Dec 02 23:22:30.809 INFO testing packet-0.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 23:22:30.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 23:22:31.031 INFO [stdout] cbf4f22d0d001b36babe583d6ecb18bde2371bc99994916b9233c5146e66e137
Dec 02 23:22:31.032 INFO running `"docker" "start" "-a" "cbf4f22d0d001b36babe583d6ecb18bde2371bc99994916b9233c5146e66e137"`
Dec 02 23:22:31.974 INFO [stderr] usermod: no changes
Dec 02 23:22:32.365 INFO [stderr]    Compiling hwaddr v0.1.5
Dec 02 23:22:48.543 INFO [stderr]    Compiling packet v0.1.2 (/source)
Dec 02 23:22:49.871 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 02 23:22:49.871 INFO [stderr]   --> src/ip/v4/packet.rs:43:51
Dec 02 23:22:49.871 INFO [stderr]    |
Dec 02 23:22:49.871 INFO [stderr] 43 |         size: p => (p.length() as usize).saturating_sub((p.header() as usize * 4)),
Dec 02 23:22:49.871 INFO [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 02 23:22:49.871 INFO [stderr]    |
Dec 02 23:22:49.871 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 02 23:22:49.871 INFO [stderr] 
Dec 02 23:22:49.871 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 02 23:22:49.871 INFO [stderr]   --> src/ip/v6/packet.rs:16:5
Dec 02 23:22:49.871 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 16 | use std::net::Ipv4Addr;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:17:17
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 17 | use byteorder::{ReadBytesExt, BigEndian};
Dec 02 23:22:49.872 INFO [stderr]    |                 ^^^^^^^^^^^^  ^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `size`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:20:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 20 | use size;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `ip::Protocol`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:22:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 22 | use ip::Protocol;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `ip::v4::Flags`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:23:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 23 | use ip::v4::Flags;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `ip::v4::option`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:24:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 24 | use ip::v4::option;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `ip::v4::checksum`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/packet.rs:25:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 25 | use ip::v4::checksum;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/builder.rs:15:5
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 15 | use std::io::Cursor;
Dec 02 23:22:49.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:49.872 INFO [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
Dec 02 23:22:49.872 INFO [stderr]   --> src/ip/v6/builder.rs:16:17
Dec 02 23:22:49.872 INFO [stderr]    |
Dec 02 23:22:49.872 INFO [stderr] 16 | use byteorder::{WriteBytesExt, BigEndian};
Dec 02 23:22:49.872 INFO [stderr]    |                 ^^^^^^^^^^^^^  ^^^^^^^^^
Dec 02 23:22:49.872 INFO [stderr] 
Dec 02 23:22:51.095 INFO [stderr] warning: unused variable: `packet`
Dec 02 23:22:51.095 INFO [stderr]   --> src/tcp/mod.rs:53:22
Dec 02 23:22:51.095 INFO [stderr]    |
Dec 02 23:22:51.095 INFO [stderr] 53 |         ip::Packet::V6(ref packet) => {
Dec 02 23:22:51.095 INFO [stderr]    |                            ^^^^^^ help: consider using `_packet` instead
Dec 02 23:22:51.095 INFO [stderr]    |
Dec 02 23:22:51.095 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 23:22:51.095 INFO [stderr] 
Dec 02 23:22:51.095 INFO [stderr] warning: unused variable: `packet`
Dec 02 23:22:51.095 INFO [stderr]   --> src/udp/mod.rs:45:22
Dec 02 23:22:51.095 INFO [stderr]    |
