[INFO] fetching crate authenticator-cli 0.1.0... [INFO] checking authenticator-cli-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate authenticator-cli 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate authenticator-cli 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate authenticator-cli 0.1.0 [INFO] finished tweaking crates.io crate authenticator-cli 0.1.0 [INFO] tweaked toml for crates.io crate authenticator-cli 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate authenticator-cli 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-core v0.1.29 [INFO] [stderr] Downloaded tracing v0.1.36 [INFO] [stderr] Downloaded quote v1.0.18 [INFO] [stderr] Downloaded unicode-ident v1.0.0 [INFO] [stderr] Downloaded indexmap v1.8.2 [INFO] [stderr] Downloaded generic-array v0.14.6 [INFO] [stderr] Downloaded os_str_bytes v6.1.0 [INFO] [stderr] Downloaded clap_lex v0.2.2 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded openssl-sys v0.9.73 [INFO] [stderr] Downloaded brownstone v1.1.0 [INFO] [stderr] Downloaded indent_write v2.2.0 [INFO] [stderr] Downloaded joinery v2.1.0 [INFO] [stderr] Downloaded nom-supreme v0.6.0 [INFO] [stderr] Downloaded openssl v0.10.40 [INFO] [stderr] Downloaded authenticator-ctap2-2021 v0.3.2-dev.1 [INFO] [stderr] Downloaded serde_derive v1.0.137 [INFO] [stderr] Downloaded proc-macro2 v1.0.39 [INFO] [stderr] Downloaded syn v1.0.95 [INFO] [stderr] Downloaded runloop v0.1.0 [INFO] [stderr] Downloaded devd-rs v0.3.3 [INFO] [stderr] Downloaded cpufeatures v0.2.4 [INFO] [stderr] Downloaded clap_derive v3.2.5 [INFO] [stderr] Downloaded clap v3.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c7ab1efcf00437db930c59e34143b7eb9383986a153cfb6241626781ab48a06 [INFO] running `Command { std: "docker" "start" "-a" "4c7ab1efcf00437db930c59e34143b7eb9383986a153cfb6241626781ab48a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c7ab1efcf00437db930c59e34143b7eb9383986a153cfb6241626781ab48a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c7ab1efcf00437db930c59e34143b7eb9383986a153cfb6241626781ab48a06", kill_on_drop: false }` [INFO] [stdout] 4c7ab1efcf00437db930c59e34143b7eb9383986a153cfb6241626781ab48a06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fa9910568cbf8e577239e4c59a9613a1f1ed2feca0c6e6de871d86b26406e02 [INFO] running `Command { std: "docker" "start" "-a" "0fa9910568cbf8e577239e4c59a9613a1f1ed2feca0c6e6de871d86b26406e02", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling openssl v0.10.40 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking cpufeatures v0.2.4 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling authenticator-ctap2-2021 v0.3.2-dev.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking runloop v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking clap_lex v0.2.2 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling openssl-sys v0.9.73 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking sha2 v0.10.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling clap_derive v3.2.5 [INFO] [stderr] Checking tracing v0.1.36 [INFO] [stderr] Checking tracing-subscriber v0.3.15 [INFO] [stderr] Checking clap v3.2.5 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde_bytes v0.11.6 [INFO] [stderr] Checking authenticator-cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Args` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{Args, Subcommand}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AuthenticatorInfo` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | AuthenticatorInfo, InfoResult, StatusUpdate, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Args` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{Args, Subcommand}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AuthenticatorInfo` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | AuthenticatorInfo, InfoResult, StatusUpdate, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dev_info` [INFO] [stdout] --> src/main.rs:32:48 [INFO] [stdout] | [INFO] [stdout] 32 | Ok(StatusUpdate::DeviceAvailable { dev_info }) => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `dev_info: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dev_info` [INFO] [stdout] --> src/main.rs:32:48 [INFO] [stdout] | [INFO] [stdout] 32 | Ok(StatusUpdate::DeviceAvailable { dev_info }) => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `dev_info: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tracing_log::LogTracer::init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = tracing_log::LogTracer::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tracing_log::LogTracer::init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = tracing_log::LogTracer::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.86s [INFO] running `Command { std: "docker" "inspect" "0fa9910568cbf8e577239e4c59a9613a1f1ed2feca0c6e6de871d86b26406e02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fa9910568cbf8e577239e4c59a9613a1f1ed2feca0c6e6de871d86b26406e02", kill_on_drop: false }` [INFO] [stdout] 0fa9910568cbf8e577239e4c59a9613a1f1ed2feca0c6e6de871d86b26406e02 [INFO] checking authenticator-cli-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate authenticator-cli 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate authenticator-cli 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate authenticator-cli 0.1.0 [INFO] finished tweaking crates.io crate authenticator-cli 0.1.0 [INFO] tweaked toml for crates.io crate authenticator-cli 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate authenticator-cli 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 692a56aba297650eb3115b6481a073272259deb2610608e870bb4312873cd327 [INFO] running `Command { std: "docker" "start" "-a" "692a56aba297650eb3115b6481a073272259deb2610608e870bb4312873cd327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "692a56aba297650eb3115b6481a073272259deb2610608e870bb4312873cd327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "692a56aba297650eb3115b6481a073272259deb2610608e870bb4312873cd327", kill_on_drop: false }` [INFO] [stdout] 692a56aba297650eb3115b6481a073272259deb2610608e870bb4312873cd327 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea9b91af7a156078c63cdf83bb3089699fad52b360a712e542e619738bf342f1 [INFO] running `Command { std: "docker" "start" "-a" "ea9b91af7a156078c63cdf83bb3089699fad52b360a712e542e619738bf342f1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.40 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking cpufeatures v0.2.4 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling authenticator-ctap2-2021 v0.3.2-dev.1 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking clap_lex v0.2.2 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking runloop v0.1.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling openssl-sys v0.9.73 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking sha2 v0.10.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | / match self.enumerator.context.device_from_syspath(syspath) { [INFO] [stdout] 160 | | Ok(d) => return Some(d), [INFO] [stdout] 161 | | Err(_) => continue [INFO] [stdout] 162 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ea9b91af7a156078c63cdf83bb3089699fad52b360a712e542e619738bf342f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea9b91af7a156078c63cdf83bb3089699fad52b360a712e542e619738bf342f1", kill_on_drop: false }` [INFO] [stdout] ea9b91af7a156078c63cdf83bb3089699fad52b360a712e542e619738bf342f1