[INFO] fetching crate metrics-util 0.3.1...
[INFO] testing metrics-util-0.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate metrics-util 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate metrics-util 0.3.1 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 metrics-util 0.3.1
[INFO] finished tweaking crates.io crate metrics-util 0.3.1
[INFO] tweaked toml for crates.io crate metrics-util 0.3.1 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e9dab4b09fdd843b5c00133ad218eb6e1b64986bc80717e2aa962e113d1d0934
[INFO] running `"docker" "start" "-a" "e9dab4b09fdd843b5c00133ad218eb6e1b64986bc80717e2aa962e113d1d0934"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling metrics-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "e9dab4b09fdd843b5c00133ad218eb6e1b64986bc80717e2aa962e113d1d0934"`
[INFO] running `"docker" "rm" "-f" "e9dab4b09fdd843b5c00133ad218eb6e1b64986bc80717e2aa962e113d1d0934"`
[INFO] [stdout] e9dab4b09fdd843b5c00133ad218eb6e1b64986bc80717e2aa962e113d1d0934
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f71671763ce72d235ed6b11dc0af7250fdc2bf4c198e9c4b6f77199dc62e22b5
[INFO] running `"docker" "start" "-a" "f71671763ce72d235ed6b11dc0af7250fdc2bf4c198e9c4b6f77199dc62e22b5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling metrics-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 55.22s
[INFO] running `"docker" "inspect" "f71671763ce72d235ed6b11dc0af7250fdc2bf4c198e9c4b6f77199dc62e22b5"`
[INFO] running `"docker" "rm" "-f" "f71671763ce72d235ed6b11dc0af7250fdc2bf4c198e9c4b6f77199dc62e22b5"`
[INFO] [stdout] f71671763ce72d235ed6b11dc0af7250fdc2bf4c198e9c4b6f77199dc62e22b5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 8463aea2774ad579218f5a868be693101b4e6d50dc3cbb6c3bf5526975442640
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8463aea2774ad579218f5a868be693101b4e6d50dc3cbb6c3bf5526975442640"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_util-220ed29dde8c9782
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_multiple_blocks ... ok
[INFO] [stdout] test bucket::tests::test_bucket_multiple_blocks_write_then_read ... ok
[INFO] [stdout] test bucket::tests::test_bucket_write_then_read ... ok
[INFO] [stdout] test bucket::tests::test_create_new_block ... ok
[INFO] [stdout] test bucket::tests::test_block_write_then_read ... ok
[INFO] [stdout] test quantile::tests::test_parse_quantiles ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_new ... ok
[INFO] [stdout] test quantile::tests::test_quantiles ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_single_block ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_empty_block ... ok
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read_mt ... ok
[INFO] [stdout] test bucket::tests::test_bucket_write_then_read_mt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-util
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8463aea2774ad579218f5a868be693101b4e6d50dc3cbb6c3bf5526975442640"`
[INFO] running `"docker" "rm" "-f" "8463aea2774ad579218f5a868be693101b4e6d50dc3cbb6c3bf5526975442640"`
[INFO] [stdout] 8463aea2774ad579218f5a868be693101b4e6d50dc3cbb6c3bf5526975442640