[INFO] fetching crate iotzio 0.1.0...
[INFO] testing iotzio-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate iotzio 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate iotzio 0.1.0
[INFO] finished tweaking crates.io crate iotzio 0.1.0
[INFO] tweaked toml for crates.io crate iotzio 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iotzio 0.1.0 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] crate crates.io crate iotzio 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb4cd7d363ab20e3fb4e7aa6040396b436fe515423f9e9af85d50f14344dfb49
[INFO] running `Command { std: "docker" "start" "-a" "bb4cd7d363ab20e3fb4e7aa6040396b436fe515423f9e9af85d50f14344dfb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4cd7d363ab20e3fb4e7aa6040396b436fe515423f9e9af85d50f14344dfb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4cd7d363ab20e3fb4e7aa6040396b436fe515423f9e9af85d50f14344dfb49", kill_on_drop: false }`
[INFO] [stdout] bb4cd7d363ab20e3fb4e7aa6040396b436fe515423f9e9af85d50f14344dfb49
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b3735079011ca64049132874b732a50c9705ec4bf688de1c74816f8099239b
[INFO] running `Command { std: "docker" "start" "-a" "a1b3735079011ca64049132874b732a50c9705ec4bf688de1c74816f8099239b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling cordyceps v0.3.2
[INFO] [stderr]    Compiling diatomic-waker v0.2.3
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling futures-micro v0.5.0
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-oneshot v0.5.9
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling futures-buffered v0.2.9
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling hidparser v1.0.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling thiserror-impl-no-std v2.0.2
[INFO] [stderr]    Compiling thiserror-no-std v2.0.2
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling pin-project-internal v1.1.9
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-hid v0.2.0
[INFO] [stderr]    Compiling async-std v1.13.0
[INFO] [stderr]    Compiling pin-project v1.1.9
[INFO] [stderr]    Compiling futures-concurrency v7.6.3
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling iotzio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "a1b3735079011ca64049132874b732a50c9705ec4bf688de1c74816f8099239b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b3735079011ca64049132874b732a50c9705ec4bf688de1c74816f8099239b", kill_on_drop: false }`
[INFO] [stdout] a1b3735079011ca64049132874b732a50c9705ec4bf688de1c74816f8099239b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5420852ae9bffa7d0b572ca4da7791bc06b69a899d3607314ddc4513ac09e232
[INFO] running `Command { std: "docker" "start" "-a" "5420852ae9bffa7d0b572ca4da7791bc06b69a899d3607314ddc4513ac09e232", kill_on_drop: false }`
[INFO] [stderr]    Compiling iotzio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "5420852ae9bffa7d0b572ca4da7791bc06b69a899d3607314ddc4513ac09e232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5420852ae9bffa7d0b572ca4da7791bc06b69a899d3607314ddc4513ac09e232", kill_on_drop: false }`
[INFO] [stdout] 5420852ae9bffa7d0b572ca4da7791bc06b69a899d3607314ddc4513ac09e232
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ffa7b36e04e7e77353de21c931d4dfa34c1120cf12a0fd70f4f147fbec789ca
[INFO] running `Command { std: "docker" "start" "-a" "2ffa7b36e04e7e77353de21c931d4dfa34c1120cf12a0fd70f4f147fbec789ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iotzio-60bd94ff9d31eb3e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iotzio
[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" "2ffa7b36e04e7e77353de21c931d4dfa34c1120cf12a0fd70f4f147fbec789ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffa7b36e04e7e77353de21c931d4dfa34c1120cf12a0fd70f4f147fbec789ca", kill_on_drop: false }`
[INFO] [stdout] 2ffa7b36e04e7e77353de21c931d4dfa34c1120cf12a0fd70f4f147fbec789ca