Dec 06 08:27:29.137 INFO testing XOSplicer/es_uebung05_rust against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 08:27:29.137 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:27:29.362 INFO [stdout] 2e2d35216a2a01961303e2e58ea7d4c91380795007020db185928627d456fc86
Dec 06 08:27:29.366 INFO running `"docker" "start" "-a" "2e2d35216a2a01961303e2e58ea7d4c91380795007020db185928627d456fc86"`
Dec 06 08:27:30.053 INFO [stderr] usermod: no changes
Dec 06 08:27:30.120 INFO [stderr]    Compiling memchr v2.0.2
Dec 06 08:27:30.622 INFO [stderr]    Compiling nom v4.0.0
Dec 06 08:27:32.995 INFO [stderr]    Compiling data-transmission v0.1.0 (/source)
Dec 06 08:27:33.384 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 08:27:33.384 INFO [stderr]  --> src/main.rs:1:1
Dec 06 08:27:33.384 INFO [stderr]   |
Dec 06 08:27:33.384 INFO [stderr] 1 | #[macro_use]
Dec 06 08:27:33.384 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 08:27:33.384 INFO [stderr]   |
Dec 06 08:27:33.384 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:27:33.384 INFO [stderr] 
Dec 06 08:27:33.384 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 06 08:27:33.384 INFO [stderr]  --> src/packet.rs:2:5
Dec 06 08:27:33.384 INFO [stderr]   |
Dec 06 08:27:33.384 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 06 08:27:33.384 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.384 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:16:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 16 |     Invalid = 0,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:17:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:18:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 18 |     Echo = 2,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:19:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 19 |     EchoReply = 3,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:20:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 20 |     Shutdown = 4,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:21:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `Unsupported`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:22:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 22 |     Unsupported = 6,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: associated const is never used: `MAX_COMMAND`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:26:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 26 |     const MAX_COMMAND: u16 = Command::Unsupported as u16;
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: method is never used: `try_from`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:28:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 28 |     fn try_from(c: u16) -> Result<Self, CommandValueError> {
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:46:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 46 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>();
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:48:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 48 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.525 INFO [stderr] 
Dec 06 08:27:33.525 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 06 08:27:33.525 INFO [stderr]   --> src/packet.rs:79:5
Dec 06 08:27:33.525 INFO [stderr]    |
Dec 06 08:27:33.525 INFO [stderr] 79 |     ACK     = 0,
Dec 06 08:27:33.525 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 06 08:27:33.526 INFO [stderr]   --> src/packet.rs:80:5
Dec 06 08:27:33.526 INFO [stderr]    |
Dec 06 08:27:33.526 INFO [stderr] 80 |     NACK    = 1,
Dec 06 08:27:33.526 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: variant is never constructed: `DATA`
Dec 06 08:27:33.526 INFO [stderr]   --> src/packet.rs:81:5
Dec 06 08:27:33.526 INFO [stderr]    |
Dec 06 08:27:33.526 INFO [stderr] 81 |     DATA    = 2,
Dec 06 08:27:33.526 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: associated const is never used: `MAX_TYPE`
Dec 06 08:27:33.526 INFO [stderr]   --> src/packet.rs:85:5
Dec 06 08:27:33.526 INFO [stderr]    |
Dec 06 08:27:33.526 INFO [stderr] 85 |     const MAX_TYPE: u8 = WrapperType::DATA as u8;
Dec 06 08:27:33.526 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: method is never used: `try_from`
Dec 06 08:27:33.526 INFO [stderr]   --> src/packet.rs:87:5
Dec 06 08:27:33.526 INFO [stderr]    |
Dec 06 08:27:33.526 INFO [stderr] 87 |     fn try_from(c: u8) -> Result<Self, WrapperTypeValueError> {
