[INFO] fetching crate ingot 0.1.1...
[INFO] checking ingot-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ingot 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ingot 0.1.1
[INFO] finished tweaking crates.io crate ingot 0.1.1
[INFO] tweaked toml for crates.io crate ingot 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ingot 0.1.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.6.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d10676c88bd5ec61b1e3e69082eac118e851011f27029ed0c73a7d0f5da3a43
[INFO] running `Command { std: "docker" "start" "-a" "7d10676c88bd5ec61b1e3e69082eac118e851011f27029ed0c73a7d0f5da3a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d10676c88bd5ec61b1e3e69082eac118e851011f27029ed0c73a7d0f5da3a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d10676c88bd5ec61b1e3e69082eac118e851011f27029ed0c73a7d0f5da3a43", kill_on_drop: false }`
[INFO] [stdout] 7d10676c88bd5ec61b1e3e69082eac118e851011f27029ed0c73a7d0f5da3a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d0b57e9a0c1499897957e018bd0121333538aba1a7e000afc5dd35ad2f0457
[INFO] running `Command { std: "docker" "start" "-a" "28d0b57e9a0c1499897957e018bd0121333538aba1a7e000afc5dd35ad2f0457", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling ingot-macros v0.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.6.0
[INFO] [stderr]     Checking ingot-types v0.1.2
[INFO] [stderr]     Checking ingot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ethernet::Ethernet, Infallible>
[INFO] [stdout]   --> src/ethernet.rs:46:51
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ethernet::VlanBody, Infallible>
[INFO] [stdout]   --> src/ethernet.rs:57:51
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<geneve::GeneveOpt, Infallible>
[INFO] [stdout]   --> src/geneve.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<icmp::IcmpV4, Infallible>
[INFO] [stdout]   --> src/icmp.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<icmp::IcmpV6, Infallible>
[INFO] [stdout]    --> src/icmp.rs:114:51
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::Option, Infallible>
[INFO] [stdout]    --> src/icmp.rs:144:43
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionPrefix, Infallible>
[INFO] [stdout]    --> src/icmp.rs:171:43
[INFO] [stdout]     |
[INFO] [stdout] 171 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionRedirect, Infallible>
[INFO] [stdout]    --> src/icmp.rs:183:43
[INFO] [stdout]     |
[INFO] [stdout] 183 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionMtu, Infallible>
[INFO] [stdout]    --> src/icmp.rs:191:43
[INFO] [stdout]     |
[INFO] [stdout] 191 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpMembershipQuery, Infallible>
[INFO] [stdout]   --> src/igmp.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV3GroupRecord, Infallible>
[INFO] [stdout]   --> src/igmp.rs:96:45
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV2MembershipReport, Infallible>
[INFO] [stdout]    --> src/igmp.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV2LeaveGroup, Infallible>
[INFO] [stdout]    --> src/igmp.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::Ipv4, Infallible>
[INFO] [stdout]   --> src/ip.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ip::IpV6ExtFragment>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6ExtFragment, Infallible>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ip::IpV6Ext6564>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6Ext6564, Infallible>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6ExtFragment, Infallible>
[INFO] [stdout]    --> src/ip.rs:191:51
[INFO] [stdout]     |
[INFO] [stdout] 191 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6Ext6564, Infallible>
[INFO] [stdout]    --> src/ip.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Debug, Clone, Ingot, Eq, PartialEq)]
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tcp::Tcp, Infallible>
[INFO] [stdout]  --> src/tcp.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]   |                                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<udp::Udp, Infallible>
[INFO] [stdout]  --> src/udp.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ingot` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<ethernet::Ethernet, Infallible>
[INFO] [stdout]   --> src/ethernet.rs:46:51
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ethernet::VlanBody, Infallible>
[INFO] [stdout]   --> src/ethernet.rs:57:51
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<geneve::GeneveOpt, Infallible>
[INFO] [stdout]   --> src/geneve.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<icmp::IcmpV4, Infallible>
