[INFO] cloning repository https://github.com/DanaL/RustRoguelikeUIDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanaL/RustRoguelikeUIDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanaL%2FRustRoguelikeUIDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanaL%2FRustRoguelikeUIDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78709fe20b283584f0268eadb06b1552cc7c9514
[INFO] testing DanaL/RustRoguelikeUIDemo against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanaL%2FRustRoguelikeUIDemo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanaL/RustRoguelikeUIDemo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanaL/RustRoguelikeUIDemo
[INFO] finished tweaking git repo https://github.com/DanaL/RustRoguelikeUIDemo
[INFO] tweaked toml for git repo https://github.com/DanaL/RustRoguelikeUIDemo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DanaL/RustRoguelikeUIDemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ebe13b01bb1fd296e0fbf13355397b8f4b6b486a37dcf66c5ac53d7ef63d410
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ebe13b01bb1fd296e0fbf13355397b8f4b6b486a37dcf66c5ac53d7ef63d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ebe13b01bb1fd296e0fbf13355397b8f4b6b486a37dcf66c5ac53d7ef63d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebe13b01bb1fd296e0fbf13355397b8f4b6b486a37dcf66c5ac53d7ef63d410", kill_on_drop: false }`
[INFO] [stdout] 0ebe13b01bb1fd296e0fbf13355397b8f4b6b486a37dcf66c5ac53d7ef63d410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e629a45d26e06465132c822445d4bcd69be2a8174ac78e6a78ab50ac5be3d859
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e629a45d26e06465132c822445d4bcd69be2a8174ac78e6a78ab50ac5be3d859", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling RustRoguelikeUIDemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Act`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::actor::{Act, Player};
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:158:26
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn pluralize(name: &str, count: u8) -> String{
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `row` is never read
[INFO] [stdout]    --> src/main.rs:274:6
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let mut row = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `col` is never read
[INFO] [stdout]    --> src/main.rs:275:6
[INFO] [stdout]     |
[INFO] [stdout] 275 |     let mut col = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:273:27
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn add_monster(map: &Map, state: &mut GameState, npcs: &mut NPCTable) {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `row` is never read
[INFO] [stdout]    --> src/main.rs:289:6
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let mut row = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `col` is never read
[INFO] [stdout]    --> src/main.rs:290:6
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut col = 0;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `update` is never read
[INFO] [stdout]    --> src/main.rs:364:7
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut update = false;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/actor.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn act(&mut self, state: &mut super::GameState) {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw`
[INFO] [stdout]    --> src/display.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let mut draw = false;
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut player = Player::new(name);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let mut m = actor::Monster::new(13, 25, 'o', row, col, display::BLUE);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut gui = GameUI { 
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let mut draw = false;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/items.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut replacement = ( Item { name: v.0.name.clone(), ..v.0 }, v.1 );
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/items.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut stack = self.table.get_mut(&(r, c)).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/items.rs:198:7
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut stack = self.table.get_mut(&(r, c)).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Cmd` in public interface (error E0446)
[INFO] [stdout]    --> src/display.rs:156:2
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn get_command(&mut self) -> Cmd {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ac`
[INFO] [stdout]  --> src/actor.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ac: u8,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hp`
[INFO] [stdout]  --> src/actor.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     hp: u8,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ac`
[INFO] [stdout]   --> src/actor.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ac: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hp`
[INFO] [stdout]   --> src/actor.rs:27:2
[INFO] [stdout]    |
[INFO] [stdout] 27 |     hp: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Clothing`
[INFO] [stdout]   --> src/items.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Clothing,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustRoguelikeUIDemo` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_roguelike_uidemo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.RustRoguelikeUIDemo.317kj356-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72" "/opt/rustwide/target/debug/deps/RustRoguelikeUIDemo-191fb0d748872f72.45oe9tlu61m3n5z5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-b247e629e7874381.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-240768abee4e6e49.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/librand-8bf320277f65b403.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-493464369b8fdfff.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-28c4f6ca7d991334.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-c5c97510187b0809.rlib" "/opt/rustwide/target/debug/deps/librand_core-51f3fadd61f30205.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-c750c6cb5c4f1f45.rlib" "/opt/rustwide/target/debug/deps/liblibc-0bfe2d51e9fc3209.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `RustRoguelikeUIDemo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e629a45d26e06465132c822445d4bcd69be2a8174ac78e6a78ab50ac5be3d859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e629a45d26e06465132c822445d4bcd69be2a8174ac78e6a78ab50ac5be3d859", kill_on_drop: false }`
[INFO] [stdout] e629a45d26e06465132c822445d4bcd69be2a8174ac78e6a78ab50ac5be3d859