Dec 14 04:33:26.685 INFO testing XOSplicer/es_uebung05_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:33:26.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 04:33:26.955 INFO [stdout] 25af1a327a0d91a8e8d072b709cb8b3e28be3b57a67868fd674541947ff0dbb0
Dec 14 04:33:26.958 INFO running `"docker" "start" "-a" "25af1a327a0d91a8e8d072b709cb8b3e28be3b57a67868fd674541947ff0dbb0"`
Dec 14 04:33:28.227 INFO [stderr] usermod: no changes
Dec 14 04:33:28.292 INFO [stderr]    Compiling memchr v2.0.2
Dec 14 04:33:28.872 INFO [stderr]    Compiling nom v4.0.0
Dec 14 04:33:31.780 INFO [stderr]    Compiling data-transmission v0.1.0 (/source)
Dec 14 04:33:32.276 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 04:33:32.276 INFO [stderr]  --> src/main.rs:1:1
Dec 14 04:33:32.276 INFO [stderr]   |
Dec 14 04:33:32.276 INFO [stderr] 1 | #[macro_use]
Dec 14 04:33:32.276 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 04:33:32.276 INFO [stderr]   |
Dec 14 04:33:32.276 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:33:32.276 INFO [stderr] 
Dec 14 04:33:32.276 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 14 04:33:32.276 INFO [stderr]  --> src/packet.rs:2:5
Dec 14 04:33:32.276 INFO [stderr]   |
Dec 14 04:33:32.276 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 14 04:33:32.276 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.276 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:16:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 16 |     Invalid = 0,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:17:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:18:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 18 |     Echo = 2,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:19:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 19 |     EchoReply = 3,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:20:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 20 |     Shutdown = 4,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:21:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: variant is never constructed: `Unsupported`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:22:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 22 |     Unsupported = 6,
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: associated const is never used: `MAX_COMMAND`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:26:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 26 |     const MAX_COMMAND: u16 = Command::Unsupported as u16;
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: method is never used: `try_from`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:28:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 28 |     fn try_from(c: u16) -> Result<Self, CommandValueError> {
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.411 INFO [stderr] 
Dec 14 04:33:32.411 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 14 04:33:32.411 INFO [stderr]   --> src/packet.rs:46:5
Dec 14 04:33:32.411 INFO [stderr]    |
Dec 14 04:33:32.411 INFO [stderr] 46 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>();
Dec 14 04:33:32.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:48:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 48 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:79:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 79 |     ACK     = 0,
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:80:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 80 |     NACK    = 1,
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: variant is never constructed: `DATA`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:81:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 81 |     DATA    = 2,
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: associated const is never used: `MAX_TYPE`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:85:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 85 |     const MAX_TYPE: u8 = WrapperType::DATA as u8;
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: method is never used: `try_from`
Dec 14 04:33:32.412 INFO [stderr]   --> src/packet.rs:87:5
Dec 14 04:33:32.412 INFO [stderr]    |
Dec 14 04:33:32.412 INFO [stderr] 87 |     fn try_from(c: u8) -> Result<Self, WrapperTypeValueError> {
Dec 14 04:33:32.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 14 04:33:32.412 INFO [stderr]    --> src/packet.rs:105:5
Dec 14 04:33:32.412 INFO [stderr]     |
Dec 14 04:33:32.412 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 14 04:33:32.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 14 04:33:32.412 INFO [stderr]    --> src/packet.rs:106:5
Dec 14 04:33:32.412 INFO [stderr]     |
Dec 14 04:33:32.412 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 14 04:33:32.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 14 04:33:32.412 INFO [stderr]    --> src/packet.rs:108:5
Dec 14 04:33:32.412 INFO [stderr]     |
Dec 14 04:33:32.412 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 14 04:33:32.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: method is never used: `checksum`
Dec 14 04:33:32.412 INFO [stderr]    --> src/packet.rs:134:5
Dec 14 04:33:32.412 INFO [stderr]     |
Dec 14 04:33:32.412 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 14 04:33:32.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.412 INFO [stderr] warning: function is never used: `fletcher_16`
Dec 14 04:33:32.412 INFO [stderr]  --> src/fletcher_16.rs:1:1
Dec 14 04:33:32.412 INFO [stderr]   |
Dec 14 04:33:32.412 INFO [stderr] 1 | pub fn fletcher_16(data: &[u8]) -> u16 {
Dec 14 04:33:32.412 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:32.412 INFO [stderr] 
Dec 14 04:33:32.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
Dec 14 04:33:32.754 INFO [stderr] su: No module specific data is present
Dec 14 04:33:33.375 INFO running `"docker" "inspect" "25af1a327a0d91a8e8d072b709cb8b3e28be3b57a67868fd674541947ff0dbb0"`
Dec 14 04:33:33.927 INFO running `"docker" "rm" "-f" "25af1a327a0d91a8e8d072b709cb8b3e28be3b57a67868fd674541947ff0dbb0"`
Dec 14 04:33:34.383 INFO [stdout] 25af1a327a0d91a8e8d072b709cb8b3e28be3b57a67868fd674541947ff0dbb0
