[INFO] fetching crate udp_netmsg 0.1.8...
[INFO] checking udp_netmsg-0.1.8 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate udp_netmsg 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate udp_netmsg 0.1.8 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate udp_netmsg 0.1.8
[INFO] finished tweaking crates.io crate udp_netmsg 0.1.8
[INFO] tweaked toml for crates.io crate udp_netmsg 0.1.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a118009dd331b06df7ebe275db6d834aad791474949b6fbd16d8ab1863be214
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a118009dd331b06df7ebe275db6d834aad791474949b6fbd16d8ab1863be214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a118009dd331b06df7ebe275db6d834aad791474949b6fbd16d8ab1863be214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a118009dd331b06df7ebe275db6d834aad791474949b6fbd16d8ab1863be214", kill_on_drop: false }`
[INFO] [stdout] 2a118009dd331b06df7ebe275db6d834aad791474949b6fbd16d8ab1863be214
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602744fb11b3e954ce224d1b58df0a5b209cc7935fc7d78340260ddd6a548d92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "602744fb11b3e954ce224d1b58df0a5b209cc7935fc7d78340260ddd6a548d92", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking udp_netmsg v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_buffer(buffer: Cursor<Vec<u8>>)->Box<Datagram> where Self: Sized;
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |     con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>>,
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:60
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>> = HashMap::new();
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:67:82
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn recv(&mut self, blocking: bool, ignore_payload_len: bool)->Option<Box<Datagram>> {
[INFO] [stdout]    |                                                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:128:72
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn register(&mut self, key: u32, con: fn(Cursor<Vec<u8>>)->Box<Datagram> ) {
[INFO] [stdout]     |                                                                        ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]  --> src/utilities.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[inline]
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/utilities.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_buffer(buffer: Cursor<Vec<u8>>)->Box<Datagram> where Self: Sized;
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |     con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>>,
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:60
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>> = HashMap::new();
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:67:82
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn recv(&mut self, blocking: bool, ignore_payload_len: bool)->Option<Box<Datagram>> {
[INFO] [stdout]    |                                                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:128:72
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn register(&mut self, key: u32, con: fn(Cursor<Vec<u8>>)->Box<Datagram> ) {
[INFO] [stdout]     |                                                                        ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]  --> src/utilities.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[inline]
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/utilities.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/example.rs:16:54
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_buffer(mut buffer: Cursor<Vec<u8>>)->Box<Datagram> {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "602744fb11b3e954ce224d1b58df0a5b209cc7935fc7d78340260ddd6a548d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602744fb11b3e954ce224d1b58df0a5b209cc7935fc7d78340260ddd6a548d92", kill_on_drop: false }`
[INFO] [stdout] 602744fb11b3e954ce224d1b58df0a5b209cc7935fc7d78340260ddd6a548d92