[INFO] fetching crate ws2812-nop-nrf51 0.1.0... [INFO] checking ws2812-nop-nrf51-0.1.0 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764 [INFO] extracting crate ws2812-nop-nrf51 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate ws2812-nop-nrf51 0.1.0 on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate ws2812-nop-nrf51 0.1.0 [INFO] finished tweaking crates.io crate ws2812-nop-nrf51 0.1.0 [INFO] tweaked toml for crates.io crate ws2812-nop-nrf51 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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 37 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3068418dccef690245ccc8261e2a4d86b922370188528d85959602ea57d915b9 [INFO] running `Command { std: "docker" "start" "-a" "3068418dccef690245ccc8261e2a4d86b922370188528d85959602ea57d915b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3068418dccef690245ccc8261e2a4d86b922370188528d85959602ea57d915b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3068418dccef690245ccc8261e2a4d86b922370188528d85959602ea57d915b9", kill_on_drop: false }` [INFO] [stdout] 3068418dccef690245ccc8261e2a4d86b922370188528d85959602ea57d915b9 [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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c28457804b3e7f9b3d4c5202f3e644a756bbab44b10075fe3d1306c70c21f32 [INFO] running `Command { std: "docker" "start" "-a" "5c28457804b3e7f9b3d4c5202f3e644a756bbab44b10075fe3d1306c70c21f32", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling cortex-m-rt v0.7.5 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking bytemuck v1.21.0 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling fixed v1.28.0 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling nrf51-pac v0.12.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Compiling nrf-hal-common v0.18.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking embedded-dma v0.2.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking embedded-storage v0.3.1 [INFO] [stderr] Compiling nrf51-hal v0.18.0 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rgb v0.8.50 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking smart-leds-trait v0.3.1 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.5 [INFO] [stderr] Checking ws2812-nop-nrf51 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | inout(reg) rgb_led_pin => _, [INFO] [stdout] | ----------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] = note: `#[warn(asm_sub_register)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | inout(reg) gpio_base => _, [INFO] [stdout] | --------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:32 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | inout(reg) outset_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{2:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:77:32 [INFO] [stdout] | [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | inout(reg) outclr_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{3:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{3:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | inout(reg) rgb_led_pin => _, [INFO] [stdout] | ----------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:27 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | inout(reg) gpio_base => _, [INFO] [stdout] | --------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:32 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | inout(reg) outset_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{2:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:97:32 [INFO] [stdout] | [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | inout(reg) outclr_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{3:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{3:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:125:15 [INFO] [stdout] | [INFO] [stdout] 125 | "subs {0}, {0}, #1", [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | inout(reg) delay_us => _ [INFO] [stdout] | -------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | inout(reg) rgb_led_pin => _, [INFO] [stdout] | ----------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] = note: `#[warn(asm_sub_register)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | inout(reg) gpio_base => _, [INFO] [stdout] | --------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:66:32 [INFO] [stdout] | [INFO] [stdout] 66 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | inout(reg) outset_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{2:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:77:32 [INFO] [stdout] | [INFO] [stdout] 77 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | inout(reg) outclr_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{3:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{3:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | inout(reg) rgb_led_pin => _, [INFO] [stdout] | ----------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:27 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | inout(reg) gpio_base => _, [INFO] [stdout] | --------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:92:32 [INFO] [stdout] | [INFO] [stdout] 92 | "str {0},[{1}, {2}]", // OUTSET [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | inout(reg) outset_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{2:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:97:32 [INFO] [stdout] | [INFO] [stdout] 97 | "str {0},[{1}, {3}]", // OUTCLR [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | inout(reg) outclr_offset => _, [INFO] [stdout] | ------------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{3:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{3:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: formatting may not be suitable for sub-register argument [INFO] [stdout] --> src/lib.rs:125:15 [INFO] [stdout] | [INFO] [stdout] 125 | "subs {0}, {0}, #1", [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | inout(reg) delay_us => _ [INFO] [stdout] | -------- for this argument [INFO] [stdout] | [INFO] [stdout] = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values) [INFO] [stdout] = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.51s [INFO] running `Command { std: "docker" "inspect" "5c28457804b3e7f9b3d4c5202f3e644a756bbab44b10075fe3d1306c70c21f32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c28457804b3e7f9b3d4c5202f3e644a756bbab44b10075fe3d1306c70c21f32", kill_on_drop: false }` [INFO] [stdout] 5c28457804b3e7f9b3d4c5202f3e644a756bbab44b10075fe3d1306c70c21f32