[INFO] fetching crate rx_core_operator_buffer_count 0.2.1...
[INFO] testing rx_core_operator_buffer_count-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rx_core_operator_buffer_count 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rx_core_operator_buffer_count 0.2.1
[INFO] finished tweaking crates.io crate rx_core_operator_buffer_count 0.2.1
[INFO] tweaked toml for crates.io crate rx_core_operator_buffer_count 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_core_operator_buffer_count 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_buffer_count 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 variadics_please v1.1.0
[INFO] [stderr]   Downloaded rx_core_macro_observer_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_observable_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_subscription_derive v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_common v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_composite v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_operator_derive v0.2.1
[INFO] [stderr]   Downloaded derive-where v1.6.0
[INFO] [stderr]   Downloaded rx_core_common v0.2.1
[INFO] [stderr]   Downloaded rx_core_macro_subscriber_derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f1cc728570e27ac68384bbda1b57cfc5ed5fd9422b3810fc49101cc0c74808e0
[INFO] running `Command { std: "docker" "start" "-a" "f1cc728570e27ac68384bbda1b57cfc5ed5fd9422b3810fc49101cc0c74808e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1cc728570e27ac68384bbda1b57cfc5ed5fd9422b3810fc49101cc0c74808e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cc728570e27ac68384bbda1b57cfc5ed5fd9422b3810fc49101cc0c74808e0", kill_on_drop: false }`
[INFO] [stdout] f1cc728570e27ac68384bbda1b57cfc5ed5fd9422b3810fc49101cc0c74808e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e0b69bb1d05b3f127c56a2a0088d6ba778579ead469bf60f5fd0631266860d01
[INFO] running `Command { std: "docker" "start" "-a" "e0b69bb1d05b3f127c56a2a0088d6ba778579ead469bf60f5fd0631266860d01", kill_on_drop: false }`
[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 derive-where v1.6.0
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling rx_core_macro_common v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subscriber_derive 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_subscription_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_observer_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_common v0.2.1
[INFO] [stderr]    Compiling rx_core_operator_buffer_count v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "e0b69bb1d05b3f127c56a2a0088d6ba778579ead469bf60f5fd0631266860d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b69bb1d05b3f127c56a2a0088d6ba778579ead469bf60f5fd0631266860d01", kill_on_drop: false }`
[INFO] [stdout] e0b69bb1d05b3f127c56a2a0088d6ba778579ead469bf60f5fd0631266860d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 423af1370fcbfcb33030b488b51fd778a5ee2182ca251f47e938c29974ff336d
[INFO] running `Command { std: "docker" "start" "-a" "423af1370fcbfcb33030b488b51fd778a5ee2182ca251f47e938c29974ff336d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rx_core_operator_buffer_count v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "423af1370fcbfcb33030b488b51fd778a5ee2182ca251f47e938c29974ff336d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423af1370fcbfcb33030b488b51fd778a5ee2182ca251f47e938c29974ff336d", kill_on_drop: false }`
[INFO] [stdout] 423af1370fcbfcb33030b488b51fd778a5ee2182ca251f47e938c29974ff336d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f6ad5ecb017fad2f5b7bf77d4f74ae10a94ec51ff2ee33d61db6c3919e8c125
[INFO] running `Command { std: "docker" "start" "-a" "0f6ad5ecb017fad2f5b7bf77d4f74ae10a94ec51ff2ee33d61db6c3919e8c125", 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_buffer_count-eaf004a5a8f4dacc)
[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_buffer_count
[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" "0f6ad5ecb017fad2f5b7bf77d4f74ae10a94ec51ff2ee33d61db6c3919e8c125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6ad5ecb017fad2f5b7bf77d4f74ae10a94ec51ff2ee33d61db6c3919e8c125", kill_on_drop: false }`
[INFO] [stdout] 0f6ad5ecb017fad2f5b7bf77d4f74ae10a94ec51ff2ee33d61db6c3919e8c125