[INFO] cloning repository https://github.com/brain-lang/brain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brain-lang/brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrain"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrain'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 234eccd8f5a71818704fe79d32c5c3eb73bce5d4
[INFO] checking brain-lang/brain against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrain" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brain-lang/brain on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brain-lang/brain
[INFO] finished tweaking git repo https://github.com/brain-lang/brain
[INFO] tweaked toml for git repo https://github.com/brain-lang/brain written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/brain-lang/brain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ca9f6507791cd668edc3274b03e66aa4ceeabfaf363f5eaf49964012c52aa35
[INFO] running `"docker" "start" "-a" "7ca9f6507791cd668edc3274b03e66aa4ceeabfaf363f5eaf49964012c52aa35"`
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking brain v0.1.2 (/opt/rustwide/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 12.57s
[INFO] running `"docker" "inspect" "7ca9f6507791cd668edc3274b03e66aa4ceeabfaf363f5eaf49964012c52aa35"`
[INFO] running `"docker" "rm" "-f" "7ca9f6507791cd668edc3274b03e66aa4ceeabfaf363f5eaf49964012c52aa35"`
[INFO] [stdout] 7ca9f6507791cd668edc3274b03e66aa4ceeabfaf363f5eaf49964012c52aa35