[INFO] fetching crate serde_piecewise_default_derive 0.2.0...
[INFO] testing serde_piecewise_default_derive-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde_piecewise_default_derive 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde_piecewise_default_derive 0.2.0
[INFO] finished tweaking crates.io crate serde_piecewise_default_derive 0.2.0
[INFO] tweaked toml for crates.io crate serde_piecewise_default_derive 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_piecewise_default_derive 0.2.0 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 11 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.108)
[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-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] 05f98722bc38265d1486f960fb35a82e00cffa4c9503a0fb05cd14f1e0a0113c
[INFO] running `Command { std: "docker" "start" "-a" "05f98722bc38265d1486f960fb35a82e00cffa4c9503a0fb05cd14f1e0a0113c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f98722bc38265d1486f960fb35a82e00cffa4c9503a0fb05cd14f1e0a0113c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f98722bc38265d1486f960fb35a82e00cffa4c9503a0fb05cd14f1e0a0113c", kill_on_drop: false }`
[INFO] [stdout] 05f98722bc38265d1486f960fb35a82e00cffa4c9503a0fb05cd14f1e0a0113c
[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] d2b743ad0643d911059825a3204113aecd78bbcc37e6c398a9c775456a621362
[INFO] running `Command { std: "docker" "start" "-a" "d2b743ad0643d911059825a3204113aecd78bbcc37e6c398a9c775456a621362", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde_piecewise_default_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "d2b743ad0643d911059825a3204113aecd78bbcc37e6c398a9c775456a621362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b743ad0643d911059825a3204113aecd78bbcc37e6c398a9c775456a621362", kill_on_drop: false }`
[INFO] [stdout] d2b743ad0643d911059825a3204113aecd78bbcc37e6c398a9c775456a621362
[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] 483c56cd3621f0fa2699b870dab8e8a21aaaf96f4212f9b9dbfedfb34c0bd39f
[INFO] running `Command { std: "docker" "start" "-a" "483c56cd3621f0fa2699b870dab8e8a21aaaf96f4212f9b9dbfedfb34c0bd39f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_piecewise_default_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "483c56cd3621f0fa2699b870dab8e8a21aaaf96f4212f9b9dbfedfb34c0bd39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483c56cd3621f0fa2699b870dab8e8a21aaaf96f4212f9b9dbfedfb34c0bd39f", kill_on_drop: false }`
[INFO] [stdout] 483c56cd3621f0fa2699b870dab8e8a21aaaf96f4212f9b9dbfedfb34c0bd39f
[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] cb542efbcbdbdbf3d06c1cdef49ed4b5d5a2538ddfe4d97b228d47fdeac8994a
[INFO] running `Command { std: "docker" "start" "-a" "cb542efbcbdbdbf3d06c1cdef49ed4b5d5a2538ddfe4d97b228d47fdeac8994a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_piecewise_default_derive-6faebd30c92149f3)
[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 serde_piecewise_default_derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - deserialize_piecewise_default_derive (line 34) - compile ... ok
[INFO] [stdout] test src/lib.rs - deserialize_piecewise_default_derive (line 21) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb542efbcbdbdbf3d06c1cdef49ed4b5d5a2538ddfe4d97b228d47fdeac8994a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb542efbcbdbdbf3d06c1cdef49ed4b5d5a2538ddfe4d97b228d47fdeac8994a", kill_on_drop: false }`
[INFO] [stdout] cb542efbcbdbdbf3d06c1cdef49ed4b5d5a2538ddfe4d97b228d47fdeac8994a