Dec 05 11:14:49.547 INFO testing pixlark/rust-2048 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 11:14:49.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 11:14:49.888 INFO [stdout] 577de3ebec1e2ecdb3a067bac2e64a666531637b20cc333d6f9f9120d88cebef
Dec 05 11:14:49.894 INFO running `"docker" "start" "-a" "577de3ebec1e2ecdb3a067bac2e64a666531637b20cc333d6f9f9120d88cebef"`
Dec 05 11:14:50.839 INFO [stderr] usermod: no changes
Dec 05 11:14:50.980 INFO [stderr]    Compiling game-2048 v0.1.0 (/source)
Dec 05 11:14:50.980 INFO [stderr]    Compiling sdl2 v0.31.0
Dec 05 11:14:57.196 INFO [stderr] warning: unused import: `sdl2::video::WindowContext`
Dec 05 11:14:57.196 INFO [stderr]   --> src/main.rs:15:5
Dec 05 11:14:57.196 INFO [stderr]    |
Dec 05 11:14:57.196 INFO [stderr] 15 | use sdl2::video::WindowContext;
Dec 05 11:14:57.196 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:14:57.196 INFO [stderr]    |
Dec 05 11:14:57.196 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:14:57.196 INFO [stderr] 
Dec 05 11:14:57.316 INFO [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
Dec 05 11:14:57.316 INFO [stderr]    --> src/main.rs:267:32
Dec 05 11:14:57.316 INFO [stderr]     |
Dec 05 11:14:57.316 INFO [stderr] 267 |         let choice: u64 = *rng.choose(&[2, 4]).unwrap();
Dec 05 11:14:57.316 INFO [stderr]     |                                ^^^^^^
Dec 05 11:14:57.316 INFO [stderr]     |
Dec 05 11:14:57.316 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 05 11:14:57.316 INFO [stderr] 
Dec 05 11:14:57.328 INFO [stderr] warning: unused variable: `state_stack`
Dec 05 11:14:57.328 INFO [stderr]    --> src/main.rs:306:13
Dec 05 11:14:57.328 INFO [stderr]     |
Dec 05 11:14:57.328 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 05 11:14:57.328 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_state_stack` instead
Dec 05 11:14:57.328 INFO [stderr]     |
Dec 05 11:14:57.328 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 11:14:57.328 INFO [stderr] 
Dec 05 11:14:57.356 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:14:57.356 INFO [stderr]    --> src/main.rs:306:9
Dec 05 11:14:57.356 INFO [stderr]     |
Dec 05 11:14:57.356 INFO [stderr] 306 |     let mut state_stack: Vec<Box<dyn GameState>> = Vec::new();
Dec 05 11:14:57.356 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 05 11:14:57.356 INFO [stderr]     |         |
Dec 05 11:14:57.356 INFO [stderr]     |         help: remove this `mut`
Dec 05 11:14:57.356 INFO [stderr]     |
Dec 05 11:14:57.356 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:14:57.356 INFO [stderr] 
Dec 05 11:14:57.360 INFO [stderr] warning: struct is never constructed: `PlayingState`
Dec 05 11:14:57.360 INFO [stderr]    --> src/main.rs:286:1
Dec 05 11:14:57.360 INFO [stderr]     |
Dec 05 11:14:57.360 INFO [stderr] 286 | struct PlayingState {
Dec 05 11:14:57.360 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 05 11:14:57.360 INFO [stderr]     |
Dec 05 11:14:57.360 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 11:14:57.360 INFO [stderr] 
Dec 05 11:14:57.360 INFO [stderr] warning: type `v2` should have a camel case name such as `V2`
Dec 05 11:14:57.360 INFO [stderr]   --> src/main.rs:44:1
Dec 05 11:14:57.360 INFO [stderr]    |
Dec 05 11:14:57.360 INFO [stderr] 44 | / struct v2 {
Dec 05 11:14:57.360 INFO [stderr] 45 | |     row: i32,
Dec 05 11:14:57.360 INFO [stderr] 46 | |     column: i32,
Dec 05 11:14:57.360 INFO [stderr] 47 | | }
Dec 05 11:14:57.360 INFO [stderr]    | |_^
Dec 05 11:14:57.360 INFO [stderr]    |
Dec 05 11:14:57.360 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 05 11:14:57.360 INFO [stderr] 
Dec 05 11:14:57.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:14:57.360 INFO [stderr]    --> src/main.rs:159:21
Dec 05 11:14:57.360 INFO [stderr]     |
Dec 05 11:14:57.360 INFO [stderr] 159 | /                     canvas.copy(
Dec 05 11:14:57.360 INFO [stderr] 160 | |                         &texture,
Dec 05 11:14:57.360 INFO [stderr] 161 | |                         None,
Dec 05 11:14:57.360 INFO [stderr] 162 | |                         Some(Rect::new(
Dec 05 11:14:57.360 INFO [stderr] ...   |
