[INFO] fetching crate silverknife-pangocairo-sys 0.1.0...
[INFO] testing silverknife-pangocairo-sys-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate silverknife-pangocairo-sys 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate silverknife-pangocairo-sys 0.1.0
[INFO] finished tweaking crates.io crate silverknife-pangocairo-sys 0.1.0
[INFO] tweaked toml for crates.io crate silverknife-pangocairo-sys 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate silverknife-pangocairo-sys 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f1f9533c82adb1189f8275b1b0a68351b5c1ec9408f6d282b6971c2a3b439c
[INFO] running `Command { std: "docker" "start" "-a" "f0f1f9533c82adb1189f8275b1b0a68351b5c1ec9408f6d282b6971c2a3b439c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f1f9533c82adb1189f8275b1b0a68351b5c1ec9408f6d282b6971c2a3b439c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f1f9533c82adb1189f8275b1b0a68351b5c1ec9408f6d282b6971c2a3b439c", kill_on_drop: false }`
[INFO] [stdout] f0f1f9533c82adb1189f8275b1b0a68351b5c1ec9408f6d282b6971c2a3b439c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ceb76812e068eb3e7f36a8ba40277577304c409c7a7dbc615752f2bedbda3d
[INFO] running `Command { std: "docker" "start" "-a" "f7ceb76812e068eb3e7f36a8ba40277577304c409c7a7dbc615752f2bedbda3d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling silverknife-pangocairo-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `Struct__PangoAttrShape` does not permit zero-initialization
[INFO] [stdout]    --> src/pango.rs:421:37
[INFO] [stdout]     |
[INFO] [stdout] 421 |     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/pango.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub destroy_func: GDestroyNotify,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "f7ceb76812e068eb3e7f36a8ba40277577304c409c7a7dbc615752f2bedbda3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ceb76812e068eb3e7f36a8ba40277577304c409c7a7dbc615752f2bedbda3d", kill_on_drop: false }`
[INFO] [stdout] f7ceb76812e068eb3e7f36a8ba40277577304c409c7a7dbc615752f2bedbda3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6552fbd78c070c3f8f0ab7fd6721f376f38f455d747ce23bf1a928189cab59e8
[INFO] running `Command { std: "docker" "start" "-a" "6552fbd78c070c3f8f0ab7fd6721f376f38f455d747ce23bf1a928189cab59e8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: the type `Struct__PangoAttrShape` does not permit zero-initialization
[INFO] [stdout]    --> src/pango.rs:421:37
[INFO] [stdout]     |
[INFO] [stdout] 421 |     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/pango.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub destroy_func: GDestroyNotify,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling silverknife-pangocairo-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `Struct__PangoAttrShape` does not permit zero-initialization
[INFO] [stdout]    --> src/pango.rs:421:37
[INFO] [stdout]     |
[INFO] [stdout] 421 |     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/pango.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub destroy_func: GDestroyNotify,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6552fbd78c070c3f8f0ab7fd6721f376f38f455d747ce23bf1a928189cab59e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6552fbd78c070c3f8f0ab7fd6721f376f38f455d747ce23bf1a928189cab59e8", kill_on_drop: false }`
[INFO] [stdout] 6552fbd78c070c3f8f0ab7fd6721f376f38f455d747ce23bf1a928189cab59e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 827af7baba2b17b36081abd91bf9589b4d3ebb597a3ee3fa0234d4362fd2f42d
[INFO] running `Command { std: "docker" "start" "-a" "827af7baba2b17b36081abd91bf9589b4d3ebb597a3ee3fa0234d4362fd2f42d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: the type `Struct__PangoAttrShape` does not permit zero-initialization
[INFO] [stderr]    --> src/pango.rs:421:37
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     this code causes undefined behavior when executed
[INFO] [stderr]     |                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr] note: function pointers must be non-null (in this struct field)
[INFO] [stderr]    --> src/pango.rs:415:5
[INFO] [stderr]     |
[INFO] [stderr] 415 |     pub destroy_func: GDestroyNotify,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `silverknife-pangocairo-sys` (lib) generated 1 warning
[INFO] [stderr] warning: `silverknife-pangocairo-sys` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pangocairo_sys-4785eb256cf6a7a4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pangocairo_sys
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "827af7baba2b17b36081abd91bf9589b4d3ebb597a3ee3fa0234d4362fd2f42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827af7baba2b17b36081abd91bf9589b4d3ebb597a3ee3fa0234d4362fd2f42d", kill_on_drop: false }`
[INFO] [stdout] 827af7baba2b17b36081abd91bf9589b4d3ebb597a3ee3fa0234d4362fd2f42d