[INFO] [stdout]   --> src/icmp.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<icmp::IcmpV6, Infallible>
[INFO] [stdout]    --> src/icmp.rs:114:51
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::Option, Infallible>
[INFO] [stdout]    --> src/icmp.rs:144:43
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionPrefix, Infallible>
[INFO] [stdout]    --> src/icmp.rs:171:43
[INFO] [stdout]     |
[INFO] [stdout] 171 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionRedirect, Infallible>
[INFO] [stdout]    --> src/icmp.rs:183:43
[INFO] [stdout]     |
[INFO] [stdout] 183 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ndisc::OptionMtu, Infallible>
[INFO] [stdout]    --> src/icmp.rs:191:43
[INFO] [stdout]     |
[INFO] [stdout] 191 |     #[derive(Clone, Debug, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpMembershipQuery, Infallible>
[INFO] [stdout]   --> src/igmp.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV3GroupRecord, Infallible>
[INFO] [stdout]   --> src/igmp.rs:96:45
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV2MembershipReport, Infallible>
[INFO] [stdout]    --> src/igmp.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<igmp::IgmpV2LeaveGroup, Infallible>
[INFO] [stdout]    --> src/igmp.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::Ipv4, Infallible>
[INFO] [stdout]   --> src/ip.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ip::IpV6ExtFragment>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6ExtFragment, Infallible>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ip::IpV6Ext6564>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6Ext6564, Infallible>
[INFO] [stdout]    --> src/ip.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[choice(on = "IpProtocol", map_on = IpProtocol::class)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6ExtFragment, Infallible>
[INFO] [stdout]    --> src/ip.rs:191:51
[INFO] [stdout]     |
[INFO] [stdout] 191 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ip::IpV6Ext6564, Infallible>
[INFO] [stdout]    --> src/ip.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Debug, Clone, Ingot, Eq, PartialEq)]
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tcp::Tcp, Infallible>
[INFO] [stdout]  --> src/tcp.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]   |                                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<udp::Udp, Infallible>
[INFO] [stdout]  --> src/udp.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, Ingot)]
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::TestFunFields, Infallible>
[INFO] [stdout]   --> src/tests.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Ingot)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::InnerPacket, Infallible>
[INFO] [stdout]    --> src/tests.rs:575:17
[INFO] [stdout]     |
[INFO] [stdout] 575 | #[derive(Clone, Ingot)]
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, tests::ChoiceBodyA>
[INFO] [stdout]    --> src/tests.rs:612:1
[INFO] [stdout]     |
[INFO] [stdout] 612 | #[choice(on = "ChoiceType")]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::ChoiceBodyA, Infallible>
[INFO] [stdout]    --> src/tests.rs:612:1
[INFO] [stdout]     |
[INFO] [stdout] 612 | #[choice(on = "ChoiceType")]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, tests::ChoiceBodyB>
[INFO] [stdout]    --> src/tests.rs:612:1
[INFO] [stdout]     |
[INFO] [stdout] 612 | #[choice(on = "ChoiceType")]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::ChoiceBodyB, Infallible>
[INFO] [stdout]    --> src/tests.rs:612:1
[INFO] [stdout]     |
[INFO] [stdout] 612 | #[choice(on = "ChoiceType")]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `choice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::ChoiceBodyA, Infallible>
[INFO] [stdout]    --> src/tests.rs:618:39
[INFO] [stdout]     |
[INFO] [stdout] 618 | #[derive(Debug, Clone, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::ChoiceBodyB, Infallible>
[INFO] [stdout]    --> src/tests.rs:625:39
[INFO] [stdout]     |
[INFO] [stdout] 625 | #[derive(Debug, Clone, Eq, PartialEq, Ingot)]
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ingot` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ingot` (lib test) due to 30 previous errors
[INFO] running `Command { std: "docker" "inspect" "28d0b57e9a0c1499897957e018bd0121333538aba1a7e000afc5dd35ad2f0457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d0b57e9a0c1499897957e018bd0121333538aba1a7e000afc5dd35ad2f0457", kill_on_drop: false }`
[INFO] [stdout] 28d0b57e9a0c1499897957e018bd0121333538aba1a7e000afc5dd35ad2f0457