[INFO] fetching crate wit-walrus 0.6.0...
[INFO] testing wit-walrus-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate wit-walrus 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate wit-walrus 0.6.0
[INFO] finished tweaking crates.io crate wit-walrus 0.6.0
[INFO] tweaked toml for crates.io crate wit-walrus 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wit-walrus 0.6.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding walrus v0.19.0 (available: v0.23.3)
[INFO] [stderr]       Adding wit-parser v0.2.0 (available: v0.239.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2bc5d5a558c37b7fc674c5a3676115f76d69e3e7e6e8abd36f0dc8dfb6a41891
[INFO] running `Command { std: "docker" "start" "-a" "2bc5d5a558c37b7fc674c5a3676115f76d69e3e7e6e8abd36f0dc8dfb6a41891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc5d5a558c37b7fc674c5a3676115f76d69e3e7e6e8abd36f0dc8dfb6a41891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc5d5a558c37b7fc674c5a3676115f76d69e3e7e6e8abd36f0dc8dfb6a41891", kill_on_drop: false }`
[INFO] [stdout] 2bc5d5a558c37b7fc674c5a3676115f76d69e3e7e6e8abd36f0dc8dfb6a41891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e7044e4fe7e7a581b89979d521a34ef31ffb718f8f94d754fb8bb45bd195a1b8
[INFO] running `Command { std: "docker" "start" "-a" "e7044e4fe7e7a581b89979d521a34ef31ffb718f8f94d754fb8bb45bd195a1b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling wit-schema-version v0.1.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wasmparser v0.77.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling wit-writer v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling wit-parser v0.2.0
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]    Compiling walrus v0.19.0
[INFO] [stderr]    Compiling wit-walrus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "e7044e4fe7e7a581b89979d521a34ef31ffb718f8f94d754fb8bb45bd195a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7044e4fe7e7a581b89979d521a34ef31ffb718f8f94d754fb8bb45bd195a1b8", kill_on_drop: false }`
[INFO] [stdout] e7044e4fe7e7a581b89979d521a34ef31ffb718f8f94d754fb8bb45bd195a1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 434b1f9269c9f47e1a4e3b668067f3828bded2036b27e71ee5fa24563aa9e908
[INFO] running `Command { std: "docker" "start" "-a" "434b1f9269c9f47e1a4e3b668067f3828bded2036b27e71ee5fa24563aa9e908", kill_on_drop: false }`
[INFO] [stderr]    Compiling wit-walrus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "434b1f9269c9f47e1a4e3b668067f3828bded2036b27e71ee5fa24563aa9e908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434b1f9269c9f47e1a4e3b668067f3828bded2036b27e71ee5fa24563aa9e908", kill_on_drop: false }`
[INFO] [stdout] 434b1f9269c9f47e1a4e3b668067f3828bded2036b27e71ee5fa24563aa9e908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4fd88ade77c382c9abbbe57ebe1d6bec4c128b1c9648593383ffcc4dad85dec6
[INFO] running `Command { std: "docker" "start" "-a" "4fd88ade77c382c9abbbe57ebe1d6bec4c128b1c9648593383ffcc4dad85dec6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wit_walrus-500987c70b740d33)
[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 wit_walrus
[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" "4fd88ade77c382c9abbbe57ebe1d6bec4c128b1c9648593383ffcc4dad85dec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd88ade77c382c9abbbe57ebe1d6bec4c128b1c9648593383ffcc4dad85dec6", kill_on_drop: false }`
[INFO] [stdout] 4fd88ade77c382c9abbbe57ebe1d6bec4c128b1c9648593383ffcc4dad85dec6