[INFO] updating cached repository https://github.com/welder/gamejam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e1b87e1c52fb867bf547f416c23976fe6a70884
[INFO] testing welder/gamejam against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelder%2Fgamejam" "/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/welder/gamejam on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec863f2d797febe8fa2098f9d7618e38813e346fd1506c68df8789dfdbe0f025
[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" "ec863f2d797febe8fa2098f9d7618e38813e346fd1506c68df8789dfdbe0f025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec863f2d797febe8fa2098f9d7618e38813e346fd1506c68df8789dfdbe0f025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec863f2d797febe8fa2098f9d7618e38813e346fd1506c68df8789dfdbe0f025", kill_on_drop: false }`
[INFO] [stdout] ec863f2d797febe8fa2098f9d7618e38813e346fd1506c68df8789dfdbe0f025
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e552e46863e22bc4ed897b3165cd2a1dc2db314e89d4a9aa73cf5385f48ca92e
[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" "e552e46863e22bc4ed897b3165cd2a1dc2db314e89d4a9aa73cf5385f48ca92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/game-6157259c52145125.game.97exjtaj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/game-6157259c52145125" "/opt/rustwide/target/debug/deps/game-6157259c52145125.20spi0mo7ux4kbhu.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2_ttf-12ffe9deb6bcb34f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c1fa1756a3fd5e00.rlib" "/opt/rustwide/target/debug/deps/libsdl2-f82238e4624356d2.rlib" "/opt/rustwide/target/debug/deps/librand-b6997ff7af25d432.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-de8db00bfb2c4291.rlib" "/opt/rustwide/target/debug/deps/libbitflags-dfb3a5c4c69b0398.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2ea69cae54b65af6.rlib" "/opt/rustwide/target/debug/deps/libnum-3f2ae0fa13922350.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-eb955c4020b0a094.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-52d315ed45bb2bde.rlib" "/opt/rustwide/target/debug/deps/librand-b082f4e86074ce5a.rlib" "/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-1d5da6fbe6a0acda.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-826df4b40c62d022.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6656b01f45368b3a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-94fd0f13cfea77ad.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-63253226b9d79376.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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" "e552e46863e22bc4ed897b3165cd2a1dc2db314e89d4a9aa73cf5385f48ca92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e552e46863e22bc4ed897b3165cd2a1dc2db314e89d4a9aa73cf5385f48ca92e", kill_on_drop: false }`
[INFO] [stdout] e552e46863e22bc4ed897b3165cd2a1dc2db314e89d4a9aa73cf5385f48ca92e