[INFO] updating cached repository XOSplicer/es_uebung05_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/XOSplicer/es_uebung05_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/XOSplicer/es_uebung05_rust" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/XOSplicer/es_uebung05_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/XOSplicer/es_uebung05_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/XOSplicer/es_uebung05_rust" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/XOSplicer/es_uebung05_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/XOSplicer/es_uebung05_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2ccea3d5b60a503698a135480b47a1eeb82a201
[INFO] sha for GitHub repo XOSplicer/es_uebung05_rust: e2ccea3d5b60a503698a135480b47a1eeb82a201
[INFO] validating manifest of XOSplicer/es_uebung05_rust on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of XOSplicer/es_uebung05_rust on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing XOSplicer/es_uebung05_rust
[INFO] finished frobbing XOSplicer/es_uebung05_rust
[INFO] frobbed toml for XOSplicer/es_uebung05_rust written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/XOSplicer/es_uebung05_rust/Cargo.toml
[INFO] started frobbing XOSplicer/es_uebung05_rust
[INFO] finished frobbing XOSplicer/es_uebung05_rust
[INFO] frobbed toml for XOSplicer/es_uebung05_rust written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/XOSplicer/es_uebung05_rust/Cargo.toml
[INFO] crate XOSplicer/es_uebung05_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking XOSplicer/es_uebung05_rust against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/XOSplicer/es_uebung05_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eeec6b40b095abc5684abb38182b857826ca91d9bc469a2b09c6a70f973daad2
[INFO] running `"docker" "start" "-a" "eeec6b40b095abc5684abb38182b857826ca91d9bc469a2b09c6a70f973daad2"`
[INFO] [stderr]     Checking data-transmission v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fletcher_16::fletcher_16`
[INFO] [stderr]  --> src/packet.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fletcher_16::fletcher_16;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fletcher_16::fletcher_16`
[INFO] [stderr]  --> src/packet.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fletcher_16::fletcher_16;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invalid`
[INFO] [stderr]   --> src/packet.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Invalid = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GeneralErrorReply`
[INFO] [stderr]   --> src/packet.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     GeneralErrorReply = 1,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Echo`
[INFO] [stderr]   --> src/packet.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Echo = 2,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EchoReply`
[INFO] [stderr]   --> src/packet.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     EchoReply = 3,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Shutdown`
[INFO] [stderr]   --> src/packet.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Shutdown = 4,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShutdownReply`
[INFO] [stderr]   --> src/packet.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ShutdownReply = 5,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unsupported`
[INFO] [stderr]   --> src/packet.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Unsupported = 6,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `MAX_COMMAND`
[INFO] [stderr]   --> src/packet.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     const MAX_COMMAND: u16 = Command::Unsupported as u16;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_from`
[INFO] [stderr]   --> src/packet.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn try_from(c: u16) -> Result<Self, CommandValueError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `HEADER_LEN`
[INFO] [stderr]   --> src/packet.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_net_bytes_buf`
[INFO] [stderr]   --> src/packet.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ACK`
[INFO] [stderr]   --> src/packet.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     ACK     = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NACK`
[INFO] [stderr]   --> src/packet.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     NACK    = 1,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DATA`
[INFO] [stderr]   --> src/packet.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     DATA    = 2,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `MAX_TYPE`
[INFO] [stderr]   --> src/packet.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     const MAX_TYPE: u8 = WrapperType::DATA as u8;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_from`
[INFO] [stderr]   --> src/packet.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn try_from(c: u8) -> Result<Self, WrapperTypeValueError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `HEADER_LEN`
[INFO] [stderr]    --> src/packet.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `U16_HEADER_LEN`
[INFO] [stderr]    --> src/packet.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_net_bytes_buf`
[INFO] [stderr]    --> src/packet.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `checksum`
[INFO] [stderr]    --> src/packet.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn checksum(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fletcher_16`
[INFO] [stderr]  --> src/fletcher_16.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn fletcher_16(data: &[u8]) -> u16 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invalid`
[INFO] [stderr]   --> src/packet.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Invalid = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GeneralErrorReply`
[INFO] [stderr]   --> src/packet.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     GeneralErrorReply = 1,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Echo`
[INFO] [stderr]   --> src/packet.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Echo = 2,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EchoReply`
[INFO] [stderr]   --> src/packet.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     EchoReply = 3,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Shutdown`
[INFO] [stderr]   --> src/packet.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Shutdown = 4,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShutdownReply`
[INFO] [stderr]   --> src/packet.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ShutdownReply = 5,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ACK`
[INFO] [stderr]   --> src/packet.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     ACK     = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NACK`
[INFO] [stderr]   --> src/packet.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     NACK    = 1,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `HEADER_LEN`
[INFO] [stderr]    --> src/packet.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `U16_HEADER_LEN`
[INFO] [stderr]    --> src/packet.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_net_bytes_buf`
[INFO] [stderr]    --> src/packet.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `checksum`
[INFO] [stderr]    --> src/packet.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn checksum(&self) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "eeec6b40b095abc5684abb38182b857826ca91d9bc469a2b09c6a70f973daad2"`
[INFO] running `"docker" "rm" "-f" "eeec6b40b095abc5684abb38182b857826ca91d9bc469a2b09c6a70f973daad2"`
[INFO] [stdout] eeec6b40b095abc5684abb38182b857826ca91d9bc469a2b09c6a70f973daad2