[INFO] fetching crate unmp-link-serial 0.3.2... [INFO] checking unmp-link-serial-0.3.2 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354 [INFO] extracting crate unmp-link-serial 0.3.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate unmp-link-serial 0.3.2 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unmp-link-serial 0.3.2 [INFO] finished tweaking crates.io crate unmp-link-serial 0.3.2 [INFO] tweaked toml for crates.io crate unmp-link-serial 0.3.2 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fdca27590c09996c69ae95ca34f89f51de201b9b16f68d17a2b81e2c294eef2 [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" "7fdca27590c09996c69ae95ca34f89f51de201b9b16f68d17a2b81e2c294eef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fdca27590c09996c69ae95ca34f89f51de201b9b16f68d17a2b81e2c294eef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fdca27590c09996c69ae95ca34f89f51de201b9b16f68d17a2b81e2c294eef2", kill_on_drop: false }` [INFO] [stdout] 7fdca27590c09996c69ae95ca34f89f51de201b9b16f68d17a2b81e2c294eef2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a74a7bc12edeb583014dfec7313aa1c155f584dd12768d2f3fe9308b85a0adf9 [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" "a74a7bc12edeb583014dfec7313aa1c155f584dd12768d2f3fe9308b85a0adf9", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Checking unmp-link-serial v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0053]: method `send` has an incompatible type for trait [INFO] [stdout] --> src/embedded_serial.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | fn send(&self, buf: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&Client, &[u8]) -> Result<(), ()>` [INFO] [stdout] found fn pointer `fn(&Client, &[u8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `send` has an incompatible type for trait [INFO] [stdout] --> src/embedded_serial.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | fn send(&self, buf: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&Client, &[u8]) -> Result<(), ()>` [INFO] [stdout] found fn pointer `fn(&Client, &[u8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/embedded_serial.rs:37:55 [INFO] [stdout] | [INFO] [stdout] 37 | let link = Link::new(format!("Serial({})", name), driver); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `Box`, found struct `Arc` [INFO] [stdout] | help: store this in the heap by calling `Box::new`: `Box::new(driver)` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box<(dyn Driver + Send + Sync + 'static)>` [INFO] [stdout] found struct `Arc>` [INFO] [stdout] = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `unmp-link-serial` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/embedded_serial.rs:37:55 [INFO] [stdout] | [INFO] [stdout] 37 | let link = Link::new(format!("Serial({})", name), driver); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `Box`, found struct `Arc` [INFO] [stdout] | help: store this in the heap by calling `Box::new`: `Box::new(driver)` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box<(dyn Driver + Send + Sync + 'static)>` [INFO] [stdout] found struct `Arc>` [INFO] [stdout] = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a74a7bc12edeb583014dfec7313aa1c155f584dd12768d2f3fe9308b85a0adf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a74a7bc12edeb583014dfec7313aa1c155f584dd12768d2f3fe9308b85a0adf9", kill_on_drop: false }` [INFO] [stdout] a74a7bc12edeb583014dfec7313aa1c155f584dd12768d2f3fe9308b85a0adf9