[INFO] fetching crate embercat 0.0.0...
[INFO] testing embercat-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate embercat 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate embercat 0.0.0
[INFO] finished tweaking crates.io crate embercat 0.0.0
[INFO] tweaked toml for crates.io crate embercat 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embercat 0.0.0 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] 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 139 packages to latest compatible versions
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.45 (available: v0.4.54)
[INFO] [stderr]       Adding web-sys v0.3.72 (available: v0.3.81)
[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] 0ff129a828d272c2bd6e6ca87339c88f0994385d66d143026088a418abb01b1b
[INFO] running `Command { std: "docker" "start" "-a" "0ff129a828d272c2bd6e6ca87339c88f0994385d66d143026088a418abb01b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff129a828d272c2bd6e6ca87339c88f0994385d66d143026088a418abb01b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff129a828d272c2bd6e6ca87339c88f0994385d66d143026088a418abb01b1b", kill_on_drop: false }`
[INFO] [stdout] 0ff129a828d272c2bd6e6ca87339c88f0994385d66d143026088a418abb01b1b
[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] cf5dec08ba277500137397bf897ec08cef1c8730f45acc1de181314cb14c4c1f
[INFO] running `Command { std: "docker" "start" "-a" "cf5dec08ba277500137397bf897ec08cef1c8730f45acc1de181314cb14c4c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wgpu-types v0.16.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling glow v0.12.3
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling gpu-alloc v0.5.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling gpu-descriptor v0.2.4
[INFO] [stderr]    Compiling naga v0.12.3
[INFO] [stderr]    Compiling chandra-kernel v0.0.0
[INFO] [stderr]    Compiling wgpu-hal v0.16.2
[INFO] [stderr]    Compiling wgpu-core v0.16.1
[INFO] [stderr]    Compiling wgpu v0.16.3
[INFO] [stderr]    Compiling chandra v0.0.0
[INFO] [stderr]    Compiling embercat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.00s
[INFO] running `Command { std: "docker" "inspect" "cf5dec08ba277500137397bf897ec08cef1c8730f45acc1de181314cb14c4c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5dec08ba277500137397bf897ec08cef1c8730f45acc1de181314cb14c4c1f", kill_on_drop: false }`
[INFO] [stdout] cf5dec08ba277500137397bf897ec08cef1c8730f45acc1de181314cb14c4c1f
[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] 959fd1f7d93268a8b0b61340bd58d9a808de05235ebc713a4a0399645a16ee7e
[INFO] running `Command { std: "docker" "start" "-a" "959fd1f7d93268a8b0b61340bd58d9a808de05235ebc713a4a0399645a16ee7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling embercat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "959fd1f7d93268a8b0b61340bd58d9a808de05235ebc713a4a0399645a16ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959fd1f7d93268a8b0b61340bd58d9a808de05235ebc713a4a0399645a16ee7e", kill_on_drop: false }`
[INFO] [stdout] 959fd1f7d93268a8b0b61340bd58d9a808de05235ebc713a4a0399645a16ee7e
[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] ad7b6c6b8ea56cddc91015e7cb3bb0a79364c933cf02dab31211acbc659ea068
[INFO] running `Command { std: "docker" "start" "-a" "ad7b6c6b8ea56cddc91015e7cb3bb0a79364c933cf02dab31211acbc659ea068", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/embercat-ba70f45c11d20807)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests embercat
[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" "ad7b6c6b8ea56cddc91015e7cb3bb0a79364c933cf02dab31211acbc659ea068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7b6c6b8ea56cddc91015e7cb3bb0a79364c933cf02dab31211acbc659ea068", kill_on_drop: false }`
[INFO] [stdout] ad7b6c6b8ea56cddc91015e7cb3bb0a79364c933cf02dab31211acbc659ea068