[INFO] fetching crate metrics-macros 0.4.0...
[INFO] testing metrics-macros-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate metrics-macros 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate metrics-macros 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-macros 0.4.0
[INFO] finished tweaking crates.io crate metrics-macros 0.4.0
[INFO] tweaked toml for crates.io crate metrics-macros 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a06b783544b3e4ad610b247baa4566ed49f136002ff489fa2888828fc8c89de7
[INFO] running `Command { std: "docker" "start" "-a" "a06b783544b3e4ad610b247baa4566ed49f136002ff489fa2888828fc8c89de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a06b783544b3e4ad610b247baa4566ed49f136002ff489fa2888828fc8c89de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06b783544b3e4ad610b247baa4566ed49f136002ff489fa2888828fc8c89de7", kill_on_drop: false }`
[INFO] [stdout] a06b783544b3e4ad610b247baa4566ed49f136002ff489fa2888828fc8c89de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ec7f9ca88e8e432a08bdeac42c5218bef5b3f26956802369987b626f0e7756
[INFO] running `Command { std: "docker" "start" "-a" "a6ec7f9ca88e8e432a08bdeac42c5218bef5b3f26956802369987b626f0e7756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling metrics-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `Command { std: "docker" "inspect" "a6ec7f9ca88e8e432a08bdeac42c5218bef5b3f26956802369987b626f0e7756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ec7f9ca88e8e432a08bdeac42c5218bef5b3f26956802369987b626f0e7756", kill_on_drop: false }`
[INFO] [stdout] a6ec7f9ca88e8e432a08bdeac42c5218bef5b3f26956802369987b626f0e7756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5399029a0b4d448c091d76e3e0f3c22f27b626a630f03b8635a843b7c9799a
[INFO] running `Command { std: "docker" "start" "-a" "fe5399029a0b4d448c091d76e3e0f3c22f27b626a630f03b8635a843b7c9799a", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "fe5399029a0b4d448c091d76e3e0f3c22f27b626a630f03b8635a843b7c9799a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5399029a0b4d448c091d76e3e0f3c22f27b626a630f03b8635a843b7c9799a", kill_on_drop: false }`
[INFO] [stdout] fe5399029a0b4d448c091d76e3e0f3c22f27b626a630f03b8635a843b7c9799a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 975c293fcc99c1790ff58b4095e1b5f610244cbf9e11f89fcf603990d862f69b
[INFO] running `Command { std: "docker" "start" "-a" "975c293fcc99c1790ff58b4095e1b5f610244cbf9e11f89fcf603990d862f69b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_macros-6b0e4e65d646e26d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_get_expanded_callsite_owned_name_dynamic_inline_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_owned_name_existing_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_owned_name_no_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_static_name_dynamic_inline_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_static_name_existing_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_owned_name_static_inline_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_static_name_no_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_registration_with_description ... ok
[INFO] [stdout] test tests::test_get_expanded_registration ... ok
[INFO] [stdout] test tests::test_get_expanded_callsite_static_name_static_inline_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_registration_with_unit ... ok
[INFO] [stdout] test tests::test_labels_to_quoted_existing_labels ... ok
[INFO] [stdout] test tests::test_get_expanded_registration_with_unit_and_description ... ok
[INFO] [stdout] test tests::test_labels_to_quoted_inline_labels_empty ... ok
[INFO] [stdout] test tests::test_labels_to_quoted_inline_labels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-macros
[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" "975c293fcc99c1790ff58b4095e1b5f610244cbf9e11f89fcf603990d862f69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975c293fcc99c1790ff58b4095e1b5f610244cbf9e11f89fcf603990d862f69b", kill_on_drop: false }`
[INFO] [stdout] 975c293fcc99c1790ff58b4095e1b5f610244cbf9e11f89fcf603990d862f69b