[INFO] fetching crate serde_dbus 0.1.6...
[INFO] testing serde_dbus-0.1.6 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde_dbus 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde_dbus 0.1.6
[INFO] finished tweaking crates.io crate serde_dbus 0.1.6
[INFO] tweaked toml for crates.io crate serde_dbus 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_dbus 0.1.6 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding zbus v2.3.2 (available: v5.12.0)
[INFO] [stderr]       Adding zvariant_utils v1.0.1 (available: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881fff9fcee120cf8883e51110afd36d9a29210ba2e7057e1e0136341136e28f
[INFO] running `Command { std: "docker" "start" "-a" "881fff9fcee120cf8883e51110afd36d9a29210ba2e7057e1e0136341136e28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881fff9fcee120cf8883e51110afd36d9a29210ba2e7057e1e0136341136e28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881fff9fcee120cf8883e51110afd36d9a29210ba2e7057e1e0136341136e28f", kill_on_drop: false }`
[INFO] [stdout] 881fff9fcee120cf8883e51110afd36d9a29210ba2e7057e1e0136341136e28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dade42e94da300a4bda1299df6d2826901b234e40ad3781fdcbac7960ded73c5
[INFO] running `Command { std: "docker" "start" "-a" "dade42e94da300a4bda1299df6d2826901b234e40ad3781fdcbac7960ded73c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_dbus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/primitives.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Signature(pub String);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectPath` is never constructed
[INFO] [stdout]    --> src/primitives.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct ObjectPath(pub String);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "dade42e94da300a4bda1299df6d2826901b234e40ad3781fdcbac7960ded73c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dade42e94da300a4bda1299df6d2826901b234e40ad3781fdcbac7960ded73c5", kill_on_drop: false }`
[INFO] [stdout] dade42e94da300a4bda1299df6d2826901b234e40ad3781fdcbac7960ded73c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b95ef6b1b804f799b12cc5b50b93e7fcca61eb6fce1d6706fd171b0fa726ca92
[INFO] running `Command { std: "docker" "start" "-a" "b95ef6b1b804f799b12cc5b50b93e7fcca61eb6fce1d6706fd171b0fa726ca92", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling test-log-macros v0.2.18
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/primitives.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Signature(pub String);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectPath` is never constructed
[INFO] [stdout]    --> src/primitives.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct ObjectPath(pub String);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling test-log v0.2.18
[INFO] [stderr]    Compiling serde_dbus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/primitives.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Signature(pub String);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjectPath` is never constructed
[INFO] [stdout]    --> src/primitives.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct ObjectPath(pub String);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StructSerialize` is never constructed
[INFO] [stdout]    --> src/ser.rs:622:16
[INFO] [stdout]     |
[INFO] [stdout] 622 |         struct StructSerialize {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "b95ef6b1b804f799b12cc5b50b93e7fcca61eb6fce1d6706fd171b0fa726ca92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95ef6b1b804f799b12cc5b50b93e7fcca61eb6fce1d6706fd171b0fa726ca92", kill_on_drop: false }`
[INFO] [stdout] b95ef6b1b804f799b12cc5b50b93e7fcca61eb6fce1d6706fd171b0fa726ca92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e43fc615077a1b7f00733dfc7aff72709b6580cdb575c2fac5f59ae7c7ac54a
[INFO] running `Command { std: "docker" "start" "-a" "8e43fc615077a1b7f00733dfc7aff72709b6580cdb575c2fac5f59ae7c7ac54a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Signature` is never constructed
[INFO] [stderr]   --> src/primitives.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub struct Signature(pub String);
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ObjectPath` is never constructed
[INFO] [stderr]    --> src/primitives.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub struct ObjectPath(pub String);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StructSerialize` is never constructed
[INFO] [stderr]    --> src/ser.rs:622:16
[INFO] [stderr]     |
[INFO] [stderr] 622 |         struct StructSerialize {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_dbus` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde_dbus` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_dbus-02e9a7ec59923e21)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test align::tests::alignment ... ok
[INFO] [stdout] test de::tests::round_trip_bool ... ok
[INFO] [stdout] test de::tests::round_trip_float ... ok
[INFO] [stdout] test de::tests::round_trip_array0 ... ok
[INFO] [stdout] test de::tests::round_trip_none_string ... ok
[INFO] [stdout] test de::tests::round_trip_int ... ok
[INFO] [stdout] test de::tests::round_trip_some_string ... ok
[INFO] [stdout] test de::tests::round_trip_struct0 ... ok
[INFO] [stdout] test de::tests::round_trip_struct1 ... ok
[INFO] [stdout] test de::tests::tuple_vs_struct ... ok
[INFO] [stdout] test de::tests::round_trip_unit_struct ... ok
[INFO] [stdout] test de::tests::round_trip_unit ... ok
[INFO] [stdout] test ser::internal::tests::serialize_dict ... ok
[INFO] [stdout] test ser::internal::tests::serialize_int ... ok
[INFO] [stdout] test ser::internal::tests::serialize_struct ... ok
[INFO] [stdout] test ser::internal::tests::serialize_intary ... ok
[INFO] [stdout] test ser::internal::tests::serialize_variant_farray ... ok
[INFO] [stdout] test ser::internal::tests::serialize_variant_int ... ok
[INFO] [stdout] test ser::tests::optional_fields ... ok
[INFO] [stdout] test ser::tests::serialize_dict ... ok
[INFO] [stdout] test ser::tests::serialize_dict_simpler ... ok
[INFO] [stdout] test ser::tests::serialize_struct ... ok
[INFO] [stdout] test ser::tests::serialize_tuple ... ok
[INFO] [stdout] test ser::tests::tuple_vs_struct ... ok
[INFO] [stdout] test ser::tests::optional_fields2 ... ok
[INFO] [stdout] test ser::tests::serialize_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_dbus
[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" "8e43fc615077a1b7f00733dfc7aff72709b6580cdb575c2fac5f59ae7c7ac54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e43fc615077a1b7f00733dfc7aff72709b6580cdb575c2fac5f59ae7c7ac54a", kill_on_drop: false }`
[INFO] [stdout] 8e43fc615077a1b7f00733dfc7aff72709b6580cdb575c2fac5f59ae7c7ac54a