Dec 17 15:48:00.181 INFO checking sebglazebrook/ping-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:48:00.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:48:00.610 INFO [stdout] d5726d8ffd09b59b84de2177a5521590e157c5adfe9941f154db2c4375065a26
Dec 17 15:48:00.620 INFO running `"docker" "start" "-a" "d5726d8ffd09b59b84de2177a5521590e157c5adfe9941f154db2c4375065a26"`
Dec 17 15:48:02.043 INFO [stderr]     Checking pnet_base v0.20.0
Dec 17 15:48:02.043 INFO [stderr]     Checking ipnetwork v0.12.7
Dec 17 15:48:02.043 INFO [stderr]    Compiling pnet v0.20.0
Dec 17 15:48:02.048 INFO [stderr]    Compiling memchr v2.0.1
Dec 17 15:48:02.048 INFO [stderr]     Checking pnet_sys v0.20.0
Dec 17 15:48:02.048 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 17 15:48:02.696 INFO [stderr]     Checking pnet_macros_support v0.20.0
Dec 17 15:48:02.776 INFO [stderr]     Checking pnet_datalink v0.20.0
Dec 17 15:48:03.152 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 17 15:48:04.556 INFO [stderr]    Compiling regex v0.2.6
Dec 17 15:48:05.437 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 17 15:48:54.892 INFO [stderr]    Compiling syntex v0.42.2
Dec 17 15:48:56.072 INFO [stderr]    Compiling pnet_macros v0.20.0
Dec 17 15:48:58.716 INFO [stderr]    Compiling pnet_packet v0.20.0
Dec 17 15:49:12.520 INFO [stderr]     Checking pnet_transport v0.20.0
Dec 17 15:49:13.149 INFO [stderr]     Checking ping-rs v0.1.0 (/opt/crater/workdir)
Dec 17 15:49:13.577 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:49:13.577 INFO [stderr]   --> src/ping/network_layer.rs:15:22
Dec 17 15:49:13.578 INFO [stderr]    |
Dec 17 15:49:13.578 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 17 15:49:13.578 INFO [stderr]    |                      ----^^
Dec 17 15:49:13.579 INFO [stderr]    |                      |
Dec 17 15:49:13.579 INFO [stderr]    |                      help: remove this `mut`
Dec 17 15:49:13.579 INFO [stderr]    |
Dec 17 15:49:13.580 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:49:13.580 INFO [stderr] 
Dec 17 15:49:13.580 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:49:13.580 INFO [stderr]   --> src/ping/network_layer.rs:15:14
Dec 17 15:49:13.581 INFO [stderr]    |
Dec 17 15:49:13.581 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 17 15:49:13.581 INFO [stderr]    |              ----^^
Dec 17 15:49:13.581 INFO [stderr]    |              |
Dec 17 15:49:13.581 INFO [stderr]    |              help: remove this `mut`
Dec 17 15:49:13.581 INFO [stderr] 
Dec 17 15:49:13.596 INFO [stderr] warning: field is never used: `interface`
Dec 17 15:49:13.596 INFO [stderr]  --> src/ping/network_layer.rs:6:5
Dec 17 15:49:13.596 INFO [stderr]   |
Dec 17 15:49:13.596 INFO [stderr] 6 |     interface: datalink::NetworkInterface,
Dec 17 15:49:13.596 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.596 INFO [stderr]   |
Dec 17 15:49:13.596 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 15:49:13.596 INFO [stderr] 
Dec 17 15:49:13.597 INFO [stderr] warning: field is never used: `receiver`
Dec 17 15:49:13.597 INFO [stderr]  --> src/ping/network_layer.rs:8:5
Dec 17 15:49:13.597 INFO [stderr]   |
Dec 17 15:49:13.597 INFO [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
Dec 17 15:49:13.597 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.597 INFO [stderr] 
Dec 17 15:49:13.612 INFO [stderr] warning: literal out of range for u8
Dec 17 15:49:13.612 INFO [stderr]   --> src/ping/ip_header.rs:31:22
Dec 17 15:49:13.612 INFO [stderr]    |
Dec 17 15:49:13.612 INFO [stderr] 31 |             version: 0x0800, // TODO correct value ??
