[INFO] cloning repository https://github.com/Tylerflick/bme680-webthing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tylerflick/bme680-webthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerflick%2Fbme680-webthing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerflick%2Fbme680-webthing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a7b54dfab2be8ad14ab6b1f830ef3a58bfd9834 [INFO] checking Tylerflick/bme680-webthing against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerflick%2Fbme680-webthing" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tylerflick/bme680-webthing on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Tylerflick/bme680-webthing [INFO] finished tweaking git repo https://github.com/Tylerflick/bme680-webthing [INFO] tweaked toml for git repo https://github.com/Tylerflick/bme680-webthing written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Tylerflick/bme680-webthing already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded actix v0.7.9 [INFO] [stderr] Downloaded signal-hook v0.1.9 [INFO] [stderr] Downloaded tokio-core v0.1.17 [INFO] [stderr] Downloaded socket2 v0.2.4 [INFO] [stderr] Downloaded string v0.1.3 [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] [stderr] Downloaded actix-net v0.2.6 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded v_escape v0.7.2 [INFO] [stderr] Downloaded v_escape_derive v0.5.3 [INFO] [stderr] Downloaded tower-service v0.1.0 [INFO] [stderr] Downloaded actix_derive v0.3.2 [INFO] [stderr] Downloaded miniz_oxide v0.2.1 [INFO] [stderr] Downloaded openssl-sys v0.9.43 [INFO] [stderr] Downloaded v_htmlescape v0.4.3 [INFO] [stderr] Downloaded http v0.1.17 [INFO] [stderr] Downloaded embedded-hal v0.2.2 [INFO] [stderr] Downloaded unicase v2.3.0 [INFO] [stderr] Downloaded openssl v0.10.20 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.1 [INFO] [stderr] Downloaded trust-dns-proto v0.5.0 [INFO] [stderr] Downloaded actix-web v0.7.19 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded flate2 v1.0.7 [INFO] [stderr] Downloaded libc v0.2.53 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded i2cdev v0.4.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.3 [INFO] [stderr] Downloaded libmdns v0.2.3 [INFO] [stderr] Downloaded webthing v0.11.0 [INFO] [stderr] Downloaded signal-hook-registry v1.0.1 [INFO] [stderr] Downloaded valico v2.4.2 [INFO] [stderr] Downloaded valico v3.0.0 [INFO] [stderr] Downloaded jsonway v2.0.0 [INFO] [stderr] Downloaded bme680 v0.4.3 [INFO] [stderr] Downloaded h2 v0.1.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 416cc65b064f259dc19e1011ef8e24659ddfc9c60fcb66628368f16a62583f0c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "416cc65b064f259dc19e1011ef8e24659ddfc9c60fcb66628368f16a62583f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "416cc65b064f259dc19e1011ef8e24659ddfc9c60fcb66628368f16a62583f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "416cc65b064f259dc19e1011ef8e24659ddfc9c60fcb66628368f16a62583f0c", kill_on_drop: false }` [INFO] [stdout] 416cc65b064f259dc19e1011ef8e24659ddfc9c60fcb66628368f16a62583f0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebe8f84f57c8dcfbf8d05f0cdcb47cf2eebfc47c7d2b1f5801df842eb51b1d92 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ebe8f84f57c8dcfbf8d05f0cdcb47cf2eebfc47c7d2b1f5801df842eb51b1d92", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] 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[INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking bme680 v0.4.3 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking signal-hook-registry v1.0.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking get_if_addrs v0.5.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking signal-hook v0.1.9 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling valico v2.4.2 [INFO] [stderr] Compiling valico v3.0.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking i2cdev v0.4.1 [INFO] [stderr] Checking h2 v0.1.18 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking multimap v0.4.0 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking libmdns v0.2.3 [INFO] [stderr] Checking sysfs_gpio v0.5.3 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Checking jsonway v2.0.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling v_escape_derive v0.5.3 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling v_htmlescape v0.4.3 [INFO] [stderr] Checking trust-dns-proto v0.6.3 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking trust-dns-resolver v0.10.3 [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] Checking actix-net v0.2.6 [INFO] [stderr] Checking webthing v0.11.0 [INFO] [stderr] Checking bme680-webthing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `embedded_hal::blocking::i2c` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use embedded_hal::blocking::i2c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | thing: Weak>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Thing` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | ) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:52:41 [INFO] [stdout] | [INFO] [stdout] 52 | fn make_temp_sensor() -> Arc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn make_hum_sensor() -> Arc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:112:40 [INFO] [stdout] | [INFO] [stdout] 112 | let mut things: Vec>>> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::blocking::i2c` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use embedded_hal::blocking::i2c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | thing: Weak>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Thing` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | ) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:52:41 [INFO] [stdout] | [INFO] [stdout] 52 | fn make_temp_sensor() -> Arc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn make_hum_sensor() -> Arc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:112:40 [INFO] [stdout] | [INFO] [stdout] 112 | let mut things: Vec>>> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Thing + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:128:27 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 128 | | let mut dev = Bme680::init(i2c, Delay {}, I2CAddress::Primary)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:141:34 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 141 | | let (data, _state) = dev.get_sensor_data()?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 137 | | dev.set_sensor_settings(settings)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 140 | | dev.set_sensor_mode(PowerMode::ForcedMode)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:128:27 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 128 | | let mut dev = Bme680::init(i2c, Delay {}, I2CAddress::Primary)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bme680-webthing` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:141:34 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 141 | | let (data, _state) = dev.get_sensor_data()?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 137 | | dev.set_sensor_settings(settings)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 119 | thread::spawn(move || { [INFO] [stdout] | ___________________- [INFO] [stdout] 120 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 121 | | [INFO] [stdout] 122 | | // Mimic an actual sensor updating its reading every couple seconds. [INFO] [stdout] ... | [INFO] [stdout] 140 | | dev.set_sensor_mode(PowerMode::ForcedMode)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 165 | | } [INFO] [stdout] 166 | | }); [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ebe8f84f57c8dcfbf8d05f0cdcb47cf2eebfc47c7d2b1f5801df842eb51b1d92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebe8f84f57c8dcfbf8d05f0cdcb47cf2eebfc47c7d2b1f5801df842eb51b1d92", kill_on_drop: false }` [INFO] [stdout] ebe8f84f57c8dcfbf8d05f0cdcb47cf2eebfc47c7d2b1f5801df842eb51b1d92