[INFO] fetching crate mainstay-attribute-event 0.30.1...
[INFO] testing mainstay-attribute-event-0.30.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mainstay-attribute-event 0.30.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mainstay-attribute-event 0.30.1
[INFO] finished tweaking crates.io crate mainstay-attribute-event 0.30.1
[INFO] tweaked toml for crates.io crate mainstay-attribute-event 0.30.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mainstay-attribute-event 0.30.1 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]     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 41 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] feb961f03703fa550e30b6f5b93258d598f7c96b2aadadfdb54ed47a03dbcce9
[INFO] running `Command { std: "docker" "start" "-a" "feb961f03703fa550e30b6f5b93258d598f7c96b2aadadfdb54ed47a03dbcce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feb961f03703fa550e30b6f5b93258d598f7c96b2aadadfdb54ed47a03dbcce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb961f03703fa550e30b6f5b93258d598f7c96b2aadadfdb54ed47a03dbcce9", kill_on_drop: false }`
[INFO] [stdout] feb961f03703fa550e30b6f5b93258d598f7c96b2aadadfdb54ed47a03dbcce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4bf2ace709b7575ecba10d2d14f59e6b7a6814fc4e72dea8def9ff8f83ed65b5
[INFO] running `Command { std: "docker" "start" "-a" "4bf2ace709b7575ecba10d2d14f59e6b7a6814fc4e72dea8def9ff8f83ed65b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling mainstay-syn v0.30.2
[INFO] [stderr]    Compiling mainstay-attribute-event v0.30.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `Command { std: "docker" "inspect" "4bf2ace709b7575ecba10d2d14f59e6b7a6814fc4e72dea8def9ff8f83ed65b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf2ace709b7575ecba10d2d14f59e6b7a6814fc4e72dea8def9ff8f83ed65b5", kill_on_drop: false }`
[INFO] [stdout] 4bf2ace709b7575ecba10d2d14f59e6b7a6814fc4e72dea8def9ff8f83ed65b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 847e48500372732765b43a22618593f194be6335d4e4099f91e02e416b8b1e68
[INFO] running `Command { std: "docker" "start" "-a" "847e48500372732765b43a22618593f194be6335d4e4099f91e02e416b8b1e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling mainstay-attribute-event v0.30.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "847e48500372732765b43a22618593f194be6335d4e4099f91e02e416b8b1e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847e48500372732765b43a22618593f194be6335d4e4099f91e02e416b8b1e68", kill_on_drop: false }`
[INFO] [stdout] 847e48500372732765b43a22618593f194be6335d4e4099f91e02e416b8b1e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fa064ce678bb0eee5ceeb613076061a7b8cbcc46f4c28476d266c43a2ab7a54c
[INFO] running `Command { std: "docker" "start" "-a" "fa064ce678bb0eee5ceeb613076061a7b8cbcc46f4c28476d266c43a2ab7a54c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mainstay_attribute_event-0bf9295f19a7c16b)
[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 mainstay_attribute_event
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - emit (line 78) ... ignored
[INFO] [stdout] test src/lib.rs - emit (line 83) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa064ce678bb0eee5ceeb613076061a7b8cbcc46f4c28476d266c43a2ab7a54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa064ce678bb0eee5ceeb613076061a7b8cbcc46f4c28476d266c43a2ab7a54c", kill_on_drop: false }`
[INFO] [stdout] fa064ce678bb0eee5ceeb613076061a7b8cbcc46f4c28476d266c43a2ab7a54c