[INFO] updating cached repository MindFlavor/prometheus_iota_exporter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MindFlavor/prometheus_iota_exporter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_iota_exporter" "work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_iota_exporter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_iota_exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_iota_exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ce7045b2d71f0c50cc182868a8c67ea1430da9a
[INFO] sha for GitHub repo MindFlavor/prometheus_iota_exporter: 0ce7045b2d71f0c50cc182868a8c67ea1430da9a
[INFO] validating manifest of MindFlavor/prometheus_iota_exporter on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MindFlavor/prometheus_iota_exporter on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MindFlavor/prometheus_iota_exporter
[INFO] finished frobbing MindFlavor/prometheus_iota_exporter
[INFO] frobbed toml for MindFlavor/prometheus_iota_exporter written to work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter/Cargo.toml
[INFO] started frobbing MindFlavor/prometheus_iota_exporter
[INFO] finished frobbing MindFlavor/prometheus_iota_exporter
[INFO] frobbed toml for MindFlavor/prometheus_iota_exporter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_iota_exporter/Cargo.toml
[INFO] crate MindFlavor/prometheus_iota_exporter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing MindFlavor/prometheus_iota_exporter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 502509e8cd688ec6f63af6b854d7f94b7d71ba4c29101d4f1f0d3e40ffb1f26f
[INFO] running `"docker" "start" "-a" "502509e8cd688ec6f63af6b854d7f94b7d71ba4c29101d4f1f0d3e40ffb1f26f"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling prometheus_iota_exporter v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:10
[INFO] [stderr]    |
[INFO] [stderr] 72 | ) -> Box<Future<Item = String, Error = ExporterError> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = ExporterError> + Send`
[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/main.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 | ) -> Box<Future<Item = Response<Body>, Error = ExporterError> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = ExporterError> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:123:10
[INFO] [stderr]     |
[INFO] [stderr] 123 | ) -> Box<Future<Item = Response<Body>, Error = ExporterError> + Send> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = ExporterError> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.56s
[INFO] running `"docker" "inspect" "502509e8cd688ec6f63af6b854d7f94b7d71ba4c29101d4f1f0d3e40ffb1f26f"`
[INFO] running `"docker" "rm" "-f" "502509e8cd688ec6f63af6b854d7f94b7d71ba4c29101d4f1f0d3e40ffb1f26f"`
[INFO] [stdout] 502509e8cd688ec6f63af6b854d7f94b7d71ba4c29101d4f1f0d3e40ffb1f26f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a429eef8d4f242af577b1295a555f228ac23a3a22d77d2b72c6d10977601f5b
[INFO] running `"docker" "start" "-a" "6a429eef8d4f242af577b1295a555f228ac23a3a22d77d2b72c6d10977601f5b"`
[INFO] [stderr]    Compiling prometheus_iota_exporter v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:10
[INFO] [stderr]    |
[INFO] [stderr] 72 | ) -> Box<Future<Item = String, Error = ExporterError> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = ExporterError> + Send`
[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/main.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 | ) -> Box<Future<Item = Response<Body>, Error = ExporterError> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = ExporterError> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:123:10
[INFO] [stderr]     |
[INFO] [stderr] 123 | ) -> Box<Future<Item = Response<Body>, Error = ExporterError> + Send> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = ExporterError> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `"docker" "inspect" "6a429eef8d4f242af577b1295a555f228ac23a3a22d77d2b72c6d10977601f5b"`
[INFO] running `"docker" "rm" "-f" "6a429eef8d4f242af577b1295a555f228ac23a3a22d77d2b72c6d10977601f5b"`
[INFO] [stdout] 6a429eef8d4f242af577b1295a555f228ac23a3a22d77d2b72c6d10977601f5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_iota_exporter:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c18655e76b35ee4130ccfc77cf38ffce762ed2315c2ab7b9acab101760cbc22f
[INFO] running `"docker" "start" "-a" "c18655e76b35ee4130ccfc77cf38ffce762ed2315c2ab7b9acab101760cbc22f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_iota_exporter-e587a1c792ead05c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test node_info::tests::test_parse ... ok
[INFO] [stdout] test get_neighbors::tests::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c18655e76b35ee4130ccfc77cf38ffce762ed2315c2ab7b9acab101760cbc22f"`
[INFO] running `"docker" "rm" "-f" "c18655e76b35ee4130ccfc77cf38ffce762ed2315c2ab7b9acab101760cbc22f"`
[INFO] [stdout] c18655e76b35ee4130ccfc77cf38ffce762ed2315c2ab7b9acab101760cbc22f