[INFO] crate witchcraft-metrics 0.1.1 is already in cache
[INFO] testing witchcraft-metrics-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate witchcraft-metrics 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate witchcraft-metrics 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witchcraft-metrics 0.1.1
[INFO] finished tweaking crates.io crate witchcraft-metrics 0.1.1
[INFO] tweaked toml for crates.io crate witchcraft-metrics 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7d3399193b8b8bf63e367dc42c8b105a8c266b8061b93d22796bb018b8611e7
[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" "c7d3399193b8b8bf63e367dc42c8b105a8c266b8061b93d22796bb018b8611e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7d3399193b8b8bf63e367dc42c8b105a8c266b8061b93d22796bb018b8611e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d3399193b8b8bf63e367dc42c8b105a8c266b8061b93d22796bb018b8611e7", kill_on_drop: false }`
[INFO] [stdout] c7d3399193b8b8bf63e367dc42c8b105a8c266b8061b93d22796bb018b8611e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8cce3c78d8c2de679c7880b79b61131342698b0d648c5f8c7cc20fedb51cb2c
[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" "f8cce3c78d8c2de679c7880b79b61131342698b0d648c5f8c7cc20fedb51cb2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.5
[INFO] [stderr]    Compiling witchcraft-metrics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "f8cce3c78d8c2de679c7880b79b61131342698b0d648c5f8c7cc20fedb51cb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cce3c78d8c2de679c7880b79b61131342698b0d648c5f8c7cc20fedb51cb2c", kill_on_drop: false }`
[INFO] [stdout] f8cce3c78d8c2de679c7880b79b61131342698b0d648c5f8c7cc20fedb51cb2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda1291005966ac01cc50270bb4d1653adf37dbf0c3d9ed703682198801099e8
[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" "fda1291005966ac01cc50270bb4d1653adf37dbf0c3d9ed703682198801099e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling witchcraft-metrics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "fda1291005966ac01cc50270bb4d1653adf37dbf0c3d9ed703682198801099e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda1291005966ac01cc50270bb4d1653adf37dbf0c3d9ed703682198801099e8", kill_on_drop: false }`
[INFO] [stdout] fda1291005966ac01cc50270bb4d1653adf37dbf0c3d9ed703682198801099e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 308046c617dac35f8432a37193179d056b43ad43b3dc1901151edc048d9cafef
[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" "308046c617dac35f8432a37193179d056b43ad43b3dc1901151edc048d9cafef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/witchcraft_metrics-7ab92ab7f51c1998
[INFO] [stdout] running 11 tests
[INFO] [stdout] test meter::test::marks_events_and_updates_rate_and_count ... ok
[INFO] [stdout] test meter::test::starts_out_with_no_rates_or_count ... ok
[INFO] [stdout] test reservoir::test::exponential_basic ... ok
[INFO] [stdout] test timer::test::basic ... ok
[INFO] [stdout] test registry::test::tagged_distinct_from_untagged ... ok
[INFO] [stderr]    Doc-tests witchcraft-metrics
[INFO] [stdout] test registry::test::metrics_returns_snapshot ... ok
[INFO] [stdout] test metric_id::test::basic ... ok
[INFO] [stdout] test registry::test::first_metric_wins ... ok
[INFO] [stdout] test counter::test::basic ... ok
[INFO] [stdout] test histogram::test::basic ... ok
[INFO] [stdout] test timer::test::time ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/registry.rs - registry::MetricRegistry (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "308046c617dac35f8432a37193179d056b43ad43b3dc1901151edc048d9cafef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308046c617dac35f8432a37193179d056b43ad43b3dc1901151edc048d9cafef", kill_on_drop: false }`
[INFO] [stdout] 308046c617dac35f8432a37193179d056b43ad43b3dc1901151edc048d9cafef