[INFO] fetching crate embedded-nal-coap 0.1.0-alpha.4... [INFO] checking embedded-nal-coap-0.1.0-alpha.4 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249 [INFO] extracting crate embedded-nal-coap 0.1.0-alpha.4 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate embedded-nal-coap 0.1.0-alpha.4 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate embedded-nal-coap 0.1.0-alpha.4 [INFO] finished tweaking crates.io crate embedded-nal-coap 0.1.0-alpha.4 [INFO] tweaked toml for crates.io crate embedded-nal-coap 0.1.0-alpha.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding embassy-sync v0.3.0 (available: v0.6.1) [INFO] [stderr] Adding heapless v0.7.17 (available: v0.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-nal v0.9.0 [INFO] [stderr] Downloaded coap-request v0.2.0-alpha.2 [INFO] [stderr] Downloaded coap-message-implementations v0.1.7 [INFO] [stderr] Downloaded embedded-nal-async v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a472ade3eaf0d85705bbb5514e3636f7da7fc323483b1241924346fb8f86844 [INFO] running `Command { std: "docker" "start" "-a" "0a472ade3eaf0d85705bbb5514e3636f7da7fc323483b1241924346fb8f86844", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a472ade3eaf0d85705bbb5514e3636f7da7fc323483b1241924346fb8f86844", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a472ade3eaf0d85705bbb5514e3636f7da7fc323483b1241924346fb8f86844", kill_on_drop: false }` [INFO] [stdout] 0a472ade3eaf0d85705bbb5514e3636f7da7fc323483b1241924346fb8f86844 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17b81cd350732c15c236636b9fbe2c0d77f564fcc185f8b9b11d8d3c9bb4dfbe [INFO] running `Command { std: "docker" "start" "-a" "17b81cd350732c15c236636b9fbe2c0d77f564fcc185f8b9b11d8d3c9bb4dfbe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling semver v1.0.24 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling minicbor v0.19.1 [INFO] [stderr] Checking coap-numbers v0.2.4 [INFO] [stderr] Compiling embedded-io-async v0.6.1 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling embassy-sync v0.3.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking embedded-nal v0.9.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking embedded-nal-async v0.8.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking embassy-futures v0.1.1 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking coap-message v0.3.6 [INFO] [stderr] Checking coap-message-utils v0.3.8 [INFO] [stderr] Checking coap-request v0.2.0-alpha.2 [INFO] [stderr] Checking coap-handler v0.2.0 [INFO] [stderr] Checking coap-message-implementations v0.1.7 [INFO] [stderr] Checking embedded-nal-coap v0.1.0-alpha.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `details` is never read [INFO] [stdout] --> src/lib.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 152 | ResponsePending { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 153 | details: RequestMatchingDetails, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rand` is never read [INFO] [stdout] --> src/lib.rs:235:5 [INFO] [stdout] | [INFO] [stdout] 224 | struct RunParts<'a, Socket, Handler, RandomSource, const CONCURRENT_REQUESTS: usize> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 235 | rand: &'a mut RandomSource, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/udp_write.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | msg.add_option(coap_numbers::option::URI_PATH.try_into().unwrap(), b"hello"); [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] 142 | let _ = msg.add_option(coap_numbers::option::URI_PATH.try_into().unwrap(), b"hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/udp_write.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | msg.set_payload(b"World"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 156 | let _ = msg.set_payload(b"World"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/udp_write.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | msg.set_payload(b"x"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 180 | let _ = msg.set_payload(b"x"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `details` is never read [INFO] [stdout] --> src/lib.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 152 | ResponsePending { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 153 | details: RequestMatchingDetails, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rand` is never read [INFO] [stdout] --> src/lib.rs:235:5 [INFO] [stdout] | [INFO] [stdout] 224 | struct RunParts<'a, Socket, Handler, RandomSource, const CONCURRENT_REQUESTS: usize> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 235 | rand: &'a mut RandomSource, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s [INFO] running `Command { std: "docker" "inspect" "17b81cd350732c15c236636b9fbe2c0d77f564fcc185f8b9b11d8d3c9bb4dfbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b81cd350732c15c236636b9fbe2c0d77f564fcc185f8b9b11d8d3c9bb4dfbe", kill_on_drop: false }` [INFO] [stdout] 17b81cd350732c15c236636b9fbe2c0d77f564fcc185f8b9b11d8d3c9bb4dfbe