[INFO] fetching crate embassy-net-enc28j60 0.1.0... [INFO] checking embassy-net-enc28j60-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate embassy-net-enc28j60 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate embassy-net-enc28j60 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate embassy-net-enc28j60 0.1.0 [INFO] finished tweaking crates.io crate embassy-net-enc28j60 0.1.0 [INFO] tweaked toml for crates.io crate embassy-net-enc28j60 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (available: v1.1.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffa33573a3078540f8e9a1f9520499a6db578c51bf3aec3d3e7640399b8f71f9 [INFO] running `Command { std: "docker" "start" "-a" "ffa33573a3078540f8e9a1f9520499a6db578c51bf3aec3d3e7640399b8f71f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffa33573a3078540f8e9a1f9520499a6db578c51bf3aec3d3e7640399b8f71f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffa33573a3078540f8e9a1f9520499a6db578c51bf3aec3d3e7640399b8f71f9", kill_on_drop: false }` [INFO] [stdout] ffa33573a3078540f8e9a1f9520499a6db578c51bf3aec3d3e7640399b8f71f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9dad8c0636d6a2461f73b79cd5c9cd2d49a0924e82842caea1cf360e6af35ef [INFO] running `Command { std: "docker" "start" "-a" "a9dad8c0636d6a2461f73b79cd5c9cd2d49a0924e82842caea1cf360e6af35ef", kill_on_drop: false }` [INFO] [stderr] Compiling embassy-time-driver v0.1.0 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling embassy-time-queue-driver v0.1.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking critical-section v1.1.3 [INFO] [stderr] Checking embassy-futures v0.1.1 [INFO] [stderr] Checking embassy-net-driver v0.2.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Checking embassy-time v0.3.2 [INFO] [stderr] Checking embassy-net-enc28j60 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:648:31 [INFO] [stdout] | [INFO] [stdout] 648 | let rx_buf = unsafe { &mut RX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 648 | let rx_buf = unsafe { addr_of_mut!(RX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:649:31 [INFO] [stdout] | [INFO] [stdout] 649 | let tx_buf = unsafe { &mut TX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 649 | let tx_buf = unsafe { addr_of_mut!(TX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:659:31 [INFO] [stdout] | [INFO] [stdout] 659 | let tx_buf = unsafe { &mut TX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 659 | let tx_buf = unsafe { addr_of_mut!(TX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:648:31 [INFO] [stdout] | [INFO] [stdout] 648 | let rx_buf = unsafe { &mut RX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 648 | let rx_buf = unsafe { addr_of_mut!(RX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:649:31 [INFO] [stdout] | [INFO] [stdout] 649 | let tx_buf = unsafe { &mut TX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 649 | let tx_buf = unsafe { addr_of_mut!(TX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:659:31 [INFO] [stdout] | [INFO] [stdout] 659 | let tx_buf = unsafe { &mut TX_BUF }; [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 659 | let tx_buf = unsafe { addr_of_mut!(TX_BUF) }; [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_result` is never used [INFO] [stdout] --> src/fmt.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 206 | pub trait Try { [INFO] [stdout] | --- method in this trait [INFO] [stdout] ... [INFO] [stdout] 209 | fn into_result(self) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_result` is never used [INFO] [stdout] --> src/fmt.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 206 | pub trait Try { [INFO] [stdout] | --- method in this trait [INFO] [stdout] ... [INFO] [stdout] 209 | fn into_result(self) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "a9dad8c0636d6a2461f73b79cd5c9cd2d49a0924e82842caea1cf360e6af35ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9dad8c0636d6a2461f73b79cd5c9cd2d49a0924e82842caea1cf360e6af35ef", kill_on_drop: false }` [INFO] [stdout] a9dad8c0636d6a2461f73b79cd5c9cd2d49a0924e82842caea1cf360e6af35ef