[INFO] fetching crate tracing-timing 0.6.0...
[INFO] testing tracing-timing-0.6.0 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate tracing-timing 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate tracing-timing 0.6.0 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "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-5-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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded loom v0.3.0
[INFO] [stderr]   Downloaded syn v0.11.10
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[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.0
[INFO] [stderr]   Downloaded ansi_term v0.12.0
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded pin-project-lite v0.2.5
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded synom v0.11.0
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded flate2 v1.0.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded version_check v0.9.0
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded libc v0.2.64
[INFO] [stderr]   Downloaded quote v1.0.0
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded log v0.4.0
[INFO] [stderr]   Downloaded memchr v2.0.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.21
[INFO] [stderr]   Downloaded indexmap v1.0.0
[INFO] [stderr]   Downloaded memoffset v0.5.0
[INFO] [stderr]   Downloaded quote v0.3.8
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.0
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded ctor v0.1.0
[INFO] [stderr]   Downloaded doc-comment v0.3.0
[INFO] [stderr]   Downloaded mach v0.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded quanta v0.9.0
[INFO] [stderr]   Downloaded generator v0.6.18
[INFO] [stderr]   Downloaded ryu v0.2.0
[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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c61c2f3cf0ccaed8c2349a2764bf04d8055387e0881daaf90a75466efa2de02
[INFO] running `Command { std: "docker" "start" "-a" "3c61c2f3cf0ccaed8c2349a2764bf04d8055387e0881daaf90a75466efa2de02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c61c2f3cf0ccaed8c2349a2764bf04d8055387e0881daaf90a75466efa2de02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c61c2f3cf0ccaed8c2349a2764bf04d8055387e0881daaf90a75466efa2de02", kill_on_drop: false }`
[INFO] [stdout] 3c61c2f3cf0ccaed8c2349a2764bf04d8055387e0881daaf90a75466efa2de02
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c64bd98a834ba1648c8723e2aaee6ce8ab253141f693f54ae70a6ae8edbade
[INFO] running `Command { std: "docker" "start" "-a" "e8c64bd98a834ba1648c8723e2aaee6ce8ab253141f693f54ae70a6ae8edbade", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling once_cell v1.5.2
[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 log v0.4.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.0
[INFO] [stderr]    Compiling indexmap v1.0.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling raw-cpuid v9.0.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling memchr v2.0.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.8
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling quanta v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[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 30.09s
[INFO] running `Command { std: "docker" "inspect" "e8c64bd98a834ba1648c8723e2aaee6ce8ab253141f693f54ae70a6ae8edbade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c64bd98a834ba1648c8723e2aaee6ce8ab253141f693f54ae70a6ae8edbade", kill_on_drop: false }`
[INFO] [stdout] e8c64bd98a834ba1648c8723e2aaee6ce8ab253141f693f54ae70a6ae8edbade
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5417a1d5270f557f2fd033bfab83fe4936349c073c33a4cc82956b29df13e037
[INFO] running `Command { std: "docker" "start" "-a" "5417a1d5270f557f2fd033bfab83fe4936349c073c33a4cc82956b29df13e037", 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 rand v0.8.0
[INFO] [stderr]    Compiling quote v1.0.0
[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 1m 37s
[INFO] running `Command { std: "docker" "inspect" "5417a1d5270f557f2fd033bfab83fe4936349c073c33a4cc82956b29df13e037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5417a1d5270f557f2fd033bfab83fe4936349c073c33a4cc82956b29df13e037", kill_on_drop: false }`
[INFO] [stdout] 5417a1d5270f557f2fd033bfab83fe4936349c073c33a4cc82956b29df13e037
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 791a2f0a2d030dee28c03b073b43207d517385fbaed78f5b3a2567eafe180137
[INFO] running `Command { std: "docker" "start" "-a" "791a2f0a2d030dee28c03b073b43207d517385fbaed78f5b3a2567eafe180137", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_timing-2d7a1c113bf8603e)
[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-3a2df78bfdb66968)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test nested ... 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 0.73s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/subscriber.rs (/opt/rustwide/target/debug/deps/subscriber-d400747173d85c63)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test span_close_event ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test nested_no_bubble ... 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 0.78s
[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/lib.rs - SpanGroup (line 243) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 12) ... 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 - EventGroup (line 271) ... ok
[INFO] [stdout] test src/subscriber.rs - subscriber::TimingSubscriber<S,E>::downcaster (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 221) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/layer.rs - layer::TimingLayer<S,E>::downcaster (line 180) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "791a2f0a2d030dee28c03b073b43207d517385fbaed78f5b3a2567eafe180137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791a2f0a2d030dee28c03b073b43207d517385fbaed78f5b3a2567eafe180137", kill_on_drop: false }`
[INFO] [stdout] 791a2f0a2d030dee28c03b073b43207d517385fbaed78f5b3a2567eafe180137