[INFO] cloning repository https://github.com/amcelroy/ra4m2-hal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amcelroy/ra4m2-hal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famcelroy%2Fra4m2-hal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famcelroy%2Fra4m2-hal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45ad122537735a089d632bed1db1faaf758a3cc7
[INFO] checking amcelroy/ra4m2-hal against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famcelroy%2Fra4m2-hal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/amcelroy/ra4m2-hal
[INFO] finished tweaking git repo https://github.com/amcelroy/ra4m2-hal
[INFO] tweaked toml for git repo https://github.com/amcelroy/ra4m2-hal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/amcelroy/ra4m2-hal 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 git repo https://github.com/amcelroy/ra4m2-hal 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] [stderr]     Updating git repository `https://github.com/embassy-rs/embassy.git`
[INFO] [stderr]      Locking 2 packages to latest Rust 1.93.0-nightly compatible versions
[INFO] [stderr]       Adding embassy-time v0.4.0 (https://github.com/embassy-rs/embassy.git?rev=0e82b7d#0e82b7db)
[INFO] [stderr]       Adding embassy-time-driver v0.2.0 (https://github.com/embassy-rs/embassy.git?rev=0e82b7d#0e82b7db)
[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] 8fd0c6471a4db190233833f2b451bc9be88215f566c13b76129283cf75db1b30
[INFO] running `Command { std: "docker" "start" "-a" "8fd0c6471a4db190233833f2b451bc9be88215f566c13b76129283cf75db1b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fd0c6471a4db190233833f2b451bc9be88215f566c13b76129283cf75db1b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd0c6471a4db190233833f2b451bc9be88215f566c13b76129283cf75db1b30", kill_on_drop: false }`
[INFO] [stdout] 8fd0c6471a4db190233833f2b451bc9be88215f566c13b76129283cf75db1b30
[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] b0030c13e8c079e3c8d36ec384e03b3cc092491e8928729fd52bff55b1b0295f
[INFO] running `Command { std: "docker" "start" "-a" "b0030c13e8c079e3c8d36ec384e03b3cc092491e8928729fd52bff55b1b0295f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0 (https://github.com/embassy-rs/embassy.git?rev=0e82b7d#0e82b7db)
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling ra4m2-pac v0.1.0 (https://github.com/amcelroy/ra-pac#33f0fb5c)
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling ra4m2-hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embassy-time v0.4.0 (https://github.com/embassy-rs/embassy.git?rev=0e82b7d#0e82b7db)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stdout] warning: unused imports: `Instant` and `rate::Fraction`
[INFO] [stdout]  --> src/time_driver.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use embedded_time::{rate::Fraction, Instant};
[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 imports: `Instant` and `rate::Fraction`
[INFO] [stdout]  --> src/time_driver.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use embedded_time::{rate::Fraction, Instant};
[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: `at`
[INFO] [stdout]   --> src/time_driver.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn schedule_wake(&self, at: u64, waker: &core::task::Waker) {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_at`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker`
[INFO] [stdout]   --> src/time_driver.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn schedule_wake(&self, at: u64, waker: &core::task::Waker) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:239:60
[INFO] [stdout]     |
[INFO] [stdout] 239 |           fn is_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 240 | |             Ok(crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 241 | |         }
[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:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |             Ok(crate::pfsel::port4::get_pin_value(N))
[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:243:59
[INFO] [stdout]     |
[INFO] [stdout] 243 |           fn is_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 244 | |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 245 | |         }
[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:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             Ok(!crate::pfsel::port4::get_pin_value(N))
[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:253:60
[INFO] [stdout]     |
[INFO] [stdout] 253 |           fn is_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 254 | |             Ok(crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 255 | |         }
[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:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             Ok(crate::pfsel::port4::get_pin_value(N))
[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:257:59
[INFO] [stdout]     |
[INFO] [stdout] 257 |           fn is_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 258 | |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 259 | |         }
[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:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra4m2-hal` (lib) due to 8 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `at`
[INFO] [stdout]   --> src/time_driver.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn schedule_wake(&self, at: u64, waker: &core::task::Waker) {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_at`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker`
[INFO] [stdout]   --> src/time_driver.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn schedule_wake(&self, at: u64, waker: &core::task::Waker) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/gpio.rs:239:60
[INFO] [stdout]     |
[INFO] [stdout] 239 |           fn is_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 240 | |             Ok(crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 241 | |         }
[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:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |             Ok(crate::pfsel::port4::get_pin_value(N))
[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:243:59
[INFO] [stdout]     |
[INFO] [stdout] 243 |           fn is_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 244 | |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 245 | |         }
[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:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             Ok(!crate::pfsel::port4::get_pin_value(N))
[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:253:60
[INFO] [stdout]     |
[INFO] [stdout] 253 |           fn is_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 254 | |             Ok(crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 255 | |         }
[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:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             Ok(crate::pfsel::port4::get_pin_value(N))
[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:257:59
[INFO] [stdout]     |
[INFO] [stdout] 257 |           fn is_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 258 | |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout] 259 | |         }
[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:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             Ok(!crate::pfsel::port4::get_pin_value(N))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra4m2-hal` (lib test) due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b0030c13e8c079e3c8d36ec384e03b3cc092491e8928729fd52bff55b1b0295f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0030c13e8c079e3c8d36ec384e03b3cc092491e8928729fd52bff55b1b0295f", kill_on_drop: false }`
[INFO] [stdout] b0030c13e8c079e3c8d36ec384e03b3cc092491e8928729fd52bff55b1b0295f
