[INFO] fetching crate tracing 0.1.15...
[INFO] testing tracing-0.1.15 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tracing 0.1.15 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tracing 0.1.15 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing 0.1.15
[INFO] finished tweaking crates.io crate tracing 0.1.15
[INFO] tweaked toml for crates.io crate tracing 0.1.15 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90ad7d3fb6acd8d8d4e4eef9b38c9a56df4c164aa1a84b117195b2f190f91a0c
[INFO] running `"docker" "start" "-a" "90ad7d3fb6acd8d8d4e4eef9b38c9a56df4c164aa1a84b117195b2f190f91a0c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling tracing v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.54s
[INFO] running `"docker" "inspect" "90ad7d3fb6acd8d8d4e4eef9b38c9a56df4c164aa1a84b117195b2f190f91a0c"`
[INFO] running `"docker" "rm" "-f" "90ad7d3fb6acd8d8d4e4eef9b38c9a56df4c164aa1a84b117195b2f190f91a0c"`
[INFO] [stdout] 90ad7d3fb6acd8d8d4e4eef9b38c9a56df4c164aa1a84b117195b2f190f91a0c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 431bd67fc6abb96b9268a3a2c0c2b75235a47395d69495cf1758cb6bb1960451
[INFO] running `"docker" "start" "-a" "431bd67fc6abb96b9268a3a2c0c2b75235a47395d69495cf1758cb6bb1960451"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "431bd67fc6abb96b9268a3a2c0c2b75235a47395d69495cf1758cb6bb1960451"`
[INFO] running `"docker" "rm" "-f" "431bd67fc6abb96b9268a3a2c0c2b75235a47395d69495cf1758cb6bb1960451"`
[INFO] [stdout] 431bd67fc6abb96b9268a3a2c0c2b75235a47395d69495cf1758cb6bb1960451
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0924d6034a54293d6e82d780da1454d897c463865a028be12d717a8076ee8eea
[INFO] running `"docker" "start" "-a" "0924d6034a54293d6e82d780da1454d897c463865a028be12d717a8076ee8eea"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing-c37e289147508146
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test level_filters::tests::filter_level_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/event-e34af69cd8949f8e
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test borrowed_field ... ok
[INFO] [stdout] test display_shorthand ... ok
[INFO] [stdout] test message_without_delims ... ok
[INFO] [stdout] test one_with_everything ... ok
[INFO] [stdout] test explicit_child ... ok
[INFO] [stdout] test explicit_child_at_levels ... ok
[INFO] [stdout] test moved_field ... ok
[INFO] [stdout] test event_with_message ... ok
[INFO] [stdout] test nonzeroi32_event_without_message ... ok
[INFO] [stdout] test both_shorthands ... ok
[INFO] [stdout] test debug_shorthand ... ok
[INFO] [stdout] test dotted_field_name ... ok
[INFO] [stdout] test event_without_message ... ok
[INFO] [stdout] test move_field_out_of_struct ... ok
[INFO] [stdout] test wrapping_event_without_message ... ok
[INFO] [stdout] test string_message_without_delims ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/filter_caching_is_lexically_scoped-32f7a970b3d7b45d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test filter_caching_is_lexically_scoped ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/filters_are_not_reevaluated_for_the_same_span-034966a592e2c70c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test filters_are_not_reevaluated_for_the_same_span ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/filters_are_reevaluated_for_different_call_sites-7ce35316f381fe41
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test filters_are_reevaluated_for_different_call_sites ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macro_imports-00ddb376172d8195
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test prefixed_span_macros ... ok
[INFO] [stdout] test prefixed_event_macros ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macros-78bb8303f8308531
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test debug_span_with_parent ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test error_span_root ... ok
[INFO] [stdout] test event ... ok
