[INFO] fetching crate smoltcp_null_modem 0.1.0-alpha4...
[INFO] testing smoltcp_null_modem-0.1.0-alpha4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate smoltcp_null_modem 0.1.0-alpha4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smoltcp_null_modem 0.1.0-alpha4
[INFO] finished tweaking crates.io crate smoltcp_null_modem 0.1.0-alpha4
[INFO] tweaked toml for crates.io crate smoltcp_null_modem 0.1.0-alpha4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smoltcp_null_modem 0.1.0-alpha4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] [stderr]       Adding smoltcp v0.11.0 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded rtrb v0.3.2
[INFO] [stderr]   Downloaded smoltcp v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 634a57c1452b889ee5fb245efdcef7f5337d73c9ab6ab7d85d93a7d79790e811
[INFO] running `Command { std: "docker" "start" "-a" "634a57c1452b889ee5fb245efdcef7f5337d73c9ab6ab7d85d93a7d79790e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634a57c1452b889ee5fb245efdcef7f5337d73c9ab6ab7d85d93a7d79790e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634a57c1452b889ee5fb245efdcef7f5337d73c9ab6ab7d85d93a7d79790e811", kill_on_drop: false }`
[INFO] [stdout] 634a57c1452b889ee5fb245efdcef7f5337d73c9ab6ab7d85d93a7d79790e811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1313c8582bb0c8943bd09ea7cf979b51c2856b666819075be2154522c179f97d
[INFO] running `Command { std: "docker" "start" "-a" "1313c8582bb0c8943bd09ea7cf979b51c2856b666819075be2154522c179f97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling smoltcp v0.11.0
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling heapless v0.8.0
[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-1949cf8c6b5b557f/smoltcp-0.11.0/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[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 113 ~         match self {
[INFO] [stdout] 114 +             _ => todo!(),
[INFO] [stdout] 115 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 123 ~         match self {
[INFO] [stdout] 124 +             _ => todo!(),
[INFO] [stdout] 125 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:133:15
[INFO] [stdout]     |
[INFO] [stdout] 133 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 133 ~         match self {
[INFO] [stdout] 134 +             _ => todo!(),
[INFO] [stdout] 135 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:143:15
[INFO] [stdout]     |
[INFO] [stdout] 143 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 143 ~         match self {
[INFO] [stdout] 144 +             _ => todo!(),
[INFO] [stdout] 145 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:153:15
[INFO] [stdout]     |
[INFO] [stdout] 153 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 153 ~         match self {
[INFO] [stdout] 154 +             _ => todo!(),
[INFO] [stdout] 155 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&ip::Address` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Address` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:88:10
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub enum Address {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     = note: the matched value is of type `&ip::Address`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         match self {
[INFO] [stdout] 164 +             _ => todo!(),
[INFO] [stdout] 165 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&mut ip::Repr` is non-empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:654:15
[INFO] [stdout]     |
[INFO] [stdout] 654 |         match self {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ip::Repr` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.11.0/src/wire/ip.rs:546:10
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub enum Repr {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     = note: the matched value is of type `&mut ip::Repr`
[INFO] [stdout]     = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 654 ~         match self {
[INFO] [stdout] 655 +             _ => todo!(),
[INFO] [stdout] 656 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "1313c8582bb0c8943bd09ea7cf979b51c2856b666819075be2154522c179f97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1313c8582bb0c8943bd09ea7cf979b51c2856b666819075be2154522c179f97d", kill_on_drop: false }`
[INFO] [stdout] 1313c8582bb0c8943bd09ea7cf979b51c2856b666819075be2154522c179f97d
