[INFO] fetching crate darling_macro 0.21.3...
[INFO] testing darling_macro-0.21.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate darling_macro 0.21.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate darling_macro 0.21.3
[INFO] finished tweaking crates.io crate darling_macro 0.21.3
[INFO] tweaked toml for crates.io crate darling_macro 0.21.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate darling_macro 0.21.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate darling_macro 0.21.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_core v0.21.3
[INFO] [stderr]   Downloaded syn v2.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a748f6d6eb2436e5744755458f914e9bfca7588a9303248c5ff9d2cc033e29
[INFO] running `Command { std: "docker" "start" "-a" "96a748f6d6eb2436e5744755458f914e9bfca7588a9303248c5ff9d2cc033e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a748f6d6eb2436e5744755458f914e9bfca7588a9303248c5ff9d2cc033e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a748f6d6eb2436e5744755458f914e9bfca7588a9303248c5ff9d2cc033e29", kill_on_drop: false }`
[INFO] [stdout] 96a748f6d6eb2436e5744755458f914e9bfca7588a9303248c5ff9d2cc033e29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f9dc6e8ed5e639c553d96e8c63be4827bec8afbbc524dfdfc6011483334428
[INFO] running `Command { std: "docker" "start" "-a" "e9f9dc6e8ed5e639c553d96e8c63be4827bec8afbbc524dfdfc6011483334428", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.56
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_macro v0.21.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "e9f9dc6e8ed5e639c553d96e8c63be4827bec8afbbc524dfdfc6011483334428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f9dc6e8ed5e639c553d96e8c63be4827bec8afbbc524dfdfc6011483334428", kill_on_drop: false }`
[INFO] [stdout] e9f9dc6e8ed5e639c553d96e8c63be4827bec8afbbc524dfdfc6011483334428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f32ff3eb92454cadab7d9a0828e6d82b3d62ccb15823cbc045d90e7500ede25
[INFO] running `Command { std: "docker" "start" "-a" "1f32ff3eb92454cadab7d9a0828e6d82b3d62ccb15823cbc045d90e7500ede25", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_macro v0.21.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1f32ff3eb92454cadab7d9a0828e6d82b3d62ccb15823cbc045d90e7500ede25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f32ff3eb92454cadab7d9a0828e6d82b3d62ccb15823cbc045d90e7500ede25", kill_on_drop: false }`
[INFO] [stdout] 1f32ff3eb92454cadab7d9a0828e6d82b3d62ccb15823cbc045d90e7500ede25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93bd11f8119a95d5db4250e6072734bd18612244967c11b5ee5463fbf4e9fc73
[INFO] running `Command { std: "docker" "start" "-a" "93bd11f8119a95d5db4250e6072734bd18612244967c11b5ee5463fbf4e9fc73", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/darling_macro-ced22e0065b6f16b)
[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 darling_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" "93bd11f8119a95d5db4250e6072734bd18612244967c11b5ee5463fbf4e9fc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bd11f8119a95d5db4250e6072734bd18612244967c11b5ee5463fbf4e9fc73", kill_on_drop: false }`
[INFO] [stdout] 93bd11f8119a95d5db4250e6072734bd18612244967c11b5ee5463fbf4e9fc73