[INFO] updating cached repository MindFlavor/prometheus_exporter_base
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MindFlavor/prometheus_exporter_base
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_exporter_base" "work/ex/beta-1.37-6/sources/1.36.0/gh/MindFlavor/prometheus_exporter_base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/MindFlavor/prometheus_exporter_base'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_exporter_base" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e7bb9c93c2d1e23e4b04b4a1f61e1dffaf15b77
[INFO] sha for GitHub repo MindFlavor/prometheus_exporter_base: 3e7bb9c93c2d1e23e4b04b4a1f61e1dffaf15b77
[INFO] validating manifest of MindFlavor/prometheus_exporter_base on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MindFlavor/prometheus_exporter_base on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MindFlavor/prometheus_exporter_base
[INFO] finished frobbing MindFlavor/prometheus_exporter_base
[INFO] frobbed toml for MindFlavor/prometheus_exporter_base written to work/ex/beta-1.37-6/sources/1.36.0/gh/MindFlavor/prometheus_exporter_base/Cargo.toml
[INFO] started frobbing MindFlavor/prometheus_exporter_base
[INFO] finished frobbing MindFlavor/prometheus_exporter_base
[INFO] frobbed toml for MindFlavor/prometheus_exporter_base written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base/Cargo.toml
[INFO] crate MindFlavor/prometheus_exporter_base already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing MindFlavor/prometheus_exporter_base against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0aad8cd49ddeae5cd10a1874407bc9de7108d739d8844b5c0f60c285d74ab8c0
[INFO] running `"docker" "start" "-a" "0aad8cd49ddeae5cd10a1874407bc9de7108d739d8844b5c0f60c285d74ab8c0"`
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling hyper-rustls v0.16.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.69s
[INFO] running `"docker" "inspect" "0aad8cd49ddeae5cd10a1874407bc9de7108d739d8844b5c0f60c285d74ab8c0"`
[INFO] running `"docker" "rm" "-f" "0aad8cd49ddeae5cd10a1874407bc9de7108d739d8844b5c0f60c285d74ab8c0"`
[INFO] [stdout] 0aad8cd49ddeae5cd10a1874407bc9de7108d739d8844b5c0f60c285d74ab8c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] af52fedf9478d80486317ef15f74ecb681561a491f98099facd8deec14e196f4
[INFO] running `"docker" "start" "-a" "af52fedf9478d80486317ef15f74ecb681561a491f98099facd8deec14e196f4"`
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `"docker" "inspect" "af52fedf9478d80486317ef15f74ecb681561a491f98099facd8deec14e196f4"`
[INFO] running `"docker" "rm" "-f" "af52fedf9478d80486317ef15f74ecb681561a491f98099facd8deec14e196f4"`
[INFO] [stdout] af52fedf9478d80486317ef15f74ecb681561a491f98099facd8deec14e196f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0dd8feb4d21e9ff413c00a72a7ba0ea5efaf2606200930e8a93169441c561892
[INFO] running `"docker" "start" "-a" "0dd8feb4d21e9ff413c00a72a7ba0ea5efaf2606200930e8a93169441c561892"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_exporter_base-37acdec9624a0e0a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test render_to_prometheus::tests::test_attributes ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_header ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_no_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_exporter_base
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/render_to_prometheus.rs - render_to_prometheus::PrometheusCounter::render_counter (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0dd8feb4d21e9ff413c00a72a7ba0ea5efaf2606200930e8a93169441c561892"`
[INFO] running `"docker" "rm" "-f" "0dd8feb4d21e9ff413c00a72a7ba0ea5efaf2606200930e8a93169441c561892"`
[INFO] [stdout] 0dd8feb4d21e9ff413c00a72a7ba0ea5efaf2606200930e8a93169441c561892