[INFO] fetching crate tracing-core 0.1.24...
[INFO] testing tracing-core-0.1.24 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tracing-core 0.1.24 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate tracing-core 0.1.24 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 tracing-core 0.1.24
[INFO] finished tweaking crates.io crate tracing-core 0.1.24
[INFO] tweaked toml for crates.io crate tracing-core 0.1.24 written to /workspace/builds/worker-63/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 351ce221353b469590eb756ca80e8e31b740984a491c2c510a798d0683b4104a
[INFO] running `Command { std: "docker" "start" "-a" "351ce221353b469590eb756ca80e8e31b740984a491c2c510a798d0683b4104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351ce221353b469590eb756ca80e8e31b740984a491c2c510a798d0683b4104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351ce221353b469590eb756ca80e8e31b740984a491c2c510a798d0683b4104a", kill_on_drop: false }`
[INFO] [stdout] 351ce221353b469590eb756ca80e8e31b740984a491c2c510a798d0683b4104a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 3508fa62ac933d499b964197b23c44ed5678114eb1875a838254810ad812e678
[INFO] running `Command { std: "docker" "start" "-a" "3508fa62ac933d499b964197b23c44ed5678114eb1875a838254810ad812e678", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "3508fa62ac933d499b964197b23c44ed5678114eb1875a838254810ad812e678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3508fa62ac933d499b964197b23c44ed5678114eb1875a838254810ad812e678", kill_on_drop: false }`
[INFO] [stdout] 3508fa62ac933d499b964197b23c44ed5678114eb1875a838254810ad812e678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 9c3abaed7a5fa9888fb015871fe788f3748c6ee5e518d78e40859654b73e20b0
[INFO] running `Command { std: "docker" "start" "-a" "9c3abaed7a5fa9888fb015871fe788f3748c6ee5e518d78e40859654b73e20b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tracing-core v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "9c3abaed7a5fa9888fb015871fe788f3748c6ee5e518d78e40859654b73e20b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3abaed7a5fa9888fb015871fe788f3748c6ee5e518d78e40859654b73e20b0", kill_on_drop: false }`
[INFO] [stdout] 9c3abaed7a5fa9888fb015871fe788f3748c6ee5e518d78e40859654b73e20b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] f56f1cceb8eace931e4dfbfe7ded42d5efb6160cbbe0808e5e743dc2c9f07bc4
[INFO] running `Command { std: "docker" "start" "-a" "f56f1cceb8eace931e4dfbfe7ded42d5efb6160cbbe0808e5e743dc2c9f07bc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_core-f0bd27615b9307a7)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test dispatcher::test::default_dispatch ... ok
[INFO] [stdout] test dispatcher::test::default_no_subscriber ... ok
[INFO] [stdout] test dispatcher::test::dispatch_downcasts ... ok
[INFO] [stdout] test dispatcher::test::dispatch_is ... ok
[INFO] [stdout] test dispatcher::test::events_dont_infinite_loop ... ok
[INFO] [stdout] test dispatcher::test::spans_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 field::test::fields_from_other_callsets_are_skipped ... ok
[INFO] [stdout] test field::test::record_debug_fn ... 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_filter_reprs ... ok
[INFO] [stdout] test metadata::tests::level_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 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-83d94e8fa71bdee3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test nested_set_default ... ok
[INFO] [stdout] test set_default_dispatch ... ok
[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] [stderr]      Running tests/global_dispatch.rs (/opt/rustwide/target/debug/deps/global_dispatch-04de6a4180860132)
[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/macros.rs (/opt/rustwide/target/debug/deps/macros-48085bfb7693da88)
[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]    Doc-tests tracing-core
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/field.rs - field (line 55) ... ignored
[INFO] [stdout] test src/subscriber.rs - subscriber::Subscriber::record (line 248) ... ignored
[INFO] [stdout] test src/field.rs - field::Visit (line 185) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 216) ... ok
[INFO] [stdout] test src/lib.rs - identify_callsite (line 157) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 154) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 135) ... ok
[INFO] [stdout] test src/lib.rs - metadata (line 191) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 25) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 106) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 83) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f56f1cceb8eace931e4dfbfe7ded42d5efb6160cbbe0808e5e743dc2c9f07bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56f1cceb8eace931e4dfbfe7ded42d5efb6160cbbe0808e5e743dc2c9f07bc4", kill_on_drop: false }`
[INFO] [stdout] f56f1cceb8eace931e4dfbfe7ded42d5efb6160cbbe0808e5e743dc2c9f07bc4