[INFO] fetching crate embedded-nal-coap 0.1.0-alpha.1...
[INFO] checking embedded-nal-coap-0.1.0-alpha.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate embedded-nal-coap 0.1.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate embedded-nal-coap 0.1.0-alpha.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-nal-coap 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate embedded-nal-coap 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate embedded-nal-coap 0.1.0-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embassy-futures v0.1.1
[INFO] [stderr]   Downloaded coap-message-utils v0.2.2
[INFO] [stderr]   Downloaded windowed-infinity v0.1.4
[INFO] [stderr]   Downloaded embedded-nal-async v0.6.0
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded coap-numbers v0.2.3
[INFO] [stderr]   Downloaded coap-message v0.2.3
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded coap-request v0.1.0
[INFO] [stderr]   Downloaded embedded-nal v0.7.0
[INFO] [stderr]   Downloaded coap-handler v0.1.6
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80372c71ad145dd512a182a4d182ef7bf8eee446afe2fc9251b1b1dd5efa3927
[INFO] running `Command { std: "docker" "start" "-a" "80372c71ad145dd512a182a4d182ef7bf8eee446afe2fc9251b1b1dd5efa3927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80372c71ad145dd512a182a4d182ef7bf8eee446afe2fc9251b1b1dd5efa3927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80372c71ad145dd512a182a4d182ef7bf8eee446afe2fc9251b1b1dd5efa3927", kill_on_drop: false }`
[INFO] [stdout] 80372c71ad145dd512a182a4d182ef7bf8eee446afe2fc9251b1b1dd5efa3927
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e254dd64049e52ff9f8d26d652da6b2cbb9bd9981001e19e6ee94794ce467a3
[INFO] running `Command { std: "docker" "start" "-a" "2e254dd64049e52ff9f8d26d652da6b2cbb9bd9981001e19e6ee94794ce467a3", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking coap-message v0.2.3
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling embassy-sync v0.3.0
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking coap-numbers v0.2.3
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking coap-request v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embassy-futures v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking coap-message-utils v0.2.2
[INFO] [stderr]     Checking embedded-nal v0.7.0
[INFO] [stderr]     Checking embedded-nal-async v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking windowed-infinity v0.1.4
[INFO] [stderr]     Checking coap-handler v0.1.6
[INFO] [stderr]     Checking embedded-nal-coap v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/udp_format.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/udp_format.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mid`
[INFO] [stdout]    --> src/lib.rs:577:13
[INFO] [stdout]     |
[INFO] [stdout] 577 |         let mid = u16::from_be_bytes(buf[2..4].try_into().unwrap());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_mid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JustAck` is never constructed
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum Extracted<R> {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 98 |     JustAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ResponsePending(RequestMatchingDetails),
[INFO] [stdout]     |     --------------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ResponsePending(()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rand` is never read
[INFO] [stdout]    --> src/lib.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 208 | struct RunParts<'a, Socket, Handler, RandomSource, const CONCURRENT_REQUESTS: usize>
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 219 |     rand: &'a mut RandomSource,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mid`
[INFO] [stdout]    --> src/lib.rs:577:13
[INFO] [stdout]     |
[INFO] [stdout] 577 |         let mid = u16::from_be_bytes(buf[2..4].try_into().unwrap());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_mid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `COAP_VERSION` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:493:25
[INFO] [stdout]     |
[INFO] [stdout] 493 |                     let COAP_VERSION = 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: convert the identifier to snake case: `coap_version`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JustAck` is never constructed
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum Extracted<R> {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 98 |     JustAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ResponsePending(RequestMatchingDetails),
[INFO] [stdout]     |     --------------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ResponsePending(()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rand` is never read
[INFO] [stdout]    --> src/lib.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 208 | struct RunParts<'a, Socket, Handler, RandomSource, const CONCURRENT_REQUESTS: usize>
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 219 |     rand: &'a mut RandomSource,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `COAP_VERSION` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:493:25
[INFO] [stdout]     |
[INFO] [stdout] 493 |                     let COAP_VERSION = 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: convert the identifier to snake case: `coap_version`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "2e254dd64049e52ff9f8d26d652da6b2cbb9bd9981001e19e6ee94794ce467a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e254dd64049e52ff9f8d26d652da6b2cbb9bd9981001e19e6ee94794ce467a3", kill_on_drop: false }`
[INFO] [stdout] 2e254dd64049e52ff9f8d26d652da6b2cbb9bd9981001e19e6ee94794ce467a3