Dec 14 04:33:34.436 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 04:33:34.971 INFO [stdout] 7f9925338cd528892eb5701bcecac64cace9e5755b1be4a8f9feec51e904e67a
Dec 14 04:33:34.975 INFO running `"docker" "start" "-a" "7f9925338cd528892eb5701bcecac64cace9e5755b1be4a8f9feec51e904e67a"`
Dec 14 04:33:35.858 INFO [stderr] usermod: no changes
Dec 14 04:33:35.929 INFO [stderr]    Compiling data-transmission v0.1.0 (/source)
Dec 14 04:33:36.559 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 04:33:36.559 INFO [stderr]  --> src/main.rs:1:1
Dec 14 04:33:36.559 INFO [stderr]   |
Dec 14 04:33:36.559 INFO [stderr] 1 | #[macro_use]
Dec 14 04:33:36.559 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 04:33:36.559 INFO [stderr]   |
Dec 14 04:33:36.559 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:33:36.559 INFO [stderr] 
Dec 14 04:33:36.559 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 14 04:33:36.559 INFO [stderr]  --> src/packet.rs:2:5
Dec 14 04:33:36.559 INFO [stderr]   |
Dec 14 04:33:36.559 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 14 04:33:36.559 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.559 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:16:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 16 |     Invalid = 0,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:17:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:18:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 18 |     Echo = 2,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:19:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 19 |     EchoReply = 3,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:20:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 20 |     Shutdown = 4,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:21:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:79:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 79 |     ACK     = 0,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:36.731 INFO [stderr] 
Dec 14 04:33:36.731 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 14 04:33:36.731 INFO [stderr]   --> src/packet.rs:80:5
Dec 14 04:33:36.731 INFO [stderr]    |
Dec 14 04:33:36.731 INFO [stderr] 80 |     NACK    = 1,
Dec 14 04:33:36.731 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:33:36.732 INFO [stderr] 
Dec 14 04:33:36.739 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 14 04:33:36.739 INFO [stderr]    --> src/packet.rs:105:5
Dec 14 04:33:36.739 INFO [stderr]     |
Dec 14 04:33:36.739 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 14 04:33:36.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.739 INFO [stderr] 
Dec 14 04:33:36.739 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 14 04:33:36.739 INFO [stderr]    --> src/packet.rs:106:5
Dec 14 04:33:36.739 INFO [stderr]     |
Dec 14 04:33:36.739 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 14 04:33:36.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.739 INFO [stderr] 
Dec 14 04:33:36.739 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 14 04:33:36.739 INFO [stderr]    --> src/packet.rs:108:5
Dec 14 04:33:36.739 INFO [stderr]     |
Dec 14 04:33:36.739 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 14 04:33:36.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.739 INFO [stderr] 
Dec 14 04:33:36.739 INFO [stderr] warning: method is never used: `checksum`
Dec 14 04:33:36.739 INFO [stderr]    --> src/packet.rs:134:5
Dec 14 04:33:36.739 INFO [stderr]     |
Dec 14 04:33:36.739 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 14 04:33:36.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:33:36.739 INFO [stderr] 
Dec 14 04:33:37.275 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 14 04:33:37.275 INFO [stderr] su: No module specific data is present
Dec 14 04:33:37.684 INFO running `"docker" "inspect" "7f9925338cd528892eb5701bcecac64cace9e5755b1be4a8f9feec51e904e67a"`
Dec 14 04:33:37.756 INFO running `"docker" "rm" "-f" "7f9925338cd528892eb5701bcecac64cace9e5755b1be4a8f9feec51e904e67a"`
Dec 14 04:33:37.868 INFO [stdout] 7f9925338cd528892eb5701bcecac64cace9e5755b1be4a8f9feec51e904e67a
Dec 14 04:33:37.874 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 04:33:38.151 INFO [stdout] e5fdab7d0d2956cb78a6b2d0f2fefd328e6ad90332f216564ae97b79847d98a2
Dec 14 04:33:38.155 INFO running `"docker" "start" "-a" "e5fdab7d0d2956cb78a6b2d0f2fefd328e6ad90332f216564ae97b79847d98a2"`
Dec 14 04:33:38.660 INFO [stderr] usermod: no changes
Dec 14 04:33:38.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 04:33:38.693 INFO [stderr]      Running /target/debug/deps/data_transmission-e06be8b6176b3f38
Dec 14 04:33:38.701 INFO [stdout] 
Dec 14 04:33:38.701 INFO [stdout] running 10 tests
Dec 14 04:33:38.701 INFO [stdout] test fletcher_16::test::test_vector_1 ... ok
Dec 14 04:33:38.701 INFO [stdout] test fletcher_16::test::test_vector_2 ... ok
Dec 14 04:33:38.701 INFO [stdout] test packet::test::wrapper_type_is_sane ... ok
Dec 14 04:33:38.701 INFO [stdout] test packet::test::wrapper_type_ctor_fails ... ok
Dec 14 04:33:38.701 INFO [stdout] test packet::test::packet_to_net_bytes_too_short ... ok
Dec 14 04:33:38.701 INFO [stdout] test packet::test::packet_to_net_bytes_fits ... ok
Dec 14 04:33:38.701 INFO [stdout] test fletcher_16::test::test_vector_3 ... ok
Dec 14 04:33:38.701 INFO [stdout] test packet::test::packet_to_net_bytes_correct ... ok
Dec 14 04:33:38.702 INFO [stdout] test packet::test::command_ctor_fails ... ok
Dec 14 04:33:38.702 INFO [stdout] test packet::test::command_is_sane ... ok
Dec 14 04:33:38.702 INFO [stdout] 
Dec 14 04:33:38.702 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:33:38.702 INFO [stdout] 
Dec 14 04:33:38.705 INFO [stderr] su: No module specific data is present
Dec 14 04:33:39.149 INFO running `"docker" "inspect" "e5fdab7d0d2956cb78a6b2d0f2fefd328e6ad90332f216564ae97b79847d98a2"`
Dec 14 04:33:39.433 INFO running `"docker" "rm" "-f" "e5fdab7d0d2956cb78a6b2d0f2fefd328e6ad90332f216564ae97b79847d98a2"`
Dec 14 04:33:39.545 INFO [stdout] e5fdab7d0d2956cb78a6b2d0f2fefd328e6ad90332f216564ae97b79847d98a2