[INFO] cloning repository https://github.com/Srynetix/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Srynetix/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSrynetix%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSrynetix%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac6233df21039a00e3f56a5d44f05c50573e552b
[INFO] testing Srynetix/chip8 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%2FSrynetix%2Fchip8" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Srynetix/chip8 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/Srynetix/chip8
[INFO] finished tweaking git repo https://github.com/Srynetix/chip8
[INFO] tweaked toml for git repo https://github.com/Srynetix/chip8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Srynetix/chip8 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded rustyline v5.0.2
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded serde_derive v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40a2cf9adc30dfde6b9ef9161605f14209ea883b19e4af74bc2860043db9d2c2
[INFO] running `Command { std: "docker" "start" "-a" "40a2cf9adc30dfde6b9ef9161605f14209ea883b19e4af74bc2860043db9d2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a2cf9adc30dfde6b9ef9161605f14209ea883b19e4af74bc2860043db9d2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a2cf9adc30dfde6b9ef9161605f14209ea883b19e4af74bc2860043db9d2c2", kill_on_drop: false }`
[INFO] [stdout] 40a2cf9adc30dfde6b9ef9161605f14209ea883b19e4af74bc2860043db9d2c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9d40c4502be2e22bbb4ea3e750ee7a52008cfbef47a3492db5a80255f9d99ac5
[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" "9d40c4502be2e22bbb4ea3e750ee7a52008cfbef47a3492db5a80255f9d99ac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling chip8 v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rustyline v5.0.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.100
[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/chip8-066a29337f488bbd.chip8.9y420150-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.chip8.9y420150-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.chip8.9y420150-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.chip8.9y420150-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.chip8.9y420150-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.chip8.9y420150-cgu.5.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd" "/opt/rustwide/target/debug/deps/chip8-066a29337f488bbd.2az43ior8imm0bf9.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/libchip8-054d7cc733efbb3f.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-81093632732e4dc9.rlib" "/opt/rustwide/target/debug/deps/libsame_file-21e5ced8de3ae1b5.rlib" "/opt/rustwide/target/debug/deps/libchrono-0af0f58ba6ad4926.rlib" "/opt/rustwide/target/debug/deps/libfern-1a25f64033081380.rlib" "/opt/rustwide/target/debug/deps/libclap-b3783a38555a3b80.rlib" "/opt/rustwide/target/debug/deps/libvec_map-de5da0971b7274da.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-ce3443d82ed90512.rlib" "/opt/rustwide/target/debug/deps/libstrsim-794cc78f848fe7af.rlib" "/opt/rustwide/target/debug/deps/libatty-f920a4203ac22796.rlib" "/opt/rustwide/target/debug/deps/libansi_term-4b9c56ff58f1d4f8.rlib" "/opt/rustwide/target/debug/deps/libtime-ac880c0e263edc32.rlib" "/opt/rustwide/target/debug/deps/libsdl2-f97b027828a1de11.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-0495093f0d8547c0.rlib" "/opt/rustwide/target/debug/deps/libnum-2834f172a2af4d90.rlib" "/opt/rustwide/target/debug/deps/librustyline-5a3716edb027ed21.rlib" "/opt/rustwide/target/debug/deps/libutf8parse-e3d650e4faa0903a.rlib" "/opt/rustwide/target/debug/deps/libnix-92c56fc3d47796e2.rlib" "/opt/rustwide/target/debug/deps/libvoid-2252400e8925513f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-82bd363beea55b11.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-f2865da249144f7c.rlib" "/opt/rustwide/target/debug/deps/libunicode_segmentation-7b11c1dd91880ef5.rlib" "/opt/rustwide/target/debug/deps/libdirs-49fe71410d0d9ee7.rlib" "/opt/rustwide/target/debug/deps/libdirs_sys-40716d254b200a5d.rlib" "/opt/rustwide/target/debug/deps/libbincode-8e2d4cbd33c67709.rlib" "/opt/rustwide/target/debug/deps/libserde-193e826034a00721.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-d9d0103afea89763.rlib" "/opt/rustwide/target/debug/deps/libnum-494c89597260d984.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-2bfa70a2312c12db.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c234a0a0d979c8a8.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-8a5269b61fba4f13.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-f7179cb9ce9c0875.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-31c575931f49de46.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9f27ab591ca3e0e2.rlib" "/opt/rustwide/target/debug/deps/librand-22c0c7beb6c295cf.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-cf5755674f76ffe9.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-7624eac2a0118538.rlib" "/opt/rustwide/target/debug/deps/librand_hc-6cb7a57c36a79f7e.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-c9ab303b42967909.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4982dbfb08331eec.rlib" "/opt/rustwide/target/debug/deps/librand_core-b1006ca5a808ba0e.rlib" "/opt/rustwide/target/debug/deps/librand_os-f46b17185f17488d.rlib" "/opt/rustwide/target/debug/deps/liblibc-5d9f40ca449062bf.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-84f4ba80f08b5115.rlib" "/opt/rustwide/target/debug/deps/librand_core-e8ac9a7347391b37.rlib" "/opt/rustwide/target/debug/deps/liblog-720ea2d826ac9239.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e18a0c7dbfab00df.rlib" "/opt/rustwide/target/debug/deps/libregex-f78ddc550b86007d.rlib" "/opt/rustwide/target/debug/deps/libthread_local-812f6a3f0004ea44.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-298f69367fd258cf.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-569a005d8bc61c1b.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d5d1431bad08298f.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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9d40c4502be2e22bbb4ea3e750ee7a52008cfbef47a3492db5a80255f9d99ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d40c4502be2e22bbb4ea3e750ee7a52008cfbef47a3492db5a80255f9d99ac5", kill_on_drop: false }`
[INFO] [stdout] 9d40c4502be2e22bbb4ea3e750ee7a52008cfbef47a3492db5a80255f9d99ac5