[INFO] fetching crate metrics-runtime 0.13.1...
[INFO] testing metrics-runtime-0.13.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate metrics-runtime 0.13.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate metrics-runtime 0.13.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-runtime 0.13.1
[INFO] finished tweaking crates.io crate metrics-runtime 0.13.1
[INFO] tweaked toml for crates.io crate metrics-runtime 0.13.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate metrics-runtime 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.4
[INFO] [stderr]   Downloaded hdrhistogram v7.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded tracing v0.1.16
[INFO] [stderr]   Downloaded metrics-exporter-http v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-json v0.1.1
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded metrics-exporter-log v0.4.0
[INFO] [stderr]   Downloaded metrics-util v0.3.1
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded metrics-observer-yaml v0.1.1
[INFO] [stderr]   Downloaded quanta v0.3.2
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 303de922287f7d00cf8929a2c71ae3615f995a6b4d73a72cbc68d690712fb58f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "303de922287f7d00cf8929a2c71ae3615f995a6b4d73a72cbc68d690712fb58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "303de922287f7d00cf8929a2c71ae3615f995a6b4d73a72cbc68d690712fb58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303de922287f7d00cf8929a2c71ae3615f995a6b4d73a72cbc68d690712fb58f", kill_on_drop: false }`
[INFO] [stdout] 303de922287f7d00cf8929a2c71ae3615f995a6b4d73a72cbc68d690712fb58f
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef8569451e3abe22f03ef5f489767f0ace27712f5fe3bc2ec2336156f2e44dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ef8569451e3abe22f03ef5f489767f0ace27712f5fe3bc2ec2336156f2e44dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling metrics-core v0.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quanta v0.3.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tracing v0.1.16
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling metrics-util v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling metrics-observer-prometheus v0.1.4
[INFO] [stderr]    Compiling metrics-observer-yaml v0.1.1
[INFO] [stderr]    Compiling metrics-observer-json v0.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling metrics-exporter-log v0.4.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling metrics-exporter-http v0.3.0
[INFO] [stderr]    Compiling metrics-runtime v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "1ef8569451e3abe22f03ef5f489767f0ace27712f5fe3bc2ec2336156f2e44dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef8569451e3abe22f03ef5f489767f0ace27712f5fe3bc2ec2336156f2e44dc", kill_on_drop: false }`
[INFO] [stdout] 1ef8569451e3abe22f03ef5f489767f0ace27712f5fe3bc2ec2336156f2e44dc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc8c53af3af28375844d7e71e3a1ea8feb961e5b60c92a37d8abf16289d4722
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdc8c53af3af28375844d7e71e3a1ea8feb961e5b60c92a37d8abf16289d4722", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling hdrhistogram v7.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling metrics-runtime v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "fdc8c53af3af28375844d7e71e3a1ea8feb961e5b60c92a37d8abf16289d4722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc8c53af3af28375844d7e71e3a1ea8feb961e5b60c92a37d8abf16289d4722", kill_on_drop: false }`
[INFO] [stdout] fdc8c53af3af28375844d7e71e3a1ea8feb961e5b60c92a37d8abf16289d4722
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e15910c4fb9efa0cf900b03f8cbcebbc06bc5a6497ea64dbe4b84f835777623f
[INFO] running `Command { std: "docker" "start" "-a" "e15910c4fb9efa0cf900b03f8cbcebbc06bc5a6497ea64dbe4b84f835777623f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_runtime-cd97870529cf8f1b
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test common::tests::test_metric_scope ... ok
[INFO] [stdout] test registry::scope::tests::test_simple_write_then_read ... ok
[INFO] [stdout] test registry::metric::tests::test_snapshot_with_labels ... ok
[INFO] [stdout] test registry::metric::tests::test_snapshot ... ok
[INFO] [stdout] test helper::tests::test_simple_duration_as_nanos ... ok
[INFO] [stdout] test sink::tests::test_construct_key ... ok
[INFO] [stdout] test data::histogram::tests::test_windowed_histogram_rollover ... ok
[INFO] [stdout] test common::tests::test_metric_values ... ok
[INFO] [stdout] test data::histogram::tests::test_histogram_complex_update ... ok
[INFO] [stdout] test data::histogram::tests::test_histogram_simple_update ... ok
[INFO] [stdout] test data::histogram::tests::test_histogram_write_gauntlet_mt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-runtime
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name metrics_runtime -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="metrics-observer-yaml"' --cfg 'feature="metrics-exporter-http"' --cfg 'feature="metrics-exporter-log"' --cfg 'feature="default"' --cfg 'feature="exporters"' --cfg 'feature="observers"' --cfg 'feature="metrics-observer-json"' --cfg 'feature="metrics-observer-prometheus"' --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-3465e9d60c3dc8cb.rlib --extern atomic_shim=/opt/rustwide/target/debug/deps/libatomic_shim-01d7549b33066a28.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-1075f2bfe49e6599.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-9927338b5ed04e03.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e381f154ad85e142.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-673bab5105de3b6b.rlib --extern hdrhistogram=/opt/rustwide/target/debug/deps/libhdrhistogram-047350ac3b85c490.rlib --extern im=/opt/rustwide/target/debug/deps/libim-0e0a0868b2bd36cc.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-4bf1047162af990b.rlib --extern metrics=/opt/rustwide/target/debug/deps/libmetrics-9734bd9b5138d5e1.rlib --extern metrics_core=/opt/rustwide/target/debug/deps/libmetrics_core-e4cf21053bef3ad3.rlib --extern metrics_exporter_http=/opt/rustwide/target/debug/deps/libmetrics_exporter_http-05b17c8fd62962a2.rlib --extern metrics_exporter_log=/opt/rustwide/target/debug/deps/libmetrics_exporter_log-a8d87048a8e3f3e5.rlib --extern metrics_observer_json=/opt/rustwide/target/debug/deps/libmetrics_observer_json-866ef05ead4ce1a8.rlib --extern metrics_observer_prometheus=/opt/rustwide/target/debug/deps/libmetrics_observer_prometheus-94a5b22f9637c3e1.rlib --extern metrics_observer_yaml=/opt/rustwide/target/debug/deps/libmetrics_observer_yaml-89a1714ab2e674d1.rlib --extern metrics_runtime=/opt/rustwide/target/debug/deps/libmetrics_runtime-dac584a720be98dc.rlib --extern metrics_util=/opt/rustwide/target/debug/deps/libmetrics_util-2efa70782d2ddb67.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-945b0188bb2aa408.rlib --extern quanta=/opt/rustwide/target/debug/deps/libquanta-51512d617790127f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7c9abb3fe58b9f1c.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e15910c4fb9efa0cf900b03f8cbcebbc06bc5a6497ea64dbe4b84f835777623f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15910c4fb9efa0cf900b03f8cbcebbc06bc5a6497ea64dbe4b84f835777623f", kill_on_drop: false }`
[INFO] [stdout] e15910c4fb9efa0cf900b03f8cbcebbc06bc5a6497ea64dbe4b84f835777623f