[INFO] fetching crate polywrap_msgpack 0.1.6-beta.7...
[INFO] testing polywrap_msgpack-0.1.6-beta.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate polywrap_msgpack 0.1.6-beta.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate polywrap_msgpack 0.1.6-beta.7
[INFO] finished tweaking crates.io crate polywrap_msgpack 0.1.6-beta.7
[INFO] tweaked toml for crates.io crate polywrap_msgpack 0.1.6-beta.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polywrap_msgpack 0.1.6-beta.7 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f74dd0b7bb2ba4721534d0adcd5e11ead4268351ca1e12bc55eb6c9f9602af5e
[INFO] running `Command { std: "docker" "start" "-a" "f74dd0b7bb2ba4721534d0adcd5e11ead4268351ca1e12bc55eb6c9f9602af5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f74dd0b7bb2ba4721534d0adcd5e11ead4268351ca1e12bc55eb6c9f9602af5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74dd0b7bb2ba4721534d0adcd5e11ead4268351ca1e12bc55eb6c9f9602af5e", kill_on_drop: false }`
[INFO] [stdout] f74dd0b7bb2ba4721534d0adcd5e11ead4268351ca1e12bc55eb6c9f9602af5e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235ae63414dc622660a6c447e912f6913d5e9331496e07a98750ac7fcba1a7ea
[INFO] running `Command { std: "docker" "start" "-a" "235ae63414dc622660a6c447e912f6913d5e9331496e07a98750ac7fcba1a7ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling rmpv v1.3.0
[INFO] [stderr]    Compiling polywrap_msgpack v0.1.6-beta.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ValueTest` is never constructed
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct ValueTest {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "235ae63414dc622660a6c447e912f6913d5e9331496e07a98750ac7fcba1a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235ae63414dc622660a6c447e912f6913d5e9331496e07a98750ac7fcba1a7ea", kill_on_drop: false }`
[INFO] [stdout] 235ae63414dc622660a6c447e912f6913d5e9331496e07a98750ac7fcba1a7ea
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e57d2f63d239197055e794c4cb286e1e8b7a62f6a2debab74762e0f29c058e0
[INFO] running `Command { std: "docker" "start" "-a" "5e57d2f63d239197055e794c4cb286e1e8b7a62f6a2debab74762e0f29c058e0", kill_on_drop: false }`
[INFO] [stdout] warning: struct `ValueTest` is never constructed
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct ValueTest {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling polywrap_msgpack v0.1.6-beta.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "5e57d2f63d239197055e794c4cb286e1e8b7a62f6a2debab74762e0f29c058e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e57d2f63d239197055e794c4cb286e1e8b7a62f6a2debab74762e0f29c058e0", kill_on_drop: false }`
[INFO] [stdout] 5e57d2f63d239197055e794c4cb286e1e8b7a62f6a2debab74762e0f29c058e0
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8684e79fe06d8d1a6fad7c071cb3723bed0efe6ecdb6a9b3d5563636f6d906f
[INFO] running `Command { std: "docker" "start" "-a" "f8684e79fe06d8d1a6fad7c071cb3723bed0efe6ecdb6a9b3d5563636f6d906f", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ValueTest` is never constructed
[INFO] [stderr]   --> src/lib.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct ValueTest {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `polywrap_msgpack` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polywrap_msgpack-6e9c44a21676fe69)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test extensions::generic_map::tests::from_json_to_msgpack ... ok
[INFO] [stdout] test extensions::generic_map::tests::from_generic_map_to_msgpack ... ok
[INFO] [stdout] test extensions::generic_map::tests::from_msgpack_to_json ... ok
[INFO] [stdout] test vec_to_struct ... ok
[INFO] [stdout] test extensions::generic_map::tests::from_msgpack_to_generic_map ... ok
[INFO] [stdout] test macros::tests::msgpack_to_vec ... ok
[INFO] [stdout] test macros::tests::msgpack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_msgpack.rs (/opt/rustwide/target/debug/deps/test_msgpack-55a78448a40a7234)
[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 polywrap_msgpack
[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" "f8684e79fe06d8d1a6fad7c071cb3723bed0efe6ecdb6a9b3d5563636f6d906f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8684e79fe06d8d1a6fad7c071cb3723bed0efe6ecdb6a9b3d5563636f6d906f", kill_on_drop: false }`
[INFO] [stdout] f8684e79fe06d8d1a6fad7c071cb3723bed0efe6ecdb6a9b3d5563636f6d906f