[INFO] fetching crate tracing-timing 0.6.0...
[INFO] testing tracing-timing-0.6.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate tracing-timing 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tracing-timing 0.6.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-timing 0.6.0
[INFO] finished tweaking crates.io crate tracing-timing 0.6.0
[INFO] tweaked toml for crates.io crate tracing-timing 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.6.0 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.3.8
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[INFO] [stderr]   Downloaded tracing-subscriber v0.3.8
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02509d97581db8ee6ba9b6eb5ae6367c4dfaeab4aee7dc5da0d113f57cafc158
[INFO] running `Command { std: "docker" "start" "-a" "02509d97581db8ee6ba9b6eb5ae6367c4dfaeab4aee7dc5da0d113f57cafc158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02509d97581db8ee6ba9b6eb5ae6367c4dfaeab4aee7dc5da0d113f57cafc158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02509d97581db8ee6ba9b6eb5ae6367c4dfaeab4aee7dc5da0d113f57cafc158", kill_on_drop: false }`
[INFO] [stdout] 02509d97581db8ee6ba9b6eb5ae6367c4dfaeab4aee7dc5da0d113f57cafc158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee77ebdf902c9d1fe8c0baaa6e5bbcd954672489278273db2763b060963057f
[INFO] running `Command { std: "docker" "start" "-a" "6ee77ebdf902c9d1fe8c0baaa6e5bbcd954672489278273db2763b060963057f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling raw-cpuid v9.0.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.8
[INFO] [stderr]    Compiling memchr v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling quanta v0.9.0
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling hdrhistogram v7.5.0
[INFO] [stderr]    Compiling tracing-timing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "6ee77ebdf902c9d1fe8c0baaa6e5bbcd954672489278273db2763b060963057f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee77ebdf902c9d1fe8c0baaa6e5bbcd954672489278273db2763b060963057f", kill_on_drop: false }`
[INFO] [stdout] 6ee77ebdf902c9d1fe8c0baaa6e5bbcd954672489278273db2763b060963057f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f5181288dbe37a6baa8064ac0d8717b62f28c842de282f113d97848111933c
[INFO] running `Command { std: "docker" "start" "-a" "d4f5181288dbe37a6baa8064ac0d8717b62f28c842de282f113d97848111933c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tracing-timing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "d4f5181288dbe37a6baa8064ac0d8717b62f28c842de282f113d97848111933c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f5181288dbe37a6baa8064ac0d8717b62f28c842de282f113d97848111933c", kill_on_drop: false }`
[INFO] [stdout] d4f5181288dbe37a6baa8064ac0d8717b62f28c842de282f113d97848111933c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 118a2282ce9086aea3901b2824f56410c1f6bb1f5949641cd44e32c62930e188
[INFO] running `Command { std: "docker" "start" "-a" "118a2282ce9086aea3901b2824f56410c1f6bb1f5949641cd44e32c62930e188", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_timing-c70a75858298f8f0)
[INFO] [stdout] 
[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] [stderr]      Running tests/layer.rs (/opt/rustwide/target/debug/deps/layer-12709cf61d1d9b86)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/subscriber.rs (/opt/rustwide/target/debug/deps/subscriber-9ffadd876c17878a)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test nested_bubble ... FAILED
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- nested_bubble stdout ----
[INFO] [stdout] thread 'nested_bubble' panicked at tests/subscriber.rs:622:9:
[INFO] [stdout] assertion failed: foo_t < bar_t
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5563f5e52b26 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5563f5e52b26 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5563f5e52b26 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5563f5e52b26 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5563f5e7be40 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5563f5e7be40 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5563f5e5058f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5563f5e52904 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5563f5e52904 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5563f5e54677 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5563f5e5435d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5563f5debec7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5563f5debec7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5563f5e54c96 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5563f5e54c96 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5563f5e549a9 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x5563f5e53026 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5563f5e54740 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5563f5cacd35 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5563f5cacdf3 - core::panicking::panic::hb837a5ebbbe5b188
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x5563f5d0db2f - subscriber::nested_bubble::{{closure}}::hdecf1227f75dacca
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/subscriber.rs:622:9
[INFO] [stdout]   21:     0x5563f5d424be - tracing_timing::Timing<S,E>::with_histograms::hc9e9cb671c1cf7ea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:420:9
[INFO] [stdout]   22:     0x5563f5d6461e - tracing_timing::subscriber::TimingSubscriber<S,E>::with_histograms::hc68fad7f4fbd1956
[INFO] [stdout]                                at /opt/rustwide/workdir/src/subscriber.rs:94:9
[INFO] [stdout]   23:     0x5563f5d0bf0d - subscriber::nested_bubble::hbccac7457e7e9f30
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/subscriber.rs:603:5
[INFO] [stdout]   24:     0x5563f5d0bce7 - subscriber::nested_bubble::{{closure}}::h436111928c67eb5e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/subscriber.rs:581:19
