[INFO] fetching crate max32660-hal 0.2.0...
[INFO] checking max32660-hal-0.2.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate max32660-hal 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate max32660-hal 0.2.0
[INFO] finished tweaking crates.io crate max32660-hal 0.2.0
[INFO] tweaked toml for crates.io crate max32660-hal 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate max32660-hal 0.2.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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 32 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177a59589e677a00616b403da293d7cf0cf0412170102910250f1ff8392d2594
[INFO] running `Command { std: "docker" "start" "-a" "177a59589e677a00616b403da293d7cf0cf0412170102910250f1ff8392d2594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177a59589e677a00616b403da293d7cf0cf0412170102910250f1ff8392d2594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177a59589e677a00616b403da293d7cf0cf0412170102910250f1ff8392d2594", kill_on_drop: false }`
[INFO] [stdout] 177a59589e677a00616b403da293d7cf0cf0412170102910250f1ff8392d2594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8d46ef3f4469dd26acaf4f8dd091906d4ea07a2f49fdce05eb9f837ab8d90f
[INFO] running `Command { std: "docker" "start" "-a" "bf8d46ef3f4469dd26acaf4f8dd091906d4ea07a2f49fdce05eb9f837ab8d90f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling max32660-pac v0.1.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]     Checking max32660-hal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cortex_m::asm::nop`
[INFO] [stdout]  --> src/spi.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m::asm::nop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin`
[INFO] [stdout]  --> src/spi.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::digital::v2::OutputPin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clocks::PCLK_FREQ`
[INFO] [stdout]  --> src/i2c.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::clocks::PCLK_FREQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cortex_m::asm::nop`
[INFO] [stdout]  --> src/i2c.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m::asm::nop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin`
[INFO] [stdout]  --> src/i2c.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::digital::v2::OutputPin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::blocking::i2c`
[INFO] [stdout]  --> src/i2c.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_hal::blocking::i2c;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max32660_pac::i2c0::ctrl::SCL_PP_MODE_A`
[INFO] [stdout]   --> src/i2c.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use max32660_pac::i2c0::ctrl::SCL_PP_MODE_A;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nb`
[INFO] [stdout]   --> src/i2c.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nb;
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `void::Void`
[INFO] [stdout]   --> src/i2c.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use void::Void;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cortex_m::asm::nop`
[INFO] [stdout]  --> src/spi.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m::asm::nop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin`
[INFO] [stdout]  --> src/spi.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::digital::v2::OutputPin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clocks::PCLK_FREQ`
[INFO] [stdout]  --> src/i2c.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::clocks::PCLK_FREQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cortex_m::asm::nop`
[INFO] [stdout]  --> src/i2c.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m::asm::nop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin`
[INFO] [stdout]  --> src/i2c.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::digital::v2::OutputPin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::blocking::i2c`
[INFO] [stdout]  --> src/i2c.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_hal::blocking::i2c;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max32660_pac::i2c0::ctrl::SCL_PP_MODE_A`
[INFO] [stdout]   --> src/i2c.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use max32660_pac::i2c0::ctrl::SCL_PP_MODE_A;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nb`
[INFO] [stdout]   --> src/i2c.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nb;
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `void::Void`
[INFO] [stdout]   --> src/i2c.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use void::Void;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nano` is never read
[INFO] [stdout]   --> src/clocks.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Clocks<'a>{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 43 |     x32k: X32k,
[INFO] [stdout] 44 |     nano: NanoRing,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sclk`, `miso`, and `mosi` are never read
[INFO] [stdout]   --> src/spi.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Pins<
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     sclk: Pin<AF, Output<PushPull>, SCLK_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     miso: Pin<AF, Input<Floating>, MISO_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     mosi: Pin<AF, Output<PushPull>, MOSI_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TX_FIFO_LEVEL` is never used
[INFO] [stdout]   --> src/i2c.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const TX_FIFO_LEVEL: u8 = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scl` and `sda` are never read
[INFO] [stdout]   --> src/i2c.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Pins<
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     scl: Pin<AF, Input<Floating>, SCL_IDX>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     sda: Pin<AF, Input<Floating>, SDA_IDX>
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pins` is never read
[INFO] [stdout]   --> src/i2c.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct I2CPort<
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pins: Pins<AF, SCL_IDX, SDA_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nano` is never read
[INFO] [stdout]   --> src/clocks.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Clocks<'a>{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 43 |     x32k: X32k,
[INFO] [stdout] 44 |     nano: NanoRing,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sclk`, `miso`, and `mosi` are never read
[INFO] [stdout]   --> src/spi.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Pins<
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     sclk: Pin<AF, Output<PushPull>, SCLK_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     miso: Pin<AF, Input<Floating>, MISO_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     mosi: Pin<AF, Output<PushPull>, MOSI_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TX_FIFO_LEVEL` is never used
[INFO] [stdout]   --> src/i2c.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const TX_FIFO_LEVEL: u8 = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scl` and `sda` are never read
[INFO] [stdout]   --> src/i2c.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Pins<
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     scl: Pin<AF, Input<Floating>, SCL_IDX>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     sda: Pin<AF, Input<Floating>, SDA_IDX>
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pins` is never read
[INFO] [stdout]   --> src/i2c.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct I2CPort<
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pins: Pins<AF, SCL_IDX, SDA_IDX>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "bf8d46ef3f4469dd26acaf4f8dd091906d4ea07a2f49fdce05eb9f837ab8d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8d46ef3f4469dd26acaf4f8dd091906d4ea07a2f49fdce05eb9f837ab8d90f", kill_on_drop: false }`
[INFO] [stdout] bf8d46ef3f4469dd26acaf4f8dd091906d4ea07a2f49fdce05eb9f837ab8d90f