[INFO] fetching crate postcard-dyn 0.2.1...
[INFO] testing postcard-dyn-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate postcard-dyn 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate postcard-dyn 0.2.1
[INFO] finished tweaking crates.io crate postcard-dyn 0.2.1
[INFO] tweaked toml for crates.io crate postcard-dyn 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard-dyn 0.2.1 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] crate crates.io crate postcard-dyn 0.2.1 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9224b8466a005aabc017f546c3c67afe5b49a71968a0642c0fddcffc9755bfda
[INFO] running `Command { std: "docker" "start" "-a" "9224b8466a005aabc017f546c3c67afe5b49a71968a0642c0fddcffc9755bfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9224b8466a005aabc017f546c3c67afe5b49a71968a0642c0fddcffc9755bfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9224b8466a005aabc017f546c3c67afe5b49a71968a0642c0fddcffc9755bfda", kill_on_drop: false }`
[INFO] [stdout] 9224b8466a005aabc017f546c3c67afe5b49a71968a0642c0fddcffc9755bfda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d789a4f49869685740b484da7326426d4a8fc17152a33f64dd23bf442f9493fe
[INFO] running `Command { std: "docker" "start" "-a" "d789a4f49869685740b484da7326426d4a8fc17152a33f64dd23bf442f9493fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling postcard-derive v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling postcard-schema v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling postcard v1.1.2
[INFO] [stderr]    Compiling postcard-dyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "d789a4f49869685740b484da7326426d4a8fc17152a33f64dd23bf442f9493fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d789a4f49869685740b484da7326426d4a8fc17152a33f64dd23bf442f9493fe", kill_on_drop: false }`
[INFO] [stdout] d789a4f49869685740b484da7326426d4a8fc17152a33f64dd23bf442f9493fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 591fafe8052cb0652a7122636690c2fd93e7ac11ae7e8f1019fb00daf9246bd1
[INFO] running `Command { std: "docker" "start" "-a" "591fafe8052cb0652a7122636690c2fd93e7ac11ae7e8f1019fb00daf9246bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard-dyn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]    --> src/de.rs:442:12
[INFO] [stdout]     |
[INFO] [stdout] 442 |     struct UnitStruct;
[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 `TupStruct1` is never constructed
[INFO] [stdout]    --> src/de.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 445 |     struct TupStruct1(u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupStruct2` is never constructed
[INFO] [stdout]    --> src/de.rs:448:12
[INFO] [stdout]     |
[INFO] [stdout] 448 |     struct TupStruct2(u8, u8);
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "591fafe8052cb0652a7122636690c2fd93e7ac11ae7e8f1019fb00daf9246bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591fafe8052cb0652a7122636690c2fd93e7ac11ae7e8f1019fb00daf9246bd1", kill_on_drop: false }`
[INFO] [stdout] 591fafe8052cb0652a7122636690c2fd93e7ac11ae7e8f1019fb00daf9246bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0186f3bbeb6ad3b7b9c2d8e54b3d32e434c79973c5a6d267991bf75c85cc1c10
[INFO] running `Command { std: "docker" "start" "-a" "0186f3bbeb6ad3b7b9c2d8e54b3d32e434c79973c5a6d267991bf75c85cc1c10", kill_on_drop: false }`
[INFO] [stderr] warning: struct `UnitStruct` is never constructed
[INFO] [stderr]    --> src/de.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |     struct UnitStruct;
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TupStruct1` is never constructed
[INFO] [stderr]    --> src/de.rs:445:12
[INFO] [stderr]     |
[INFO] [stderr] 445 |     struct TupStruct1(u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TupStruct2` is never constructed
[INFO] [stderr]    --> src/de.rs:448:12
[INFO] [stderr]     |
[INFO] [stderr] 448 |     struct TupStruct2(u8, u8);
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `postcard-dyn` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postcard_dyn-cb545ccfa5ffc9cc)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]    Doc-tests postcard_dyn
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::ints ... ok
[INFO] [stdout] test ser::test::maps ... ok
[INFO] [stdout] test de::test::smoke ... ok
[INFO] [stdout] test ser::test::opts ... ok
[INFO] [stdout] test ser::test::seqs ... ok
[INFO] [stdout] test ser::test::serde_j ... ok
[INFO] [stdout] test ser::test::strs ... ok
[INFO] [stdout] test ser::test::tups ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "0186f3bbeb6ad3b7b9c2d8e54b3d32e434c79973c5a6d267991bf75c85cc1c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0186f3bbeb6ad3b7b9c2d8e54b3d32e434c79973c5a6d267991bf75c85cc1c10", kill_on_drop: false }`
[INFO] [stdout] 0186f3bbeb6ad3b7b9c2d8e54b3d32e434c79973c5a6d267991bf75c85cc1c10