Dec 05 11:14:46.549 INFO testing pixlark/rust-2048 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 11:14:46.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 11:14:46.748 INFO [stdout] d006a78597b25fce157ff0174415198de955733612b2da09691e6701835d2006
Dec 05 11:14:46.752 INFO running `"docker" "start" "-a" "d006a78597b25fce157ff0174415198de955733612b2da09691e6701835d2006"`
Dec 05 11:14:47.354 INFO [stderr] usermod: no changes
Dec 05 11:14:47.468 INFO [stderr]    Compiling game-2048 v0.1.0 (/source)
Dec 05 11:14:47.468 INFO [stderr]    Compiling sdl2 v0.31.0
Dec 05 11:14:53.344 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 05 11:14:53.344 INFO [stderr]   --> src/main.rs:15:5
Dec 05 11:14:53.344 INFO [stderr]    |
Dec 05 11:14:53.344 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 05 11:14:53.344 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:14:53.344 INFO [stderr]    |
Dec 05 11:14:53.344 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:14:53.344 INFO [stderr] 
Dec 05 11:14:53.460 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 05 11:14:53.460 INFO [stderr]    --> src/main.rs:267:32
Dec 05 11:14:53.460 INFO [stderr]     |
Dec 05 11:14:53.460 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 05 11:14:53.460 INFO [stderr]     |                                ^^^^^^
Dec 05 11:14:53.460 INFO [stderr]     |
Dec 05 11:14:53.460 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 05 11:14:53.460 INFO [stderr] 
Dec 05 11:14:53.475 INFO [stderr] warning: unused variable: `state_stack`
Dec 05 11:14:53.475 INFO [stderr]    --> src/main.rs:306:13
Dec 05 11:14:53.475 INFO [stderr]     |
Dec 05 11:14:53.475 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 05 11:14:53.475 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 05 11:14:53.475 INFO [stderr]     |
Dec 05 11:14:53.476 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 11:14:53.476 INFO [stderr] 
Dec 05 11:14:53.508 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:14:53.508 INFO [stderr]    --> src/main.rs:306:9
Dec 05 11:14:53.508 INFO [stderr]     |
Dec 05 11:14:53.508 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 05 11:14:53.508 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 05 11:14:53.508 INFO [stderr]     |         |
Dec 05 11:14:53.508 INFO [stderr]     |         help: remove this `mut`
Dec 05 11:14:53.508 INFO [stderr]     |
Dec 05 11:14:53.508 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:14:53.508 INFO [stderr] 
Dec 05 11:14:53.508 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 05 11:14:53.508 INFO [stderr]    --> src/main.rs:286:1
Dec 05 11:14:53.508 INFO [stderr]     |
Dec 05 11:14:53.508 INFO [stderr] 286 | struct PlayingState {
Dec 05 11:14:53.508 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 05 11:14:53.508 INFO [stderr]     |
Dec 05 11:14:53.508 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 11:14:53.508 INFO [stderr] 
Dec 05 11:14:53.512 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 05 11:14:53.512 INFO [stderr]   --> src/main.rs:44:1
Dec 05 11:14:53.512 INFO [stderr]    |
Dec 05 11:14:53.512 INFO [stderr] 44 | / struct v2 {
Dec 05 11:14:53.512 INFO [stderr] 45 | |     row: i32,
Dec 05 11:14:53.512 INFO [stderr] 46 | |     column: i32,
Dec 05 11:14:53.512 INFO [stderr] 47 | | }
Dec 05 11:14:53.512 INFO [stderr]    | |_^
Dec 05 11:14:53.512 INFO [stderr]    |
Dec 05 11:14:53.512 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 05 11:14:53.512 INFO [stderr] 
Dec 05 11:14:53.512 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:14:53.512 INFO [stderr]    --> src/main.rs:159:21
Dec 05 11:14:53.512 INFO [stderr]     |
Dec 05 11:14:53.512 INFO [stderr] 159 | /                     canvas.copy(
Dec 05 11:14:53.512 INFO [stderr] 160 | |                         &texture,
Dec 05 11:14:53.512 INFO [stderr] 161 | |                         None,
Dec 05 11:14:53.512 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 05 11:14:53.512 INFO [stderr] ...   |
