[INFO] updating cached repository realityone/rsping
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/realityone/rsping
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/realityone/rsping" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/realityone/rsping"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/realityone/rsping'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/realityone/rsping" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/realityone/rsping"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/realityone/rsping'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 212a3c858d89d379cb221eb96fcadcb14efc12b5
[INFO] sha for GitHub repo realityone/rsping: 212a3c858d89d379cb221eb96fcadcb14efc12b5
[INFO] validating manifest of realityone/rsping on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of realityone/rsping on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing realityone/rsping
[INFO] finished frobbing realityone/rsping
[INFO] frobbed toml for realityone/rsping written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/realityone/rsping/Cargo.toml
[INFO] started frobbing realityone/rsping
[INFO] finished frobbing realityone/rsping
[INFO] frobbed toml for realityone/rsping written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/realityone/rsping/Cargo.toml
[INFO] crate realityone/rsping already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking realityone/rsping against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/realityone/rsping:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 252b38f916a1c48db18fe65dacf519eb0225b177dda5a4b04568e3072eb9767c
[INFO] running `"docker" "start" "-a" "252b38f916a1c48db18fe65dacf519eb0225b177dda5a4b04568e3072eb9767c"`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]     Checking ipnetwork v0.12.7
[INFO] [stderr]     Checking pnet_macros_support v0.2.0
[INFO] [stderr]     Checking syntex_pos v0.42.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.15
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.15.0
[INFO] [stderr]    Compiling pnet v0.19.0
[INFO] [stderr]     Checking rsping v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     errors {
[INFO] [stderr] 3  | |         BuildPacketError
[INFO] [stderr] 4  | |         ParsePacketError
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     errors {
[INFO] [stderr] 3  | |         BuildPacketError
[INFO] [stderr] 4  | |         ParsePacketError
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     errors {
[INFO] [stderr] 3  | |         BuildPacketError
[INFO] [stderr] 4  | |         ParsePacketError
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     errors {
[INFO] [stderr] 3  | |         BuildPacketError
[INFO] [stderr] 4  | |         ParsePacketError
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]   --> src/ping/icmp.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute<'a>(app: &ArgMatches<'a>) {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_app`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default_ifname`
[INFO] [stderr]    --> src/ping/arp.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let default_ifname = "eth0";
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_ifname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]   --> src/ping/tcp.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute<'a>(app: &ArgMatches<'a>) {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_app`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]   --> src/ping/icmp.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute<'a>(app: &ArgMatches<'a>) {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_app`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default_ifname`
[INFO] [stderr]    --> src/ping/arp.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let default_ifname = "eth0";
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_ifname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]   --> src/ping/tcp.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute<'a>(app: &ArgMatches<'a>) {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_app`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "252b38f916a1c48db18fe65dacf519eb0225b177dda5a4b04568e3072eb9767c"`
[INFO] running `"docker" "rm" "-f" "252b38f916a1c48db18fe65dacf519eb0225b177dda5a4b04568e3072eb9767c"`
[INFO] [stdout] 252b38f916a1c48db18fe65dacf519eb0225b177dda5a4b04568e3072eb9767c