[INFO] fetching crate autocxx-engine 0.26.0... [INFO] checking autocxx-engine-0.26.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate autocxx-engine 0.26.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate autocxx-engine 0.26.0 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate autocxx-engine 0.26.0 [INFO] finished tweaking crates.io crate autocxx-engine 0.26.0 [INFO] tweaked toml for crates.io crate autocxx-engine 0.26.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8dc83eb4ed184669ea807fc5c43d52792d93f7e9aece19addd06b37373fbb7f [INFO] running `Command { std: "docker" "start" "-a" "d8dc83eb4ed184669ea807fc5c43d52792d93f7e9aece19addd06b37373fbb7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8dc83eb4ed184669ea807fc5c43d52792d93f7e9aece19addd06b37373fbb7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8dc83eb4ed184669ea807fc5c43d52792d93f7e9aece19addd06b37373fbb7f", kill_on_drop: false }` [INFO] [stdout] d8dc83eb4ed184669ea807fc5c43d52792d93f7e9aece19addd06b37373fbb7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec5168692daf9a824981822ce8551c89d8dace176dda316fbb37b6faf08b03cc [INFO] running `Command { std: "docker" "start" "-a" "ec5168692daf9a824981822ce8551c89d8dace176dda316fbb37b6faf08b03cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling prettyplease v0.2.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling clang-sys v1.6.1 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling autocxx-bindgen v0.65.1 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking which v4.4.2 [INFO] [stderr] Compiling miette-derive v5.10.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking peeking_take_while v0.1.2 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking shlex v1.2.0 [INFO] [stderr] Checking version_check v0.9.4 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Checking cc v1.0.83 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.37 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling aquamarine v0.1.12 [INFO] [stderr] Checking miette v5.10.0 [INFO] [stderr] Checking cexpr v0.6.0 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking cxx-gen v0.7.107 [INFO] [stderr] Checking autocxx-parser v0.26.0 [INFO] [stderr] Checking autocxx-engine v0.26.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 558 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 563 | / self.analyze_and_add( [INFO] [stdout] 564 | | subclass_constructor_name.clone(), [INFO] [stdout] 565 | | subclass_constructor_func.clone(), [INFO] [stdout] 566 | | &mut results, [INFO] [stdout] 567 | | TypeConversionSophistication::Regular, [INFO] [stdout] 568 | | ); [INFO] [stdout] | |_____________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:631:50 [INFO] [stdout] | [INFO] [stdout] 603 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 631 | let super_fn_call_api_name = self.analyze_and_add( [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 632 | | super_fn_name, [INFO] [stdout] 633 | | maybe_wrap, [INFO] [stdout] 634 | | &mut results, [INFO] [stdout] 635 | | TypeConversionSophistication::SimpleForSubclasses, [INFO] [stdout] 636 | | ); [INFO] [stdout] | |_____________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.existing_superclass_trait_api_names` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:660:21 [INFO] [stdout] | [INFO] [stdout] 603 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 660 | / self.existing_superclass_trait_api_names [INFO] [stdout] 661 | | .insert(trait_api_name.clone()); [INFO] [stdout] | |_______________________________________________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:563:21 [INFO] [stdout] | [INFO] [stdout] 558 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 563 | / self.analyze_and_add( [INFO] [stdout] 564 | | subclass_constructor_name.clone(), [INFO] [stdout] 565 | | subclass_constructor_func.clone(), [INFO] [stdout] 566 | | &mut results, [INFO] [stdout] 567 | | TypeConversionSophistication::Regular, [INFO] [stdout] 568 | | ); [INFO] [stdout] | |_____________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:631:50 [INFO] [stdout] | [INFO] [stdout] 603 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 631 | let super_fn_call_api_name = self.analyze_and_add( [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 632 | | super_fn_name, [INFO] [stdout] 633 | | maybe_wrap, [INFO] [stdout] 634 | | &mut results, [INFO] [stdout] 635 | | TypeConversionSophistication::SimpleForSubclasses, [INFO] [stdout] 636 | | ); [INFO] [stdout] | |_____________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.existing_superclass_trait_api_names` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/conversion/analysis/fun/mod.rs:660:21 [INFO] [stdout] | [INFO] [stdout] 603 | for sub in self.subclasses_by_superclass(sup) { [INFO] [stdout] | ---------------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 660 | / self.existing_superclass_trait_api_names [INFO] [stdout] 661 | | .insert(trait_api_name.clone()); [INFO] [stdout] | |_______________________________________________________^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `autocxx-engine` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `autocxx-engine` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "ec5168692daf9a824981822ce8551c89d8dace176dda316fbb37b6faf08b03cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec5168692daf9a824981822ce8551c89d8dace176dda316fbb37b6faf08b03cc", kill_on_drop: false }` [INFO] [stdout] ec5168692daf9a824981822ce8551c89d8dace176dda316fbb37b6faf08b03cc