[INFO] cloning repository https://github.com/blue-emc2/cave
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blue-emc2/cave" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fcave", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fcave'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff4f1a6998da03e9067f304cf4871275a30adf9c
[INFO] testing blue-emc2/cave against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fcave" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blue-emc2/cave 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/blue-emc2/cave
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/blue-emc2/cave
[INFO] tweaked toml for git repo https://github.com/blue-emc2/cave written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/blue-emc2/cave 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 44ad305bd13851b460c2af597f0eba5171698f7245437b954e730b672b195a30
[INFO] running `Command { std: "docker" "start" "-a" "44ad305bd13851b460c2af597f0eba5171698f7245437b954e730b672b195a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ad305bd13851b460c2af597f0eba5171698f7245437b954e730b672b195a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ad305bd13851b460c2af597f0eba5171698f7245437b954e730b672b195a30", kill_on_drop: false }`
[INFO] [stdout] 44ad305bd13851b460c2af597f0eba5171698f7245437b954e730b672b195a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f703222f15a89de2aa47cfe9a6493074c2c64404f4ce55cd839f6c677c8fad45
[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" "f703222f15a89de2aa47cfe9a6493074c2c64404f4ce55cd839f6c677c8fad45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling cave v0.1.0 (/opt/rustwide/workdir)
[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/cave-ef59ea906624d547.cave.704iueo1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.cave.704iueo1-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547" "/opt/rustwide/target/debug/deps/cave-ef59ea906624d547.2vmx3ra1bu5cc4d7.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/libsdl2-5070b5107edcdd05.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-afb2efdc23df73fb.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libspecs-9e2a4f6698b2fa4e.rlib" "/opt/rustwide/target/debug/deps/libtuple_utils-cb5fc60ecc7cd304.rlib" "/opt/rustwide/target/debug/deps/libshrev-09d0d5365fd1e69f.rlib" "/opt/rustwide/target/debug/deps/libnonzero_signed-93d956c774976c7d.rlib" "/opt/rustwide/target/debug/deps/liblog-84fac41c4b644956.rlib" "/opt/rustwide/target/debug/deps/libhibitset-ba17b401bfc59c72.rlib" "/opt/rustwide/target/debug/deps/libatom-17cbc39d59807c3c.rlib" "/opt/rustwide/target/debug/deps/libfnv-751e5967119454f8.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-7546066730ddda87.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-e780a70d9653fe19.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-d62c06c516bc1100.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-206a9f59754b95d3.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-29e601300bbeddab.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-2692f729c7ed8484.rlib" "/opt/rustwide/target/debug/deps/liblock_api-50e06a1fbf41111d.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-6a7e3d2f83db1ddf.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-5f10265e8ae1f329.rlib" "/opt/rustwide/target/debug/deps/librand-31d7de0f027f22d4.rlib" "/opt/rustwide/target/debug/deps/librand_core-562e496067677943.rlib" "/opt/rustwide/target/debug/deps/librand_core-fe89edf997f58b50.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-367d6a9931b9b332.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-0409736bd00065d2.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-c0e1396086f307bb.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-e9bde307deef8c75.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-340dff4a21109ef7.rlib" "/opt/rustwide/target/debug/deps/libshred-d4d31422e07354cd.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-6e593f3f88821277.rlib" "/opt/rustwide/target/debug/deps/librayon-238c34b486b9d671.rlib" "/opt/rustwide/target/debug/deps/librayon_core-2671c530c2270f74.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-12ddcbe4c3bd95c8.rlib" "/opt/rustwide/target/debug/deps/liblibc-655f967ebfad5af1.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-10073e467c21753b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-b682ef51af96722e.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-61a8585eac99cded.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-d9d952383943b5f6.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-b76305b481bc4028.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-f70100d05e1798e6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-ba8c860573beb973.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libeither-33aa006be14f1288.rlib" "/opt/rustwide/target/debug/deps/libmopa-97a1bd96ad1c0dfa.rlib" "/opt/rustwide/target/debug/deps/libfxhash-f65c3b33174b94ed.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-614a2d004e613808.rlib" "/opt/rustwide/target/debug/deps/libnodrop-69fdcb0894ca2a90.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" "-lSDL2_image" "-lutil" "-ldl" "-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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cave`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f703222f15a89de2aa47cfe9a6493074c2c64404f4ce55cd839f6c677c8fad45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f703222f15a89de2aa47cfe9a6493074c2c64404f4ce55cd839f6c677c8fad45", kill_on_drop: false }`
[INFO] [stdout] f703222f15a89de2aa47cfe9a6493074c2c64404f4ce55cd839f6c677c8fad45