Dec 05 11:14:57.360 INFO [stderr] 167 | |                         )),
Dec 05 11:14:57.360 INFO [stderr] 168 | |                     );
Dec 05 11:14:57.361 INFO [stderr]     | |______________________^
Dec 05 11:14:57.361 INFO [stderr]     |
Dec 05 11:14:57.361 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 11:14:57.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:14:57.361 INFO [stderr] 
Dec 05 11:14:58.160 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 11:14:58.160 INFO [stderr]   |
Dec 05 11:14:58.160 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.0.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.1.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.10.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.11.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.12.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.13.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.14.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.15.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.2.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.3.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.4.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.5.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.6.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.7.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.8.rcgu.o" "/target/debug/deps/game_2048-beb1d6c589f214ff.game_2048.4e24qmzf-cgu.9.rcgu.o" "-o" "/target/debug/deps/game_2048-beb1d6c589f214ff" "/target/debug/deps/game_2048-beb1d6c589f214ff.1jbgqh7z3m54s62h.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/liblazy_static-2ca0f5202ade2de2.rlib" "/target/debug/deps/libsdl2-6538b09f4364f637.rlib" "/target/debug/deps/librand-26a8e6185c52766c.rlib" "/target/debug/deps/librand-83f21828074a92d2.rlib" "/target/debug/deps/libsdl2_sys-e99f30c6aa5ce5ef.rlib" "/target/debug/deps/libbitflags-527620e07db41240.rlib" "/target/debug/deps/liblazy_static-6816f7cfd72ebb67.rlib" "/target/debug/deps/libnum-1310504d9bcded44.rlib" "/target/debug/deps/libnum_iter-cd8f8e614411ed57.rlib" "/target/debug/deps/libnum_integer-621243cf68d84757.rlib" "/target/debug/deps/libnum_traits-f51cb9f341077de6.rlib" "/target/debug/deps/librand-f441509ead13e4cd.rlib" "/target/debug/deps/liblibc-5d3f8f014103646e.rlib" "/target/debug/deps/librand_xorshift-9309b4c32726cc92.rlib" "/target/debug/deps/librand_pcg-7e10d85b0473a079.rlib" "/target/debug/deps/librand_hc-84446e8c98b23c46.rlib" "/target/debug/deps/librand_chacha-c0f81c5d233cb1c5.rlib" "/target/debug/deps/librand_isaac-357d79b6460521d1.rlib" "/target/debug/deps/librand_core-296558516ce87fe7.rlib" "-Wl,--start-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e972c2420364a4db.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-55db828da3f253f9.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-70134419af0c02d4.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-85dd988f6e224ab0.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-35e5ecdfebfa7d5c.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-10fd134b0cf006a8.rlib" "-Wl,--end-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1306eac77b02d077.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 11:14:58.160 INFO [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
Dec 05 11:14:58.160 INFO [stderr]           /usr/bin/ld: cannot find -lSDL2
Dec 05 11:14:58.160 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 11:14:58.160 INFO [stderr]           
Dec 05 11:14:58.160 INFO [stderr] 
Dec 05 11:14:58.160 INFO [stderr] error: aborting due to previous error
Dec 05 11:14:58.160 INFO [stderr] 
Dec 05 11:14:58.168 INFO [stderr] error: Could not compile `game-2048`.
Dec 05 11:14:58.168 INFO [stderr] 
Dec 05 11:14:58.168 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 11:14:58.168 INFO [stderr] su: No module specific data is present
Dec 05 11:14:58.711 INFO running `"docker" "inspect" "577de3ebec1e2ecdb3a067bac2e64a666531637b20cc333d6f9f9120d88cebef"`
Dec 05 11:14:59.110 INFO running `"docker" "rm" "-f" "577de3ebec1e2ecdb3a067bac2e64a666531637b20cc333d6f9f9120d88cebef"`
Dec 05 11:14:59.464 INFO [stdout] 577de3ebec1e2ecdb3a067bac2e64a666531637b20cc333d6f9f9120d88cebef