[INFO] updating cached repository sebglazebrook/ping-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sebglazebrook/ping-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sebglazebrook/ping-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/sebglazebrook/ping-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/sebglazebrook/ping-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sebglazebrook/ping-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/sebglazebrook/ping-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/sebglazebrook/ping-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4208ffff37cdfcdf8671ef369f10e4d498c79b8
[INFO] sha for GitHub repo sebglazebrook/ping-rs: b4208ffff37cdfcdf8671ef369f10e4d498c79b8
[INFO] validating manifest of sebglazebrook/ping-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sebglazebrook/ping-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sebglazebrook/ping-rs
[INFO] finished frobbing sebglazebrook/ping-rs
[INFO] frobbed toml for sebglazebrook/ping-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/sebglazebrook/ping-rs/Cargo.toml
[INFO] started frobbing sebglazebrook/ping-rs
[INFO] finished frobbing sebglazebrook/ping-rs
[INFO] frobbed toml for sebglazebrook/ping-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/sebglazebrook/ping-rs/Cargo.toml
[INFO] crate sebglazebrook/ping-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sebglazebrook/ping-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ed2363bbedb80dc54938defc6fc1c1f19b25f393831fd72a83d6ece0205e22a
[INFO] running `"docker" "start" "-a" "3ed2363bbedb80dc54938defc6fc1c1f19b25f393831fd72a83d6ece0205e22a"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling pnet v0.20.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.20.0
[INFO] [stderr]     Checking pnet_sys v0.20.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]     Checking pnet_datalink v0.20.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.20.0
[INFO] [stderr]    Compiling pnet_packet v0.20.0
[INFO] [stderr]     Checking pnet_transport v0.20.0
[INFO] [stderr]     Checking ping-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ping/network_layer.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stderr]    |                      ----^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ping/network_layer.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stderr]    |              ----^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `interface`
[INFO] [stderr]  --> src/ping/network_layer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     interface: datalink::NetworkInterface,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `receiver`
[INFO] [stderr]  --> src/ping/network_layer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ping/network_layer.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stderr]    |                      ----^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ping/network_layer.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stderr]    |              ----^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: literal out of range for u8
[INFO] [stderr]   --> src/ping/ip_header.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |             version: 0x0800, // TODO correct value ??
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(overflowing_literals)] on by default
[INFO] [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
[INFO] [stderr]    = help: consider using `u16` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ping/ip_header.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `interface`
[INFO] [stderr]  --> src/ping/network_layer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     interface: datalink::NetworkInterface,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `receiver`
[INFO] [stderr]  --> src/ping/network_layer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     receiver: Box<datalink::DataLinkReceiver>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ping-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: literal out of range for u8
[INFO] [stderr]   --> src/ping/ip_header.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |             version: 0x0800, // TODO correct value ??
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(overflowing_literals)] on by default
[INFO] [stderr]    = note: the literal `0x0800` (decimal `2048`) does not fit into an `u8` and will become `0u8`
[INFO] [stderr]    = help: consider using `u16` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ping/ip_header.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ping-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3ed2363bbedb80dc54938defc6fc1c1f19b25f393831fd72a83d6ece0205e22a"`
[INFO] running `"docker" "rm" "-f" "3ed2363bbedb80dc54938defc6fc1c1f19b25f393831fd72a83d6ece0205e22a"`
[INFO] [stdout] 3ed2363bbedb80dc54938defc6fc1c1f19b25f393831fd72a83d6ece0205e22a