[INFO] crate itsy 0.1.0 is already in cache [INFO] extracting crate itsy 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/itsy/0.1.0 [INFO] extracting crate itsy 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/itsy/0.1.0 [INFO] validating manifest of itsy-0.1.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of itsy-0.1.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/itsy/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing itsy-0.1.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f5553c15aa0277c76648d4e193b2ee3c7ecc42e9ae3c0577ba0f73cacb7ded32 [INFO] running `"docker" "start" "-a" "f5553c15aa0277c76648d4e193b2ee3c7ecc42e9ae3c0577ba0f73cacb7ded32"` [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling itsy v0.1.0 (/opt/crater/workdir) [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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/resolver.rs:354:13 [INFO] [stderr] | [INFO] [stderr] 353 | let function_type = self.scopes.function_type(function_id); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] 354 | self.resolve_block(&mut item.block, function_type.ret_type); [INFO] [stderr] | ^^^^ mutable borrow occurs here ---------------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.78s [INFO] running `"docker" "inspect" "f5553c15aa0277c76648d4e193b2ee3c7ecc42e9ae3c0577ba0f73cacb7ded32"` [INFO] running `"docker" "rm" "-f" "f5553c15aa0277c76648d4e193b2ee3c7ecc42e9ae3c0577ba0f73cacb7ded32"` [INFO] [stdout] f5553c15aa0277c76648d4e193b2ee3c7ecc42e9ae3c0577ba0f73cacb7ded32 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a66fbbdd99433f86e09bbbcdd2ffc32032ab2d0d1bab2db674036e86bc9eceab [INFO] running `"docker" "start" "-a" "a66fbbdd99433f86e09bbbcdd2ffc32032ab2d0d1bab2db674036e86bc9eceab"` [INFO] [stderr] Compiling itsy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> tests/vm.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | /// Implement some VM methods to write values to the VM context. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 25 | / extern_rust!(TestFns, Context, { [INFO] [stderr] 26 | | /// Pushes an i32 to the context. [INFO] [stderr] 27 | | fn ret_i32(vm: &mut VM, value: i32) { [INFO] [stderr] 28 | | vm.context().push(Box::new(value)); [INFO] [stderr] ... | [INFO] [stderr] 33 | | } [INFO] [stderr] 34 | | }); [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: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: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/vm.rs:5:27 [INFO] [stderr] | [INFO] [stderr] 5 | type ContextElement = Box; [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/resolver.rs:354:13 [INFO] [stderr] | [INFO] [stderr] 353 | let function_type = self.scopes.function_type(function_id); [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] 354 | self.resolve_block(&mut item.block, function_type.ret_type); [INFO] [stderr] | ^^^^ mutable borrow occurs here ---------------------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.31s [INFO] running `"docker" "inspect" "a66fbbdd99433f86e09bbbcdd2ffc32032ab2d0d1bab2db674036e86bc9eceab"` [INFO] running `"docker" "rm" "-f" "a66fbbdd99433f86e09bbbcdd2ffc32032ab2d0d1bab2db674036e86bc9eceab"` [INFO] [stdout] a66fbbdd99433f86e09bbbcdd2ffc32032ab2d0d1bab2db674036e86bc9eceab [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 8deeb6851c5bb39d87283b850659f07deeb909d697643f3eb84d083615f83fac [INFO] running `"docker" "start" "-a" "8deeb6851c5bb39d87283b850659f07deeb909d697643f3eb84d083615f83fac"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/itsy-7381d3489459a455 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/playground-f997762f08040bf0 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/vm-cb4dcc9cd6908f82 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test branching ... ok [INFO] [stdout] test floats ... ok [INFO] [stdout] test recursion ... ok [INFO] [stdout] test binary_op ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests itsy [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - extern_rust (line 18) ... ok [INFO] [stdout] test src/lib.rs - vm (line 181) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "8deeb6851c5bb39d87283b850659f07deeb909d697643f3eb84d083615f83fac"` [INFO] running `"docker" "rm" "-f" "8deeb6851c5bb39d87283b850659f07deeb909d697643f3eb84d083615f83fac"` [INFO] [stdout] 8deeb6851c5bb39d87283b850659f07deeb909d697643f3eb84d083615f83fac