[INFO] crate itsy 0.1.0 is already in cache
[INFO] extracting crate itsy 0.1.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/itsy/0.1.0
[INFO] extracting crate itsy 0.1.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/itsy/0.1.0
[INFO] validating manifest of itsy-0.1.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of itsy-0.1.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing itsy-0.1.0
[INFO] finished frobbing itsy-0.1.0
[INFO] frobbed toml for itsy-0.1.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/itsy/0.1.0/Cargo.toml
[INFO] started frobbing itsy-0.1.0
[INFO] finished frobbing itsy-0.1.0
[INFO] frobbed toml for itsy-0.1.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/itsy/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking itsy-0.1.0 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/itsy/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 522b62ffb65a73a7e99b9ac0c7cb4439db1812313e440b7763f87c26423b5ae6
[INFO] running `"docker" "start" "-a" "522b62ffb65a73a7e99b9ac0c7cb4439db1812313e440b7763f87c26423b5ae6"`
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking itsy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `invalid_type_param_default` has been removed: `converted into hard error, see https://github.com/rust-lang/rust/issues/36887`
[INFO] [stderr]   --> src/frontend/resolver.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | #[allow(invalid_type_param_default)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | /// Unique numeric id of a type.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 | impl_typed_id!(TypeId);
[INFO] [stderr]    | ----------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Unique numeric id of a scope.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 42 | impl_typed_id!(ScopeId);
[INFO] [stderr]    | ------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | /// Unique numeric id of a variable binding.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 45 | impl_typed_id!(BindingId);
[INFO] [stderr]    | -------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | /// Unique numeric id of a function.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 48 | impl_typed_id!(FunctionId);
[INFO] [stderr]    | --------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: lint `invalid_type_param_default` has been removed: `converted into hard error, see https://github.com/rust-lang/rust/issues/36887`
[INFO] [stderr]   --> src/frontend/resolver.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | #[allow(invalid_type_param_default)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | /// Unique numeric id of a type.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 | impl_typed_id!(TypeId);
[INFO] [stderr]    | ----------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Unique numeric id of a scope.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 42 | impl_typed_id!(ScopeId);
[INFO] [stderr]    | ------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | /// Unique numeric id of a variable binding.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 45 | impl_typed_id!(BindingId);
[INFO] [stderr]    | -------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/util/typed_ids.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | /// Unique numeric id of a function.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 48 | impl_typed_id!(FunctionId);
[INFO] [stderr]    | --------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> src/frontend/resolver.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn resolve<'a, T=Standalone>(mut program: super::Program<'a>, entry: &str) -> ResolvedProgram<'a, T> where T: VMFunc<T> {
[INFO] [stderr]    |                    ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `itsy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> src/frontend/resolver.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn resolve<'a, T=Standalone>(mut program: super::Program<'a>, entry: &str) -> ResolvedProgram<'a, T> where T: VMFunc<T> {
[INFO] [stderr]    |                    ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `itsy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "522b62ffb65a73a7e99b9ac0c7cb4439db1812313e440b7763f87c26423b5ae6"`
[INFO] running `"docker" "rm" "-f" "522b62ffb65a73a7e99b9ac0c7cb4439db1812313e440b7763f87c26423b5ae6"`
[INFO] [stdout] 522b62ffb65a73a7e99b9ac0c7cb4439db1812313e440b7763f87c26423b5ae6