[INFO] cloning repository https://github.com/andrewcsmith/osc_server_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewcsmith/osc_server_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcsmith%2Fosc_server_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcsmith%2Fosc_server_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bb571f79dc6e19c83fbc81eb999eef0f978bf24
[INFO] checking andrewcsmith/osc_server_example against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcsmith%2Fosc_server_example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewcsmith/osc_server_example on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewcsmith/osc_server_example
[INFO] finished tweaking git repo https://github.com/andrewcsmith/osc_server_example
[INFO] tweaked toml for git repo https://github.com/andrewcsmith/osc_server_example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewcsmith/osc_server_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded osc_address v0.2.2
[INFO] [stderr]   Downloaded osc_address_derive v0.2.2
[INFO] [stderr]   Downloaded serde_osc v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 052e93b43af8653ce7d954de9622847e8f210fc2763e66f4b5f7366f0754f902
[INFO] running `Command { std: "docker" "start" "-a" "052e93b43af8653ce7d954de9622847e8f210fc2763e66f4b5f7366f0754f902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052e93b43af8653ce7d954de9622847e8f210fc2763e66f4b5f7366f0754f902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052e93b43af8653ce7d954de9622847e8f210fc2763e66f4b5f7366f0754f902", kill_on_drop: false }`
[INFO] [stdout] 052e93b43af8653ce7d954de9622847e8f210fc2763e66f4b5f7366f0754f902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8e624adc71a011df32010efe07094ac3193cdf1c20c222044e5a064840c0984
[INFO] running `Command { std: "docker" "start" "-a" "d8e624adc71a011df32010efe07094ac3193cdf1c20c222044e5a064840c0984", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling osc_address_derive v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_osc v0.4.2
[INFO] [stderr]     Checking osc_address v0.2.2
[INFO] [stderr]     Checking osc_server_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OscMessage`
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | use osc_address::{OscMessage, OscBundle, OscPacket};
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buf`, `BytesMut`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use bytes::{Buf, BytesMut, BufMut};
[INFO] [stdout]    |             ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OscMessage`
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | use osc_address::{OscMessage, OscBundle, OscPacket};
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BoxFuture`, `Sink`
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buf`, `BytesMut`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use bytes::{Buf, BytesMut, BufMut};
[INFO] [stdout]    |             ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]   --> src/main.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BoxFuture`, `Sink`
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_service::Service`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tokio_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]   --> src/main.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_service::Service`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tokio_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/main.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/main.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_sink`
[INFO] [stdout]   --> src/main.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_sink`
[INFO] [stdout]   --> src/main.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         _ => { 
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         _ => { 
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     .for_each(|(addr, bundle)| {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     .for_each(|(addr, bundle)| {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     core.run(sock_stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let _ = core.run(sock_stream);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     core.run(sock_stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let _ = core.run(sock_stream);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d8e624adc71a011df32010efe07094ac3193cdf1c20c222044e5a064840c0984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e624adc71a011df32010efe07094ac3193cdf1c20c222044e5a064840c0984", kill_on_drop: false }`
[INFO] [stdout] d8e624adc71a011df32010efe07094ac3193cdf1c20c222044e5a064840c0984
[INFO] checking andrewcsmith/osc_server_example against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcsmith%2Fosc_server_example" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewcsmith/osc_server_example on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewcsmith/osc_server_example
[INFO] finished tweaking git repo https://github.com/andrewcsmith/osc_server_example
[INFO] tweaked toml for git repo https://github.com/andrewcsmith/osc_server_example written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewcsmith/osc_server_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a543e5c9477d5c320564390fb00e658c6ccbd5e92c06f04e6d3953482259f15
[INFO] running `Command { std: "docker" "start" "-a" "1a543e5c9477d5c320564390fb00e658c6ccbd5e92c06f04e6d3953482259f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a543e5c9477d5c320564390fb00e658c6ccbd5e92c06f04e6d3953482259f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a543e5c9477d5c320564390fb00e658c6ccbd5e92c06f04e6d3953482259f15", kill_on_drop: false }`
[INFO] [stdout] 1a543e5c9477d5c320564390fb00e658c6ccbd5e92c06f04e6d3953482259f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dnon_local_definitions" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc91935f9192794723fa50824b15215f712749223f56d3409fb90438b40e656
[INFO] running `Command { std: "docker" "start" "-a" "bbc91935f9192794723fa50824b15215f712749223f56d3409fb90438b40e656", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling osc_address_derive v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_osc v0.4.2
[INFO] [stderr]     Checking osc_address v0.2.2
[INFO] [stderr]     Checking osc_server_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OscMessage`
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | use osc_address::{OscMessage, OscBundle, OscPacket};
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OscMessage`
[INFO] [stdout]   --> src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | use osc_address::{OscMessage, OscBundle, OscPacket};
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buf`, `BytesMut`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use bytes::{Buf, BytesMut, BufMut};
[INFO] [stdout]    |             ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buf`, `BytesMut`
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | use bytes::{Buf, BytesMut, BufMut};
[INFO] [stdout]    |             ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BoxFuture`, `Sink`
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]   --> src/main.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_service::Service`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tokio_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BoxFuture`, `Sink`
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]   --> src/main.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_service::Service`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tokio_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/main.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn go() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/main.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use futures::{Future, BoxFuture, Sink, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/main.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tokio_io::codec::{Encoder, Decoder};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_sink`
[INFO] [stdout]   --> src/main.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_sink`
[INFO] [stdout]   --> src/main.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         _ => { 
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     .for_each(|(addr, bundle)| {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         _ => { 
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     .for_each(|(addr, bundle)| {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let (sock_sink, mut sock_stream) = socket.framed(OSCCodec).split();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/main.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(OscMessage, Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_OSCADDRESS_FOR_OscMsg`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `OscMessage` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/main.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(OscMessage, Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_OSCADDRESS_FOR_OscMsg`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `OscMessage` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     core.run(sock_stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let _ = core.run(sock_stream);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     core.run(sock_stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let _ = core.run(sock_stream);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osc_server_example` (bin "osc_server_example" test) due to 2 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `osc_server_example` (bin "osc_server_example") due to 2 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bbc91935f9192794723fa50824b15215f712749223f56d3409fb90438b40e656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc91935f9192794723fa50824b15215f712749223f56d3409fb90438b40e656", kill_on_drop: false }`
[INFO] [stdout] bbc91935f9192794723fa50824b15215f712749223f56d3409fb90438b40e656