Dec 02 23:22:51.095 INFO [stderr] 45 |         ip::Packet::V6(ref packet) => {
Dec 02 23:22:51.095 INFO [stderr]    |                            ^^^^^^ help: consider using `_packet` instead
Dec 02 23:22:51.095 INFO [stderr] 
Dec 02 23:22:51.247 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:51.247 INFO [stderr]    --> src/ip/v4/packet.rs:173:7
Dec 02 23:22:51.247 INFO [stderr]     |
Dec 02 23:22:51.247 INFO [stderr] 173 |         let mut buffer = self.buffer.as_mut();
Dec 02 23:22:51.247 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:51.247 INFO [stderr]     |             |
Dec 02 23:22:51.247 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:51.247 INFO [stderr]     |
Dec 02 23:22:51.247 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 02 23:22:51.247 INFO [stderr] 
Dec 02 23:22:51.247 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:51.247 INFO [stderr]    --> src/ip/v4/packet.rs:174:7
Dec 02 23:22:51.247 INFO [stderr]     |
Dec 02 23:22:51.247 INFO [stderr] 174 |         let mut buffer = if buffer.len() < header + payload {
Dec 02 23:22:51.247 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:51.247 INFO [stderr]     |             |
Dec 02 23:22:51.247 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:51.247 INFO [stderr] 
Dec 02 23:22:51.471 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:51.471 INFO [stderr]    --> src/udp/packet.rs:154:7
Dec 02 23:22:51.471 INFO [stderr]     |
Dec 02 23:22:51.471 INFO [stderr] 154 |         let mut buffer = self.buffer.as_mut();
Dec 02 23:22:51.471 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:51.471 INFO [stderr]     |             |
Dec 02 23:22:51.471 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:51.471 INFO [stderr] 
Dec 02 23:22:51.471 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:51.471 INFO [stderr]    --> src/udp/packet.rs:155:7
Dec 02 23:22:51.471 INFO [stderr]     |
Dec 02 23:22:51.471 INFO [stderr] 155 |         let mut buffer = if buffer.len() < header + payload {
Dec 02 23:22:51.471 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:51.471 INFO [stderr]     |             |
Dec 02 23:22:51.471 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:51.471 INFO [stderr] 
Dec 02 23:22:51.555 INFO [stderr] warning: field is never used: `buffer`
Dec 02 23:22:51.555 INFO [stderr]   --> src/ip/v6/builder.rs:24:2
Dec 02 23:22:51.555 INFO [stderr]    |
Dec 02 23:22:51.555 INFO [stderr] 24 |     buffer:    B,
Dec 02 23:22:51.555 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 02 23:22:51.555 INFO [stderr]    |
Dec 02 23:22:51.555 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 23:22:51.555 INFO [stderr] 
Dec 02 23:22:52.363 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
Dec 02 23:22:52.391 INFO [stderr] su: No module specific data is present
Dec 02 23:22:53.124 INFO running `"docker" "inspect" "cbf4f22d0d001b36babe583d6ecb18bde2371bc99994916b9233c5146e66e137"`
Dec 02 23:22:53.307 INFO running `"docker" "rm" "-f" "cbf4f22d0d001b36babe583d6ecb18bde2371bc99994916b9233c5146e66e137"`
Dec 02 23:22:53.673 INFO [stdout] cbf4f22d0d001b36babe583d6ecb18bde2371bc99994916b9233c5146e66e137
Dec 02 23:22:53.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 23:22:54.268 INFO [stdout] 04801407d6f2c87789b5c02fe0537877a3f803e26f8cd0504e238f033edb0b2d
Dec 02 23:22:54.270 INFO running `"docker" "start" "-a" "04801407d6f2c87789b5c02fe0537877a3f803e26f8cd0504e238f033edb0b2d"`
Dec 02 23:22:56.125 INFO [stderr] usermod: no changes
Dec 02 23:22:56.491 INFO [stderr]    Compiling packet v0.1.2 (/source)
Dec 02 23:22:58.150 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 02 23:22:58.150 INFO [stderr]   --> src/ip/v4/packet.rs:43:51
Dec 02 23:22:58.150 INFO [stderr]    |
