[INFO] fetching crate kas-macros 0.6.0...
[INFO] testing kas-macros-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kas-macros 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kas-macros 0.6.0 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 kas-macros 0.6.0
[INFO] finished tweaking crates.io crate kas-macros 0.6.0
[INFO] tweaked toml for crates.io crate kas-macros 0.6.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 9f42a115740221c11071790893ad0e36659e3d57bd69229d109a8e1eaeaf5aac
[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" "9f42a115740221c11071790893ad0e36659e3d57bd69229d109a8e1eaeaf5aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f42a115740221c11071790893ad0e36659e3d57bd69229d109a8e1eaeaf5aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f42a115740221c11071790893ad0e36659e3d57bd69229d109a8e1eaeaf5aac", kill_on_drop: false }`
[INFO] [stdout] 9f42a115740221c11071790893ad0e36659e3d57bd69229d109a8e1eaeaf5aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7aa37cf8effd491ea303c01009991bd9790dedae1ddb7c72d714a17f6317e06b
[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" "7aa37cf8effd491ea303c01009991bd9790dedae1ddb7c72d714a17f6317e06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling kas-macros v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "7aa37cf8effd491ea303c01009991bd9790dedae1ddb7c72d714a17f6317e06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa37cf8effd491ea303c01009991bd9790dedae1ddb7c72d714a17f6317e06b", kill_on_drop: false }`
[INFO] [stdout] 7aa37cf8effd491ea303c01009991bd9790dedae1ddb7c72d714a17f6317e06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7bc3fae976a6f9a84f88b389acd5ac8fb726825d7bfd68d364f932ad0f35655
[INFO] running `Command { std: "docker" "start" "-a" "f7bc3fae976a6f9a84f88b389acd5ac8fb726825d7bfd68d364f932ad0f35655", kill_on_drop: false }`
[INFO] [stderr]    Compiling kas-macros v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "f7bc3fae976a6f9a84f88b389acd5ac8fb726825d7bfd68d364f932ad0f35655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bc3fae976a6f9a84f88b389acd5ac8fb726825d7bfd68d364f932ad0f35655", kill_on_drop: false }`
[INFO] [stdout] f7bc3fae976a6f9a84f88b389acd5ac8fb726825d7bfd68d364f932ad0f35655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9b4df69a375c1eb59cea1dcea633be006df09343fd85d6d9cae8e64b862ce7eb
[INFO] running `Command { std: "docker" "start" "-a" "9b4df69a375c1eb59cea1dcea633be006df09343fd85d6d9cae8e64b862ce7eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kas_macros-7354c9c969a5af15
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kas-macros
[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" "9b4df69a375c1eb59cea1dcea633be006df09343fd85d6d9cae8e64b862ce7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4df69a375c1eb59cea1dcea633be006df09343fd85d6d9cae8e64b862ce7eb", kill_on_drop: false }`
[INFO] [stdout] 9b4df69a375c1eb59cea1dcea633be006df09343fd85d6d9cae8e64b862ce7eb