[INFO] fetching crate drogue-esp8266 0.3.0...
[INFO] checking drogue-esp8266-0.3.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate drogue-esp8266 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate drogue-esp8266 0.3.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate drogue-esp8266 0.3.0
[INFO] finished tweaking crates.io crate drogue-esp8266 0.3.0
[INFO] tweaked toml for crates.io crate drogue-esp8266 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded moveslice v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82c4628c3b71780b586dc8fb9d4f9b90c367f1a22c8270aa8984ab468d316354
[INFO] running `Command { std: "docker" "start" "-a" "82c4628c3b71780b586dc8fb9d4f9b90c367f1a22c8270aa8984ab468d316354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c4628c3b71780b586dc8fb9d4f9b90c367f1a22c8270aa8984ab468d316354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c4628c3b71780b586dc8fb9d4f9b90c367f1a22c8270aa8984ab468d316354", kill_on_drop: false }`
[INFO] [stdout] 82c4628c3b71780b586dc8fb9d4f9b90c367f1a22c8270aa8984ab468d316354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ded5afacdc09c1c820f01cc6080074744ec390c593250ab9d128af9751f7c1c
[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" "6ded5afacdc09c1c820f01cc6080074744ec390c593250ab9d128af9751f7c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking no-std-net v0.4.0
[INFO] [stderr]     Checking moveslice v2.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking drogue-network v0.2.0
[INFO] [stderr]     Checking drogue-esp8266 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arrayvec`
[INFO] [stdout]    --> src/protocol.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     use arrayvec::ArrayString;
[INFO] [stdout]     |         ^^^^^^^^ use of undeclared crate or module `arrayvec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/protocol.rs:177:36
[INFO] [stdout]     |
[INFO] [stdout] 177 |             Response::DataReceived(d, l) => f.write_str("DataReceived"),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/protocol.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |             Response::DataReceived(d, l) => f.write_str("DataReceived"),
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/protocol.rs:295:57
[INFO] [stdout]     |
[INFO] [stdout] 295 |         write!(&mut buf, "{:?}", Response::DataReceived(array, data.len())).expect("Can't write");
[INFO] [stdout]     |                                                         ^^^^^ expected an array with a fixed size of 512 elements, found one with 128 elements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]    --> src/protocol.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use core::fmt::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_data`
[INFO] [stdout]    --> src/protocol.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn dump_data(name: &str, data: &[u8], len: usize, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drogue-esp8266`
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ded5afacdc09c1c820f01cc6080074744ec390c593250ab9d128af9751f7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ded5afacdc09c1c820f01cc6080074744ec390c593250ab9d128af9751f7c1c", kill_on_drop: false }`
[INFO] [stdout] 6ded5afacdc09c1c820f01cc6080074744ec390c593250ab9d128af9751f7c1c