[INFO] fetching crate ch32v103-hal 0.0.4... [INFO] checking ch32v103-hal-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ch32v103-hal 0.0.4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ch32v103-hal 0.0.4 [INFO] finished tweaking crates.io crate ch32v103-hal 0.0.4 [INFO] tweaked toml for crates.io crate ch32v103-hal 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ch32v103-hal 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding riscv v0.10.1 (available: v0.15.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9964506905cd8e5f4fe5c0b3132672b87fffb34e1a43aaaacd4cb7b40b77e8bc [INFO] running `Command { std: "docker" "start" "-a" "9964506905cd8e5f4fe5c0b3132672b87fffb34e1a43aaaacd4cb7b40b77e8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9964506905cd8e5f4fe5c0b3132672b87fffb34e1a43aaaacd4cb7b40b77e8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9964506905cd8e5f4fe5c0b3132672b87fffb34e1a43aaaacd4cb7b40b77e8bc", kill_on_drop: false }` [INFO] [stdout] 9964506905cd8e5f4fe5c0b3132672b87fffb34e1a43aaaacd4cb7b40b77e8bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7c3bc690606dd5d402f5ba455cf1f7de4c86111d3d2aa455f379022148bb0f61 [INFO] running `Command { std: "docker" "start" "-a" "7c3bc690606dd5d402f5ba455cf1f7de4c86111d3d2aa455f379022148bb0f61", kill_on_drop: false }` [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling riscv v0.10.1 [INFO] [stderr] Checking bit_field v0.10.3 [INFO] [stderr] Compiling ch32v1 v0.1.6 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking ch32v103-hal v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/delay.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::clocks::{self, Clocks}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/delay.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::clocks::{self, Clocks}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/gpio.rs:200:28 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn cfg_lock(&self, value: CfgLock) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/gpio.rs:200:28 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn cfg_lock(&self, value: CfgLock) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:320:52 [INFO] [stdout] | [INFO] [stdout] 320 | fn is_high(&self) -> Result { [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 321 | | Ok(Pin::is_high(&self)) [INFO] [stdout] 322 | | } [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] --> src/gpio.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | Ok(Pin::is_high(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:324:51 [INFO] [stdout] | [INFO] [stdout] 324 | fn is_low(&self) -> Result { [INFO] [stdout] | ___________________________________________________^ [INFO] [stdout] 325 | | Ok(Pin::is_low(&self)) [INFO] [stdout] 326 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | Ok(Pin::is_low(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:357:56 [INFO] [stdout] | [INFO] [stdout] 357 | fn is_set_high(&self) -> Result { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 358 | | Ok(Pin::is_high(&self)) [INFO] [stdout] 359 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:358:9 [INFO] [stdout] | [INFO] [stdout] 358 | Ok(Pin::is_high(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:361:55 [INFO] [stdout] | [INFO] [stdout] 361 | fn is_set_low(&self) -> Result { [INFO] [stdout] | _______________________________________________________^ [INFO] [stdout] 362 | | Ok(Pin::is_low(&self)) [INFO] [stdout] 363 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:362:9 [INFO] [stdout] | [INFO] [stdout] 362 | Ok(Pin::is_low(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:320:52 [INFO] [stdout] | [INFO] [stdout] 320 | fn is_high(&self) -> Result { [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 321 | | Ok(Pin::is_high(&self)) [INFO] [stdout] 322 | | } [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] --> src/gpio.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | Ok(Pin::is_high(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:324:51 [INFO] [stdout] | [INFO] [stdout] 324 | fn is_low(&self) -> Result { [INFO] [stdout] | ___________________________________________________^ [INFO] [stdout] 325 | | Ok(Pin::is_low(&self)) [INFO] [stdout] 326 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | Ok(Pin::is_low(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:357:56 [INFO] [stdout] | [INFO] [stdout] 357 | fn is_set_high(&self) -> Result { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 358 | | Ok(Pin::is_high(&self)) [INFO] [stdout] 359 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:358:9 [INFO] [stdout] | [INFO] [stdout] 358 | Ok(Pin::is_high(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:361:55 [INFO] [stdout] | [INFO] [stdout] 361 | fn is_set_low(&self) -> Result { [INFO] [stdout] | _______________________________________________________^ [INFO] [stdout] 362 | | Ok(Pin::is_low(&self)) [INFO] [stdout] 363 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gpio.rs:362:9 [INFO] [stdout] | [INFO] [stdout] 362 | Ok(Pin::is_low(&self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ch32v103-hal` (lib) due to 8 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ch32v103-hal` (lib test) due to 8 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7c3bc690606dd5d402f5ba455cf1f7de4c86111d3d2aa455f379022148bb0f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c3bc690606dd5d402f5ba455cf1f7de4c86111d3d2aa455f379022148bb0f61", kill_on_drop: false }` [INFO] [stdout] 7c3bc690606dd5d402f5ba455cf1f7de4c86111d3d2aa455f379022148bb0f61