[INFO] cloning repository https://github.com/alexeyden/rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexeyden/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexeyden%2Frust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexeyden%2Frust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f01e50da7a04d7323f7e99a977cd536544231779
[INFO] testing alexeyden/rust-experiments 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%2Falexeyden%2Frust-experiments" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexeyden/rust-experiments 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/alexeyden/rust-experiments
[INFO] finished tweaking git repo https://github.com/alexeyden/rust-experiments
[INFO] tweaked toml for git repo https://github.com/alexeyden/rust-experiments written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/alexeyden/rust-experiments 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]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v0.9.11
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9e5ca5044984fe84b1c749b8c9f75c51bd15ea16bd66e893b9ddf334884484cb
[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" "9e5ca5044984fe84b1c749b8c9f75c51bd15ea16bd66e893b9ddf334884484cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e5ca5044984fe84b1c749b8c9f75c51bd15ea16bd66e893b9ddf334884484cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5ca5044984fe84b1c749b8c9f75c51bd15ea16bd66e893b9ddf334884484cb", kill_on_drop: false }`
[INFO] [stdout] 9e5ca5044984fe84b1c749b8c9f75c51bd15ea16bd66e893b9ddf334884484cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 15b29fc08a2428b3925dd398f818f7612a928da91d1c49cb60345e16188e9e5d
[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" "15b29fc08a2428b3925dd398f818f7612a928da91d1c49cb60345e16188e9e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2 (https://github.com/AngryLawyer/rust-sdl2#5d8c8632)
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling sdl2 v0.29.0 (https://github.com/AngryLawyer/rust-sdl2#5d8c8632)
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling raster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/game.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use serde_json;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.raster.86iil5ev-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8" "/opt/rustwide/target/debug/deps/raster-3ce714f043e281e8.4bfhhlbgwemcjccj.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/libserde_json-fc3da6cdd6c1b7c0.rlib" "/opt/rustwide/target/debug/deps/libdtoa-83667ca233830f7f.rlib" "/opt/rustwide/target/debug/deps/libitoa-01d413af44255e19.rlib" "/opt/rustwide/target/debug/deps/libserde-e1ae65b69c433ece.rlib" "/opt/rustwide/target/debug/deps/libsdl2-a49dd2b44a94ac57.rlib" "/opt/rustwide/target/debug/deps/librand-b863c2e038538a21.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-68782b146efb5f86.rlib" "/opt/rustwide/target/debug/deps/libbitflags-5491842f1301905a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-8b7b403a690bca9b.rlib" "/opt/rustwide/target/debug/deps/liblibc-7e914f17b23755d4.rlib" "/opt/rustwide/target/debug/deps/libnum-de0ff4d95974c18c.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-901b25dcade9c849.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-9b362e689dee1f40.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-8e015b84597bc9b8.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_image" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raster`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "15b29fc08a2428b3925dd398f818f7612a928da91d1c49cb60345e16188e9e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b29fc08a2428b3925dd398f818f7612a928da91d1c49cb60345e16188e9e5d", kill_on_drop: false }`
[INFO] [stdout] 15b29fc08a2428b3925dd398f818f7612a928da91d1c49cb60345e16188e9e5d