
[INFO] tweaked toml for git repo https://github.com/andrew8088/rudest written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrew8088/rudest on toolchain b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrew8088/rudest 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" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67b0b5208b9f464fa08bab6f96400032e6c0f02835ebfcdfecf5c4bcaf7a21aa
[INFO] running `Command { std: "docker" "start" "-a" "67b0b5208b9f464fa08bab6f96400032e6c0f02835ebfcdfecf5c4bcaf7a21aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b0b5208b9f464fa08bab6f96400032e6c0f02835ebfcdfecf5c4bcaf7a21aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b0b5208b9f464fa08bab6f96400032e6c0f02835ebfcdfecf5c4bcaf7a21aa", kill_on_drop: false }`
[INFO] [stdout] 67b0b5208b9f464fa08bab6f96400032e6c0f02835ebfcdfecf5c4bcaf7a21aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b4fefcd60bfd770510f7dc540e887dd3ba4fe5c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b069a3a27626bb1d57d7d4cf36b277b2b6b5ceed6803db4d8dad69cd1a0db871
[INFO] running `Command { std: "docker" "start" "-a" "b069a3a27626bb1d57d7d4cf36b277b2b6b5ceed6803db4d8dad69cd1a0db871", kill_on_drop: false }`
[INFO] [stderr]     Checking rudest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/datatypes.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn to_array(body: &str) -> Result<DataType, String> {}
[INFO] [stdout]    |    --------                ^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<DataType, String>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<DataType, String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudest` (bin "rudest") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/datatypes.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn to_array(body: &str) -> Result<DataType, String> {}
[INFO] [stdout]    |    --------                ^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<DataType, String>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<DataType, String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudest` (bin "rudest" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b069a3a27626bb1d57d7d4cf36b277b2b6b5ceed6803db4d8dad69cd1a0db871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b069a3a27626bb1d57d7d4cf36b277b2b6b5ceed6803db4d8dad69cd1a0db871", kill_on_drop: false }`
[INFO] [stdout] b069a3a27626bb1d57d7d4cf36b277b2b6b5ceed6803db4d8dad69cd1a0db871
