[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] testing Tylerflick/bme680-webthing against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerflick%2Fbme680-webthing" "/workspace/builds/worker-43/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tylerflick/bme680-webthing on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-43/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded v_escape v0.7.2 [INFO] [stderr] Downloaded unicase v2.3.0 [INFO] [stderr] Downloaded libc v0.2.53 [INFO] [stderr] Downloaded string v0.1.3 [INFO] [stderr] Downloaded h2 v0.1.18 [INFO] [stderr] Downloaded tower-service v0.1.0 [INFO] [stderr] Downloaded signal-hook v0.1.9 [INFO] [stderr] Downloaded signal-hook-registry v1.0.1 [INFO] [stderr] Downloaded trust-dns-proto v0.5.0 [INFO] [stderr] Downloaded openssl-sys v0.9.43 [INFO] [stderr] Downloaded tokio-executor v0.1.7 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded actix_derive v0.3.2 [INFO] [stderr] Downloaded tokio-threadpool v0.1.14 [INFO] [stderr] Downloaded v_htmlescape v0.4.3 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.3 [INFO] [stderr] Downloaded embedded-hal v0.2.2 [INFO] [stderr] Downloaded actix-web v0.7.19 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded bme680 v0.4.3 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded tokio-sync v0.1.5 [INFO] [stderr] Downloaded v_escape_derive v0.5.3 [INFO] [stderr] Downloaded socket2 v0.2.4 [INFO] [stderr] Downloaded tokio-trace-core v0.1.0 [INFO] [stderr] Downloaded tokio v0.1.19 [INFO] [stderr] Downloaded libmdns v0.2.3 [INFO] [stderr] Downloaded tokio-timer v0.2.10 [INFO] [stderr] Downloaded tokio-core v0.1.17 [INFO] [stderr] Downloaded webthing v0.11.0 [INFO] [stderr] Downloaded jsonway v2.0.0 [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] [stderr] Downloaded i2cdev v0.4.1 [INFO] [stderr] Downloaded openssl v0.10.20 [INFO] [stderr] Downloaded valico v2.4.2 [INFO] [stderr] Downloaded valico v3.0.0 [INFO] [stderr] Downloaded actix v0.7.9 [INFO] [stderr] Downloaded actix-net v0.2.6 [INFO] [stderr] Downloaded miniz_oxide v0.2.1 [INFO] [stderr] Downloaded flate2 v1.0.7 [INFO] [stderr] Downloaded http v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6a95d098f1993a26d0d3a7f5d851a4f3ca036839c2d1eeea0b28e3fb19d1e61 [INFO] running `Command { std: "docker" "start" "-a" "b6a95d098f1993a26d0d3a7f5d851a4f3ca036839c2d1eeea0b28e3fb19d1e61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6a95d098f1993a26d0d3a7f5d851a4f3ca036839c2d1eeea0b28e3fb19d1e61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6a95d098f1993a26d0d3a7f5d851a4f3ca036839c2d1eeea0b28e3fb19d1e61", kill_on_drop: false }` [INFO] [stdout] b6a95d098f1993a26d0d3a7f5d851a4f3ca036839c2d1eeea0b28e3fb19d1e61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7f06353f33e1d382791185c2f4a8534f181622f3bc88c69fb3a7245a9c18272 [INFO] running `Command { std: "docker" "start" "-a" "b7f06353f33e1d382791185c2f4a8534f181622f3bc88c69fb3a7245a9c18272", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling futures v0.1.26 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling arc-swap v0.3.11 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling string v0.1.3 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling c_linked_list v1.1.1 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling embedded-hal v0.2.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling v_escape v0.7.2 [INFO] [stderr] Compiling unicase v2.3.0 [INFO] [stderr] Compiling actix-web v0.7.19 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling tokio-trace-core v0.1.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling bme680 v0.4.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [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 nix v0.6.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling tokio-sync v0.1.5 [INFO] [stderr] Compiling tower-service v0.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling signal-hook-registry v1.0.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling get_if_addrs v0.5.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling tokio-timer v0.2.10 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling flate2 v1.0.7 [INFO] [stderr] Compiling signal-hook v0.1.9 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling cookie v0.11.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [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] Compiling error-chain v0.12.0 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling tokio v0.1.19 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling h2 v0.1.18 [INFO] [stderr] Compiling i2cdev v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling sysfs_gpio v0.5.3 [INFO] [stderr] Compiling libmdns v0.2.3 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling jsonway v2.0.0 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling v_escape_derive v0.5.3 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling trust-dns-proto v0.6.3 [INFO] [stderr] Compiling trust-dns-proto v0.5.0 [INFO] [stderr] Compiling v_htmlescape v0.4.3 [INFO] [stderr] Compiling trust-dns-resolver v0.10.3 [INFO] [stderr] Compiling actix v0.7.9 [INFO] [stderr] Compiling actix-net v0.2.6 [INFO] [stderr] Compiling webthing v0.11.0 [INFO] [stderr] Compiling 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:52:41 [INFO] [stdout] | [INFO] [stdout] 52 | fn make_temp_sensor() -> Arc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - fn make_temp_sensor() -> Arc>> { [INFO] [stdout] 52 + fn make_temp_sensor() -> Arc>> { [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 - fn make_hum_sensor() -> Arc>> { [INFO] [stdout] 81 + fn make_hum_sensor() -> Arc>> { [INFO] [stdout] | [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] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 - ) -> Option> { [INFO] [stdout] 35 + ) -> Option> { [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] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 - thing: Weak>>, [INFO] [stdout] 32 + thing: Weak>>, [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 112 - let mut things: Vec>>> = Vec::new(); [INFO] [stdout] 112 + let mut things: Vec>>> = Vec::new(); [INFO] [stdout] | [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 `FromResidual`) [INFO] [stdout] --> src/main.rs:128:75 [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 `FromResidual>>` is not implemented for `()` [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 `FromResidual`) [INFO] [stdout] --> src/main.rs:137:46 [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 `FromResidual>>` is not implemented for `()` [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 `FromResidual`) [INFO] [stdout] --> src/main.rs:140:55 [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 `FromResidual>>` is not implemented for `()` [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 `FromResidual`) [INFO] [stdout] --> src/main.rs:141:55 [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 `FromResidual>>` is not implemented for `()` [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: could not compile `bme680-webthing` due to 5 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b7f06353f33e1d382791185c2f4a8534f181622f3bc88c69fb3a7245a9c18272", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7f06353f33e1d382791185c2f4a8534f181622f3bc88c69fb3a7245a9c18272", kill_on_drop: false }` [INFO] [stdout] b7f06353f33e1d382791185c2f4a8534f181622f3bc88c69fb3a7245a9c18272