[INFO] updating cached repository AnimatedRNG/skype-vpn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AnimatedRNG/skype-vpn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AnimatedRNG/skype-vpn" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/AnimatedRNG/skype-vpn"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/AnimatedRNG/skype-vpn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AnimatedRNG/skype-vpn" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/AnimatedRNG/skype-vpn"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/AnimatedRNG/skype-vpn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd6e16e4f35cbd700f78ca450562e5b71dcd9e47
[INFO] sha for GitHub repo AnimatedRNG/skype-vpn: bd6e16e4f35cbd700f78ca450562e5b71dcd9e47
[INFO] validating manifest of AnimatedRNG/skype-vpn 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 AnimatedRNG/skype-vpn 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 AnimatedRNG/skype-vpn
[INFO] finished frobbing AnimatedRNG/skype-vpn
[INFO] frobbed toml for AnimatedRNG/skype-vpn written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/AnimatedRNG/skype-vpn/Cargo.toml
[INFO] started frobbing AnimatedRNG/skype-vpn
[INFO] finished frobbing AnimatedRNG/skype-vpn
[INFO] frobbed toml for AnimatedRNG/skype-vpn written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/AnimatedRNG/skype-vpn/Cargo.toml
[INFO] crate AnimatedRNG/skype-vpn 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 AnimatedRNG/skype-vpn against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/AnimatedRNG/skype-vpn:/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] 4729fa2de6a522dd063bb0edc335b0f10c8c3ae316346a22bc72ede12d7e0f40
[INFO] running `"docker" "start" "-a" "4729fa2de6a522dd063bb0edc335b0f10c8c3ae316346a22bc72ede12d7e0f40"`
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking skype-vpn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `server_tx`
[INFO] [stderr]    --> src/main.rs:303:10
[INFO] [stderr]     |
[INFO] [stderr] 303 |     let (server_tx, server_rx) = handle_1_1_udp(server_sock, Some(socket_addr));
[INFO] [stderr]     |          ^^^^^^^^^ help: consider prefixing with an underscore: `_server_tx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_tx`
[INFO] [stderr]    --> src/main.rs:303:10
[INFO] [stderr]     |
[INFO] [stderr] 303 |     let (server_tx, server_rx) = handle_1_1_udp(server_sock, Some(socket_addr));
[INFO] [stderr]     |          ^^^^^^^^^ help: consider prefixing with an underscore: `_server_tx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_UDP_PACKET_LEN`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const MAX_UDP_PACKET_LEN: usize = 576;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_UDP_PACKET_LEN`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const MAX_UDP_PACKET_LEN: usize = 576;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "4729fa2de6a522dd063bb0edc335b0f10c8c3ae316346a22bc72ede12d7e0f40"`
[INFO] running `"docker" "rm" "-f" "4729fa2de6a522dd063bb0edc335b0f10c8c3ae316346a22bc72ede12d7e0f40"`
[INFO] [stdout] 4729fa2de6a522dd063bb0edc335b0f10c8c3ae316346a22bc72ede12d7e0f40