[INFO] cloning repository https://github.com/Dzuvan/Breakout
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dzuvan/Breakout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FBreakout"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FBreakout'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c2aba25e1528abeb8349f7eed2d3bf2c2023474
[INFO] testing Dzuvan/Breakout against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FBreakout" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dzuvan/Breakout on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dzuvan/Breakout
[INFO] finished tweaking git repo https://github.com/Dzuvan/Breakout
[INFO] tweaked toml for git repo https://github.com/Dzuvan/Breakout written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dzuvan/Breakout already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae3cd1bb89af174a5c7ef48bd3276b0d87464c8e21b2664d39f3487e6836eed7
[INFO] running `"docker" "start" "-a" "ae3cd1bb89af174a5c7ef48bd3276b0d87464c8e21b2664d39f3487e6836eed7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling breakout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `num_blocks`
[INFO] [stderr]    --> src/main.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let mut num_blocks  = 55;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_blocks`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let mut num_blocks  = 55;
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.breakout.6dhuutqm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605" "/opt/rustwide/target/debug/deps/breakout-bfbc2673dbf08605.35lxtcm5dd7hy3eh.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-ff9f3ab55b6c0378.rlib" "/opt/rustwide/target/debug/deps/librand-0c1aa853c58a86a0.rlib" "/opt/rustwide/target/debug/deps/libc_vec-1a54d6cd837c838f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-24f067ecc37eab8b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-717e7ed2379fc03d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ac564ae5de744dd0.rlib" "/opt/rustwide/target/debug/deps/liblibc-b05a3c248b1aaf38.rlib" "/opt/rustwide/target/debug/deps/libnum-39f7b3006694b614.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-e4156bacbba859b1.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-018e4630f1e6d07b.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-c1542a325982ddf2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2_image" "-lSDL2_mixer" "-lSDL2_gfx" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stderr]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stderr]           /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stderr]           /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `breakout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ae3cd1bb89af174a5c7ef48bd3276b0d87464c8e21b2664d39f3487e6836eed7"`
[INFO] running `"docker" "rm" "-f" "ae3cd1bb89af174a5c7ef48bd3276b0d87464c8e21b2664d39f3487e6836eed7"`
[INFO] [stdout] ae3cd1bb89af174a5c7ef48bd3276b0d87464c8e21b2664d39f3487e6836eed7