[INFO] fetching crate proc_macro_argue 0.1.2...
[INFO] testing proc_macro_argue-0.1.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate proc_macro_argue 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate proc_macro_argue 0.1.2
[INFO] finished tweaking crates.io crate proc_macro_argue 0.1.2
[INFO] tweaked toml for crates.io crate proc_macro_argue 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc_macro_argue 0.1.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc_macro_argue 0.1.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd
[INFO] running `Command { std: "docker" "start" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling proc_macro_argue v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc_macro_argue v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/proc_macro_argue/1d56afe1dad4fbc7/out/proc_macro_argue-1d56afe1dad4fbc7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proc_macro_argue
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 5) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `MyArgument`
[INFO] [stdout]   --> src/../README.md:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use MyArgument::*;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared type `MyArgument`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `my_macro` in this scope
[INFO] [stdout]   --> src/../README.md:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[my_macro(Foo("foo"), Bar(1), Baz("baz", 1), Baz("baz", 2))]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `argue` in this scope
[INFO] [stdout]   --> src/../README.md:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | let bar = argue!(args may repeat Baz)?;
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `argue` in this scope
[INFO] [stdout]   --> src/../README.md:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | let baz = argue!(args must have Bar)?;
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `argue` in this scope
[INFO] [stdout]   --> src/../README.md:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | let foo = argue!(args may have Foo)?;
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `argue` in this scope
[INFO] [stdout]  --> src/../README.md:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | argue!{
[INFO] [stdout]   | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/../README.md:19:61
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_5_0() {
[INFO] [stdout]    |                                      --------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 19 | let args:ArgumentList<MyArgument> = syn::parse(token_stream)?;
[INFO] [stdout]    |                                                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  5 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_5_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  6 | argue!{
[INFO] [stdout] ...
[INFO] [stdout] 26 | struct MyStruct;
[INFO] [stdout] 27 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.18s; merged doctests compilation took 0.09s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd", kill_on_drop: false }`
[INFO] [stdout] 2ef4686dd75298ade3238943ad41711363535482be976552ef931dc01e48cafd
