[INFO] updating cached repository Lermex/rustysnek
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lermex/rustysnek
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Lermex/rustysnek"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Lermex/rustysnek'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Lermex/rustysnek"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Lermex/rustysnek'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f4057162753be9abdbdb4f9db53c2582c799a79
[INFO] sha for GitHub repo Lermex/rustysnek: 3f4057162753be9abdbdb4f9db53c2582c799a79
[INFO] validating manifest of Lermex/rustysnek on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Lermex/rustysnek on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Lermex/rustysnek
[INFO] finished frobbing Lermex/rustysnek
[INFO] frobbed toml for Lermex/rustysnek written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Lermex/rustysnek/Cargo.toml
[INFO] started frobbing Lermex/rustysnek
[INFO] finished frobbing Lermex/rustysnek
[INFO] frobbed toml for Lermex/rustysnek written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Lermex/rustysnek/Cargo.toml
[INFO] crate Lermex/rustysnek already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Lermex/rustysnek against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Lermex/rustysnek:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0fc2f1c9a412ff6eb06d803434a5be10815f004fc8474be38181fd5a0fb944f7
[INFO] running `"docker" "start" "-a" "0fc2f1c9a412ff6eb06d803434a5be10815f004fc8474be38181fd5a0fb944f7"`
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking wayland-window v0.4.3
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.27.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking piston v0.27.0
[INFO] [stderr]     Checking winit v0.5.6
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking glutin v0.7.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston-gfx_texture v0.19.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.34.1
[INFO] [stderr]     Checking piston_window v0.60.0
[INFO] [stderr]     Checking rustysnek v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:165:98
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn send_greetings(my_uuid: &Uuid, own_body: &LinkedList<Point>) -> Result<LinkedList<Point>, Box<Error>> {
[INFO] [stderr]     |                                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:224:55
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn read_buf(socket: &UdpSocket) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_other`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let len_other = (&other_body).len() as f32;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_len_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for x in 0..3 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:165:98
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn send_greetings(my_uuid: &Uuid, own_body: &LinkedList<Point>) -> Result<LinkedList<Point>, Box<Error>> {
[INFO] [stderr]     |                                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:224:55
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn read_buf(socket: &UdpSocket) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     socket.set_read_timeout(Some(Duration::new(0, 1000)));
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     socket.set_broadcast(true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_other`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let len_other = (&other_body).len() as f32;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_len_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for x in 0..3 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     socket.set_read_timeout(Some(Duration::new(0, 1000)));
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     socket.set_broadcast(true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.79s
[INFO] running `"docker" "inspect" "0fc2f1c9a412ff6eb06d803434a5be10815f004fc8474be38181fd5a0fb944f7"`
[INFO] running `"docker" "rm" "-f" "0fc2f1c9a412ff6eb06d803434a5be10815f004fc8474be38181fd5a0fb944f7"`
[INFO] [stdout] 0fc2f1c9a412ff6eb06d803434a5be10815f004fc8474be38181fd5a0fb944f7