Dec 19 21:16:20.221 INFO checking XOSplicer/es_uebung05_rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:16:20.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/XOSplicer/es_uebung05_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:16:20.811 INFO [stdout] 5ad1f4eb14a3750fec1323dab52846ab3c3ae26d71f014e3bb21d8b625eabfa9
Dec 19 21:16:20.813 INFO running `"docker" "start" "-a" "5ad1f4eb14a3750fec1323dab52846ab3c3ae26d71f014e3bb21d8b625eabfa9"`
Dec 19 21:16:23.121 INFO [stderr]     Checking nom v4.0.0
Dec 19 21:16:25.056 INFO [stderr]     Checking data-transmission v0.1.0 (/opt/crater/workdir)
Dec 19 21:16:25.408 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:16:25.408 INFO [stderr]  --> src/main.rs:1:1
Dec 19 21:16:25.408 INFO [stderr]   |
Dec 19 21:16:25.408 INFO [stderr] 1 | #[macro_use]
Dec 19 21:16:25.408 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 21:16:25.408 INFO [stderr]   |
Dec 19 21:16:25.408 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:16:25.408 INFO [stderr] 
Dec 19 21:16:25.408 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 19 21:16:25.408 INFO [stderr]  --> src/packet.rs:2:5
Dec 19 21:16:25.408 INFO [stderr]   |
Dec 19 21:16:25.408 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 19 21:16:25.408 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.408 INFO [stderr] 
Dec 19 21:16:25.416 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:16:25.416 INFO [stderr]  --> src/main.rs:1:1
Dec 19 21:16:25.416 INFO [stderr]   |
Dec 19 21:16:25.416 INFO [stderr] 1 | #[macro_use]
Dec 19 21:16:25.416 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 21:16:25.416 INFO [stderr]   |
Dec 19 21:16:25.416 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:16:25.416 INFO [stderr] 
Dec 19 21:16:25.416 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 19 21:16:25.416 INFO [stderr]  --> src/packet.rs:2:5
Dec 19 21:16:25.416 INFO [stderr]   |
Dec 19 21:16:25.416 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 19 21:16:25.416 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.416 INFO [stderr] 
Dec 19 21:16:25.642 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 19 21:16:25.642 INFO [stderr]   --> src/packet.rs:16:5
Dec 19 21:16:25.642 INFO [stderr]    |
Dec 19 21:16:25.642 INFO [stderr] 16 |     Invalid = 0,
Dec 19 21:16:25.642 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.642 INFO [stderr]    |
Dec 19 21:16:25.642 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:16:25.642 INFO [stderr] 
Dec 19 21:16:25.642 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 19 21:16:25.642 INFO [stderr]   --> src/packet.rs:17:5
Dec 19 21:16:25.642 INFO [stderr]    |
Dec 19 21:16:25.642 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 19 21:16:25.642 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.642 INFO [stderr] 
Dec 19 21:16:25.642 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 19 21:16:25.642 INFO [stderr]   --> src/packet.rs:18:5
Dec 19 21:16:25.642 INFO [stderr]    |
Dec 19 21:16:25.642 INFO [stderr] 18 |     Echo = 2,
Dec 19 21:16:25.642 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:16:25.642 INFO [stderr] 
Dec 19 21:16:25.642 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 19 21:16:25.642 INFO [stderr]   --> src/packet.rs:19:5
Dec 19 21:16:25.642 INFO [stderr]    |
Dec 19 21:16:25.642 INFO [stderr] 19 |     EchoReply = 3,
Dec 19 21:16:25.642 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:16:25.642 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 19 21:16:25.643 INFO [stderr]   --> src/packet.rs:20:5
Dec 19 21:16:25.643 INFO [stderr]    |
Dec 19 21:16:25.643 INFO [stderr] 20 |     Shutdown = 4,
Dec 19 21:16:25.643 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 19 21:16:25.643 INFO [stderr]   --> src/packet.rs:21:5
Dec 19 21:16:25.643 INFO [stderr]    |
Dec 19 21:16:25.643 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 19 21:16:25.643 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 19 21:16:25.643 INFO [stderr]   --> src/packet.rs:79:5
Dec 19 21:16:25.643 INFO [stderr]    |
Dec 19 21:16:25.643 INFO [stderr] 79 |     ACK     = 0,
Dec 19 21:16:25.643 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 19 21:16:25.643 INFO [stderr]   --> src/packet.rs:80:5
Dec 19 21:16:25.643 INFO [stderr]    |
Dec 19 21:16:25.643 INFO [stderr] 80 |     NACK    = 1,
Dec 19 21:16:25.643 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 19 21:16:25.643 INFO [stderr]    --> src/packet.rs:105:5
Dec 19 21:16:25.643 INFO [stderr]     |
Dec 19 21:16:25.643 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 19 21:16:25.643 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 19 21:16:25.643 INFO [stderr]    --> src/packet.rs:106:5
Dec 19 21:16:25.643 INFO [stderr]     |
Dec 19 21:16:25.643 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 19 21:16:25.643 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 19 21:16:25.643 INFO [stderr]    --> src/packet.rs:108:5
Dec 19 21:16:25.643 INFO [stderr]     |
Dec 19 21:16:25.643 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 19 21:16:25.643 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.643 INFO [stderr] warning: method is never used: `checksum`
