[INFO] cloning repository https://github.com/PartyLich/rs-snek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PartyLich/rs-snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPartyLich%2Frs-snek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPartyLich%2Frs-snek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5474ad59374493c95c82b434224467dfad6b1f4
[INFO] testing PartyLich/rs-snek against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPartyLich%2Frs-snek" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PartyLich/rs-snek on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PartyLich/rs-snek
[INFO] finished tweaking git repo https://github.com/PartyLich/rs-snek
[INFO] tweaked toml for git repo https://github.com/PartyLich/rs-snek written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PartyLich/rs-snek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92559fa3ccf7e4ff7ca2ec9c6d7815f42ffcdbb69ae2f956400b6abe9f1ad085
[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" "92559fa3ccf7e4ff7ca2ec9c6d7815f42ffcdbb69ae2f956400b6abe9f1ad085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92559fa3ccf7e4ff7ca2ec9c6d7815f42ffcdbb69ae2f956400b6abe9f1ad085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92559fa3ccf7e4ff7ca2ec9c6d7815f42ffcdbb69ae2f956400b6abe9f1ad085", kill_on_drop: false }`
[INFO] [stdout] 92559fa3ccf7e4ff7ca2ec9c6d7815f42ffcdbb69ae2f956400b6abe9f1ad085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", 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] 9cd8b5fec37a925d57ebde741383fa3e5f7d023a44ad3620078ea3421b25efd4
[INFO] running `Command { std: "docker" "start" "-a" "9cd8b5fec37a925d57ebde741383fa3e5f7d023a44ad3620078ea3421b25efd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling rs_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `list_dir_with_ext`
[INFO] [stdout]   --> src/map.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn list_dir_with_ext<'a>(extension: &'a str) -> Box<dyn Fn(&str) -> Vec<PathBuf> + 'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.rs_snake.7f39d47c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7.39t6j7vpcdh328hg.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librs_snake-1c25d0f76b9b5766.rlib" "/opt/rustwide/target/debug/deps/librand-45a162263cbdf491.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-f7f7c794d68a018f.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-738bd86a482cf07f.rlib" "/opt/rustwide/target/debug/deps/librand_core-634f4448086318bd.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-ee9a37491e987c17.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ffb7f11ad1437080.rlib" "/opt/rustwide/target/debug/deps/libsdl2-5f998aed0afc16f8.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-394231d00175e213.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib" "/opt/rustwide/target/debug/deps/liblibc-23cca450bd1ada75.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rs_snake-4770ecd37e429dd7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[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 `rs_snake` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9cd8b5fec37a925d57ebde741383fa3e5f7d023a44ad3620078ea3421b25efd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd8b5fec37a925d57ebde741383fa3e5f7d023a44ad3620078ea3421b25efd4", kill_on_drop: false }`
[INFO] [stdout] 9cd8b5fec37a925d57ebde741383fa3e5f7d023a44ad3620078ea3421b25efd4