Dec 02 23:22:58.150 INFO [stderr] 43 |         size: p => (p.length() as usize).saturating_sub((p.header() as usize * 4)),
Dec 02 23:22:58.150 INFO [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 02 23:22:58.151 INFO [stderr]    |
Dec 02 23:22:58.151 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 02 23:22:58.151 INFO [stderr] 
Dec 02 23:22:58.153 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 02 23:22:58.153 INFO [stderr]   --> src/ip/v6/packet.rs:16:5
Dec 02 23:22:58.154 INFO [stderr]    |
Dec 02 23:22:58.154 INFO [stderr] 16 | use std::net::Ipv4Addr;
Dec 02 23:22:58.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 23:22:58.154 INFO [stderr]    |
Dec 02 23:22:58.171 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 02 23:22:58.171 INFO [stderr] 
Dec 02 23:22:58.171 INFO [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`
Dec 02 23:22:58.171 INFO [stderr]   --> src/ip/v6/packet.rs:17:17
Dec 02 23:22:58.172 INFO [stderr]    |
Dec 02 23:22:58.172 INFO [stderr] 17 | use byteorder::{ReadBytesExt, BigEndian};
Dec 02 23:22:58.172 INFO [stderr]    |                 ^^^^^^^^^^^^  ^^^^^^^^^
Dec 02 23:22:58.172 INFO [stderr] 
Dec 02 23:22:58.172 INFO [stderr] warning: unused import: `size`
Dec 02 23:22:58.173 INFO [stderr]   --> src/ip/v6/packet.rs:20:5
Dec 02 23:22:58.173 INFO [stderr]    |
Dec 02 23:22:58.173 INFO [stderr] 20 | use size;
Dec 02 23:22:58.173 INFO [stderr]    |     ^^^^
Dec 02 23:22:58.173 INFO [stderr] 
Dec 02 23:22:58.173 INFO [stderr] warning: unused import: `ip::Protocol`
Dec 02 23:22:58.173 INFO [stderr]   --> src/ip/v6/packet.rs:22:5
Dec 02 23:22:58.174 INFO [stderr]    |
Dec 02 23:22:58.174 INFO [stderr] 22 | use ip::Protocol;
Dec 02 23:22:58.174 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 02 23:22:58.174 INFO [stderr] 
Dec 02 23:22:58.174 INFO [stderr] warning: unused import: `ip::v4::Flags`
Dec 02 23:22:58.175 INFO [stderr]   --> src/ip/v6/packet.rs:23:5
Dec 02 23:22:58.175 INFO [stderr]    |
Dec 02 23:22:58.175 INFO [stderr] 23 | use ip::v4::Flags;
Dec 02 23:22:58.175 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 02 23:22:58.175 INFO [stderr] 
Dec 02 23:22:58.175 INFO [stderr] warning: unused import: `ip::v4::option`
Dec 02 23:22:58.176 INFO [stderr]   --> src/ip/v6/packet.rs:24:5
Dec 02 23:22:58.176 INFO [stderr]    |
Dec 02 23:22:58.176 INFO [stderr] 24 | use ip::v4::option;
Dec 02 23:22:58.176 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 02 23:22:58.176 INFO [stderr] 
Dec 02 23:22:58.176 INFO [stderr] warning: unused import: `ip::v4::checksum`
Dec 02 23:22:58.176 INFO [stderr]   --> src/ip/v6/packet.rs:25:5
Dec 02 23:22:58.177 INFO [stderr]    |
Dec 02 23:22:58.177 INFO [stderr] 25 | use ip::v4::checksum;
Dec 02 23:22:58.177 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 02 23:22:58.177 INFO [stderr] 
Dec 02 23:22:58.177 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 02 23:22:58.177 INFO [stderr]   --> src/ip/v6/builder.rs:15:5
Dec 02 23:22:58.178 INFO [stderr]    |
Dec 02 23:22:58.178 INFO [stderr] 15 | use std::io::Cursor;
Dec 02 23:22:58.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 02 23:22:58.178 INFO [stderr] 
Dec 02 23:22:58.178 INFO [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
Dec 02 23:22:58.178 INFO [stderr]   --> src/ip/v6/builder.rs:16:17
Dec 02 23:22:58.179 INFO [stderr]    |
Dec 02 23:22:58.179 INFO [stderr] 16 | use byteorder::{WriteBytesExt, BigEndian};
Dec 02 23:22:58.179 INFO [stderr]    |                 ^^^^^^^^^^^^^  ^^^^^^^^^
Dec 02 23:22:58.179 INFO [stderr] 
Dec 02 23:22:59.422 INFO [stderr] warning: unused variable: `packet`
Dec 02 23:22:59.422 INFO [stderr]   --> src/tcp/mod.rs:53:22
Dec 02 23:22:59.422 INFO [stderr]    |
Dec 02 23:22:59.423 INFO [stderr] 53 |         ip::Packet::V6(ref packet) => {
