[INFO] fetching crate embedded-packet-io 0.1.0... [INFO] testing embedded-packet-io-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate embedded-packet-io 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate embedded-packet-io 0.1.0 [INFO] finished tweaking crates.io crate embedded-packet-io 0.1.0 [INFO] tweaked toml for crates.io crate embedded-packet-io 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate embedded-packet-io 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate embedded-packet-io 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7543eb749dba20a2636777f38dd9db5db4741f888221c9d91492e5bd53c723f [INFO] running `Command { std: "docker" "start" "-a" "b7543eb749dba20a2636777f38dd9db5db4741f888221c9d91492e5bd53c723f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7543eb749dba20a2636777f38dd9db5db4741f888221c9d91492e5bd53c723f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7543eb749dba20a2636777f38dd9db5db4741f888221c9d91492e5bd53c723f", kill_on_drop: false }` [INFO] [stdout] b7543eb749dba20a2636777f38dd9db5db4741f888221c9d91492e5bd53c723f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 07f1710ab015976f845890e137836dc67dbf8dc59d2a9d54c444cbfbca517aa4 [INFO] running `Command { std: "docker" "start" "-a" "07f1710ab015976f845890e137836dc67dbf8dc59d2a9d54c444cbfbca517aa4", kill_on_drop: false }` [INFO] [stderr] Compiling embedded-io-async v0.6.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling embedded-io v0.6.1 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling hash32 v0.3.1 [INFO] [stderr] Compiling embedded-packet-io v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 8 - async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] 8 + fn read_packet(&mut self) -> impl std::future::Future, Self::Error>> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 15 - async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] 15 + fn write_packet(&mut self, x: heapless::Vec) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 16 - async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] 16 + fn flush(&mut self) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "07f1710ab015976f845890e137836dc67dbf8dc59d2a9d54c444cbfbca517aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07f1710ab015976f845890e137836dc67dbf8dc59d2a9d54c444cbfbca517aa4", kill_on_drop: false }` [INFO] [stdout] 07f1710ab015976f845890e137836dc67dbf8dc59d2a9d54c444cbfbca517aa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bd1d1eec6ae6e09144218bcc7539faa13cfd5435f65cc23ddc14ff76bb2e0723 [INFO] running `Command { std: "docker" "start" "-a" "bd1d1eec6ae6e09144218bcc7539faa13cfd5435f65cc23ddc14ff76bb2e0723", kill_on_drop: false }` [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 8 - async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] 8 + fn read_packet(&mut self) -> impl std::future::Future, Self::Error>> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 15 - async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] 15 + fn write_packet(&mut self, x: heapless::Vec) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 16 - async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] 16 + fn flush(&mut self) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling embedded-packet-io v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 8 - async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] 8 + fn read_packet(&mut self) -> impl std::future::Future, Self::Error>> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 15 - async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stdout] 15 + fn write_packet(&mut self, x: heapless::Vec) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 16 - async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stdout] 16 + fn flush(&mut self) -> impl std::future::Future> + Send; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "bd1d1eec6ae6e09144218bcc7539faa13cfd5435f65cc23ddc14ff76bb2e0723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd1d1eec6ae6e09144218bcc7539faa13cfd5435f65cc23ddc14ff76bb2e0723", kill_on_drop: false }` [INFO] [stdout] bd1d1eec6ae6e09144218bcc7539faa13cfd5435f65cc23ddc14ff76bb2e0723 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9ca028802851f9d0bbc9adff882f53a9343f9f032f6fb08f8de69d3c49f0e9f7 [INFO] running `Command { std: "docker" "start" "-a" "9ca028802851f9d0bbc9adff882f53a9343f9f032f6fb08f8de69d3c49f0e9f7", kill_on_drop: false }` [INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 8 | async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stdout] [INFO] [stderr] | ^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stderr] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stderr] | [INFO] [stderr] 8 - async fn read_packet(&mut self) -> Result, Self::Error>; [INFO] [stderr] 8 + fn read_packet(&mut self) -> impl std::future::Future, Self::Error>> + Send; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stderr] --> src/lib.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stderr] | [INFO] [stderr] 15 - async fn write_packet(&mut self, x: heapless::Vec) -> Result<(),Self::Error>; [INFO] [stderr] 15 + fn write_packet(&mut self, x: heapless::Vec) -> impl std::future::Future> + Send; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stderr] --> src/lib.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stderr] | [INFO] [stderr] 16 - async fn flush(&mut self) -> Result<(),Self::Error>; [INFO] [stderr] 16 + fn flush(&mut self) -> impl std::future::Future> + Send; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `embedded-packet-io` (lib) generated 3 warnings [INFO] [stderr] warning: `embedded-packet-io` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/embedded_packet_io-c5902f4663cc2a94) [INFO] running `Command { std: "docker" "inspect" "9ca028802851f9d0bbc9adff882f53a9343f9f032f6fb08f8de69d3c49f0e9f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ca028802851f9d0bbc9adff882f53a9343f9f032f6fb08f8de69d3c49f0e9f7", kill_on_drop: false }` [INFO] [stdout] 9ca028802851f9d0bbc9adff882f53a9343f9f032f6fb08f8de69d3c49f0e9f7