[INFO] crate grin_servers 2.0.0 is already in cache
[INFO] extracting crate grin_servers 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/grin_servers/2.0.0
[INFO] extracting crate grin_servers 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/grin_servers/2.0.0
[INFO] validating manifest of grin_servers-2.0.0 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 grin_servers-2.0.0 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 grin_servers-2.0.0
[INFO] finished frobbing grin_servers-2.0.0
[INFO] frobbed toml for grin_servers-2.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/grin_servers/2.0.0/Cargo.toml
[INFO] started frobbing grin_servers-2.0.0
[INFO] finished frobbing grin_servers-2.0.0
[INFO] frobbed toml for grin_servers-2.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/grin_servers/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 grin_servers-2.0.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/grin_servers/2.0.0:/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] 63aaaa0770cb8da9dcbea4a400f47da55ad86b443840f15e9feb8e0a8db3a83e
[INFO] running `"docker" "start" "-a" "63aaaa0770cb8da9dcbea4a400f47da55ad86b443840f15e9feb8e0a8db3a83e"`
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling grin_servers v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common/adapters.rs:352:43
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[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/common/hooks.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut list: Vec<Box<NetEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NetEvents + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common/hooks.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut list: Vec<Box<ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChainEvents + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grin/dandelion_monitor.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |     adapter: Arc<DandelionAdapter>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DandelionAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grin/dandelion_monitor.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |     adapter: &Arc<DandelionAdapter>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DandelionAdapter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.60s
[INFO] running `"docker" "inspect" "63aaaa0770cb8da9dcbea4a400f47da55ad86b443840f15e9feb8e0a8db3a83e"`
[INFO] running `"docker" "rm" "-f" "63aaaa0770cb8da9dcbea4a400f47da55ad86b443840f15e9feb8e0a8db3a83e"`
[INFO] [stdout] 63aaaa0770cb8da9dcbea4a400f47da55ad86b443840f15e9feb8e0a8db3a83e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/grin_servers/2.0.0:/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] ffdfaaab0d6a131be9b15f861505dc89730781d5021a08128bb276fb9f684d5d
[INFO] running `"docker" "start" "-a" "ffdfaaab0d6a131be9b15f861505dc89730781d5021a08128bb276fb9f684d5d"`
[INFO] [stderr]    Compiling grin_servers v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common/adapters.rs:352:43
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[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/common/hooks.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut list: Vec<Box<NetEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NetEvents + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common/hooks.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut list: Vec<Box<ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChainEvents + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grin/dandelion_monitor.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |     adapter: Arc<DandelionAdapter>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DandelionAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grin/dandelion_monitor.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |     adapter: &Arc<DandelionAdapter>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DandelionAdapter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `"docker" "inspect" "ffdfaaab0d6a131be9b15f861505dc89730781d5021a08128bb276fb9f684d5d"`
[INFO] running `"docker" "rm" "-f" "ffdfaaab0d6a131be9b15f861505dc89730781d5021a08128bb276fb9f684d5d"`
[INFO] [stdout] ffdfaaab0d6a131be9b15f861505dc89730781d5021a08128bb276fb9f684d5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/grin_servers/2.0.0:/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] 368b110e48e0fd2205cbedd8adb21362020fa4447ce2abd5b721f74d5616aa15
[INFO] running `"docker" "start" "-a" "368b110e48e0fd2205cbedd8adb21362020fa4447ce2abd5b721f74d5616aa15"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/grin_servers-efd19c7092586b4d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test grin::sync::header_sync::test::test_close_enough ... ok
[INFO] [stdout] test grin::sync::header_sync::test::test_get_locator_heights ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grin_servers
[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" "368b110e48e0fd2205cbedd8adb21362020fa4447ce2abd5b721f74d5616aa15"`
[INFO] running `"docker" "rm" "-f" "368b110e48e0fd2205cbedd8adb21362020fa4447ce2abd5b721f74d5616aa15"`
[INFO] [stdout] 368b110e48e0fd2205cbedd8adb21362020fa4447ce2abd5b721f74d5616aa15