[INFO] updating cached repository brain-lang/brain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brain-lang/brain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brain-lang/brain" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brain-lang/brain"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brain-lang/brain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brain-lang/brain" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brain-lang/brain"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brain-lang/brain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 234eccd8f5a71818704fe79d32c5c3eb73bce5d4
[INFO] sha for GitHub repo brain-lang/brain: 234eccd8f5a71818704fe79d32c5c3eb73bce5d4
[INFO] validating manifest of brain-lang/brain on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brain-lang/brain on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brain-lang/brain
[INFO] finished frobbing brain-lang/brain
[INFO] frobbed toml for brain-lang/brain written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/brain-lang/brain/Cargo.toml
[INFO] started frobbing brain-lang/brain
[INFO] finished frobbing brain-lang/brain
[INFO] frobbed toml for brain-lang/brain written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brain-lang/brain/Cargo.toml
[INFO] crate brain-lang/brain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brain-lang/brain against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/brain-lang/brain:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b42608cfafe1e202c7dc711773aad5a622290880c1839e07b643a642dbb840ba
[INFO] running `"docker" "start" "-a" "b42608cfafe1e202c7dc711773aad5a622290880c1839e07b643a642dbb840ba"`
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking brain v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/operations/primitives.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / /// To add a primitive, simply add a field to the following struct
[INFO] [stderr] 65 | | /// Everything else will be generated for you
[INFO] [stderr]    | |_____________________________________________^
[INFO] [stderr] 66 | / impl_primitives! {
[INFO] [stderr] 67 | |     pub struct Primitives {
[INFO] [stderr] 68 | |         unit: Option<TypeId>,
[INFO] [stderr] 69 | |         array: Option<TypeId>,
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     }
[INFO] [stderr] 73 | | }
[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/core/primitives/boolean.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 213 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 214 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 215 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 216 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 217 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 234 | |                     }
[INFO] [stderr] 235 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 360 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 361 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 362 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 363 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 364 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 378 | |                     }
[INFO] [stderr] 379 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 514 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 515 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 516 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 517 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 518 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 548 | |                     }]
[INFO] [stderr] 549 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:641:17
[INFO] [stderr]     |
[INFO] [stderr] 641 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 642 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 643 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 644 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 645 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 646 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 676 | |                     }]
[INFO] [stderr] 677 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/operations/primitives.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / /// To add a primitive, simply add a field to the following struct
[INFO] [stderr] 65 | | /// Everything else will be generated for you
[INFO] [stderr]    | |_____________________________________________^
[INFO] [stderr] 66 | / impl_primitives! {
[INFO] [stderr] 67 | |     pub struct Primitives {
[INFO] [stderr] 68 | |         unit: Option<TypeId>,
[INFO] [stderr] 69 | |         array: Option<TypeId>,
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     }
[INFO] [stderr] 73 | | }
[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/core/primitives/boolean.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 213 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 214 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 215 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 216 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 217 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 234 | |                     }
[INFO] [stderr] 235 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 360 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 361 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 362 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 363 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 364 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 378 | |                     }
[INFO] [stderr] 379 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 514 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 515 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 516 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 517 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 518 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 548 | |                     }]
[INFO] [stderr] 549 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/core/primitives/boolean.rs:641:17
[INFO] [stderr]     |
[INFO] [stderr] 641 | /                 /// Thanks to certain properties of booleans, we can evaluate certain things during
[INFO] [stderr] 642 | |                 /// compilation and avoid a lot of extra computation.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 643 | /                 (&ScopeItem::Constant {type_id: const_type, ref bytes}, &ScopeItem::TypedBlock {type_id: other_type, memory}) |
[INFO] [stderr] 644 | |                 (&ScopeItem::TypedBlock {type_id: other_type, memory}, &ScopeItem::Constant {type_id: const_type, ref bytes}) => {
[INFO] [stderr] 645 | |                     debug_assert_eq!(const_type, bool_type);
[INFO] [stderr] 646 | |                     debug_assert_eq!(other_type, bool_type);
[INFO] [stderr] ...   |
[INFO] [stderr] 676 | |                     }]
[INFO] [stderr] 677 | |                 },
[INFO] [stderr]     | |_________________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/operations/scope.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |         operations: Rc<Fn(&mut ScopeStack, FuncArgs, MemoryBlock) -> OperationsResult>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ScopeStack, FuncArgs, MemoryBlock) -> OperationsResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/operations/scope.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |         operations: Rc<Fn(&mut ScopeStack, FuncArgs, MemoryBlock) -> OperationsResult>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ScopeStack, FuncArgs, MemoryBlock) -> OperationsResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `"docker" "inspect" "b42608cfafe1e202c7dc711773aad5a622290880c1839e07b643a642dbb840ba"`
[INFO] running `"docker" "rm" "-f" "b42608cfafe1e202c7dc711773aad5a622290880c1839e07b643a642dbb840ba"`
[INFO] [stdout] b42608cfafe1e202c7dc711773aad5a622290880c1839e07b643a642dbb840ba