[INFO] updating cached repository hajifkd/virtual_ip_host
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hajifkd/virtual_ip_host
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hajifkd/virtual_ip_host" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/hajifkd/virtual_ip_host"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/hajifkd/virtual_ip_host'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hajifkd/virtual_ip_host" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/hajifkd/virtual_ip_host"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/hajifkd/virtual_ip_host'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8aec7b2f17241cc50a7f22fc71e117bda12b65a2
[INFO] sha for GitHub repo hajifkd/virtual_ip_host: 8aec7b2f17241cc50a7f22fc71e117bda12b65a2
[INFO] validating manifest of hajifkd/virtual_ip_host on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hajifkd/virtual_ip_host on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hajifkd/virtual_ip_host
[INFO] finished frobbing hajifkd/virtual_ip_host
[INFO] frobbed toml for hajifkd/virtual_ip_host written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/hajifkd/virtual_ip_host/Cargo.toml
[INFO] started frobbing hajifkd/virtual_ip_host
[INFO] finished frobbing hajifkd/virtual_ip_host
[INFO] frobbed toml for hajifkd/virtual_ip_host written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/hajifkd/virtual_ip_host/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hajifkd/virtual_ip_host against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/hajifkd/virtual_ip_host:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ccd05b575d275de695fd56d6ddbd0e00bb53b2cf91ea31250b2a67d14a2ecc0
[INFO] running `"docker" "start" "-a" "8ccd05b575d275de695fd56d6ddbd0e00bb53b2cf91ea31250b2a67d14a2ecc0"`
[INFO] [stderr]     Checking map_struct v0.1.0
[INFO] [stderr]     Checking virtual_ip_host v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ether/driver/mod.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let payload = &data[header_length_in_byte..];
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedProtocol`
[INFO] [stderr]  --> src/ether/driver/errors.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     UnsupportedProtocol(u8),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ether/driver/mod.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let payload = &data[header_length_in_byte..];
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedProtocol`
[INFO] [stderr]  --> src/ether/driver/errors.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     UnsupportedProtocol(u8),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `"docker" "inspect" "8ccd05b575d275de695fd56d6ddbd0e00bb53b2cf91ea31250b2a67d14a2ecc0"`
[INFO] running `"docker" "rm" "-f" "8ccd05b575d275de695fd56d6ddbd0e00bb53b2cf91ea31250b2a67d14a2ecc0"`
[INFO] [stdout] 8ccd05b575d275de695fd56d6ddbd0e00bb53b2cf91ea31250b2a67d14a2ecc0