[INFO] fetching crate embassy-net 0.2.1...
[INFO] checking embassy-net-0.2.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate embassy-net 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate embassy-net 0.2.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embassy-net 0.2.1
[INFO] finished tweaking crates.io crate embassy-net 0.2.1
[INFO] tweaked toml for crates.io crate embassy-net 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded embassy-time v0.1.5
[INFO] [stderr]   Downloaded smoltcp v0.10.0
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded embassy-net-driver v0.2.0
[INFO] [stderr]   Downloaded embedded-nal-async v0.6.0
[INFO] [stderr]   Downloaded embedded-nal v0.7.0
[INFO] [stderr]   Downloaded atomic-pool v1.0.1
[INFO] [stderr]   Downloaded embassy-sync v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 576f4d092b555570fe3707fe36f482cb989e24ce4e79c3d99a905e6e5c4a85b9
[INFO] running `Command { std: "docker" "start" "-a" "576f4d092b555570fe3707fe36f482cb989e24ce4e79c3d99a905e6e5c4a85b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576f4d092b555570fe3707fe36f482cb989e24ce4e79c3d99a905e6e5c4a85b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576f4d092b555570fe3707fe36f482cb989e24ce4e79c3d99a905e6e5c4a85b9", kill_on_drop: false }`
[INFO] [stdout] 576f4d092b555570fe3707fe36f482cb989e24ce4e79c3d99a905e6e5c4a85b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8422ec10e5bccded5b40bad4765cbbde2b1c4e8b584a688b4bc3f92ea81a3b
[INFO] running `Command { std: "docker" "start" "-a" "0a8422ec10e5bccded5b40bad4765cbbde2b1c4e8b584a688b4bc3f92ea81a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]    Compiling smoltcp v0.10.0
[INFO] [stderr]    Compiling embassy-sync v0.4.0
[INFO] [stderr]    Compiling embassy-time v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking embassy-net-driver v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking atomic-pool v1.0.1
[INFO] [stdout] error: You must enable at least one of the following features: proto-ipv4, proto-ipv6, proto-sixlowpan
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | compile_error!("You must enable at least one of the following features: proto-ipv4, proto-ipv6, proto-sixlowpan");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: If you enable the socket feature, you must enable at least one of the following features: socket-raw, socket-udp, socket-tcp, socket-icmp, socket-dhcpv4, socket-dns
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | compile_error!("If you enable the socket feature, you must enable at least one of the following features: socket-raw, socket-udp, socket-tcp, socket-icmp, socket-dhcpv4, socket-dns...
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: If you enable the socket feature, you must enable at least one of the following features: medium-ip, medium-ethernet, medium-ieee802154
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | compile_error!("If you enable the socket feature, you must enable at least one of the following features: medium-ip, medium-ethernet, medium-ieee802154...
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::iface`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/socket/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::iface::Context;
[INFO] [stdout]    |            ^^^^^ could not find `iface` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'a` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/socket/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum Socket<'a> {
[INFO] [stdout]    |                 ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a8422ec10e5bccded5b40bad4765cbbde2b1c4e8b584a688b4bc3f92ea81a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8422ec10e5bccded5b40bad4765cbbde2b1c4e8b584a688b4bc3f92ea81a3b", kill_on_drop: false }`
[INFO] [stdout] 0a8422ec10e5bccded5b40bad4765cbbde2b1c4e8b584a688b4bc3f92ea81a3b
[INFO] checking embassy-net-0.2.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate embassy-net 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate embassy-net 0.2.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embassy-net 0.2.1
[INFO] finished tweaking crates.io crate embassy-net 0.2.1
[INFO] tweaked toml for crates.io crate embassy-net 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff3211d3cbdfe1fe55d0eb5097cd7b10698fc6e2fdfd28df80fbbae03cd42aef
[INFO] running `Command { std: "docker" "start" "-a" "ff3211d3cbdfe1fe55d0eb5097cd7b10698fc6e2fdfd28df80fbbae03cd42aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3211d3cbdfe1fe55d0eb5097cd7b10698fc6e2fdfd28df80fbbae03cd42aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3211d3cbdfe1fe55d0eb5097cd7b10698fc6e2fdfd28df80fbbae03cd42aef", kill_on_drop: false }`
[INFO] [stdout] ff3211d3cbdfe1fe55d0eb5097cd7b10698fc6e2fdfd28df80fbbae03cd42aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] deb6f1b0d1b0a5f75938650a3d093aa5d33cb839cdf1f2bc1ef3474e5191ffce
[INFO] running `Command { std: "docker" "start" "-a" "deb6f1b0d1b0a5f75938650a3d093aa5d33cb839cdf1f2bc1ef3474e5191ffce", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling embassy-time v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling smoltcp v0.10.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling embassy-sync v0.4.0
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking embassy-net-driver v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking atomic-pool v1.0.1
[INFO] [stdout] error: You must enable at least one of the following features: proto-ipv4, proto-ipv6, proto-sixlowpan
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | compile_error!("You must enable at least one of the following features: proto-ipv4, proto-ipv6, proto-sixlowpan");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: If you enable the socket feature, you must enable at least one of the following features: socket-raw, socket-udp, socket-tcp, socket-icmp, socket-dhcpv4, socket-dns
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | compile_error!("If you enable the socket feature, you must enable at least one of the following features: socket-raw, socket-udp, socket-tcp, socket-icmp, socket-dhcpv4, socket-dns...
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: If you enable the socket feature, you must enable at least one of the following features: medium-ip, medium-ethernet, medium-ieee802154
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | compile_error!("If you enable the socket feature, you must enable at least one of the following features: medium-ip, medium-ethernet, medium-ieee802154...
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::iface`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/socket/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::iface::Context;
[INFO] [stdout]    |            ^^^^^ could not find `iface` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'a` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.10.0/src/socket/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum Socket<'a> {
[INFO] [stdout]    |                 ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "deb6f1b0d1b0a5f75938650a3d093aa5d33cb839cdf1f2bc1ef3474e5191ffce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb6f1b0d1b0a5f75938650a3d093aa5d33cb839cdf1f2bc1ef3474e5191ffce", kill_on_drop: false }`
[INFO] [stdout] deb6f1b0d1b0a5f75938650a3d093aa5d33cb839cdf1f2bc1ef3474e5191ffce
