[INFO] fetching crate bme68x-rust 0.1.3... [INFO] checking bme68x-rust-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate bme68x-rust 0.1.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate bme68x-rust 0.1.3 [INFO] finished tweaking crates.io crate bme68x-rust 0.1.3 [INFO] tweaked toml for crates.io crate bme68x-rust 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bme68x-rust 0.1.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bme68x-rust 0.1.3 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 190f1cc0ef56bd8ecb882242c046c5ff25c839525e86d28cb49978b4ba25e77a [INFO] running `Command { std: "docker" "start" "-a" "190f1cc0ef56bd8ecb882242c046c5ff25c839525e86d28cb49978b4ba25e77a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "190f1cc0ef56bd8ecb882242c046c5ff25c839525e86d28cb49978b4ba25e77a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "190f1cc0ef56bd8ecb882242c046c5ff25c839525e86d28cb49978b4ba25e77a", kill_on_drop: false }` [INFO] [stdout] 190f1cc0ef56bd8ecb882242c046c5ff25c839525e86d28cb49978b4ba25e77a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04704bf913133b6c6099a47f5a967ccf6d803fabc952d9e7c486b83fa0830a17 [INFO] running `Command { std: "docker" "start" "-a" "04704bf913133b6c6099a47f5a967ccf6d803fabc952d9e7c486b83fa0830a17", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling libc v0.2.129 [INFO] [stderr] Checking os_str_bytes v6.2.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking bme68x-rust v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bme68x.rs:462:32 [INFO] [stdout] | [INFO] [stdout] 462 | pub fn get_conf(&mut self, mut conf: &mut DeviceConfig) -> Result<(), Error> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | mut dev: *mut Device, [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | mut data: *mut SensorData, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:484:63 [INFO] [stdout] | [INFO] [stdout] 484 | pub(crate) unsafe fn set_mem_page(reg_addr: u8, mut dev: *mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:522:49 [INFO] [stdout] | [INFO] [stdout] 522 | pub(crate) unsafe fn get_mem_page(mut dev: *mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:791:44 [INFO] [stdout] | [INFO] [stdout] 791 | pub(crate) fn get_calib_data(mut dev: &mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:858:45 [INFO] [stdout] | [INFO] [stdout] 858 | pub(crate) fn read_variant_id(mut dev: &mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.15 [INFO] [stderr] Checking clap v3.2.16 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bme68x.rs:462:32 [INFO] [stdout] | [INFO] [stdout] 462 | pub fn get_conf(&mut self, mut conf: &mut DeviceConfig) -> Result<(), Error> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | mut dev: *mut Device, [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | mut data: *mut SensorData, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:484:63 [INFO] [stdout] | [INFO] [stdout] 484 | pub(crate) unsafe fn set_mem_page(reg_addr: u8, mut dev: *mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:522:49 [INFO] [stdout] | [INFO] [stdout] 522 | pub(crate) unsafe fn get_mem_page(mut dev: *mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:791:44 [INFO] [stdout] | [INFO] [stdout] 791 | pub(crate) fn get_calib_data(mut dev: &mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/internal.rs:858:45 [INFO] [stdout] | [INFO] [stdout] 858 | pub(crate) fn read_variant_id(mut dev: &mut Device) -> i8 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/forced_mode.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | spicl: PathBuf, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/forced_mode.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | tty: PathBuf, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/parallel_mode.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | spicl: PathBuf, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/parallel_mode.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | tty: PathBuf, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bme68x-rust` (example "forced_mode") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `bme68x-rust` (example "parallel_mode") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "04704bf913133b6c6099a47f5a967ccf6d803fabc952d9e7c486b83fa0830a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04704bf913133b6c6099a47f5a967ccf6d803fabc952d9e7c486b83fa0830a17", kill_on_drop: false }` [INFO] [stdout] 04704bf913133b6c6099a47f5a967ccf6d803fabc952d9e7c486b83fa0830a17