Dec 02 23:22:59.423 INFO [stderr]    |                            ^^^^^^ help: consider using `_packet` instead
Dec 02 23:22:59.423 INFO [stderr]    |
Dec 02 23:22:59.423 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 23:22:59.423 INFO [stderr] 
Dec 02 23:22:59.423 INFO [stderr] warning: unused variable: `packet`
Dec 02 23:22:59.423 INFO [stderr]   --> src/udp/mod.rs:45:22
Dec 02 23:22:59.423 INFO [stderr]    |
Dec 02 23:22:59.423 INFO [stderr] 45 |         ip::Packet::V6(ref packet) => {
Dec 02 23:22:59.423 INFO [stderr]    |                            ^^^^^^ help: consider using `_packet` instead
Dec 02 23:22:59.423 INFO [stderr] 
Dec 02 23:22:59.545 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.546 INFO [stderr]    --> src/ip/v4/packet.rs:173:7
Dec 02 23:22:59.546 INFO [stderr]     |
Dec 02 23:22:59.546 INFO [stderr] 173 |         let mut buffer = self.buffer.as_mut();
Dec 02 23:22:59.546 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:59.546 INFO [stderr]     |             |
Dec 02 23:22:59.546 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:59.546 INFO [stderr]     |
Dec 02 23:22:59.546 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 02 23:22:59.546 INFO [stderr] 
Dec 02 23:22:59.546 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.546 INFO [stderr]    --> src/ip/v4/packet.rs:174:7
Dec 02 23:22:59.546 INFO [stderr]     |
Dec 02 23:22:59.546 INFO [stderr] 174 |         let mut buffer = if buffer.len() < header + payload {
Dec 02 23:22:59.546 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:59.546 INFO [stderr]     |             |
Dec 02 23:22:59.546 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:59.546 INFO [stderr] 
Dec 02 23:22:59.734 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.734 INFO [stderr]    --> src/tcp/packet.rs:427:12
Dec 02 23:22:59.734 INFO [stderr]     |
Dec 02 23:22:59.734 INFO [stderr] 427 |         let (ip, mut tcp) = ip.split_mut();
Dec 02 23:22:59.734 INFO [stderr]     |                  ----^^^
Dec 02 23:22:59.734 INFO [stderr]     |                  |
Dec 02 23:22:59.734 INFO [stderr]     |                  help: remove this `mut`
Dec 02 23:22:59.734 INFO [stderr] 
Dec 02 23:22:59.766 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.766 INFO [stderr]    --> src/udp/packet.rs:154:7
Dec 02 23:22:59.766 INFO [stderr]     |
Dec 02 23:22:59.766 INFO [stderr] 154 |         let mut buffer = self.buffer.as_mut();
Dec 02 23:22:59.766 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:59.766 INFO [stderr]     |             |
Dec 02 23:22:59.767 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:59.767 INFO [stderr] 
Dec 02 23:22:59.767 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.767 INFO [stderr]    --> src/udp/packet.rs:155:7
Dec 02 23:22:59.767 INFO [stderr]     |
Dec 02 23:22:59.767 INFO [stderr] 155 |         let mut buffer = if buffer.len() < header + payload {
Dec 02 23:22:59.767 INFO [stderr]     |             ----^^^^^^
Dec 02 23:22:59.767 INFO [stderr]     |             |
Dec 02 23:22:59.767 INFO [stderr]     |             help: remove this `mut`
Dec 02 23:22:59.767 INFO [stderr] 
Dec 02 23:22:59.783 INFO [stderr] warning: variable does not need to be mutable
Dec 02 23:22:59.783 INFO [stderr]    --> src/udp/packet.rs:316:12
Dec 02 23:22:59.783 INFO [stderr]     |
Dec 02 23:22:59.783 INFO [stderr] 316 |         let (ip, mut udp) = ip.split_mut();
Dec 02 23:22:59.783 INFO [stderr]     |                  ----^^^
Dec 02 23:22:59.783 INFO [stderr]     |                  |
Dec 02 23:22:59.783 INFO [stderr]     |                  help: remove this `mut`
Dec 02 23:22:59.783 INFO [stderr] 
Dec 02 23:22:59.858 INFO [stderr] warning: field is never used: `buffer`
Dec 02 23:22:59.858 INFO [stderr]   --> src/ip/v6/builder.rs:24:2
Dec 02 23:22:59.858 INFO [stderr]    |
