[INFO] fetching crate qmk-via-api 0.5.0...
[INFO] checking qmk-via-api-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate qmk-via-api 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate qmk-via-api 0.5.0
[INFO] finished tweaking crates.io crate qmk-via-api 0.5.0
[INFO] tweaked toml for crates.io crate qmk-via-api 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qmk-via-api 0.5.0 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 qmk-via-api 0.5.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a5e9160e01664b635aa53b1576c3aca6bcc177ab0d670df244db07e1cf76f1f
[INFO] running `Command { std: "docker" "start" "-a" "2a5e9160e01664b635aa53b1576c3aca6bcc177ab0d670df244db07e1cf76f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5e9160e01664b635aa53b1576c3aca6bcc177ab0d670df244db07e1cf76f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5e9160e01664b635aa53b1576c3aca6bcc177ab0d670df244db07e1cf76f1f", kill_on_drop: false }`
[INFO] [stdout] 2a5e9160e01664b635aa53b1576c3aca6bcc177ab0d670df244db07e1cf76f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4201f19945d5f16241dbe8395c775c7ac1cc21fe30481d3f4b133a90c86abd21
[INFO] running `Command { std: "docker" "start" "-a" "4201f19945d5f16241dbe8395c775c7ac1cc21fe30481d3f4b133a90c86abd21", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hidapi v2.6.3
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]    Compiling toml_edit v0.22.21
[INFO] [stderr]    Compiling pyo3-macros-backend v0.26.0
[INFO] [stderr]    Compiling pyo3-ffi v0.26.0
[INFO] [stderr]    Compiling pyo3 v0.26.0
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]     Checking qmk-via-api v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Vec<KeyboardDeviceInfo>, Infallible>
[INFO] [stdout]   --> src/scan.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn scan_keyboards() -> Vec<KeyboardDeviceInfo> {
[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: std::result::Result<Vec<KeyboardDeviceInfo>, Infallible>
[INFO] [stdout]   --> src/scan.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn scan_keyboards() -> Vec<KeyboardDeviceInfo> {
[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 `qmk-via-api` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `qmk-via-api` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4201f19945d5f16241dbe8395c775c7ac1cc21fe30481d3f4b133a90c86abd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4201f19945d5f16241dbe8395c775c7ac1cc21fe30481d3f4b133a90c86abd21", kill_on_drop: false }`
[INFO] [stdout] 4201f19945d5f16241dbe8395c775c7ac1cc21fe30481d3f4b133a90c86abd21