[INFO] fetching crate joybus-pio 0.1.0...
[INFO] checking joybus-pio-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate joybus-pio 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate joybus-pio 0.1.0
[INFO] finished tweaking crates.io crate joybus-pio 0.1.0
[INFO] tweaked toml for crates.io crate joybus-pio 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate joybus-pio 0.1.0 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 crates.io crate joybus-pio 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39f07518cd7f9b1fc0f64796f167318199b8bf2a63700f2a505858f809fb2e11
[INFO] running `Command { std: "docker" "start" "-a" "39f07518cd7f9b1fc0f64796f167318199b8bf2a63700f2a505858f809fb2e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f07518cd7f9b1fc0f64796f167318199b8bf2a63700f2a505858f809fb2e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f07518cd7f9b1fc0f64796f167318199b8bf2a63700f2a505858f809fb2e11", kill_on_drop: false }`
[INFO] [stdout] 39f07518cd7f9b1fc0f64796f167318199b8bf2a63700f2a505858f809fb2e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bab328016ea4839a44a76e6f1174502447f31f8d1129509f115c33ade1c135d8
[INFO] running `Command { std: "docker" "start" "-a" "bab328016ea4839a44a76e6f1174502447f31f8d1129509f115c33ade1c135d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling frunk_core v0.4.3
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking cortex-m v0.7.7
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling frunk_derives v0.4.3
[INFO] [stderr]     Checking frunk v0.4.3
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]     Checking rp2040-hal v0.10.2
[INFO] [stderr]     Checking joybus-pio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:335:15
[INFO] [stdout]     |
[INFO] [stdout] 335 |         while self.pio.data_pin.as_input().is_low().unwrap() {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `joybus-pio` (lib) due to 1 previous error
[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/lib.rs:335:15
[INFO] [stdout]     |
[INFO] [stdout] 335 |         while self.pio.data_pin.as_input().is_low().unwrap() {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `joybus-pio` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bab328016ea4839a44a76e6f1174502447f31f8d1129509f115c33ade1c135d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab328016ea4839a44a76e6f1174502447f31f8d1129509f115c33ade1c135d8", kill_on_drop: false }`
[INFO] [stdout] bab328016ea4839a44a76e6f1174502447f31f8d1129509f115c33ade1c135d8