[INFO] crate metrics-util 0.4.0-alpha.1 is already in cache
[INFO] testing metrics-util-0.4.0-alpha.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate metrics-util 0.4.0-alpha.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate metrics-util 0.4.0-alpha.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-util 0.4.0-alpha.1
[INFO] finished tweaking crates.io crate metrics-util 0.4.0-alpha.1
[INFO] tweaked toml for crates.io crate metrics-util 0.4.0-alpha.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f72697a3c6a3d602c16132914fea33078322f91de808ad333b023a6d0d740ce9
[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" "f72697a3c6a3d602c16132914fea33078322f91de808ad333b023a6d0d740ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72697a3c6a3d602c16132914fea33078322f91de808ad333b023a6d0d740ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72697a3c6a3d602c16132914fea33078322f91de808ad333b023a6d0d740ce9", kill_on_drop: false }`
[INFO] [stdout] f72697a3c6a3d602c16132914fea33078322f91de808ad333b023a6d0d740ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f10243bec91efb3fb93edf82d71e02305d11dcf5d7ac5974bbee1ab32398bb
[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" "c8f10243bec91efb3fb93edf82d71e02305d11dcf5d7ac5974bbee1ab32398bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling metrics v0.13.0-alpha.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling metrics-macros v0.1.0-alpha.2
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling metrics-util v0.4.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "c8f10243bec91efb3fb93edf82d71e02305d11dcf5d7ac5974bbee1ab32398bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f10243bec91efb3fb93edf82d71e02305d11dcf5d7ac5974bbee1ab32398bb", kill_on_drop: false }`
[INFO] [stdout] c8f10243bec91efb3fb93edf82d71e02305d11dcf5d7ac5974bbee1ab32398bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da20f5fafc78dc94d23f0391e06a4b762f912060501f23dddcadbe000ba9007b
[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" "da20f5fafc78dc94d23f0391e06a4b762f912060501f23dddcadbe000ba9007b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling metrics-util v0.4.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "da20f5fafc78dc94d23f0391e06a4b762f912060501f23dddcadbe000ba9007b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da20f5fafc78dc94d23f0391e06a4b762f912060501f23dddcadbe000ba9007b", kill_on_drop: false }`
[INFO] [stdout] da20f5fafc78dc94d23f0391e06a4b762f912060501f23dddcadbe000ba9007b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d287d38b1d211548f168b786b2bd426de40ecaf8f799e0100323d0c984368041
[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" "d287d38b1d211548f168b786b2bd426de40ecaf8f799e0100323d0c984368041", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_util-169548ba0a74b128
[INFO] [stdout] running 15 tests
[INFO] [stdout] test histogram::tests::test_histogram ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_empty_block ... ok
[INFO] [stdout] test quantile::tests::test_parse_quantiles ... ok
[INFO] [stdout] test bucket::tests::test_create_new_block ... ok
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read ... ok
[INFO] [stdout] test quantile::tests::test_quantiles ... ok
[INFO] [stdout] test bucket::tests::test_bucket_write_then_read ... ok
[INFO] [stdout] test bucket::tests::test_block_write_then_read ... ok
[INFO] [stdout] test bucket::tests::test_clear_and_clear_with ... ok
[INFO] [stdout] test bucket::tests::test_bucket_multiple_blocks_write_then_read ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_single_block ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_new ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_multiple_blocks ... ok
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read_mt ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/metrics_util-169548ba0a74b128` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d287d38b1d211548f168b786b2bd426de40ecaf8f799e0100323d0c984368041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d287d38b1d211548f168b786b2bd426de40ecaf8f799e0100323d0c984368041", kill_on_drop: false }`
[INFO] [stdout] d287d38b1d211548f168b786b2bd426de40ecaf8f799e0100323d0c984368041