[INFO] fetching crate serde-jam-derive 0.0.0...
[INFO] testing serde-jam-derive-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde-jam-derive 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] finished tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] tweaked toml for crates.io crate serde-jam-derive 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-jam-derive 0.0.0 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] crate crates.io crate serde-jam-derive 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 120b0ae90754073459fc6790033882e010b09bc4b2ebb2ddbb506e034d246d10
[INFO] running `Command { std: "docker" "start" "-a" "120b0ae90754073459fc6790033882e010b09bc4b2ebb2ddbb506e034d246d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120b0ae90754073459fc6790033882e010b09bc4b2ebb2ddbb506e034d246d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120b0ae90754073459fc6790033882e010b09bc4b2ebb2ddbb506e034d246d10", kill_on_drop: false }`
[INFO] [stdout] 120b0ae90754073459fc6790033882e010b09bc4b2ebb2ddbb506e034d246d10
[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] 9b0903d234e9d1bd3af3ef8ecd6407547802c1195c8559fa63689e4a92a31b0b
[INFO] running `Command { std: "docker" "start" "-a" "9b0903d234e9d1bd3af3ef8ecd6407547802c1195c8559fa63689e4a92a31b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9b0903d234e9d1bd3af3ef8ecd6407547802c1195c8559fa63689e4a92a31b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0903d234e9d1bd3af3ef8ecd6407547802c1195c8559fa63689e4a92a31b0b", kill_on_drop: false }`
[INFO] [stdout] 9b0903d234e9d1bd3af3ef8ecd6407547802c1195c8559fa63689e4a92a31b0b
[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] 715a7df5b60e06f3ca0e02a4eeb30d21adb2eb2b3ec138ea6503d7535c1494af
[INFO] running `Command { std: "docker" "start" "-a" "715a7df5b60e06f3ca0e02a4eeb30d21adb2eb2b3ec138ea6503d7535c1494af", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "715a7df5b60e06f3ca0e02a4eeb30d21adb2eb2b3ec138ea6503d7535c1494af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715a7df5b60e06f3ca0e02a4eeb30d21adb2eb2b3ec138ea6503d7535c1494af", kill_on_drop: false }`
[INFO] [stdout] 715a7df5b60e06f3ca0e02a4eeb30d21adb2eb2b3ec138ea6503d7535c1494af
[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] ffd6dfa98ecccef7c251c87df732c8d16af0de7fc045960fdfea3742cab25afa
[INFO] running `Command { std: "docker" "start" "-a" "ffd6dfa98ecccef7c251c87df732c8d16af0de7fc045960fdfea3742cab25afa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_jam_derive-50ce942e61cc65f3)
[INFO] [stderr]    Doc-tests serde_jam_derive
[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] [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" "ffd6dfa98ecccef7c251c87df732c8d16af0de7fc045960fdfea3742cab25afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd6dfa98ecccef7c251c87df732c8d16af0de7fc045960fdfea3742cab25afa", kill_on_drop: false }`
[INFO] [stdout] ffd6dfa98ecccef7c251c87df732c8d16af0de7fc045960fdfea3742cab25afa