Dec 19 09:08:58.364 INFO checking sebglazebrook/ping-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:08:58.364 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/sebglazebrook/ping-rs:/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 09:08:58.890 INFO [stdout] 224f88aaac0e9de7e3385d1957593d154314e26f9339d631cc71e643c9e8cc3c
Dec 19 09:08:58.896 INFO running `"docker" "start" "-a" "224f88aaac0e9de7e3385d1957593d154314e26f9339d631cc71e643c9e8cc3c"`
Dec 19 09:09:00.420 INFO [stderr]    Compiling regex-syntax v0.4.2
Dec 19 09:09:00.420 INFO [stderr]     Checking pnet_base v0.20.0
Dec 19 09:09:00.420 INFO [stderr]     Checking ipnetwork v0.12.7
Dec 19 09:09:00.432 INFO [stderr]    Compiling pnet v0.20.0
Dec 19 09:09:00.440 INFO [stderr]    Compiling memchr v2.0.1
Dec 19 09:09:00.440 INFO [stderr]     Checking pnet_sys v0.20.0
Dec 19 09:09:00.440 INFO [stderr]    Compiling thread_local v0.3.5
Dec 19 09:09:00.440 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 19 09:09:01.354 INFO [stderr]     Checking pnet_macros_support v0.20.0
Dec 19 09:09:01.692 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 19 09:09:02.255 INFO [stderr]     Checking pnet_datalink v0.20.0
Dec 19 09:09:05.010 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 19 09:09:10.740 INFO [stderr]    Compiling regex v0.2.6
Dec 19 09:10:00.527 INFO [stderr]    Compiling syntex v0.42.2
Dec 19 09:10:01.468 INFO [stderr]    Compiling pnet_macros v0.20.0
Dec 19 09:10:03.761 INFO [stderr]    Compiling pnet_packet v0.20.0
Dec 19 09:10:16.285 INFO [stderr]     Checking pnet_transport v0.20.0
Dec 19 09:10:16.838 INFO [stderr]     Checking ping-rs v0.1.0 (/opt/crater/workdir)
Dec 19 09:10:17.257 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:10:17.257 INFO [stderr]   --> src/ping/network_layer.rs:15:22
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 19 09:10:17.257 INFO [stderr]    |                      ----^^
Dec 19 09:10:17.257 INFO [stderr]    |                      |
Dec 19 09:10:17.257 INFO [stderr]    |                      help: remove this `mut`
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:10:17.257 INFO [stderr] 
Dec 19 09:10:17.257 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:10:17.257 INFO [stderr]   --> src/ping/network_layer.rs:15:14
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 19 09:10:17.257 INFO [stderr]    |              ----^^
Dec 19 09:10:17.257 INFO [stderr]    |              |
Dec 19 09:10:17.257 INFO [stderr]    |              help: remove this `mut`
Dec 19 09:10:17.257 INFO [stderr] 
Dec 19 09:10:17.257 INFO [stderr] warning: field is never used: `interface`
Dec 19 09:10:17.257 INFO [stderr]  --> src/ping/network_layer.rs:6:5
Dec 19 09:10:17.257 INFO [stderr]   |
Dec 19 09:10:17.257 INFO [stderr] 6 |     interface: datalink::NetworkInterface,
Dec 19 09:10:17.257 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.257 INFO [stderr]   |
Dec 19 09:10:17.257 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:10:17.257 INFO [stderr] 
Dec 19 09:10:17.257 INFO [stderr] warning: field is never used: `receiver`
Dec 19 09:10:17.257 INFO [stderr]  --> src/ping/network_layer.rs:8:5
Dec 19 09:10:17.257 INFO [stderr]   |
Dec 19 09:10:17.257 INFO [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
Dec 19 09:10:17.257 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.257 INFO [stderr] 
Dec 19 09:10:17.257 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:10:17.257 INFO [stderr]   --> src/ping/network_layer.rs:15:22
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 19 09:10:17.257 INFO [stderr]    |                      ----^^
Dec 19 09:10:17.257 INFO [stderr]    |                      |
Dec 19 09:10:17.257 INFO [stderr]    |                      help: remove this `mut`
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:10:17.257 INFO [stderr] 
Dec 19 09:10:17.257 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:10:17.257 INFO [stderr]   --> src/ping/network_layer.rs:15:14
Dec 19 09:10:17.257 INFO [stderr]    |
Dec 19 09:10:17.257 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 19 09:10:17.257 INFO [stderr]    |              ----^^
Dec 19 09:10:17.257 INFO [stderr]    |              |
Dec 19 09:10:17.258 INFO [stderr]    |              help: remove this `mut`
Dec 19 09:10:17.258 INFO [stderr] 
Dec 19 09:10:17.258 INFO [stderr] warning: literal out of range for u8
Dec 19 09:10:17.258 INFO [stderr]   --> src/ping/ip_header.rs:31:22
Dec 19 09:10:17.258 INFO [stderr]    |
Dec 19 09:10:17.258 INFO [stderr] 31 |             version: 0x0800, // TODO correct value ??