[INFO] [stdout] test event_root ... ok
[INFO] [stdout] test error_span ... ok
[INFO] [stdout] test info_span ... ok
[INFO] [stdout] test info ... ok
[INFO] [stdout] test info_root ... ok
[INFO] [stdout] test debug_span_root ... ok
[INFO] [stdout] test locals_no_message ... ok
[INFO] [stdout] test locals_with_message ... ok
[INFO] [stdout] test span ... ok
[INFO] [stdout] test span_root ... ok
[INFO] [stdout] test span_with_parent ... ok
[INFO] [stdout] test error_span_with_parent ... ok
[INFO] [stdout] test error_with_parent ... ok
[INFO] [stdout] test callsite_macro_api ... ok
[INFO] [stdout] test trace_root ... ok
[INFO] [stdout] test trace_span ... ok
[INFO] [stdout] test info_span_root ... ok
[INFO] [stdout] test info_with_parent ... ok
[INFO] [stdout] test trace_span_root ... ok
[INFO] [stdout] test warn_span ... ok
[INFO] [stdout] test warn_root ... ok
[INFO] [stdout] test warn_span_root ... ok
[INFO] [stdout] test warn_with_parent ... ok
[INFO] [stdout] test field_shorthand_only ... ok
[INFO] [stdout] test warn_span_with_parent ... ok
[INFO] [stdout] test trace_with_parent ... ok
[INFO] [stdout] test warn ... ok
[INFO] [stdout] test debug_span ... ok
[INFO] [stdout] test error ... ok
[INFO] [stdout] test debug_with_parent ... ok
[INFO] [stdout] test trace_span_with_parent ... ok
[INFO] [stdout] test event_with_parent ... ok
[INFO] [stdout] test error_root ... ok
[INFO] [stdout] test debug_root ... ok
[INFO] [stdout] test info_span_with_parent ... ok
[INFO] [stdout] test trace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/span-eab740ba0c0b3a0a
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test clone_and_drop_span_always_go_to_the_subscriber_that_tagged_the_span ... ok
[INFO] [stdout] test display_shorthand ... ok
[INFO] [stdout] test event_outside_of_span ... ok
[INFO] [stdout] test contextual_child ... ok
[INFO] [stdout] test explicit_child ... ok
[INFO] [stdout] test cloning_a_span_calls_clone_span ... ok
[INFO] [stdout] test dotted_field_name ... ok
[INFO] [stdout] test both_shorthands ... ok
[INFO] [stdout] test borrowed_field ... ok
[INFO] [stdout] test dropping_a_span_calls_drop_span ... ok
[INFO] [stdout] test debug_shorthand ... ok
[INFO] [stdout] test explicit_child_at_levels ... ok
[INFO] [stdout] test enter ... ok
[INFO] [stdout] test contextual_root ... ok
[INFO] [stdout] test explicit_root_span_is_root_regardless_of_ctx ... ok
[INFO] [stdout] test explicit_root_span_is_root ... ok
[INFO] [stdout] test handles_to_the_same_span_are_equal ... ok
[INFO] [stdout] test spans_always_go_to_the_subscriber_that_tagged_them ... ok
[INFO] [stdout] test explicit_child_regardless_of_ctx ... ok
[INFO] [stdout] test new_span_after_event ... ok
[INFO] [stdout] test drop_span_when_exiting_dispatchers_context ... ok
[INFO] [stdout] test handles_to_different_spans_are_not_equal ... ok
[INFO] [stdout] enter: foo; id=Id(1);
[INFO] [stdout] exit: foo; id=Id(1);
[INFO] [stdout] drop_span: foo; id=Id(1); refs=1;
[INFO] [stdout] test spans_always_go_to_the_subscriber_that_tagged_them_even_across_threads ... ok
[INFO] [stdout] test span_closes_after_event ... ok
[INFO] [stdout] test handles_to_different_spans_with_the_same_metadata_are_not_equal ... ok
[INFO] [stdout] test span_closes_when_exited ... ok
[INFO] [stdout] test new_span_with_target_and_log_level ... ok
[INFO] [stdout] test moved_field ... ok
[INFO] [stdout] test move_field_out_of_struct ... ok
[INFO] [stdout] test record_new_values_for_fields ... ok
[INFO] [stdout] test record_new_value_for_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subscriber-a2b1a1ce435fc9d1
[INFO] [stderr]    Doc-tests tracing
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test event_macros_dont_infinite_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test src/lib.rs -  (line 152) ... ignored
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 48) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 25) ... ok
