[INFO] fetching crate metrics-tracing-context 0.10.0...
[INFO] testing metrics-tracing-context-0.10.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate metrics-tracing-context 0.10.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate metrics-tracing-context 0.10.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-tracing-context 0.10.0
[INFO] finished tweaking crates.io crate metrics-tracing-context 0.10.0
[INFO] tweaked toml for crates.io crate metrics-tracing-context 0.10.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.11.1
[INFO] [stderr]   Downloaded lockfree-object-pool v0.1.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0910d5be844e6ee235fbf88572b165423f6d3efefa6f3afda3f189564f784329
[INFO] running `Command { std: "docker" "start" "-a" "0910d5be844e6ee235fbf88572b165423f6d3efefa6f3afda3f189564f784329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0910d5be844e6ee235fbf88572b165423f6d3efefa6f3afda3f189564f784329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0910d5be844e6ee235fbf88572b165423f6d3efefa6f3afda3f189564f784329", kill_on_drop: false }`
[INFO] [stdout] 0910d5be844e6ee235fbf88572b165423f6d3efefa6f3afda3f189564f784329
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c404a4c16f338519af06c467a040a8fd06d5f2cdd9ebd9677c93339e0f6e0f
[INFO] running `Command { std: "docker" "start" "-a" "28c404a4c16f338519af06c467a040a8fd06d5f2cdd9ebd9677c93339e0f6e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling atomic-shim v0.2.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.25
[INFO] [stderr]    Compiling raw-cpuid v10.3.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling metrics-util v0.11.1
[INFO] [stderr]    Compiling metrics-tracing-context v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "28c404a4c16f338519af06c467a040a8fd06d5f2cdd9ebd9677c93339e0f6e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c404a4c16f338519af06c467a040a8fd06d5f2cdd9ebd9677c93339e0f6e0f", kill_on_drop: false }`
[INFO] [stdout] 28c404a4c16f338519af06c467a040a8fd06d5f2cdd9ebd9677c93339e0f6e0f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94b9bc83c75d81d21727b5c459ce711b6b8b0ffc7619e36daa6f92fe3082897f
[INFO] running `Command { std: "docker" "start" "-a" "94b9bc83c75d81d21727b5c459ce711b6b8b0ffc7619e36daa6f92fe3082897f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling metrics-tracing-context v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "94b9bc83c75d81d21727b5c459ce711b6b8b0ffc7619e36daa6f92fe3082897f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b9bc83c75d81d21727b5c459ce711b6b8b0ffc7619e36daa6f92fe3082897f", kill_on_drop: false }`
[INFO] [stdout] 94b9bc83c75d81d21727b5c459ce711b6b8b0ffc7619e36daa6f92fe3082897f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d45cc4a5787fa61c8994dcf5fb83206dfec83ea94b18d5e004dca4233bc8141
[INFO] running `Command { std: "docker" "start" "-a" "7d45cc4a5787fa61c8994dcf5fb83206dfec83ea94b18d5e004dca4233bc8141", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_tracing_context-8693aa2431d3fbac)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9a8bbe8d830f4176)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_basic_functionality ... ok
[INFO] [stdout] test test_macro_forms ... ok
[INFO] [stdout] test test_label_filtering ... ok
[INFO] [stdout] test test_multiple_paths_to_the_same_callsite ... ok
[INFO] [stdout] test test_nested_spans ... ok
[INFO] [stdout] test test_no_labels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-tracing-context
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d45cc4a5787fa61c8994dcf5fb83206dfec83ea94b18d5e004dca4233bc8141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d45cc4a5787fa61c8994dcf5fb83206dfec83ea94b18d5e004dca4233bc8141", kill_on_drop: false }`
[INFO] [stdout] 7d45cc4a5787fa61c8994dcf5fb83206dfec83ea94b18d5e004dca4233bc8141