[INFO] updating cached repository https://github.com/fxbox/multicast-dns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5170d04b150f76e126256fb2f6d73df373c1679
[INFO] checking fxbox/multicast-dns against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxbox%2Fmulticast-dns" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxbox/multicast-dns on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fxbox/multicast-dns
[INFO] finished tweaking git repo https://github.com/fxbox/multicast-dns
[INFO] tweaked toml for git repo https://github.com/fxbox/multicast-dns written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fxbox/multicast-dns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 242497a41c9c80b250dc784f4b67b6709a50fd8887026abb3d07abefbcf8a9ab
[INFO] running `"docker" "start" "-a" "242497a41c9c80b250dc784f4b67b6709a50fd8887026abb3d07abefbcf8a9ab"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking log v0.4.6
[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 1.91s
[INFO] running `"docker" "inspect" "242497a41c9c80b250dc784f4b67b6709a50fd8887026abb3d07abefbcf8a9ab"`
[INFO] running `"docker" "rm" "-f" "242497a41c9c80b250dc784f4b67b6709a50fd8887026abb3d07abefbcf8a9ab"`
[INFO] [stdout] 242497a41c9c80b250dc784f4b67b6709a50fd8887026abb3d07abefbcf8a9ab