[INFO] [stdout] test src/dispatcher.rs - dispatcher (line 83) ... ok
[INFO] [stdout] test src/lib.rs -  (line 255) ... ok
[INFO] [stdout] test src/lib.rs -  (line 367) ... ok
[INFO] [stdout] test src/lib.rs -  (line 457) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 242) ... ok
[INFO] [stdout] test src/lib.rs -  (line 228) ... ok
[INFO] [stdout] test src/lib.rs -  (line 330) ... ok
[INFO] [stdout] test src/lib.rs -  (line 267) ... ok
[INFO] [stdout] test src/lib.rs -  (line 309) ... ok
[INFO] [stdout] test src/lib.rs -  (line 203) ... ok
[INFO] [stdout] test src/lib.rs -  (line 287) ... ok
[INFO] [stdout] test src/lib.rs -  (line 180) ... ok
[INFO] [stdout] test src/lib.rs -  (line 128) ... ok
[INFO] [stdout] test src/lib.rs -  (line 211) ... ok
[INFO] [stdout] test src/lib.rs -  (line 39) ... ok
[INFO] [stdout] test src/lib.rs -  (line 390) ... ok
[INFO] [stdout] test src/lib.rs -  (line 572) ... ok
[INFO] [stdout] test src/lib.rs -  (line 351) ... ok
[INFO] [stdout] test src/lib.rs -  (line 535) ... ok
[INFO] [stdout] test src/lib.rs -  (line 62) ... ok
[INFO] [stdout] test src/macros.rs - debug_span (line 183) ... ok
[INFO] [stdout] test src/macros.rs - error_span (line 425) ... ok
[INFO] [stdout] test src/macros.rs - debug_span (line 174) ... ok
[INFO] [stdout] test src/macros.rs - error_span (line 416) ... ok
[INFO] [stdout] test src/macros.rs - debug (line 955) ... ok
[INFO] [stdout] test src/macros.rs - event (line 495) ... ok
[INFO] [stdout] test src/macros.rs - error (line 1573) ... ok
[INFO] [stdout] test src/macros.rs - info (line 1156) ... ok
[INFO] [stdout] test src/macros.rs - trace_span (line 102) ... ok
[INFO] [stdout] test src/macros.rs - info_span (line 255) ... ok
[INFO] [stdout] test src/macros.rs - span (line 11) ... ok
[INFO] [stdout] test src/macros.rs - info_span (line 264) ... ok
[INFO] [stdout] test src/macros.rs - trace_span (line 93) ... ok
[INFO] [stdout] test src/macros.rs - trace (line 755) ... ok
[INFO] [stdout] test src/span.rs - span (line 181) ... ok
[INFO] [stdout] test src/macros.rs - warn_span (line 336) ... ok
[INFO] [stdout] test src/macros.rs - warn_span (line 345) ... ok
[INFO] [stdout] test src/macros.rs - warn (line 1368) ... ok
[INFO] [stdout] test src/span.rs - span (line 137) ... ok
[INFO] [stdout] test src/span.rs - span (line 258) ... ok
[INFO] [stdout] test src/span.rs - span (line 115) ... ok
[INFO] [stdout] test src/span.rs - span::Span::enter (line 512) ... ok
[INFO] [stdout] test src/span.rs - span (line 223) ... ok
[INFO] [stdout] test src/span.rs - span (line 66) ... ok
[INFO] [stdout] test src/span.rs - span (line 271) ... ok
[INFO] [stdout] test src/span.rs - span (line 31) ... ok
[INFO] [stdout] test src/span.rs - span (line 84) ... ok
[INFO] [stdout] test src/span.rs - span::Span::enter (line 528) ... ok
[INFO] [stdout] test src/span.rs - span::Span::follows_from (line 792) ... ok
[INFO] [stdout] test src/span.rs - span::Span::follows_from (line 807) ... ok
[INFO] [stdout] test src/span.rs - span::Span::follows_from (line 800) ... ok
[INFO] [stdout] test src/span.rs - span::Span::enter (line 550) ... ok
[INFO] [stdout] test src/span.rs - span::Span::follows_from (line 815) ... ok
[INFO] [stdout] test src/span.rs - span::Span::in_scope (line 595) ... ok
[INFO] [stdout] test src/span.rs - span::Span::in_scope (line 610) ... ok
[INFO] [stdout] test src/span.rs - span::Span::record (line 664) ... ok
[INFO] [stdout] test src/span.rs - span::Span::record (line 649) ... ok
[INFO] [stdout] test src/span.rs - span::Span::record (line 688) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 59 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0924d6034a54293d6e82d780da1454d897c463865a028be12d717a8076ee8eea"`
[INFO] running `"docker" "rm" "-f" "0924d6034a54293d6e82d780da1454d897c463865a028be12d717a8076ee8eea"`
[INFO] [stdout] 0924d6034a54293d6e82d780da1454d897c463865a028be12d717a8076ee8eea