[INFO] fetching crate rx_core_operator_is_empty 0.2.1...
[INFO] testing rx_core_operator_is_empty-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate rx_core_operator_is_empty 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rx_core_operator_is_empty 0.2.1
[INFO] finished tweaking crates.io crate rx_core_operator_is_empty 0.2.1
[INFO] tweaked toml for crates.io crate rx_core_operator_is_empty 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_core_operator_is_empty 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rx_core_operator_is_empty 0.2.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded disqualified v1.0.0
[INFO] [stderr]   Downloaded rx_core_macro_operator_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_observable_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_observer_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_subscription_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_composite v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_subscriber_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_common v0.2.1
[INFO] [stderr]   Downloaded rx_core_common v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9f743cab674978bb094fb80c5f1f7ea9f924680ce275fdf6ad08745e45d258
[INFO] running `Command { std: "docker" "start" "-a" "2b9f743cab674978bb094fb80c5f1f7ea9f924680ce275fdf6ad08745e45d258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9f743cab674978bb094fb80c5f1f7ea9f924680ce275fdf6ad08745e45d258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9f743cab674978bb094fb80c5f1f7ea9f924680ce275fdf6ad08745e45d258", kill_on_drop: false }`
[INFO] [stdout] 2b9f743cab674978bb094fb80c5f1f7ea9f924680ce275fdf6ad08745e45d258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f805a9cba74cc7bdf7ed3a574d2c5ecb03b80474b89b677e7e41b6226b96b7
[INFO] running `Command { std: "docker" "start" "-a" "51f805a9cba74cc7bdf7ed3a574d2c5ecb03b80474b89b677e7e41b6226b96b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling disqualified v1.0.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling rx_core_macro_common v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_observable_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_operator_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_observer_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subscriber_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subscription_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_common v0.2.1
[INFO] [stderr]    Compiling rx_core_operator_is_empty v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "51f805a9cba74cc7bdf7ed3a574d2c5ecb03b80474b89b677e7e41b6226b96b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f805a9cba74cc7bdf7ed3a574d2c5ecb03b80474b89b677e7e41b6226b96b7", kill_on_drop: false }`
[INFO] [stdout] 51f805a9cba74cc7bdf7ed3a574d2c5ecb03b80474b89b677e7e41b6226b96b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cffdb5cbb758abe41de8a62d96aed7d668dcadd783df2ed6acc52f2a3d7ac0b
[INFO] running `Command { std: "docker" "start" "-a" "6cffdb5cbb758abe41de8a62d96aed7d668dcadd783df2ed6acc52f2a3d7ac0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rx_core_operator_is_empty v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6cffdb5cbb758abe41de8a62d96aed7d668dcadd783df2ed6acc52f2a3d7ac0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cffdb5cbb758abe41de8a62d96aed7d668dcadd783df2ed6acc52f2a3d7ac0b", kill_on_drop: false }`
[INFO] [stdout] 6cffdb5cbb758abe41de8a62d96aed7d668dcadd783df2ed6acc52f2a3d7ac0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b254531fb8b6a901d23a2ccbc13ad4425f64d2a0669585d4ecc43f7e0f73c15
[INFO] running `Command { std: "docker" "start" "-a" "4b254531fb8b6a901d23a2ccbc13ad4425f64d2a0669585d4ecc43f7e0f73c15", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rx_core_operator_is_empty-c939334e9dc41bf8)
[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 rx_core_operator_is_empty
[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" "4b254531fb8b6a901d23a2ccbc13ad4425f64d2a0669585d4ecc43f7e0f73c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b254531fb8b6a901d23a2ccbc13ad4425f64d2a0669585d4ecc43f7e0f73c15", kill_on_drop: false }`
[INFO] [stdout] 4b254531fb8b6a901d23a2ccbc13ad4425f64d2a0669585d4ecc43f7e0f73c15