Dec 06 08:27:33.526 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 06 08:27:33.526 INFO [stderr]    --> src/packet.rs:105:5
Dec 06 08:27:33.526 INFO [stderr]     |
Dec 06 08:27:33.526 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 06 08:27:33.526 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 06 08:27:33.526 INFO [stderr]    --> src/packet.rs:106:5
Dec 06 08:27:33.526 INFO [stderr]     |
Dec 06 08:27:33.526 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 06 08:27:33.526 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 06 08:27:33.526 INFO [stderr]    --> src/packet.rs:108:5
Dec 06 08:27:33.526 INFO [stderr]     |
Dec 06 08:27:33.526 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 06 08:27:33.526 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: method is never used: `checksum`
Dec 06 08:27:33.526 INFO [stderr]    --> src/packet.rs:134:5
Dec 06 08:27:33.526 INFO [stderr]     |
Dec 06 08:27:33.526 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 06 08:27:33.526 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.526 INFO [stderr] warning: function is never used: `fletcher_16`
Dec 06 08:27:33.526 INFO [stderr]  --> src/fletcher_16.rs:1:1
Dec 06 08:27:33.526 INFO [stderr]   |
Dec 06 08:27:33.526 INFO [stderr] 1 | pub fn fletcher_16(data: &[u8]) -> u16 {
Dec 06 08:27:33.526 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:33.526 INFO [stderr] 
Dec 06 08:27:33.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
Dec 06 08:27:33.903 INFO [stderr] su: No module specific data is present
Dec 06 08:27:34.322 INFO running `"docker" "inspect" "2e2d35216a2a01961303e2e58ea7d4c91380795007020db185928627d456fc86"`
Dec 06 08:27:34.485 INFO running `"docker" "rm" "-f" "2e2d35216a2a01961303e2e58ea7d4c91380795007020db185928627d456fc86"`
Dec 06 08:27:34.654 INFO [stdout] 2e2d35216a2a01961303e2e58ea7d4c91380795007020db185928627d456fc86
Dec 06 08:27:34.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:27:34.968 INFO [stdout] c448cefa5ba2069445dfbb4c3bbed4402694246981cc8fab8cbe9c0dbddab0e2
Dec 06 08:27:34.976 INFO running `"docker" "start" "-a" "c448cefa5ba2069445dfbb4c3bbed4402694246981cc8fab8cbe9c0dbddab0e2"`
Dec 06 08:27:35.920 INFO [stderr] usermod: no changes
Dec 06 08:27:35.959 INFO [stderr]    Compiling data-transmission v0.1.0 (/source)
Dec 06 08:27:36.468 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 08:27:36.468 INFO [stderr]  --> src/main.rs:1:1
Dec 06 08:27:36.468 INFO [stderr]   |
Dec 06 08:27:36.468 INFO [stderr] 1 | #[macro_use]
Dec 06 08:27:36.468 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 08:27:36.468 INFO [stderr]   |
Dec 06 08:27:36.468 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:27:36.468 INFO [stderr] 
Dec 06 08:27:36.468 INFO [stderr] warning: unused import: `fletcher_16::fletcher_16`
Dec 06 08:27:36.468 INFO [stderr]  --> src/packet.rs:2:5
Dec 06 08:27:36.468 INFO [stderr]   |
Dec 06 08:27:36.468 INFO [stderr] 2 | use fletcher_16::fletcher_16;
Dec 06 08:27:36.468 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.468 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `Invalid`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:16:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 16 |     Invalid = 0,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `GeneralErrorReply`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:17:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 17 |     GeneralErrorReply = 1,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `Echo`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:18:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 18 |     Echo = 2,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `EchoReply`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:19:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 19 |     EchoReply = 3,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:20:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 20 |     Shutdown = 4,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `ShutdownReply`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:21:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 21 |     ShutdownReply = 5,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `ACK`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:79:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.648 INFO [stderr] 79 |     ACK     = 0,
