[INFO] updating cached repository Givup/tick_tack_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Givup/tick_tack_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Givup/tick_tack_rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Givup/tick_tack_rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Givup/tick_tack_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Givup/tick_tack_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a3d5f766d0b8687e9e4a4409f0ed79fe230e925
[INFO] sha for GitHub repo Givup/tick_tack_rust: 0a3d5f766d0b8687e9e4a4409f0ed79fe230e925
[INFO] validating manifest of Givup/tick_tack_rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Givup/tick_tack_rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Givup/tick_tack_rust
[INFO] finished frobbing Givup/tick_tack_rust
[INFO] frobbed toml for Givup/tick_tack_rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust/Cargo.toml
[INFO] started frobbing Givup/tick_tack_rust
[INFO] finished frobbing Givup/tick_tack_rust
[INFO] frobbed toml for Givup/tick_tack_rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Givup/tick_tack_rust/Cargo.toml
[INFO] crate Givup/tick_tack_rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Givup/tick_tack_rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 045af489f225adf6d8660382e8c2745f99d1a0a6916f7dc054c8488257b14275
[INFO] running `"docker" "start" "-a" "045af489f225adf6d8660382e8c2745f99d1a0a6916f7dc054c8488257b14275"`
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling tick_tack_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/game.rs:45:14
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if let Ok((size, addr)) = self.socket.recv_from(&mut buffer) {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> src/game.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 if let Ok(packet_size) = self.socket.recv(&mut buffer) {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_packet_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:57:7
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut socket = UdpSocket::bind("localhost:0").unwrap();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 23.71s
[INFO] running `"docker" "inspect" "045af489f225adf6d8660382e8c2745f99d1a0a6916f7dc054c8488257b14275"`
[INFO] running `"docker" "rm" "-f" "045af489f225adf6d8660382e8c2745f99d1a0a6916f7dc054c8488257b14275"`
[INFO] [stdout] 045af489f225adf6d8660382e8c2745f99d1a0a6916f7dc054c8488257b14275
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f519d266cae3df29a5fab821caf28686cef91903aa9fe34b94cc0d6abed6e2a7
[INFO] running `"docker" "start" "-a" "f519d266cae3df29a5fab821caf28686cef91903aa9fe34b94cc0d6abed6e2a7"`
[INFO] [stderr]    Compiling tick_tack_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/game.rs:45:14
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if let Ok((size, addr)) = self.socket.recv_from(&mut buffer) {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_size`
[INFO] [stderr]   --> src/game.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 if let Ok(packet_size) = self.socket.recv(&mut buffer) {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_packet_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:57:7
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut socket = UdpSocket::bind("localhost:0").unwrap();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "f519d266cae3df29a5fab821caf28686cef91903aa9fe34b94cc0d6abed6e2a7"`
[INFO] running `"docker" "rm" "-f" "f519d266cae3df29a5fab821caf28686cef91903aa9fe34b94cc0d6abed6e2a7"`
[INFO] [stdout] f519d266cae3df29a5fab821caf28686cef91903aa9fe34b94cc0d6abed6e2a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Givup/tick_tack_rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] b3541a985555d76df2a24adcb3168c24f126a5537bdfff5caad0f268e3c80d3e
[INFO] running `"docker" "start" "-a" "b3541a985555d76df2a24adcb3168c24f126a5537bdfff5caad0f268e3c80d3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tick_tack_rust-47bdd3026a9d2c51
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b3541a985555d76df2a24adcb3168c24f126a5537bdfff5caad0f268e3c80d3e"`
[INFO] running `"docker" "rm" "-f" "b3541a985555d76df2a24adcb3168c24f126a5537bdfff5caad0f268e3c80d3e"`
[INFO] [stdout] b3541a985555d76df2a24adcb3168c24f126a5537bdfff5caad0f268e3c80d3e