[INFO] fetching crate serde_variant 0.1.3...
[INFO] testing serde_variant-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde_variant 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde_variant 0.1.3
[INFO] finished tweaking crates.io crate serde_variant 0.1.3
[INFO] tweaked toml for crates.io crate serde_variant 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_variant 0.1.3 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 7 packages to latest compatible versions
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d74fbdf2de8b241da020d4c9b30a790cc835f74ec34b41b823f50e445f858ebd
[INFO] running `Command { std: "docker" "start" "-a" "d74fbdf2de8b241da020d4c9b30a790cc835f74ec34b41b823f50e445f858ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74fbdf2de8b241da020d4c9b30a790cc835f74ec34b41b823f50e445f858ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74fbdf2de8b241da020d4c9b30a790cc835f74ec34b41b823f50e445f858ebd", kill_on_drop: false }`
[INFO] [stdout] d74fbdf2de8b241da020d4c9b30a790cc835f74ec34b41b823f50e445f858ebd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64be1cf232ea2714ab067a02baf704eba7ed7fad0f52a738efcd4799630d52a
[INFO] running `Command { std: "docker" "start" "-a" "a64be1cf232ea2714ab067a02baf704eba7ed7fad0f52a738efcd4799630d52a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_variant v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "a64be1cf232ea2714ab067a02baf704eba7ed7fad0f52a738efcd4799630d52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64be1cf232ea2714ab067a02baf704eba7ed7fad0f52a738efcd4799630d52a", kill_on_drop: false }`
[INFO] [stdout] a64be1cf232ea2714ab067a02baf704eba7ed7fad0f52a738efcd4799630d52a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da98eccb0f287c929bf2bafdaf677a531b190045bd833dfa69549d78c2d7fd8
[INFO] running `Command { std: "docker" "start" "-a" "7da98eccb0f287c929bf2bafdaf677a531b190045bd833dfa69549d78c2d7fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_variant v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7da98eccb0f287c929bf2bafdaf677a531b190045bd833dfa69549d78c2d7fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da98eccb0f287c929bf2bafdaf677a531b190045bd833dfa69549d78c2d7fd8", kill_on_drop: false }`
[INFO] [stdout] 7da98eccb0f287c929bf2bafdaf677a531b190045bd833dfa69549d78c2d7fd8
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 890215eaa4c86df6313821dec0355af3cf5d8e840ce025e43304c065fae25dd5
[INFO] running `Command { std: "docker" "start" "-a" "890215eaa4c86df6313821dec0355af3cf5d8e840ce025e43304c065fae25dd5", 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_variant-e2b209de883dc911)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::newtype_variant_names ... ok
[INFO] [stdout] test tests::unit_variant_names ... ok
[INFO] [stdout] test tests::newtype_struct ... ok
[INFO] [stdout] test tests::tuple_variant_names ... ok
[INFO] [stderr]    Doc-tests serde_variant
[INFO] [stdout] test tests::struct_variant_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "890215eaa4c86df6313821dec0355af3cf5d8e840ce025e43304c065fae25dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890215eaa4c86df6313821dec0355af3cf5d8e840ce025e43304c065fae25dd5", kill_on_drop: false }`
[INFO] [stdout] 890215eaa4c86df6313821dec0355af3cf5d8e840ce025e43304c065fae25dd5