[INFO] [stdout]   25:     0x5563f5d8daf6 - core::ops::function::FnOnce::call_once::h02ab40ec2eef800a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5563f5df179f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5563f5df179f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   28:     0x5563f5df0521 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   29:     0x5563f5df0521 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5563f5df0521 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x5563f5df0521 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x5563f5df0521 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5563f5df0521 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   34:     0x5563f5df0521 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   35:     0x5563f5db7856 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   36:     0x5563f5db7856 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5563f5dbc8b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5563f5dbc8b7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5563f5dbc8b7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   40:     0x5563f5dbc8b7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   41:     0x5563f5dbc8b7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5563f5dbc8b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5563f5dbc8b7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5563f5e59745 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5563f5e59745 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5563f5e59745 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f633ea28ac3 - <unknown>
[INFO] [stdout]   48:     0x7f633eab9bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     nested_bubble
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test subscriber`
[INFO] running `Command { std: "docker" "inspect" "118a2282ce9086aea3901b2824f56410c1f6bb1f5949641cd44e32c62930e188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118a2282ce9086aea3901b2824f56410c1f6bb1f5949641cd44e32c62930e188", kill_on_drop: false }`
[INFO] [stdout] 118a2282ce9086aea3901b2824f56410c1f6bb1f5949641cd44e32c62930e188
[INFO] testing tracing-timing-0.6.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate tracing-timing 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tracing-timing 0.6.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-timing 0.6.0
[INFO] finished tweaking crates.io crate tracing-timing 0.6.0
[INFO] tweaked toml for crates.io crate tracing-timing 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.6.0 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30a5de307cd3bf0fb6c883c7184048d6cc4ed71693d9780eae878ccea1e5d547
[INFO] running `Command { std: "docker" "start" "-a" "30a5de307cd3bf0fb6c883c7184048d6cc4ed71693d9780eae878ccea1e5d547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a5de307cd3bf0fb6c883c7184048d6cc4ed71693d9780eae878ccea1e5d547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a5de307cd3bf0fb6c883c7184048d6cc4ed71693d9780eae878ccea1e5d547", kill_on_drop: false }`
[INFO] [stdout] 30a5de307cd3bf0fb6c883c7184048d6cc4ed71693d9780eae878ccea1e5d547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a6733805274b07b5959bc91a38b1ba99ca9281f8576303559007fb7d54e15a
[INFO] running `Command { std: "docker" "start" "-a" "f4a6733805274b07b5959bc91a38b1ba99ca9281f8576303559007fb7d54e15a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling version_check v0.9.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling raw-cpuid v9.0.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling memchr v2.0.0
[INFO] [stderr]    Compiling quanta v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling hdrhistogram v7.5.0
[INFO] [stderr]    Compiling tracing-timing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "f4a6733805274b07b5959bc91a38b1ba99ca9281f8576303559007fb7d54e15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a6733805274b07b5959bc91a38b1ba99ca9281f8576303559007fb7d54e15a", kill_on_drop: false }`
[INFO] [stdout] f4a6733805274b07b5959bc91a38b1ba99ca9281f8576303559007fb7d54e15a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d232adf16518c5ce47a1c5a4318603ed1db47063e44876bb5c1f42fd794cf4c
[INFO] running `Command { std: "docker" "start" "-a" "7d232adf16518c5ce47a1c5a4318603ed1db47063e44876bb5c1f42fd794cf4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tracing-timing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "7d232adf16518c5ce47a1c5a4318603ed1db47063e44876bb5c1f42fd794cf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d232adf16518c5ce47a1c5a4318603ed1db47063e44876bb5c1f42fd794cf4c", kill_on_drop: false }`
[INFO] [stdout] 7d232adf16518c5ce47a1c5a4318603ed1db47063e44876bb5c1f42fd794cf4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9539869a913f85d26170413cfc00be0b94e05afdf864afd86e823ed0f7fb4a66
[INFO] running `Command { std: "docker" "start" "-a" "9539869a913f85d26170413cfc00be0b94e05afdf864afd86e823ed0f7fb4a66", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_timing-4d8a35362d1e8c04)
[INFO] [stdout] 
[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] [stderr]      Running tests/layer.rs (/opt/rustwide/target/debug/deps/layer-09d4eced377dd3b4)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/subscriber.rs (/opt/rustwide/target/debug/deps/subscriber-3b0a6979e761ea98)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-timing
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 130) - compile ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<S,E>::layer_informed (line 187) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<S,E>::build_informed (line 129) ... ok
[INFO] [stdout] test src/lib.rs - SpanGroup (line 243) ... ok
[INFO] [stdout] test src/lib.rs - EventGroup (line 271) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 221) ... ok
[INFO] [stdout] test src/layer.rs - layer::TimingLayer<S,E>::downcaster (line 180) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/subscriber.rs - subscriber::TimingSubscriber<S,E>::downcaster (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9539869a913f85d26170413cfc00be0b94e05afdf864afd86e823ed0f7fb4a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9539869a913f85d26170413cfc00be0b94e05afdf864afd86e823ed0f7fb4a66", kill_on_drop: false }`
[INFO] [stdout] 9539869a913f85d26170413cfc00be0b94e05afdf864afd86e823ed0f7fb4a66
