[INFO] cloning repository https://github.com/kitschysynq/squawkbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kitschysynq/squawkbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitschysynq%2Fsquawkbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitschysynq%2Fsquawkbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4ecc7b602bd942e7ec1ad3765762ed527dd10cc
[INFO] testing kitschysynq/squawkbox against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitschysynq%2Fsquawkbox" "/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/kitschysynq/squawkbox 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/kitschysynq/squawkbox
[INFO] finished tweaking git repo https://github.com/kitschysynq/squawkbox
[INFO] tweaked toml for git repo https://github.com/kitschysynq/squawkbox written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kitschysynq/squawkbox 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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95ab82a120869b2fa5f34706f8888e2d09147adba0e9a548952327a3d3b2f198
[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" "95ab82a120869b2fa5f34706f8888e2d09147adba0e9a548952327a3d3b2f198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ab82a120869b2fa5f34706f8888e2d09147adba0e9a548952327a3d3b2f198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ab82a120869b2fa5f34706f8888e2d09147adba0e9a548952327a3d3b2f198", kill_on_drop: false }`
[INFO] [stdout] 95ab82a120869b2fa5f34706f8888e2d09147adba0e9a548952327a3d3b2f198
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c321baf9364ff3c3b3bacbde8cdfa357426e6dd21558ccbc2f9d307186a4354
[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" "7c321baf9364ff3c3b3bacbde8cdfa357426e6dd21558ccbc2f9d307186a4354", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling squawkbox 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/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.squawkbox.wdgf2a1f-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1" "/opt/rustwide/target/debug/deps/squawkbox-d3c97c23f83bf4e1.2lztouhp3m6qd907.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-fa8be00b312eb085.rlib" "/opt/rustwide/target/debug/deps/librand-77bd7128d72fa4ad.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-e30f321e2a3dc81f.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-c951f675377147ae.rlib" "/opt/rustwide/target/debug/deps/librand_hc-fdbd2fc91cb6f0f3.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-4819cf739bd49074.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-b081f2d9c9eb5483.rlib" "/opt/rustwide/target/debug/deps/librand_core-f1ea6d529e277345.rlib" "/opt/rustwide/target/debug/deps/librand_os-6580b5f48c6950dc.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-adc38879fbaaa5ee.rlib" "/opt/rustwide/target/debug/deps/librand_core-8a09d4e50fabcece.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-fc84c7b2bbb3ff5b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-5c7d271dfd8fcb55.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4ccbe9d570ae61ca.rlib" "/opt/rustwide/target/debug/deps/liblibc-f1deb4899286262c.rlib" "/opt/rustwide/target/debug/deps/libnum-ee3b233a29838652.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-91e970d98a723bad.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b4300f5e41a4e7cb.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-942b5b76e85b464a.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_mixer" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_mixer
[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 `squawkbox`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7c321baf9364ff3c3b3bacbde8cdfa357426e6dd21558ccbc2f9d307186a4354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c321baf9364ff3c3b3bacbde8cdfa357426e6dd21558ccbc2f9d307186a4354", kill_on_drop: false }`
[INFO] [stdout] 7c321baf9364ff3c3b3bacbde8cdfa357426e6dd21558ccbc2f9d307186a4354