[INFO] crate multicast_dns 0.4.2 is already in cache
[INFO] extracting crate multicast_dns 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/multicast_dns/0.4.2
[INFO] extracting crate multicast_dns 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/multicast_dns/0.4.2
[INFO] validating manifest of multicast_dns-0.4.2 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 multicast_dns-0.4.2 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 multicast_dns-0.4.2
[INFO] finished frobbing multicast_dns-0.4.2
[INFO] frobbed toml for multicast_dns-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/multicast_dns/0.4.2/Cargo.toml
[INFO] started frobbing multicast_dns-0.4.2
[INFO] finished frobbing multicast_dns-0.4.2
[INFO] frobbed toml for multicast_dns-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/multicast_dns/0.4.2/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 multicast_dns-0.4.2 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/reg/multicast_dns/0.4.2:/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] 811cf83a43bfe0b83730ef0866c691a5d80043d98cd20a7211e812ea0765564d
[INFO] running `"docker" "start" "-a" "811cf83a43bfe0b83730ef0866c691a5d80043d98cd20a7211e812ea0765564d"`
[INFO] [stderr]    Compiling multicast_dns v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/adapters/avahi/errors.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/adapters/errors.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub on_service_discovered: Option<&'a Fn(ServiceInfo)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ServiceInfo)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub on_all_discovered: Option<&'a Fn()>,
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub on_service_resolved: Option<&'a Fn(ServiceInfo)>,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ServiceInfo)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     adapter: Box<DiscoveryAdapter>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DiscoveryAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let adapter: Box<DiscoveryAdapter> = Box::new(PlatformDependentAdapter::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DiscoveryAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/host/host_manager.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |     adapter: Box<HostAdapter>,
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: use `dyn`: `dyn HostAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/host/host_manager.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let adapter: Box<HostAdapter> = Box::new(PlatformDependentAdapter::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn HostAdapter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "811cf83a43bfe0b83730ef0866c691a5d80043d98cd20a7211e812ea0765564d"`
[INFO] running `"docker" "rm" "-f" "811cf83a43bfe0b83730ef0866c691a5d80043d98cd20a7211e812ea0765564d"`
[INFO] [stdout] 811cf83a43bfe0b83730ef0866c691a5d80043d98cd20a7211e812ea0765564d
[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/reg/multicast_dns/0.4.2:/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] afb49280db6f29ac38991b563a425f03110ae0f6a27cb18c1dc7664ffb9f3f9f
[INFO] running `"docker" "start" "-a" "afb49280db6f29ac38991b563a425f03110ae0f6a27cb18c1dc7664ffb9f3f9f"`
[INFO] [stderr]    Compiling multicast_dns v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/adapters/avahi/errors.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/adapters/errors.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub on_service_discovered: Option<&'a Fn(ServiceInfo)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ServiceInfo)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub on_all_discovered: Option<&'a Fn()>,
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub on_service_resolved: Option<&'a Fn(ServiceInfo)>,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ServiceInfo)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     adapter: Box<DiscoveryAdapter>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DiscoveryAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discovery/discovery_manager.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let adapter: Box<DiscoveryAdapter> = Box::new(PlatformDependentAdapter::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DiscoveryAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/host/host_manager.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |     adapter: Box<HostAdapter>,
[INFO] [stderr]   |                  ^^^^^^^^^^^ help: use `dyn`: `dyn HostAdapter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/host/host_manager.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let adapter: Box<HostAdapter> = Box::new(PlatformDependentAdapter::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn HostAdapter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "afb49280db6f29ac38991b563a425f03110ae0f6a27cb18c1dc7664ffb9f3f9f"`
[INFO] running `"docker" "rm" "-f" "afb49280db6f29ac38991b563a425f03110ae0f6a27cb18c1dc7664ffb9f3f9f"`
[INFO] [stdout] afb49280db6f29ac38991b563a425f03110ae0f6a27cb18c1dc7664ffb9f3f9f
[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/reg/multicast_dns/0.4.2:/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] 3f3b752bc98a9bacc704db278a515ea36179912ef60e11259efd5c6b0a9ea6a2
[INFO] running `"docker" "start" "-a" "3f3b752bc98a9bacc704db278a515ea36179912ef60e11259efd5c6b0a9ea6a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multicast_dns-ca0157bdf14c0d3c
[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] [stderr]    Doc-tests multicast_dns
[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" "3f3b752bc98a9bacc704db278a515ea36179912ef60e11259efd5c6b0a9ea6a2"`
[INFO] running `"docker" "rm" "-f" "3f3b752bc98a9bacc704db278a515ea36179912ef60e11259efd5c6b0a9ea6a2"`
[INFO] [stdout] 3f3b752bc98a9bacc704db278a515ea36179912ef60e11259efd5c6b0a9ea6a2