Dec 06 08:27:36.648 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:36.648 INFO [stderr] 
Dec 06 08:27:36.648 INFO [stderr] warning: variant is never constructed: `NACK`
Dec 06 08:27:36.648 INFO [stderr]   --> src/packet.rs:80:5
Dec 06 08:27:36.648 INFO [stderr]    |
Dec 06 08:27:36.649 INFO [stderr] 80 |     NACK    = 1,
Dec 06 08:27:36.649 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 08:27:36.649 INFO [stderr] 
Dec 06 08:27:36.649 INFO [stderr] warning: associated const is never used: `HEADER_LEN`
Dec 06 08:27:36.649 INFO [stderr]    --> src/packet.rs:105:5
Dec 06 08:27:36.649 INFO [stderr]     |
Dec 06 08:27:36.649 INFO [stderr] 105 |     const HEADER_LEN: usize = 4 * mem::size_of::<u16>() + mem::size_of::<u8>();
Dec 06 08:27:36.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.649 INFO [stderr] 
Dec 06 08:27:36.649 INFO [stderr] warning: associated const is never used: `U16_HEADER_LEN`
Dec 06 08:27:36.649 INFO [stderr]    --> src/packet.rs:106:5
Dec 06 08:27:36.649 INFO [stderr]     |
Dec 06 08:27:36.649 INFO [stderr] 106 |     const U16_HEADER_LEN: usize = Self::HEADER_LEN - mem::size_of::<u8>();
Dec 06 08:27:36.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.649 INFO [stderr] 
Dec 06 08:27:36.649 INFO [stderr] warning: method is never used: `to_net_bytes_buf`
Dec 06 08:27:36.649 INFO [stderr]    --> src/packet.rs:108:5
Dec 06 08:27:36.649 INFO [stderr]     |
Dec 06 08:27:36.649 INFO [stderr] 108 |     pub fn to_net_bytes_buf<'b>(&self, buf: &'b mut [u8]) -> Result<&'b mut [u8], BufferTooShortError> {
Dec 06 08:27:36.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.649 INFO [stderr] 
Dec 06 08:27:36.649 INFO [stderr] warning: method is never used: `checksum`
Dec 06 08:27:36.649 INFO [stderr]    --> src/packet.rs:134:5
Dec 06 08:27:36.649 INFO [stderr]     |
Dec 06 08:27:36.649 INFO [stderr] 134 |     fn checksum(&self) -> u16 {
Dec 06 08:27:36.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:27:36.649 INFO [stderr] 
Dec 06 08:27:37.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 06 08:27:37.250 INFO [stderr] su: No module specific data is present
Dec 06 08:27:38.036 INFO running `"docker" "inspect" "c448cefa5ba2069445dfbb4c3bbed4402694246981cc8fab8cbe9c0dbddab0e2"`
Dec 06 08:27:38.314 INFO running `"docker" "rm" "-f" "c448cefa5ba2069445dfbb4c3bbed4402694246981cc8fab8cbe9c0dbddab0e2"`
Dec 06 08:27:38.664 INFO [stdout] c448cefa5ba2069445dfbb4c3bbed4402694246981cc8fab8cbe9c0dbddab0e2
Dec 06 08:27:38.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:27:39.310 INFO [stdout] 458f14b8518545161c637c04fc41938dc733fa4d4f921c4a18c11e29d7f43be4
Dec 06 08:27:39.318 INFO running `"docker" "start" "-a" "458f14b8518545161c637c04fc41938dc733fa4d4f921c4a18c11e29d7f43be4"`
Dec 06 08:27:40.231 INFO [stderr] usermod: no changes
Dec 06 08:27:40.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 08:27:40.288 INFO [stderr]      Running /target/debug/deps/data_transmission-09f1e31d31e786d5
Dec 06 08:27:40.288 INFO [stdout] 
Dec 06 08:27:40.288 INFO [stdout] running 10 tests
Dec 06 08:27:40.288 INFO [stdout] test packet::test::packet_to_net_bytes_too_short ... ok
Dec 06 08:27:40.288 INFO [stdout] test packet::test::packet_to_net_bytes_fits ... ok
Dec 06 08:27:40.288 INFO [stdout] test packet::test::command_is_sane ... ok
Dec 06 08:27:40.288 INFO [stdout] test packet::test::command_ctor_fails ... ok
Dec 06 08:27:40.288 INFO [stdout] test packet::test::wrapper_type_ctor_fails ... ok
Dec 06 08:27:40.288 INFO [stdout] test fletcher_16::test::test_vector_3 ... ok
Dec 06 08:27:40.288 INFO [stdout] test packet::test::wrapper_type_is_sane ... ok
Dec 06 08:27:40.288 INFO [stdout] test fletcher_16::test::test_vector_1 ... ok
Dec 06 08:27:40.295 INFO [stdout] test fletcher_16::test::test_vector_2 ... ok
Dec 06 08:27:40.295 INFO [stdout] test packet::test::packet_to_net_bytes_correct ... ok
Dec 06 08:27:40.295 INFO [stdout] 
Dec 06 08:27:40.295 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:27:40.295 INFO [stdout] 
Dec 06 08:27:40.300 INFO [stderr] su: No module specific data is present
Dec 06 08:27:40.692 INFO running `"docker" "inspect" "458f14b8518545161c637c04fc41938dc733fa4d4f921c4a18c11e29d7f43be4"`
Dec 06 08:27:40.767 INFO running `"docker" "rm" "-f" "458f14b8518545161c637c04fc41938dc733fa4d4f921c4a18c11e29d7f43be4"`
Dec 06 08:27:40.894 INFO [stdout] 458f14b8518545161c637c04fc41938dc733fa4d4f921c4a18c11e29d7f43be4