[INFO] fetching crate safer-ffi 0.2.0-rc1...
[INFO] testing safer-ffi-0.2.0-rc1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate safer-ffi 0.2.0-rc1 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate safer-ffi 0.2.0-rc1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate safer-ffi 0.2.0-rc1
[INFO] tweaked toml for crates.io crate safer-ffi 0.2.0-rc1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safer-ffi 0.2.0-rc1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate safer-ffi 0.2.0-rc1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded with_builtin_macros-proc_macros v0.0.3
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[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded cratesio-placeholder-package v0.0.3
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[INFO] [stderr]   Downloaded futures-sink v0.3.27
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[INFO] [stderr]   Downloaded safer_ffi-proc_macros v0.2.0-rc1
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded toml_datetime v0.6.6
[INFO] [stderr]   Downloaded proc-macro-crate v3.1.0
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[INFO] [stderr]   Downloaded stabby v72.1.1
[INFO] [stderr]   Downloaded futures v0.3.27
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[INFO] [stderr]   Downloaded toml_edit v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94ae5938d3d0678799620a2ed0efcae4795a570ef385d40e1064eb20ce1ae3b7
[INFO] running `Command { std: "docker" "start" "-a" "94ae5938d3d0678799620a2ed0efcae4795a570ef385d40e1064eb20ce1ae3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ae5938d3d0678799620a2ed0efcae4795a570ef385d40e1064eb20ce1ae3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ae5938d3d0678799620a2ed0efcae4795a570ef385d40e1064eb20ce1ae3b7", kill_on_drop: false }`
[INFO] [stdout] 94ae5938d3d0678799620a2ed0efcae4795a570ef385d40e1064eb20ce1ae3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b07a7e18d61519d8b562e9c1cbac0c611f3a4c89bb440be7b57ea1e70778ecd
[INFO] running `Command { std: "docker" "start" "-a" "3b07a7e18d61519d8b562e9c1cbac0c611f3a4c89bb440be7b57ea1e70778ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unwind_safe v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling extern-c v0.1.0
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling uninit v0.5.1
[INFO] [stderr]    Compiling ext-trait-proc_macros v2.0.1
[INFO] [stderr]    Compiling seal-the-deal-proc_macros v0.1.2
[INFO] [stderr]    Compiling with_builtin_macros v0.0.3
[INFO] [stderr]    Compiling seal-the-deal v0.1.2
[INFO] [stderr]    Compiling ext-trait v2.0.1
[INFO] [stderr]    Compiling extension-traits v2.0.1
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.2.0-rc1
[INFO] [stderr]    Compiling safer-ffi v0.2.0-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `Command { std: "docker" "inspect" "3b07a7e18d61519d8b562e9c1cbac0c611f3a4c89bb440be7b57ea1e70778ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b07a7e18d61519d8b562e9c1cbac0c611f3a4c89bb440be7b57ea1e70778ecd", kill_on_drop: false }`
[INFO] [stdout] 3b07a7e18d61519d8b562e9c1cbac0c611f3a4c89bb440be7b57ea1e70778ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37710b39801312e3cc9f680895000e60ac169a4d38f66579fffbfe075f028ae
[INFO] running `Command { std: "docker" "start" "-a" "c37710b39801312e3cc9f680895000e60ac169a4d38f66579fffbfe075f028ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling safer-ffi v0.2.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]  --> tests/dyn_traits.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive_ReprC(dyn)]
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive_ReprC(dyn)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive_ReprC(dyn)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive_ReprC(dyn, Clone)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safer-ffi` (test "dyn_traits") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: zero-sized fields in `repr(transparent)` cannot contain external types with private fields
[INFO] [stdout]   --> tests/test_kotlin.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive_ReprC(rename = "RenamedStruct")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
[INFO] [stdout]    = note: this field contains `tuple::void::CVoid`, which contains private fields, so it could become non-zero-sized in the future.
[INFO] [stdout]    = note: `#[warn(repr_transparent_non_zst_fields)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `derive_ReprC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `_::safer_ffi_::warning`: 
[INFO] [stdout]          `#[repr(C)]` enums are not well-defined in C; it is thus ill-advised to use them in a multi-compiler scenario such as FFI
[INFO] [stdout]    --> tests/test_kotlin.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[repr(C)]
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::layout::ReprC`
[INFO] [stdout]    --> src/layout/macros.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     use crate::layout::ReprC;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyBool` is never used
[INFO] [stdout]    --> src/layout/macros.rs:431:10
[INFO] [stdout]     |
[INFO] [stdout] 431 | pub enum MyBool {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyBool` is never used
[INFO] [stdout]    --> src/layout/macros.rs:446:14
[INFO] [stdout]     |
[INFO] [stdout] 446 |     pub enum MyBool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Opaque` is never constructed
[INFO] [stdout]    --> src/layout/macros.rs:453:16
[INFO] [stdout]     |
[INFO] [stdout] 453 |         struct Opaque
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ReprC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericStruct` is never constructed
[INFO] [stdout]    --> src/layout/macros.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |         struct GenericStruct['lifetime, T]
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ReprC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c37710b39801312e3cc9f680895000e60ac169a4d38f66579fffbfe075f028ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37710b39801312e3cc9f680895000e60ac169a4d38f66579fffbfe075f028ae", kill_on_drop: false }`
[INFO] [stdout] c37710b39801312e3cc9f680895000e60ac169a4d38f66579fffbfe075f028ae
