[INFO] fetching crate embedded-io 0.6.1...
[INFO] testing embedded-io-0.6.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate embedded-io 0.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate embedded-io 0.6.1
[INFO] finished tweaking crates.io crate embedded-io 0.6.1
[INFO] tweaked toml for crates.io crate embedded-io 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-io 0.6.1 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 13 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[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] 77749339a3de404f73e3d338014bda6d10cc10b0630a8cdfe75e095ad2ab4779
[INFO] running `Command { std: "docker" "start" "-a" "77749339a3de404f73e3d338014bda6d10cc10b0630a8cdfe75e095ad2ab4779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77749339a3de404f73e3d338014bda6d10cc10b0630a8cdfe75e095ad2ab4779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77749339a3de404f73e3d338014bda6d10cc10b0630a8cdfe75e095ad2ab4779", kill_on_drop: false }`
[INFO] [stdout] 77749339a3de404f73e3d338014bda6d10cc10b0630a8cdfe75e095ad2ab4779
[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] 640ff90052d174df0819839011637d6c9149c73f807b91f83e10d7f5ee2c7730
[INFO] running `Command { std: "docker" "start" "-a" "640ff90052d174df0819839011637d6c9149c73f807b91f83e10d7f5ee2c7730", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "640ff90052d174df0819839011637d6c9149c73f807b91f83e10d7f5ee2c7730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640ff90052d174df0819839011637d6c9149c73f807b91f83e10d7f5ee2c7730", kill_on_drop: false }`
[INFO] [stdout] 640ff90052d174df0819839011637d6c9149c73f807b91f83e10d7f5ee2c7730
[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] f4814f53c7148182a60a83fc7ee8eef288914e2938c0115e98c77c59f58bb3f1
[INFO] running `Command { std: "docker" "start" "-a" "f4814f53c7148182a60a83fc7ee8eef288914e2938c0115e98c77c59f58bb3f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f4814f53c7148182a60a83fc7ee8eef288914e2938c0115e98c77c59f58bb3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4814f53c7148182a60a83fc7ee8eef288914e2938c0115e98c77c59f58bb3f1", kill_on_drop: false }`
[INFO] [stdout] f4814f53c7148182a60a83fc7ee8eef288914e2938c0115e98c77c59f58bb3f1
[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", kill_on_drop: false }`
[INFO] [stdout] 6ffb9cfdd186eae9942c51479a2ac01af1a611dc67e9cb241eafe24d97b598e8
[INFO] running `Command { std: "docker" "start" "-a" "6ffb9cfdd186eae9942c51479a2ac01af1a611dc67e9cb241eafe24d97b598e8", 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/embedded_io-9fdff53d8c787e54)
[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 embedded_io
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Write::write_fmt (line 418) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ffb9cfdd186eae9942c51479a2ac01af1a611dc67e9cb241eafe24d97b598e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ffb9cfdd186eae9942c51479a2ac01af1a611dc67e9cb241eafe24d97b598e8", kill_on_drop: false }`
[INFO] [stdout] 6ffb9cfdd186eae9942c51479a2ac01af1a611dc67e9cb241eafe24d97b598e8