[INFO] fetching crate serde-field-default 0.2.0...
[INFO] testing serde-field-default-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serde-field-default 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde-field-default 0.2.0
[INFO] finished tweaking crates.io crate serde-field-default 0.2.0
[INFO] tweaked toml for crates.io crate serde-field-default 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-field-default 0.2.0 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 28 packages to latest compatible versions
[INFO] [stderr]       Adding chrono-tz v0.8.6 (available: v0.10.4)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05a747949cb296a7463a65b60f1c12370faa8ec75d7350a4f2bfa9cef9e5513e
[INFO] running `Command { std: "docker" "start" "-a" "05a747949cb296a7463a65b60f1c12370faa8ec75d7350a4f2bfa9cef9e5513e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a747949cb296a7463a65b60f1c12370faa8ec75d7350a4f2bfa9cef9e5513e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a747949cb296a7463a65b60f1c12370faa8ec75d7350a4f2bfa9cef9e5513e", kill_on_drop: false }`
[INFO] [stdout] 05a747949cb296a7463a65b60f1c12370faa8ec75d7350a4f2bfa9cef9e5513e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e78e5030c4be3b7b828474706d361cf8559c8511149760a9357c21b7836da1
[INFO] running `Command { std: "docker" "start" "-a" "b2e78e5030c4be3b7b828474706d361cf8559c8511149760a9357c21b7836da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-field-default v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "b2e78e5030c4be3b7b828474706d361cf8559c8511149760a9357c21b7836da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e78e5030c4be3b7b828474706d361cf8559c8511149760a9357c21b7836da1", kill_on_drop: false }`
[INFO] [stdout] b2e78e5030c4be3b7b828474706d361cf8559c8511149760a9357c21b7836da1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5599e8faf0633239cc11f0f441a95368ceb4d88f66c1987fa36b0e16b40a031c
[INFO] running `Command { std: "docker" "start" "-a" "5599e8faf0633239cc11f0f441a95368ceb4d88f66c1987fa36b0e16b40a031c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling serde-field-default v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "5599e8faf0633239cc11f0f441a95368ceb4d88f66c1987fa36b0e16b40a031c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5599e8faf0633239cc11f0f441a95368ceb4d88f66c1987fa36b0e16b40a031c", kill_on_drop: false }`
[INFO] [stdout] 5599e8faf0633239cc11f0f441a95368ceb4d88f66c1987fa36b0e16b40a031c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c4c556debfeab92f97b23a2a4aba8871997c1a79d24fc35724d6fa797e9ce43
[INFO] running `Command { std: "docker" "start" "-a" "8c4c556debfeab92f97b23a2a4aba8871997c1a79d24fc35724d6fa797e9ce43", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_field_default-bdbbd50da4764df7)
[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]      Running tests/chrono.rs (/opt/rustwide/target/debug/deps/chrono-eac146505bf954bb)
[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]      Running tests/chrono_tz.rs (/opt/rustwide/target/debug/deps/chrono_tz-866cd2172279ba1a)
[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]      Running tests/std.rs (/opt/rustwide/target/debug/deps/std-dec73bb89347d926)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test std ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_field_default
[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" "8c4c556debfeab92f97b23a2a4aba8871997c1a79d24fc35724d6fa797e9ce43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4c556debfeab92f97b23a2a4aba8871997c1a79d24fc35724d6fa797e9ce43", kill_on_drop: false }`
[INFO] [stdout] 8c4c556debfeab92f97b23a2a4aba8871997c1a79d24fc35724d6fa797e9ce43