[INFO] updating cached repository welder/gamejam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/welder/gamejam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/welder/gamejam" "work/ex/beta-1.37-6/sources/1.36.0/gh/welder/gamejam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/welder/gamejam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/welder/gamejam" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/welder/gamejam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/welder/gamejam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e1b87e1c52fb867bf547f416c23976fe6a70884
[INFO] sha for GitHub repo welder/gamejam: 2e1b87e1c52fb867bf547f416c23976fe6a70884
[INFO] validating manifest of welder/gamejam on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of welder/gamejam on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing welder/gamejam
[INFO] finished frobbing welder/gamejam
[INFO] frobbed toml for welder/gamejam written to work/ex/beta-1.37-6/sources/1.36.0/gh/welder/gamejam/Cargo.toml
[INFO] started frobbing welder/gamejam
[INFO] finished frobbing welder/gamejam
[INFO] frobbed toml for welder/gamejam written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/welder/gamejam/Cargo.toml
[INFO] crate welder/gamejam already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/welder/gamejam/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing welder/gamejam against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/welder/gamejam:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e7cfd1a6def87e2ac7fb50503bd40439438c747cbf69f7d486ae5d42d2d8802c
[INFO] running `"docker" "start" "-a" "e7cfd1a6def87e2ac7fb50503bd40439438c747cbf69f7d486ae5d42d2d8802c"`
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling sdl2 v0.19.0
[INFO] [stderr]    Compiling sdl2_ttf v0.19.0
[INFO] [stderr]    Compiling game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/game.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / macro_rules! rect(
[INFO] [stderr] 16 | |     ($x:expr, $y:expr, $w:expr, $h:expr) => (
[INFO] [stderr] 17 | |         Rect::new($x as i32, $y as i32, $w as u32, $h as u32)
[INFO] [stderr] 18 | |     )
[INFO] [stderr] 19 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let mut window = renderer.window_mut().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] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.game.4berion0-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0" "/opt/crater/target/debug/deps/game-1b58113d6f3d30e0.38ob1zjcr4u479i9.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2_ttf-b5c26d17c41efee8.rlib" "/opt/crater/target/debug/deps/libbitflags-02eac7b11f4d7bd5.rlib" "/opt/crater/target/debug/deps/libsdl2-1b757c0dfe3748fe.rlib" "/opt/crater/target/debug/deps/librand-e08ba8aab010d886.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-2c670080bafe5629.rlib" "/opt/crater/target/debug/deps/libbitflags-1006552bb95b6140.rlib" "/opt/crater/target/debug/deps/liblazy_static-0e1e36676eed3924.rlib" "/opt/crater/target/debug/deps/libnum-56232bbc3481d7e4.rlib" "/opt/crater/target/debug/deps/libnum_rational-4b67caa4c49810a7.rlib" "/opt/crater/target/debug/deps/libnum_bigint-1fd4b19cd24ff983.rlib" "/opt/crater/target/debug/deps/librand-12c0152561214ea4.rlib" "/opt/crater/target/debug/deps/liblibc-15b143653abd1ffe.rlib" "/opt/crater/target/debug/deps/libnum_complex-2c45d74b57ccfed4.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libnum_iter-6aa8c2e263944e3d.rlib" "/opt/crater/target/debug/deps/libnum_integer-35be16e7600d6cb9.rlib" "/opt/crater/target/debug/deps/libnum_traits-04277105b9bd2221.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7cfd1a6def87e2ac7fb50503bd40439438c747cbf69f7d486ae5d42d2d8802c"`
[INFO] running `"docker" "rm" "-f" "e7cfd1a6def87e2ac7fb50503bd40439438c747cbf69f7d486ae5d42d2d8802c"`
[INFO] [stdout] e7cfd1a6def87e2ac7fb50503bd40439438c747cbf69f7d486ae5d42d2d8802c