[INFO] fetching crate multicast_dns 0.4.2...
[INFO] checking multicast_dns-0.4.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate multicast_dns 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate multicast_dns 0.4.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate multicast_dns 0.4.2
[INFO] finished tweaking crates.io crate multicast_dns 0.4.2
[INFO] tweaked toml for crates.io crate multicast_dns 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d681abd54afecca7882c60bb7fc761d604d439e9840cb41c52606fe2a3a30ab
[INFO] running `"docker" "start" "-a" "4d681abd54afecca7882c60bb7fc761d604d439e9840cb41c52606fe2a3a30ab"`
[INFO] [stderr]     Checking multicast_dns v0.4.2 (/opt/rustwide/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] 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 1.34s
[INFO] running `"docker" "inspect" "4d681abd54afecca7882c60bb7fc761d604d439e9840cb41c52606fe2a3a30ab"`
[INFO] running `"docker" "rm" "-f" "4d681abd54afecca7882c60bb7fc761d604d439e9840cb41c52606fe2a3a30ab"`
[INFO] [stdout] 4d681abd54afecca7882c60bb7fc761d604d439e9840cb41c52606fe2a3a30ab