Dec 05 11:14:53.512 INFO [stderr] 167 | |                         )),
Dec 05 11:14:53.512 INFO [stderr] 168 | |                     );
Dec 05 11:14:53.512 INFO [stderr]     | |______________________^
Dec 05 11:14:53.512 INFO [stderr]     |
Dec 05 11:14:53.512 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 11:14:53.512 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:14:53.512 INFO [stderr] 
Dec 05 11:14:54.546 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 11:14:54.547 INFO [stderr]   |
Dec 05 11:14:54.547 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.0.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.1.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.10.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.11.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.12.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.13.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.14.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.15.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.2.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.3.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.4.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.5.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.6.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.7.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.8.rcgu.o" "/target/debug/deps/game_2048-17cf23601d90af8d.game_2048.19pna96c-cgu.9.rcgu.o" "-o" "/target/debug/deps/game_2048-17cf23601d90af8d" "/target/debug/deps/game_2048-17cf23601d90af8d.3ewu2fnxrmiv3r2e.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/liblazy_static-31b1ea09d67d1701.rlib" "/target/debug/deps/libsdl2-939968f464726206.rlib" "/target/debug/deps/librand-5dd7ae2ac0a099a1.rlib" "/target/debug/deps/librand-630931a6c359b727.rlib" "/target/debug/deps/libsdl2_sys-62a803883ef89551.rlib" "/target/debug/deps/libbitflags-a51de0fd958ef0b9.rlib" "/target/debug/deps/liblazy_static-39d059c99fb3fffc.rlib" "/target/debug/deps/libnum-b567163f405ae920.rlib" "/target/debug/deps/libnum_iter-dcb0c2944953ff5b.rlib" "/target/debug/deps/libnum_integer-186a6473da6267ec.rlib" "/target/debug/deps/libnum_traits-6515aaef751e5e2c.rlib" "/target/debug/deps/librand-44ec1e33c9a3c33e.rlib" "/target/debug/deps/liblibc-1c8349feb14a25ce.rlib" "/target/debug/deps/librand_xorshift-e59864d17cb29623.rlib" "/target/debug/deps/librand_pcg-2958208528a73ddd.rlib" "/target/debug/deps/librand_hc-bcd37350c93e4310.rlib" "/target/debug/deps/librand_chacha-97bb49973c0cbfb4.rlib" "/target/debug/deps/librand_isaac-b5307f526e6cefcf.rlib" "/target/debug/deps/librand_core-7bfb5635f4e4c3c4.rlib" "-Wl,--start-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1783ee7db416cd31.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d52c5951c3cd2e1d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9a81b01b5e0e175b.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f1a5585a81eb855e.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0a7b7470c80cad43.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 11:14:54.548 INFO [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
Dec 05 11:14:54.548 INFO [stderr]           /usr/bin/ld: cannot find -lSDL2
Dec 05 11:14:54.548 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 11:14:54.549 INFO [stderr]           
Dec 05 11:14:54.549 INFO [stderr] 
Dec 05 11:14:54.550 INFO [stderr] error: aborting due to previous error
Dec 05 11:14:54.550 INFO [stderr] 
Dec 05 11:14:54.575 INFO [stderr] error: Could not compile `game-2048`.
Dec 05 11:14:54.575 INFO [stderr] 
Dec 05 11:14:54.575 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 11:14:54.577 INFO [stderr] su: No module specific data is present
Dec 05 11:14:56.233 INFO running `"docker" "inspect" "d006a78597b25fce157ff0174415198de955733612b2da09691e6701835d2006"`
Dec 05 11:14:56.506 INFO running `"docker" "rm" "-f" "d006a78597b25fce157ff0174415198de955733612b2da09691e6701835d2006"`
Dec 05 11:14:56.794 INFO [stdout] d006a78597b25fce157ff0174415198de955733612b2da09691e6701835d2006