Dec 19 09:10:17.258 INFO [stderr]    |                      ^^^^^^
Dec 19 09:10:17.258 INFO [stderr]    |
Dec 19 09:10:17.258 INFO [stderr]    = note: #[warn(overflowing_literals)] on by default
Dec 19 09:10:17.258 INFO [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
Dec 19 09:10:17.258 INFO [stderr]    = help: consider using `u16` instead
Dec 19 09:10:17.258 INFO [stderr] 
Dec 19 09:10:17.258 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:10:17.258 INFO [stderr]   --> src/ping/ip_header.rs:70:9
Dec 19 09:10:17.258 INFO [stderr]    |
Dec 19 09:10:17.258 INFO [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
Dec 19 09:10:17.258 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.258 INFO [stderr]    |
Dec 19 09:10:17.258 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 09:10:17.258 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:10:17.258 INFO [stderr] 
Dec 19 09:10:17.268 INFO [stderr] warning: field is never used: `interface`
Dec 19 09:10:17.268 INFO [stderr]  --> src/ping/network_layer.rs:6:5
Dec 19 09:10:17.268 INFO [stderr]   |
Dec 19 09:10:17.268 INFO [stderr] 6 |     interface: datalink::NetworkInterface,
Dec 19 09:10:17.268 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.268 INFO [stderr]   |
Dec 19 09:10:17.268 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:10:17.268 INFO [stderr] 
Dec 19 09:10:17.272 INFO [stderr] warning: field is never used: `receiver`
Dec 19 09:10:17.272 INFO [stderr]  --> src/ping/network_layer.rs:8:5
Dec 19 09:10:17.272 INFO [stderr]   |
Dec 19 09:10:17.272 INFO [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
Dec 19 09:10:17.272 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.272 INFO [stderr] 
Dec 19 09:10:17.300 INFO [stderr] warning: literal out of range for u8
Dec 19 09:10:17.300 INFO [stderr]   --> src/ping/ip_header.rs:31:22
Dec 19 09:10:17.300 INFO [stderr]    |
Dec 19 09:10:17.300 INFO [stderr] 31 |             version: 0x0800, // TODO correct value ??
Dec 19 09:10:17.300 INFO [stderr]    |                      ^^^^^^
Dec 19 09:10:17.300 INFO [stderr]    |
Dec 19 09:10:17.300 INFO [stderr]    = note: #[warn(overflowing_literals)] on by default
Dec 19 09:10:17.300 INFO [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
Dec 19 09:10:17.300 INFO [stderr]    = help: consider using `u16` instead
Dec 19 09:10:17.300 INFO [stderr] 
Dec 19 09:10:17.327 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:10:17.327 INFO [stderr]   --> src/ping/ip_header.rs:70:9
Dec 19 09:10:17.327 INFO [stderr]    |
Dec 19 09:10:17.327 INFO [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
Dec 19 09:10:17.327 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:10:17.327 INFO [stderr]    |
Dec 19 09:10:17.327 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 09:10:17.327 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:10:17.327 INFO [stderr] 
Dec 19 09:10:17.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
Dec 19 09:10:18.695 INFO running `"docker" "inspect" "224f88aaac0e9de7e3385d1957593d154314e26f9339d631cc71e643c9e8cc3c"`
Dec 19 09:10:18.988 INFO running `"docker" "rm" "-f" "224f88aaac0e9de7e3385d1957593d154314e26f9339d631cc71e643c9e8cc3c"`
Dec 19 09:10:19.424 INFO [stdout] 224f88aaac0e9de7e3385d1957593d154314e26f9339d631cc71e643c9e8cc3c