[INFO] fetching crate tracing-core 0.1.34...
[INFO] testing tracing-core-0.1.34 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate tracing-core 0.1.34 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tracing-core 0.1.34
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-core 0.1.34
[INFO] tweaked toml for crates.io crate tracing-core 0.1.34 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-core 0.1.34 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-core 0.1.34 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 291d0a15909798f857728cb513f0c2258802b8192490e88ec6aaaa7e56dacc19
[INFO] running `Command { std: "docker" "start" "-a" "291d0a15909798f857728cb513f0c2258802b8192490e88ec6aaaa7e56dacc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "291d0a15909798f857728cb513f0c2258802b8192490e88ec6aaaa7e56dacc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d0a15909798f857728cb513f0c2258802b8192490e88ec6aaaa7e56dacc19", kill_on_drop: false }`
[INFO] [stdout] 291d0a15909798f857728cb513f0c2258802b8192490e88ec6aaaa7e56dacc19
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77630d2307423969c764af89d448607f8efdec7f1aa946748c8ea4a20b07015
[INFO] running `Command { std: "docker" "start" "-a" "e77630d2307423969c764af89d448607f8efdec7f1aa946748c8ea4a20b07015", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "e77630d2307423969c764af89d448607f8efdec7f1aa946748c8ea4a20b07015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77630d2307423969c764af89d448607f8efdec7f1aa946748c8ea4a20b07015", kill_on_drop: false }`
[INFO] [stdout] e77630d2307423969c764af89d448607f8efdec7f1aa946748c8ea4a20b07015
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba36a16272ef4821a0f4c52a0aa8aec94c88d796f8cbd38463090fcd55dbb93
[INFO] running `Command { std: "docker" "start" "-a" "eba36a16272ef4821a0f4c52a0aa8aec94c88d796f8cbd38463090fcd55dbb93", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/field.rs:1238:63
[INFO] [stdout]      |
[INFO] [stdout] 1238 |             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stdout]      |                                                               ^                         ^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:144:5
[INFO] [stdout]      |
[INFO] [stdout]  144 |     unused_parens,
[INFO] [stdout]      |     ^^^^^^^^^^^^^
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1238 -             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stdout] 1238 +             fn record_debug(&mut self, field: &Field, _: &dyn crate::stdlib::fmt::Debug) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/field.rs:1257:63
[INFO] [stdout]      |
[INFO] [stdout] 1257 |             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stdout]      |                                                               ^                         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1257 -             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stdout] 1257 +             fn record_debug(&mut self, field: &Field, _: &dyn crate::stdlib::fmt::Debug) {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "eba36a16272ef4821a0f4c52a0aa8aec94c88d796f8cbd38463090fcd55dbb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba36a16272ef4821a0f4c52a0aa8aec94c88d796f8cbd38463090fcd55dbb93", kill_on_drop: false }`
[INFO] [stdout] eba36a16272ef4821a0f4c52a0aa8aec94c88d796f8cbd38463090fcd55dbb93
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afcc3cecfa8d076b39d9e18c78132c732b63091242d80585761990fc17e7709a
[INFO] running `Command { std: "docker" "start" "-a" "afcc3cecfa8d076b39d9e18c78132c732b63091242d80585761990fc17e7709a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/field.rs:1238:63
[INFO] [stderr]      |
[INFO] [stderr] 1238 |             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stderr]      |                                                               ^                         ^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:144:5
[INFO] [stderr]      |
[INFO] [stderr]  144 |     unused_parens,
[INFO] [stderr]      |     ^^^^^^^^^^^^^
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1238 -             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stderr] 1238 +             fn record_debug(&mut self, field: &Field, _: &dyn crate::stdlib::fmt::Debug) {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/field.rs:1257:63
[INFO] [stderr]      |
[INFO] [stderr] 1257 |             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stderr]      |                                                               ^                         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1257 -             fn record_debug(&mut self, field: &Field, _: &dyn (crate::stdlib::fmt::Debug)) {
[INFO] [stderr] 1257 +             fn record_debug(&mut self, field: &Field, _: &dyn crate::stdlib::fmt::Debug) {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-core` (lib test) generated 2 warnings (run `cargo fix --lib -p tracing-core --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_core-11b1330af9377f77)
[INFO] [stdout] 
[INFO] [stdout] running 20 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 field::test::empty_fields_are_skipped ... 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::fields_from_other_callsets_are_skipped ... ok
[INFO] [stdout] test field::test::index_of_field_in_fieldset_is_correct ... ok
[INFO] [stdout] test field::test::record_bytes ... ok
[INFO] [stdout] test field::test::record_debug_fn ... ok
[INFO] [stdout] test field::test::empty_value_set_is_empty ... ok
[INFO] [stdout] test field::test::record_error ... ok
[INFO] [stdout] test metadata::tests::level_filter_is_usize_sized ... ok
[INFO] [stdout] test field::test::sparse_value_sets_are_not_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_from_str ... ok
[INFO] [stdout] test field::test::value_set_with_no_values_is_empty ... 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-79817782c5e85eeb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test nested_set_default ... ok
[INFO] [stderr]      Running tests/global_dispatch.rs (/opt/rustwide/target/debug/deps/global_dispatch-b7d806738c46482b)
[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] [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-f788a5ba0ff3d3cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test local_dispatch_before_init ... 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-d18c911d29d0aaa7)
[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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/missed_register_callsite.rs (/opt/rustwide/target/debug/deps/missed_register_callsite-cce95ff7154bc073)
[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/dispatcher.rs - dispatcher (line 25) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 225) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 194) ... ok
[INFO] [stdout] test src/lib.rs - metadata (line 196) ... ok
[INFO] [stdout] test src/subscriber.rs - subscriber::Subscriber::record (line 281) ... ignored
[INFO] [stdout] test src/lib.rs - identify_callsite (line 163) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 48) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 132) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 83) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 103) ... ok
[INFO] [stdout] test src/metadata.rs - metadata::Level (line 151) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher::WeakDispatch::upgrade (line 772) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afcc3cecfa8d076b39d9e18c78132c732b63091242d80585761990fc17e7709a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcc3cecfa8d076b39d9e18c78132c732b63091242d80585761990fc17e7709a", kill_on_drop: false }`
[INFO] [stdout] afcc3cecfa8d076b39d9e18c78132c732b63091242d80585761990fc17e7709a