Dec 17 15:49:13.612 INFO [stderr]    |                      ^^^^^^
Dec 17 15:49:13.612 INFO [stderr]    |
Dec 17 15:49:13.612 INFO [stderr]    = note: #[warn(overflowing_literals)] on by default
Dec 17 15:49:13.612 INFO [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
Dec 17 15:49:13.613 INFO [stderr]    = help: consider using `u16` instead
Dec 17 15:49:13.613 INFO [stderr] 
Dec 17 15:49:13.613 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:49:13.613 INFO [stderr]   --> src/ping/ip_header.rs:70:9
Dec 17 15:49:13.613 INFO [stderr]    |
Dec 17 15:49:13.613 INFO [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
Dec 17 15:49:13.613 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.613 INFO [stderr]    |
Dec 17 15:49:13.613 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:49:13.613 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:49:13.613 INFO [stderr] 
Dec 17 15:49:13.648 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:49:13.648 INFO [stderr]   --> src/ping/network_layer.rs:15:22
Dec 17 15:49:13.648 INFO [stderr]    |
Dec 17 15:49:13.648 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 17 15:49:13.649 INFO [stderr]    |                      ----^^
Dec 17 15:49:13.649 INFO [stderr]    |                      |
Dec 17 15:49:13.649 INFO [stderr]    |                      help: remove this `mut`
Dec 17 15:49:13.649 INFO [stderr]    |
Dec 17 15:49:13.649 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:49:13.649 INFO [stderr] 
Dec 17 15:49:13.649 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:49:13.649 INFO [stderr]   --> src/ping/network_layer.rs:15:14
Dec 17 15:49:13.649 INFO [stderr]    |
Dec 17 15:49:13.649 INFO [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
Dec 17 15:49:13.650 INFO [stderr]    |              ----^^
Dec 17 15:49:13.650 INFO [stderr]    |              |
Dec 17 15:49:13.650 INFO [stderr]    |              help: remove this `mut`
Dec 17 15:49:13.650 INFO [stderr] 
Dec 17 15:49:13.650 INFO [stderr] warning: field is never used: `interface`
Dec 17 15:49:13.650 INFO [stderr]  --> src/ping/network_layer.rs:6:5
Dec 17 15:49:13.650 INFO [stderr]   |
Dec 17 15:49:13.650 INFO [stderr] 6 |     interface: datalink::NetworkInterface,
Dec 17 15:49:13.650 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.650 INFO [stderr]   |
Dec 17 15:49:13.650 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 15:49:13.651 INFO [stderr] 
Dec 17 15:49:13.651 INFO [stderr] warning: field is never used: `receiver`
Dec 17 15:49:13.651 INFO [stderr]  --> src/ping/network_layer.rs:8:5
Dec 17 15:49:13.651 INFO [stderr]   |
Dec 17 15:49:13.651 INFO [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
Dec 17 15:49:13.651 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.651 INFO [stderr] 
Dec 17 15:49:13.673 INFO [stderr] warning: literal out of range for u8
Dec 17 15:49:13.673 INFO [stderr]   --> src/ping/ip_header.rs:31:22
Dec 17 15:49:13.673 INFO [stderr]    |
Dec 17 15:49:13.673 INFO [stderr] 31 |             version: 0x0800, // TODO correct value ??
Dec 17 15:49:13.673 INFO [stderr]    |                      ^^^^^^
Dec 17 15:49:13.673 INFO [stderr]    |
Dec 17 15:49:13.673 INFO [stderr]    = note: #[warn(overflowing_literals)] on by default
Dec 17 15:49:13.674 INFO [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
Dec 17 15:49:13.674 INFO [stderr]    = help: consider using `u16` instead
Dec 17 15:49:13.674 INFO [stderr] 
Dec 17 15:49:13.674 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:49:13.674 INFO [stderr]   --> src/ping/ip_header.rs:70:9
Dec 17 15:49:13.674 INFO [stderr]    |
Dec 17 15:49:13.674 INFO [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
Dec 17 15:49:13.674 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:49:13.675 INFO [stderr]    |
Dec 17 15:49:13.675 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:49:13.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:49:13.675 INFO [stderr] 
Dec 17 15:49:14.097 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
Dec 17 15:49:15.954 INFO running `"docker" "inspect" "d5726d8ffd09b59b84de2177a5521590e157c5adfe9941f154db2c4375065a26"`
Dec 17 15:49:16.248 INFO running `"docker" "rm" "-f" "d5726d8ffd09b59b84de2177a5521590e157c5adfe9941f154db2c4375065a26"`
Dec 17 15:49:16.660 INFO [stdout] d5726d8ffd09b59b84de2177a5521590e157c5adfe9941f154db2c4375065a26