[INFO] fetching crate observe-macro 0.1.0...
[INFO] testing observe-macro-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate observe-macro 0.1.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate observe-macro 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observe-macro 0.1.0
[INFO] finished tweaking crates.io crate observe-macro 0.1.0
[INFO] tweaked toml for crates.io crate observe-macro 0.1.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a0fcc64f9ab9d97474fa87b45985222b3bfb903e7989b89e205fd1ad3224a2
[INFO] running `Command { std: "docker" "start" "-a" "79a0fcc64f9ab9d97474fa87b45985222b3bfb903e7989b89e205fd1ad3224a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a0fcc64f9ab9d97474fa87b45985222b3bfb903e7989b89e205fd1ad3224a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a0fcc64f9ab9d97474fa87b45985222b3bfb903e7989b89e205fd1ad3224a2", kill_on_drop: false }`
[INFO] [stdout] 79a0fcc64f9ab9d97474fa87b45985222b3bfb903e7989b89e205fd1ad3224a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dac94ba093a74c403cae0e10315c2790db018c515a85a89c225b52ba57c9da7
[INFO] running `Command { std: "docker" "start" "-a" "4dac94ba093a74c403cae0e10315c2790db018c515a85a89c225b52ba57c9da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling observe-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "4dac94ba093a74c403cae0e10315c2790db018c515a85a89c225b52ba57c9da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dac94ba093a74c403cae0e10315c2790db018c515a85a89c225b52ba57c9da7", kill_on_drop: false }`
[INFO] [stdout] 4dac94ba093a74c403cae0e10315c2790db018c515a85a89c225b52ba57c9da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb4199cf6bc9bc7f23b7e87f6041fa9b604afd4357bcf508c1fa14246af9789
[INFO] running `Command { std: "docker" "start" "-a" "2eb4199cf6bc9bc7f23b7e87f6041fa9b604afd4357bcf508c1fa14246af9789", kill_on_drop: false }`
[INFO] [stderr]    Compiling observe-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "2eb4199cf6bc9bc7f23b7e87f6041fa9b604afd4357bcf508c1fa14246af9789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb4199cf6bc9bc7f23b7e87f6041fa9b604afd4357bcf508c1fa14246af9789", kill_on_drop: false }`
[INFO] [stdout] 2eb4199cf6bc9bc7f23b7e87f6041fa9b604afd4357bcf508c1fa14246af9789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f9f2cb230e9cf16b7156b173b86268b7b88508f7a9c843d72147812dea84885
[INFO] running `Command { std: "docker" "start" "-a" "6f9f2cb230e9cf16b7156b173b86268b7b88508f7a9c843d72147812dea84885", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/observe_macro-9ab0d0639117295b)
[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 observe-macro
[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" "6f9f2cb230e9cf16b7156b173b86268b7b88508f7a9c843d72147812dea84885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9f2cb230e9cf16b7156b173b86268b7b88508f7a9c843d72147812dea84885", kill_on_drop: false }`
[INFO] [stdout] 6f9f2cb230e9cf16b7156b173b86268b7b88508f7a9c843d72147812dea84885