[INFO] fetching crate futures-micro 1.0.0-rc0...
[INFO] testing futures-micro-1.0.0-rc0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate futures-micro 1.0.0-rc0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate futures-micro 1.0.0-rc0
[INFO] finished tweaking crates.io crate futures-micro 1.0.0-rc0
[INFO] tweaked toml for crates.io crate futures-micro 1.0.0-rc0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-micro 1.0.0-rc0 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 11 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v0.1.11 (available: v2.6.1)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ec2bfeb98cff25289e587cff1f2d27108f4501ca6e7fe4192a11421ede71d38f
[INFO] running `Command { std: "docker" "start" "-a" "ec2bfeb98cff25289e587cff1f2d27108f4501ca6e7fe4192a11421ede71d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2bfeb98cff25289e587cff1f2d27108f4501ca6e7fe4192a11421ede71d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2bfeb98cff25289e587cff1f2d27108f4501ca6e7fe4192a11421ede71d38f", kill_on_drop: false }`
[INFO] [stdout] ec2bfeb98cff25289e587cff1f2d27108f4501ca6e7fe4192a11421ede71d38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1e59749ce673b6ce7e278b5a63bc2e464b6c1b12ff710d77b4edbdbbd8c7ba9d
[INFO] running `Command { std: "docker" "start" "-a" "1e59749ce673b6ce7e278b5a63bc2e464b6c1b12ff710d77b4edbdbbd8c7ba9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-micro v1.0.0-rc0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1e59749ce673b6ce7e278b5a63bc2e464b6c1b12ff710d77b4edbdbbd8c7ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e59749ce673b6ce7e278b5a63bc2e464b6c1b12ff710d77b4edbdbbd8c7ba9d", kill_on_drop: false }`
[INFO] [stdout] 1e59749ce673b6ce7e278b5a63bc2e464b6c1b12ff710d77b4edbdbbd8c7ba9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bceb220bd1f1945173fb0044feb525a40affbb12daef2c96a22ade1fcc674b16
[INFO] running `Command { std: "docker" "start" "-a" "bceb220bd1f1945173fb0044feb525a40affbb12daef2c96a22ade1fcc674b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling futures-micro v1.0.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-micro` (test "test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bceb220bd1f1945173fb0044feb525a40affbb12daef2c96a22ade1fcc674b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bceb220bd1f1945173fb0044feb525a40affbb12daef2c96a22ade1fcc674b16", kill_on_drop: false }`
[INFO] [stdout] bceb220bd1f1945173fb0044feb525a40affbb12daef2c96a22ade1fcc674b16