[INFO] updating cached repository https://github.com/Dzuvan/Breakout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c2aba25e1528abeb8349f7eed2d3bf2c2023474
[INFO] testing Dzuvan/Breakout against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FBreakout" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dzuvan/Breakout on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Dzuvan/Breakout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f68d6e4813c1780b3dc717b6091039003253aa8f068784e9886937c1eb2cb5
[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" "38f68d6e4813c1780b3dc717b6091039003253aa8f068784e9886937c1eb2cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f68d6e4813c1780b3dc717b6091039003253aa8f068784e9886937c1eb2cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f68d6e4813c1780b3dc717b6091039003253aa8f068784e9886937c1eb2cb5", kill_on_drop: false }`
[INFO] [stdout] 38f68d6e4813c1780b3dc717b6091039003253aa8f068784e9886937c1eb2cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c95fbfa82de4ed58308ba0f2709e3efc734789e78b778ea63a925d9559efbdd
[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" "5c95fbfa82de4ed58308ba0f2709e3efc734789e78b778ea63a925d9559efbdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling sdl2-sys v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#085d0679)
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling sdl2 v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#085d0679)
[INFO] [stderr]    Compiling breakout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_blocks`
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut num_blocks  = 55;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_blocks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut num_blocks  = 55;
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.breakout.8374f7tu-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e" "/opt/rustwide/target/debug/deps/breakout-7450100d0f91aa4e.3g9npdq6eugvxnl1.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-be43a2bf4e7bed04.rlib" "/opt/rustwide/target/debug/deps/librand-9e440ea6e2c8100c.rlib" "/opt/rustwide/target/debug/deps/libc_vec-69221a5c5d036258.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-465e81cd0991226a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-12fb577444bcad11.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-af148be0059ac649.rlib" "/opt/rustwide/target/debug/deps/liblibc-6134e2d5b5a0fa70.rlib" "/opt/rustwide/target/debug/deps/libnum-180607e0cfe038d7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-aa9772370792c647.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c02be33f3c333870.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1d53bb2f56433574.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.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] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `breakout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5c95fbfa82de4ed58308ba0f2709e3efc734789e78b778ea63a925d9559efbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c95fbfa82de4ed58308ba0f2709e3efc734789e78b778ea63a925d9559efbdd", kill_on_drop: false }`
[INFO] [stdout] 5c95fbfa82de4ed58308ba0f2709e3efc734789e78b778ea63a925d9559efbdd