[INFO] fetching crate std-embedded-nal 0.1.3...
[INFO] checking std-embedded-nal-0.1.3 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate std-embedded-nal 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate std-embedded-nal 0.1.3 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std-embedded-nal 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate std-embedded-nal 0.1.3
[INFO] tweaked toml for crates.io crate std-embedded-nal 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate std-embedded-nal 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded async-global-executor v2.2.0
[INFO] [stderr]   Downloaded embedded-nal-async v0.1.0
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded embedded-nal-tcpextensions v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.41
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.3
[INFO] [stderr]   Downloaded heapless v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a24ff40161ffe55458d623c2ef0f7c66800a895ecc5cf2acde9c27c1cb9596fb
[INFO] running `Command { std: "docker" "start" "-a" "a24ff40161ffe55458d623c2ef0f7c66800a895ecc5cf2acde9c27c1cb9596fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a24ff40161ffe55458d623c2ef0f7c66800a895ecc5cf2acde9c27c1cb9596fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24ff40161ffe55458d623c2ef0f7c66800a895ecc5cf2acde9c27c1cb9596fb", kill_on_drop: false }`
[INFO] [stdout] a24ff40161ffe55458d623c2ef0f7c66800a895ecc5cf2acde9c27c1cb9596fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97af2b76bdc7987c2847de87032631470a5e975fd9c1727a20bf48140e17033c
[INFO] running `Command { std: "docker" "start" "-a" "97af2b76bdc7987c2847de87032631470a5e975fd9c1727a20bf48140e17033c", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.7.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]     Checking std-embedded-nal v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> examples/coapclient.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn run<S, E>(stack: &mut S) -> Result<(), E>
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "97af2b76bdc7987c2847de87032631470a5e975fd9c1727a20bf48140e17033c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97af2b76bdc7987c2847de87032631470a5e975fd9c1727a20bf48140e17033c", kill_on_drop: false }`
[INFO] [stdout] 97af2b76bdc7987c2847de87032631470a5e975fd9c1727a20bf48140e17033c