[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MindFlavor/prometheus_iota_exporter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MindFlavor/prometheus_iota_exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_iota_exporter" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/MindFlavor/prometheus_iota_exporter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MindFlavor/prometheus_iota_exporter on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking MindFlavor/prometheus_iota_exporter against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f0ba30794b01374b7893757ddee817bc94e2cda93ea880def7bb202165815c3
[INFO] running `"docker" "start" "-a" "3f0ba30794b01374b7893757ddee817bc94e2cda93ea880def7bb202165815c3"`
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking 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] 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 9.69s
[INFO] running `"docker" "inspect" "3f0ba30794b01374b7893757ddee817bc94e2cda93ea880def7bb202165815c3"`
[INFO] running `"docker" "rm" "-f" "3f0ba30794b01374b7893757ddee817bc94e2cda93ea880def7bb202165815c3"`
[INFO] [stdout] 3f0ba30794b01374b7893757ddee817bc94e2cda93ea880def7bb202165815c3