[INFO] fetching crate drogue-esp8266 0.3.1...
[INFO] testing drogue-esp8266-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate drogue-esp8266 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate drogue-esp8266 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate drogue-esp8266 0.3.1
[INFO] finished tweaking crates.io crate drogue-esp8266 0.3.1
[INFO] tweaked toml for crates.io crate drogue-esp8266 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd8dcedafd2159e5a6080d9352a12a5aa542358ebd8e48eb860823f9add108ef
[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" "cd8dcedafd2159e5a6080d9352a12a5aa542358ebd8e48eb860823f9add108ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8dcedafd2159e5a6080d9352a12a5aa542358ebd8e48eb860823f9add108ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8dcedafd2159e5a6080d9352a12a5aa542358ebd8e48eb860823f9add108ef", kill_on_drop: false }`
[INFO] [stdout] cd8dcedafd2159e5a6080d9352a12a5aa542358ebd8e48eb860823f9add108ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a017cd83899d790f2621613c96606b09ee527c5e3bd1dca8ca9ba11a333c810
[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" "9a017cd83899d790f2621613c96606b09ee527c5e3bd1dca8ca9ba11a333c810", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling drogue-esp8266 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling no-std-net v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling moveslice v2.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling drogue-network v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "9a017cd83899d790f2621613c96606b09ee527c5e3bd1dca8ca9ba11a333c810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a017cd83899d790f2621613c96606b09ee527c5e3bd1dca8ca9ba11a333c810", kill_on_drop: false }`
[INFO] [stdout] 9a017cd83899d790f2621613c96606b09ee527c5e3bd1dca8ca9ba11a333c810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db5bb434f0900cfa08d2c04e68bdd3785c0be9e4b0f87f8f3291b90df3b888be
[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" "db5bb434f0900cfa08d2c04e68bdd3785c0be9e4b0f87f8f3291b90df3b888be", kill_on_drop: false }`
[INFO] [stderr]    Compiling drogue-esp8266 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arrayvec`
[INFO] [stdout]    --> src/protocol.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use arrayvec::ArrayString;
[INFO] [stdout]     |         ^^^^^^^^ use of undeclared crate or module `arrayvec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/protocol.rs:296:57
[INFO] [stdout]     |
[INFO] [stdout] 296 |         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:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     use core::fmt::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "db5bb434f0900cfa08d2c04e68bdd3785c0be9e4b0f87f8f3291b90df3b888be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5bb434f0900cfa08d2c04e68bdd3785c0be9e4b0f87f8f3291b90df3b888be", kill_on_drop: false }`
[INFO] [stdout] db5bb434f0900cfa08d2c04e68bdd3785c0be9e4b0f87f8f3291b90df3b888be