[INFO] fetching crate metrics-macros 0.1.0-alpha.9...
[INFO] testing metrics-macros-0.1.0-alpha.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate metrics-macros 0.1.0-alpha.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate metrics-macros 0.1.0-alpha.9 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 metrics-macros 0.1.0-alpha.9
[INFO] finished tweaking crates.io crate metrics-macros 0.1.0-alpha.9
[INFO] tweaked toml for crates.io crate metrics-macros 0.1.0-alpha.9 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4bf39a34f7f4ced21f665626dfa0307c7eb5ed59e82c07809341cfa1c3af936e
[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" "4bf39a34f7f4ced21f665626dfa0307c7eb5ed59e82c07809341cfa1c3af936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf39a34f7f4ced21f665626dfa0307c7eb5ed59e82c07809341cfa1c3af936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf39a34f7f4ced21f665626dfa0307c7eb5ed59e82c07809341cfa1c3af936e", kill_on_drop: false }`
[INFO] [stdout] 4bf39a34f7f4ced21f665626dfa0307c7eb5ed59e82c07809341cfa1c3af936e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1609c9c48f6c2a8b5bb8a588656e3cb3386306c3f22788ecaff7a0e2e93be624
[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" "1609c9c48f6c2a8b5bb8a588656e3cb3386306c3f22788ecaff7a0e2e93be624", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling metrics-macros v0.1.0-alpha.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "1609c9c48f6c2a8b5bb8a588656e3cb3386306c3f22788ecaff7a0e2e93be624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1609c9c48f6c2a8b5bb8a588656e3cb3386306c3f22788ecaff7a0e2e93be624", kill_on_drop: false }`
[INFO] [stdout] 1609c9c48f6c2a8b5bb8a588656e3cb3386306c3f22788ecaff7a0e2e93be624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 61180a77b35c652ac4f7b950e5d0fe26e6d40ac42a5c4ae9db97b83047a97499
[INFO] running `Command { std: "docker" "start" "-a" "61180a77b35c652ac4f7b950e5d0fe26e6d40ac42a5c4ae9db97b83047a97499", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-macros v0.1.0-alpha.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "61180a77b35c652ac4f7b950e5d0fe26e6d40ac42a5c4ae9db97b83047a97499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61180a77b35c652ac4f7b950e5d0fe26e6d40ac42a5c4ae9db97b83047a97499", kill_on_drop: false }`
[INFO] [stdout] 61180a77b35c652ac4f7b950e5d0fe26e6d40ac42a5c4ae9db97b83047a97499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] acf43450ecbaf494df1f23b12097817ffa82ed63ca3619c81d552b4ecfc7f9ca
[INFO] running `Command { std: "docker" "start" "-a" "acf43450ecbaf494df1f23b12097817ffa82ed63ca3619c81d552b4ecfc7f9ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_macros-0e12274d42d3f2dc
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_key_to_quoted_existing_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_fast_path_dynamic_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_fast_path_static_labels ... ok
[INFO] [stdout] test tests::test_key_to_quoted_no_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_registration_with_unit_and_description ... ok
[INFO] [stdout] test tests::test_key_to_quoted_inline_labels_empty ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_fast_path_no_labels ... ok
[INFO] [stdout] test tests::test_key_to_quoted_inline_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_registration ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_regular_path ... ok
[INFO] [stdout] test tests::test_get_expanded_registration_with_unit ... ok
[INFO] [stderr]    Doc-tests metrics-macros
[INFO] [stdout] test tests::test_get_expanded_registration_with_description ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 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" "acf43450ecbaf494df1f23b12097817ffa82ed63ca3619c81d552b4ecfc7f9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf43450ecbaf494df1f23b12097817ffa82ed63ca3619c81d552b4ecfc7f9ca", kill_on_drop: false }`
[INFO] [stdout] acf43450ecbaf494df1f23b12097817ffa82ed63ca3619c81d552b4ecfc7f9ca