Dec 02 23:22:59.858 INFO [stderr] 24 |     buffer:    B,
Dec 02 23:22:59.858 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 02 23:22:59.858 INFO [stderr]    |
Dec 02 23:22:59.858 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 23:22:59.858 INFO [stderr] 
Dec 02 23:23:01.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
Dec 02 23:23:01.827 INFO [stderr] su: No module specific data is present
Dec 02 23:23:02.729 INFO running `"docker" "inspect" "04801407d6f2c87789b5c02fe0537877a3f803e26f8cd0504e238f033edb0b2d"`
Dec 02 23:23:03.097 INFO running `"docker" "rm" "-f" "04801407d6f2c87789b5c02fe0537877a3f803e26f8cd0504e238f033edb0b2d"`
Dec 02 23:23:03.307 INFO [stdout] 04801407d6f2c87789b5c02fe0537877a3f803e26f8cd0504e238f033edb0b2d
Dec 02 23:23:03.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 23:23:03.671 INFO [stdout] 166687510c4600e75b6cbdb6eb27836a5bb62a061c85c56bb60ddae1ee03be32
Dec 02 23:23:03.677 INFO running `"docker" "start" "-a" "166687510c4600e75b6cbdb6eb27836a5bb62a061c85c56bb60ddae1ee03be32"`
Dec 02 23:23:05.199 INFO [stderr] usermod: no changes
Dec 02 23:23:05.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
Dec 02 23:23:05.439 INFO [stderr]      Running /target/debug/deps/packet-4276bfe526812321
Dec 02 23:23:05.447 INFO [stdout] 
Dec 02 23:23:05.447 INFO [stdout] running 18 tests
Dec 02 23:23:05.471 INFO [stdout] test ether::builder::test::simple ... ok
Dec 02 23:23:05.471 INFO [stdout] test icmp::builder::test::simple ... ok
Dec 02 23:23:05.471 INFO [stdout] test ether::packet::test::values ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::packet::test::mutable_checked ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::builder::test::icmp ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::packet::test::values ... ok
Dec 02 23:23:05.471 INFO [stdout] test tcp::builder::test::simple ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::builder::test::tcp ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::packet::test::mutable ... ok
Dec 02 23:23:05.471 INFO [stdout] test ip::v4::packet::test::owned ... ok
Dec 02 23:23:05.475 INFO [stdout] test tcp::packet::test::mutable ... ok
Dec 02 23:23:05.475 INFO [stdout] test tcp::packet::test::mutable_checked ... ok
Dec 02 23:23:05.475 INFO [stdout] test udp::builder::test::simple ... ok
Dec 02 23:23:05.475 INFO [stdout] test tcp::packet::test::values ... ok
Dec 02 23:23:05.475 INFO [stdout] test udp::packet::test::mutable_checked ... ok
Dec 02 23:23:05.475 INFO [stdout] test udp::packet::test::mutable ... ok
Dec 02 23:23:05.475 INFO [stdout] test udp::packet::test::values ... ok
Dec 02 23:23:05.615 INFO [stdout] test ip::v4::packet::test::short_packet ... ok
Dec 02 23:23:05.615 INFO [stdout] 
Dec 02 23:23:05.615 INFO [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 23:23:05.615 INFO [stdout] 
Dec 02 23:23:05.627 INFO [stderr]    Doc-tests packet
Dec 02 23:23:07.823 INFO [stdout] 
Dec 02 23:23:07.823 INFO [stdout] running 3 tests
Dec 02 23:23:13.479 INFO [stdout] test src/packet.rs - packet::AsPacketMut (line 71) ... ok
Dec 02 23:23:14.102 INFO [stdout] test src/buffer/mod.rs - buffer::Buffer (line 25) ... ok
Dec 02 23:23:14.395 INFO [stdout] test src/packet.rs - packet::AsPacket (line 53) ... ok
Dec 02 23:23:14.396 INFO [stdout] 
Dec 02 23:23:14.396 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 23:23:14.396 INFO [stdout] 
Dec 02 23:23:14.418 INFO [stderr] su: No module specific data is present
Dec 02 23:23:15.233 INFO running `"docker" "inspect" "166687510c4600e75b6cbdb6eb27836a5bb62a061c85c56bb60ddae1ee03be32"`
Dec 02 23:23:15.541 INFO running `"docker" "rm" "-f" "166687510c4600e75b6cbdb6eb27836a5bb62a061c85c56bb60ddae1ee03be32"`
Dec 02 23:23:15.855 INFO [stdout] 166687510c4600e75b6cbdb6eb27836a5bb62a061c85c56bb60ddae1ee03be32
