[INFO] cloning repository https://github.com/boubaca/dk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boubaca/dk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboubaca%2Fdk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboubaca%2Fdk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 260f2a58021af210001fe2d852627e15b0024d76
[INFO] checking boubaca/dk 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%2Fboubaca%2Fdk" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/boubaca/dk
[INFO] finished tweaking git repo https://github.com/boubaca/dk
[INFO] tweaked toml for git repo https://github.com/boubaca/dk written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/boubaca/dk 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/boubaca/dk 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]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561c6fc796a5cfdb4a74f0943ebfbbb596d013ee36b1cfde549e19bec7c14e23
[INFO] running `Command { std: "docker" "start" "-a" "561c6fc796a5cfdb4a74f0943ebfbbb596d013ee36b1cfde549e19bec7c14e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561c6fc796a5cfdb4a74f0943ebfbbb596d013ee36b1cfde549e19bec7c14e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561c6fc796a5cfdb4a74f0943ebfbbb596d013ee36b1cfde549e19bec7c14e23", kill_on_drop: false }`
[INFO] [stdout] 561c6fc796a5cfdb4a74f0943ebfbbb596d013ee36b1cfde549e19bec7c14e23
[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 -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] 4fb3e322c9360944e4d18ee983d7f2eaed5c7266f2ca97619929ef9a856aae3a
[INFO] running `Command { std: "docker" "start" "-a" "4fb3e322c9360944e4d18ee983d7f2eaed5c7266f2ca97619929ef9a856aae3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling defmt v1.0.1 (https://github.com/knurling-rs/defmt/?rev=177c219#177c2195)
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling defmt-macros v1.0.1 (https://github.com/knurling-rs/defmt/?rev=177c219#177c2195)
[INFO] [stderr]    Compiling nrf52840-pac v0.12.2
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling defmt-rtt v1.0.0 (https://github.com/knurling-rs/defmt/?rev=177c219#177c2195)
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling nrf52840-hal v0.18.0
[INFO] [stderr]    Compiling dk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking grounded v0.2.0
[INFO] [stderr]    Compiling defmt-parser v1.0.0 (https://github.com/knurling-rs/defmt/?rev=177c219#177c2195)
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr] error: could not compile `dk` (lib) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.inner.is_low().unwrap_or_else(|_| false)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[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:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         self.inner.is_set_high() == Ok(true)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 |         self.inner.is_set_high() == Ok(true)
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.inner.is_low().unwrap_or_else(|_| false)
[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/lib.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         self.inner.is_set_high() == Ok(true)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 |         self.inner.is_set_high() == Ok(true)
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dk` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4fb3e322c9360944e4d18ee983d7f2eaed5c7266f2ca97619929ef9a856aae3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb3e322c9360944e4d18ee983d7f2eaed5c7266f2ca97619929ef9a856aae3a", kill_on_drop: false }`
[INFO] [stdout] 4fb3e322c9360944e4d18ee983d7f2eaed5c7266f2ca97619929ef9a856aae3a