[INFO] fetching crate bootkbd 0.2.2... [INFO] checking bootkbd-0.2.2 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723 [INFO] extracting crate bootkbd 0.2.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate bootkbd 0.2.2 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bootkbd 0.2.2 [INFO] finished tweaking crates.io crate bootkbd 0.2.2 [INFO] tweaked toml for crates.io crate bootkbd 0.2.2 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded usb-host v0.1.3 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 305149b5926a4cb0b454b384da41caa37811ab5d2a73a74212fe1ee760fc3174 [INFO] running `Command { std: "docker" "start" "-a" "305149b5926a4cb0b454b384da41caa37811ab5d2a73a74212fe1ee760fc3174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "305149b5926a4cb0b454b384da41caa37811ab5d2a73a74212fe1ee760fc3174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "305149b5926a4cb0b454b384da41caa37811ab5d2a73a74212fe1ee760fc3174", kill_on_drop: false }` [INFO] [stdout] 305149b5926a4cb0b454b384da41caa37811ab5d2a73a74212fe1ee760fc3174 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0eba85bb720e090bd8833dff43f4f35b58687787470cc56a4acd7fa6ed7f9d21 [INFO] running `Command { std: "docker" "start" "-a" "0eba85bb720e090bd8833dff43f4f35b58687787470cc56a4acd7fa6ed7f9d21", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking usb-host v0.1.3 [INFO] [stderr] Checking bootkbd v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:437:19 [INFO] [stdout] | [INFO] [stdout] 437 | Configuration(&'a ConfigurationDescriptor), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 437 - Configuration(&'a ConfigurationDescriptor), [INFO] [stdout] 437 + Configuration(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:440:11 [INFO] [stdout] | [INFO] [stdout] 440 | Other(&'a [u8]), [INFO] [stdout] | ----- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 440 - Other(&'a [u8]), [INFO] [stdout] 440 + Other(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:159:39 [INFO] [stdout] | [INFO] [stdout] 159 | info!("{:?} -> {:?}", LAST_STATE, self.state); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 256]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:219:30 [INFO] [stdout] | [INFO] [stdout] 219 | unsafe { MaybeUninit::<[u8; CONFIG_BUFFER_LEN]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:159:39 [INFO] [stdout] | [INFO] [stdout] 159 | info!("{:?} -> {:?}", LAST_STATE, self.state); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 256]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:219:30 [INFO] [stdout] | [INFO] [stdout] 219 | unsafe { MaybeUninit::<[u8; CONFIG_BUFFER_LEN]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "0eba85bb720e090bd8833dff43f4f35b58687787470cc56a4acd7fa6ed7f9d21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eba85bb720e090bd8833dff43f4f35b58687787470cc56a4acd7fa6ed7f9d21", kill_on_drop: false }` [INFO] [stdout] 0eba85bb720e090bd8833dff43f4f35b58687787470cc56a4acd7fa6ed7f9d21