[INFO] fetching crate maybe-fut-io-derive 0.1.0...
[INFO] testing maybe-fut-io-derive-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate maybe-fut-io-derive 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate maybe-fut-io-derive 0.1.0
[INFO] finished tweaking crates.io crate maybe-fut-io-derive 0.1.0
[INFO] tweaked toml for crates.io crate maybe-fut-io-derive 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maybe-fut-io-derive 0.1.0 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 maybe-fut-io-derive 0.1.0 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] 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] 0e2e8a7eeec7980135cce77b1f2408aa8c05cdf458a9e7788be97b0f05da821d
[INFO] running `Command { std: "docker" "start" "-a" "0e2e8a7eeec7980135cce77b1f2408aa8c05cdf458a9e7788be97b0f05da821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e2e8a7eeec7980135cce77b1f2408aa8c05cdf458a9e7788be97b0f05da821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2e8a7eeec7980135cce77b1f2408aa8c05cdf458a9e7788be97b0f05da821d", kill_on_drop: false }`
[INFO] [stdout] 0e2e8a7eeec7980135cce77b1f2408aa8c05cdf458a9e7788be97b0f05da821d
[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] 3c88b54f0e5009d80e73217c16fca861479adc45891c497b3baaf0d53fdca0fc
[INFO] running `Command { std: "docker" "start" "-a" "3c88b54f0e5009d80e73217c16fca861479adc45891c497b3baaf0d53fdca0fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling maybe-fut-io-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "3c88b54f0e5009d80e73217c16fca861479adc45891c497b3baaf0d53fdca0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c88b54f0e5009d80e73217c16fca861479adc45891c497b3baaf0d53fdca0fc", kill_on_drop: false }`
[INFO] [stdout] 3c88b54f0e5009d80e73217c16fca861479adc45891c497b3baaf0d53fdca0fc
[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] 764532eaa952e0b2b538456baf39309b5fd7d1137e7f1d87dbe038bc70dcaacd
[INFO] running `Command { std: "docker" "start" "-a" "764532eaa952e0b2b538456baf39309b5fd7d1137e7f1d87dbe038bc70dcaacd", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-fut-io-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "764532eaa952e0b2b538456baf39309b5fd7d1137e7f1d87dbe038bc70dcaacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764532eaa952e0b2b538456baf39309b5fd7d1137e7f1d87dbe038bc70dcaacd", kill_on_drop: false }`
[INFO] [stdout] 764532eaa952e0b2b538456baf39309b5fd7d1137e7f1d87dbe038bc70dcaacd
[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] 23568e8baa39b01fc4bcb0559dfdfa6493d60aaa24f6292ec45bef571a84fec8
[INFO] running `Command { std: "docker" "start" "-a" "23568e8baa39b01fc4bcb0559dfdfa6493d60aaa24f6292ec45bef571a84fec8", 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/maybe_fut_io_derive-a6c2b3d9b8b2b38a)
[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 maybe_fut_io_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.67s; merged doctests compilation took 0.67s
[INFO] running `Command { std: "docker" "inspect" "23568e8baa39b01fc4bcb0559dfdfa6493d60aaa24f6292ec45bef571a84fec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23568e8baa39b01fc4bcb0559dfdfa6493d60aaa24f6292ec45bef571a84fec8", kill_on_drop: false }`
[INFO] [stdout] 23568e8baa39b01fc4bcb0559dfdfa6493d60aaa24f6292ec45bef571a84fec8