[INFO] fetching crate tracing-core 0.1.36...
[INFO] testing tracing-core-0.1.36 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tracing-core 0.1.36 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tracing-core 0.1.36
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-core 0.1.36
[INFO] tweaked toml for crates.io crate tracing-core 0.1.36 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-core 0.1.36 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-core 0.1.36 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da70962768d018c6770025fbee338bafedb8a72a16812a2ffe0eb786981750c
[INFO] running `Command { std: "docker" "start" "-a" "5da70962768d018c6770025fbee338bafedb8a72a16812a2ffe0eb786981750c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da70962768d018c6770025fbee338bafedb8a72a16812a2ffe0eb786981750c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da70962768d018c6770025fbee338bafedb8a72a16812a2ffe0eb786981750c", kill_on_drop: false }`
[INFO] [stdout] 5da70962768d018c6770025fbee338bafedb8a72a16812a2ffe0eb786981750c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9691a534cb58eecd31108d6dec1bd103d771511f4406ee2d25443e505e5379
[INFO] running `Command { std: "docker" "start" "-a" "6e9691a534cb58eecd31108d6dec1bd103d771511f4406ee2d25443e505e5379", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "6e9691a534cb58eecd31108d6dec1bd103d771511f4406ee2d25443e505e5379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9691a534cb58eecd31108d6dec1bd103d771511f4406ee2d25443e505e5379", kill_on_drop: false }`
[INFO] [stdout] 6e9691a534cb58eecd31108d6dec1bd103d771511f4406ee2d25443e505e5379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d99271632f27a55d6b8c0510c5518ba7f33bf5ab7de270a2f5e26cecb0fc833
[INFO] running `Command { std: "docker" "start" "-a" "8d99271632f27a55d6b8c0510c5518ba7f33bf5ab7de270a2f5e26cecb0fc833", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "8d99271632f27a55d6b8c0510c5518ba7f33bf5ab7de270a2f5e26cecb0fc833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d99271632f27a55d6b8c0510c5518ba7f33bf5ab7de270a2f5e26cecb0fc833", kill_on_drop: false }`
[INFO] [stdout] 8d99271632f27a55d6b8c0510c5518ba7f33bf5ab7de270a2f5e26cecb0fc833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 126d4d491ad72abdafd5d52f54a064a075187a6cfbe19043fad594cc93a53ba6
[INFO] running `Command { std: "docker" "start" "-a" "126d4d491ad72abdafd5d52f54a064a075187a6cfbe19043fad594cc93a53ba6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_core-1c1a4796a8556780)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test dispatcher::test::default_dispatch ... ok
[INFO] [stdout] test dispatcher::test::dispatch_is ... ok
[INFO] [stdout] test dispatcher::test::events_dont_infinite_loop ... ok
[INFO] [stdout] test field::test::empty_fields_are_skipped ... ok
[INFO] [stdout] test field::test::empty_value_set_is_empty ... ok
[INFO] [stdout] test dispatcher::test::default_no_subscriber ... ok
[INFO] [stdout] test field::test::fields_from_other_callsets_are_skipped ... ok
[INFO] [stdout] test dispatcher::test::dispatch_downcasts ... ok
[INFO] [stdout] test dispatcher::test::spans_dont_infinite_loop ... ok
[INFO] [stdout] test field::test::index_of_field_in_fieldset_is_correct ... ok
[INFO] [stdout] test field::test::record_debug_fn ... ok
[INFO] [stdout] test field::test::record_error ... ok
[INFO] [stdout] test field::test::record_bytes ... ok
[INFO] [stdout] test field::test::sparse_value_sets_are_not_empty ... ok
[INFO] [stdout] test field::test::value_set_with_no_values_is_empty ... ok
[INFO] [stdout] test field::test::value_sets_with_fields_from_other_callsites_are_empty ... ok
[INFO] [stdout] test metadata::tests::filter_level_conversion ... ok
[INFO] [stdout] test metadata::tests::level_filter_is_usize_sized ... ok
[INFO] [stdout] test metadata::tests::level_from_str ... ok
[INFO] [stdout] test metadata::tests::level_filter_reprs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dispatch.rs (/opt/rustwide/target/debug/deps/dispatch-c54270f5f5df63f3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test set_default_dispatch ... ok
[INFO] [stdout] test nested_set_default ... ok
[INFO] [stderr]      Running tests/global_dispatch.rs (/opt/rustwide/target/debug/deps/global_dispatch-3cb9fdca517f3f7b)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test global_dispatch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/local_dispatch_before_init.rs (/opt/rustwide/target/debug/deps/local_dispatch_before_init-ee94dbc792ffab81)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test local_dispatch_before_init ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macros.rs (/opt/rustwide/target/debug/deps/macros-62ff781036949d78)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test metadata_macro_api ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/missed_register_callsite.rs (/opt/rustwide/target/debug/deps/missed_register_callsite-5bfdd80ac5e2f333)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test event_before_register ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_core
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/field.rs - field (line 55) ... ignored
[INFO] [stdout] test src/subscriber.rs - subscriber::Subscriber::record (line 278) ... ignored
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 132) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 234) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher::WeakDispatch::upgrade (line 770) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 203) ... ok
[INFO] [stdout] test src/lib.rs - identify_callsite (line 168) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 151) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 48) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 25) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 103) ... ok
[INFO] [stdout] test src/lib.rs - metadata (line 201) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "126d4d491ad72abdafd5d52f54a064a075187a6cfbe19043fad594cc93a53ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126d4d491ad72abdafd5d52f54a064a075187a6cfbe19043fad594cc93a53ba6", kill_on_drop: false }`
[INFO] [stdout] 126d4d491ad72abdafd5d52f54a064a075187a6cfbe19043fad594cc93a53ba6