[INFO] cloning repository https://github.com/lijingwei9060/ether-packet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lijingwei9060/ether-packet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijingwei9060%2Fether-packet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijingwei9060%2Fether-packet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d7ebb51362d71822111c0e2104001e723d883d6
[INFO] checking lijingwei9060/ether-packet against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijingwei9060%2Fether-packet" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lijingwei9060/ether-packet
[INFO] finished tweaking git repo https://github.com/lijingwei9060/ether-packet
[INFO] tweaked toml for git repo https://github.com/lijingwei9060/ether-packet written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lijingwei9060/ether-packet 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] crate git repo https://github.com/lijingwei9060/ether-packet already has a lockfile, it will not be regenerated
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 16ab863f7f68650922d3b5b01fd5de73ea0dc1bb5556d901dea56b10985dd99d
[INFO] running `Command { std: "docker" "start" "-a" "16ab863f7f68650922d3b5b01fd5de73ea0dc1bb5556d901dea56b10985dd99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ab863f7f68650922d3b5b01fd5de73ea0dc1bb5556d901dea56b10985dd99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ab863f7f68650922d3b5b01fd5de73ea0dc1bb5556d901dea56b10985dd99d", kill_on_drop: false }`
[INFO] [stdout] 16ab863f7f68650922d3b5b01fd5de73ea0dc1bb5556d901dea56b10985dd99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 862558b3a40902ae2436743d3b6bc57e48e43909d541dec812f9ec29d65b026f
[INFO] running `Command { std: "docker" "start" "-a" "862558b3a40902ae2436743d3b6bc57e48e43909d541dec812f9ec29d65b026f", kill_on_drop: false }`
[INFO] [stderr]     Checking ether-packet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/lib.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]   --> src/ip/v6.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]    |
[INFO] [stdout] 32 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 32 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 110 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 110 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 124 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 124 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 136 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 136 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]   --> src/ip/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]    |
[INFO] [stdout] 19 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 19 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/lib.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![cfg_attr(not(feature = "std"), no_std)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]   --> src/ip/v6.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]    |
[INFO] [stdout] 32 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 32 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 110 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 110 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 124 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 124 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/ip/v6.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 136 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 136 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]   --> src/ip/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]    |
[INFO] [stdout] 19 - #[cfg_attr(features = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout] 19 + #[cfg_attr(feature = "serde", derive(::serde::Serialize, ::serde::Deserialize))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/types.rs:89:71
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const fn new(a: u8, b: u8, c: u8, d: u8, e: u8, f: u8, g: u8, h: u8) -> Self {
[INFO] [stdout]    |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/types.rs:89:71
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const fn new(a: u8, b: u8, c: u8, d: u8, e: u8, f: u8, g: u8, h: u8) -> Self {
[INFO] [stdout]    |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 14], Infallible>
[INFO] [stdout]    --> src/eth.rs:262:61
[INFO] [stdout]     |
[INFO] [stdout] 262 |             unsafe { mem::transmute::<[u8; EthHdr::LEN], _>(data_stream.try_into().unwrap()) };
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/ip/v4.rs:325:53
[INFO] [stdout]     |
[INFO] [stdout] 325 |             mem::transmute::<[u8; Ipv4Hdr::LEN], _>(expected_header_bytes.try_into().unwrap())
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 40], Infallible>
[INFO] [stdout]    --> src/ip/v6.rs:172:53
[INFO] [stdout]     |
[INFO] [stdout] 172 |             mem::transmute::<[u8; Ipv6Hdr::LEN], _>(expected_header_bytes.try_into().unwrap())
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 40], Infallible>
[INFO] [stdout]    --> src/ip/v6.rs:185:62
[INFO] [stdout]     |
[INFO] [stdout] 185 |             unsafe { mem::transmute::<[u8; Ipv6Hdr::LEN], _>(header_bytes.try_into().unwrap()) };
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ether-packet` (lib test) due to 4 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "862558b3a40902ae2436743d3b6bc57e48e43909d541dec812f9ec29d65b026f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862558b3a40902ae2436743d3b6bc57e48e43909d541dec812f9ec29d65b026f", kill_on_drop: false }`
[INFO] [stdout] 862558b3a40902ae2436743d3b6bc57e48e43909d541dec812f9ec29d65b026f
