[INFO] cloning repository https://github.com/welder/gamejam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/welder/gamejam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelder%2Fgamejam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelder%2Fgamejam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e1b87e1c52fb867bf547f416c23976fe6a70884
[INFO] testing welder/gamejam against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelder%2Fgamejam" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/welder/gamejam on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/welder/gamejam
[INFO] finished tweaking git repo https://github.com/welder/gamejam
[INFO] tweaked toml for git repo https://github.com/welder/gamejam written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/welder/gamejam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e53598999981999ff7b8a6ad29d6b259ab5f33609b42c5df4f1a1077c569c182
[INFO] running `Command { std: "docker" "start" "-a" "e53598999981999ff7b8a6ad29d6b259ab5f33609b42c5df4f1a1077c569c182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e53598999981999ff7b8a6ad29d6b259ab5f33609b42c5df4f1a1077c569c182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53598999981999ff7b8a6ad29d6b259ab5f33609b42c5df4f1a1077c569c182", kill_on_drop: false }`
[INFO] [stdout] e53598999981999ff7b8a6ad29d6b259ab5f33609b42c5df4f1a1077c569c182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4c083184657dfcfd50078e52fc3564864f6f770df03ef5b0e14be353f105d8
[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" "1d4c083184657dfcfd50078e52fc3564864f6f770df03ef5b0e14be353f105d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.19.0
[INFO] [stderr]    Compiling sdl2_ttf v0.19.0
[INFO] [stderr]    Compiling game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/game.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / macro_rules! rect(
[INFO] [stdout] 16 | |     ($x:expr, $y:expr, $w:expr, $h:expr) => (
[INFO] [stdout] 17 | |         Rect::new($x as i32, $y as i32, $w as u32, $h as u32)
[INFO] [stdout] 18 | |     )
[INFO] [stdout] 19 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut window = renderer.window_mut().unwrap();
[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] 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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.game.darjotjo-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac" "/opt/rustwide/target/debug/deps/game-06d67ae420c193ac.50wimccmvqazs69t.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2_ttf-ea6a835875f1b714.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c37be380fcc6c27f.rlib" "/opt/rustwide/target/debug/deps/libsdl2-56c7018caf7da57f.rlib" "/opt/rustwide/target/debug/deps/librand-b0e8e4873d5659cc.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-74c4fd1890d306ab.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9f683007c92f384d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-9850e1ed257f46c2.rlib" "/opt/rustwide/target/debug/deps/libnum-837facbd567b0c17.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-4e21de66186eb557.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-917568f2a76ea9aa.rlib" "/opt/rustwide/target/debug/deps/librand-06d2b08732597ed4.rlib" "/opt/rustwide/target/debug/deps/liblibc-b10eb6ae9a053f40.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-dbedff2ba9589a7d.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-cf160550f07bf347.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-63eb6f71941d397c.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4545f17f749a0151.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4a59219676fe7595.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1d4c083184657dfcfd50078e52fc3564864f6f770df03ef5b0e14be353f105d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4c083184657dfcfd50078e52fc3564864f6f770df03ef5b0e14be353f105d8", kill_on_drop: false }`
[INFO] [stdout] 1d4c083184657dfcfd50078e52fc3564864f6f770df03ef5b0e14be353f105d8