[INFO] fetching crate rv32m1_ri5cy-hal 0.0.1...
[INFO] checking rv32m1_ri5cy-hal-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rv32m1_ri5cy-hal 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate rv32m1_ri5cy-hal 0.0.1
[INFO] finished tweaking crates.io crate rv32m1_ri5cy-hal 0.0.1
[INFO] tweaked toml for crates.io crate rv32m1_ri5cy-hal 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rv32m1_ri5cy-hal 0.0.1 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 12 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding riscv v0.5.4 (available: v0.5.6)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f741c8c654e6626b6997ae4b6eb3214de64c55fbe265aabdcbbd2f710163f2b
[INFO] running `Command { std: "docker" "start" "-a" "4f741c8c654e6626b6997ae4b6eb3214de64c55fbe265aabdcbbd2f710163f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f741c8c654e6626b6997ae4b6eb3214de64c55fbe265aabdcbbd2f710163f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f741c8c654e6626b6997ae4b6eb3214de64c55fbe265aabdcbbd2f710163f2b", kill_on_drop: false }`
[INFO] [stdout] 4f741c8c654e6626b6997ae4b6eb3214de64c55fbe265aabdcbbd2f710163f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c0109da1d9070e868bc37162a56d77dd6509b1a9082128f67f92fc6b67be9242
[INFO] running `Command { std: "docker" "start" "-a" "c0109da1d9070e868bc37162a56d77dd6509b1a9082128f67f92fc6b67be9242", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking rv32m1_ri5cy-pac v0.1.1
[INFO] [stderr]     Checking rv32m1_ri5cy-hal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::any::Any`
[INFO] [stdout]   --> src/gpio.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use core::any::Any;
[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: `rv32m1_ri5cy_pac::flexio0::PIN`
[INFO] [stdout]   --> src/gpio.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use rv32m1_ri5cy_pac::flexio0::PIN;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::any::Any`
[INFO] [stdout]   --> src/gpio.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use core::any::Any;
[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: `rv32m1_ri5cy_pac::flexio0::PIN`
[INFO] [stdout]   --> src/gpio.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use rv32m1_ri5cy_pac::flexio0::PIN;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_dir_input` is never used
[INFO] [stdout]   --> src/gpio.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait PeripheralAccess {
[INFO] [stdout]    |       ---------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn set_dir_input(index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/gpio.rs:97:59
[INFO] [stdout]    |
[INFO] [stdout] 97 |           fn is_set_high(&self) -> Result<bool, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 98 | |             Ok(pac::GPIOA::value(PIN_INDEX))
[INFO] [stdout] 99 | |         }
[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<bool, Infallible>
[INFO] [stdout]   --> src/gpio.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(pac::GPIOA::value(PIN_INDEX))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 |           fn is_set_low(&self) -> Result<bool, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 102 | |             Ok(!self.is_set_high()?)
[INFO] [stdout] 103 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, bool>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_dir_input` is never used
[INFO] [stdout]   --> src/gpio.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait PeripheralAccess {
[INFO] [stdout]    |       ---------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn set_dir_input(index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rv32m1_ri5cy-hal` (lib test) due to 7 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/gpio.rs:97:59
[INFO] [stdout]    |
[INFO] [stdout] 97 |           fn is_set_high(&self) -> Result<bool, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 98 | |             Ok(pac::GPIOA::value(PIN_INDEX))
[INFO] [stdout] 99 | |         }
[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<bool, Infallible>
[INFO] [stdout]   --> src/gpio.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(pac::GPIOA::value(PIN_INDEX))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 |           fn is_set_low(&self) -> Result<bool, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 102 | |             Ok(!self.is_set_high()?)
[INFO] [stdout] 103 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, bool>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Ok(!self.is_set_high()?)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rv32m1_ri5cy-hal` (lib) due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c0109da1d9070e868bc37162a56d77dd6509b1a9082128f67f92fc6b67be9242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0109da1d9070e868bc37162a56d77dd6509b1a9082128f67f92fc6b67be9242", kill_on_drop: false }`
[INFO] [stdout] c0109da1d9070e868bc37162a56d77dd6509b1a9082128f67f92fc6b67be9242