Dec 19 21:16:25.643 INFO [stderr]    --> src/packet.rs:134:5
Dec 19 21:16:25.643 INFO [stderr]     |
Dec 19 21:16:25.643 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 19 21:16:25.643 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.643 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:16:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 16 |     Invalid = 0,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:17:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:18:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 18 |     Echo = 2,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:19:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 19 |     EchoReply = 3,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:20:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 20 |     Shutdown = 4,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:21:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.737 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 19 21:16:25.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.737 INFO [stderr] 
Dec 19 21:16:25.737 INFO [stderr] warning: variant is never constructed: `Unsupported`
Dec 19 21:16:25.737 INFO [stderr]   --> src/packet.rs:22:5
Dec 19 21:16:25.737 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 22 |     Unsupported = 6,
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: associated const is never used: `MAX_COMMAND`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:26:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 26 |     const MAX_COMMAND: u16 = Command::Unsupported as u16;
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: method is never used: `try_from`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:28:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 28 |     fn try_from(c: u16) -> Result<Self, CommandValueError> {
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:46:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 46 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>();
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:48:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 48 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:79:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 79 |     ACK     = 0,
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:80:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 80 |     NACK    = 1,
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: variant is never constructed: `DATA`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:81:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 81 |     DATA    = 2,
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: associated const is never used: `MAX_TYPE`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:85:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 85 |     const MAX_TYPE: u8 = WrapperType::DATA as u8;
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: method is never used: `try_from`
Dec 19 21:16:25.738 INFO [stderr]   --> src/packet.rs:87:5
Dec 19 21:16:25.738 INFO [stderr]    |
Dec 19 21:16:25.738 INFO [stderr] 87 |     fn try_from(c: u8) -> Result<Self, WrapperTypeValueError> {
Dec 19 21:16:25.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 19 21:16:25.738 INFO [stderr]    --> src/packet.rs:105:5
Dec 19 21:16:25.738 INFO [stderr]     |
Dec 19 21:16:25.738 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 19 21:16:25.738 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 19 21:16:25.738 INFO [stderr]    --> src/packet.rs:106:5
Dec 19 21:16:25.738 INFO [stderr]     |
Dec 19 21:16:25.738 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 19 21:16:25.738 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 19 21:16:25.738 INFO [stderr]    --> src/packet.rs:108:5
Dec 19 21:16:25.738 INFO [stderr]     |
Dec 19 21:16:25.738 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 19 21:16:25.738 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: method is never used: `checksum`
Dec 19 21:16:25.738 INFO [stderr]    --> src/packet.rs:134:5
Dec 19 21:16:25.738 INFO [stderr]     |
Dec 19 21:16:25.738 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 19 21:16:25.738 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.738 INFO [stderr] warning: function is never used: `fletcher_16`
Dec 19 21:16:25.738 INFO [stderr]  --> src/fletcher_16.rs:1:1
Dec 19 21:16:25.738 INFO [stderr]   |
Dec 19 21:16:25.738 INFO [stderr] 1 | pub fn fletcher_16(data: &[u8]) -> u16 {
Dec 19 21:16:25.738 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:25.738 INFO [stderr] 
Dec 19 21:16:25.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 19 21:16:26.786 INFO running `"docker" "inspect" "5ad1f4eb14a3750fec1323dab52846ab3c3ae26d71f014e3bb21d8b625eabfa9"`
Dec 19 21:16:26.964 INFO running `"docker" "rm" "-f" "5ad1f4eb14a3750fec1323dab52846ab3c3ae26d71f014e3bb21d8b625eabfa9"`
Dec 19 21:16:27.324 INFO [stdout] 5ad1f4eb14a3750fec1323dab52846ab3c3ae26d71f014e3bb21d8b625eabfa9