[INFO] fetching crate darling_macro 0.11.0...
[INFO] testing darling_macro-0.11.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate darling_macro 0.11.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate darling_macro 0.11.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darling_macro 0.11.0
[INFO] finished tweaking crates.io crate darling_macro 0.11.0
[INFO] tweaked toml for crates.io crate darling_macro 0.11.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a075349e15f682888cad7b32f83b8022901c95fd1ec50a35e19d8070dd81d6d
[INFO] running `Command { std: "docker" "start" "-a" "7a075349e15f682888cad7b32f83b8022901c95fd1ec50a35e19d8070dd81d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a075349e15f682888cad7b32f83b8022901c95fd1ec50a35e19d8070dd81d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a075349e15f682888cad7b32f83b8022901c95fd1ec50a35e19d8070dd81d6d", kill_on_drop: false }`
[INFO] [stdout] 7a075349e15f682888cad7b32f83b8022901c95fd1ec50a35e19d8070dd81d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484824b55ffef80567b29a2a3f64e8d1f2c418ff646319bd518f339e8a4efac4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "484824b55ffef80567b29a2a3f64e8d1f2c418ff646319bd518f339e8a4efac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling darling_core v0.11.0
[INFO] [stderr]    Compiling darling_macro v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.02s
[INFO] running `Command { std: "docker" "inspect" "484824b55ffef80567b29a2a3f64e8d1f2c418ff646319bd518f339e8a4efac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484824b55ffef80567b29a2a3f64e8d1f2c418ff646319bd518f339e8a4efac4", kill_on_drop: false }`
[INFO] [stdout] 484824b55ffef80567b29a2a3f64e8d1f2c418ff646319bd518f339e8a4efac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d27cf7e6cfe7ef5ddf23fb42bb308f4bda1f73021095742092f6955bbe8dab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5d27cf7e6cfe7ef5ddf23fb42bb308f4bda1f73021095742092f6955bbe8dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_macro v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "c5d27cf7e6cfe7ef5ddf23fb42bb308f4bda1f73021095742092f6955bbe8dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d27cf7e6cfe7ef5ddf23fb42bb308f4bda1f73021095742092f6955bbe8dab", kill_on_drop: false }`
[INFO] [stdout] c5d27cf7e6cfe7ef5ddf23fb42bb308f4bda1f73021095742092f6955bbe8dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c78ff22c6c38b44c3c650bd5b1da758ae0f70492a3d8326aeeef157a2ae5ec69
[INFO] running `Command { std: "docker" "start" "-a" "c78ff22c6c38b44c3c650bd5b1da758ae0f70492a3d8326aeeef157a2ae5ec69", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/darling_macro-604c7b361f9197e9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests darling_macro
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c78ff22c6c38b44c3c650bd5b1da758ae0f70492a3d8326aeeef157a2ae5ec69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78ff22c6c38b44c3c650bd5b1da758ae0f70492a3d8326aeeef157a2ae5ec69", kill_on_drop: false }`
[INFO] [stdout] c78ff22c6c38b44c3c650bd5b1da758ae0f70492a3d8326aeeef157a2ae5ec69