[INFO] cloning repository https://github.com/jadeaffenjaeger/rust_connect_four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jadeaffenjaeger/rust_connect_four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjadeaffenjaeger%2Frust_connect_four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjadeaffenjaeger%2Frust_connect_four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b851577953258e3d251a6b07bc7168d6a5de7571
[INFO] testing jadeaffenjaeger/rust_connect_four against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjadeaffenjaeger%2Frust_connect_four" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jadeaffenjaeger/rust_connect_four on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jadeaffenjaeger/rust_connect_four
[INFO] finished tweaking git repo https://github.com/jadeaffenjaeger/rust_connect_four
[INFO] tweaked toml for git repo https://github.com/jadeaffenjaeger/rust_connect_four written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jadeaffenjaeger/rust_connect_four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.6.0
[INFO] running `Command { std: "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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b96b83c1753d7e7288fbf78aae6eaa09b3d733db01beded45963d12849e19336
[INFO] running `Command { std: "docker" "start" "-a" "b96b83c1753d7e7288fbf78aae6eaa09b3d733db01beded45963d12849e19336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b96b83c1753d7e7288fbf78aae6eaa09b3d733db01beded45963d12849e19336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96b83c1753d7e7288fbf78aae6eaa09b3d733db01beded45963d12849e19336", kill_on_drop: false }`
[INFO] [stdout] b96b83c1753d7e7288fbf78aae6eaa09b3d733db01beded45963d12849e19336
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20bed7b859bc3f0dfb4ac01830a0a5e5f8fce46347ec39e0b5ffadb70ebb31b2
[INFO] running `Command { std: "docker" "start" "-a" "20bed7b859bc3f0dfb4ac01830a0a5e5f8fce46347ec39e0b5ffadb70ebb31b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/game.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |             .filter(|(i, &num)| num < NUM_ROWS)
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.connect_four.079beedc-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2.9gyhs79ig4uprry.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-b12671d5996357d8.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-0483168b6b0460c6.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-82bdeb907cc2ed56.rlib" "/opt/rustwide/target/debug/deps/librand_core-4bb2e718547b1148.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-f6b1fd6e9e060c76.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/libpetgraph-1f39d49411f3d202.rlib" "/opt/rustwide/target/debug/deps/libindexmap-ad802e4cbbe71e86.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-013c7f75422a41d2.rlib" "/opt/rustwide/target/debug/deps/libfixedbitset-1cd17f7916e23375.rlib" "/opt/rustwide/target/debug/deps/libsdl2-c061099aca68c121.rlib" "/opt/rustwide/target/debug/deps/libc_vec-39e9b0a21118b7a6.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-e465bf88477e8d47.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/liblibc-333aa5b90e875ae0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_gfx" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/connect_four-a5ffb59935d3a6f2" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /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 `connect_four`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "20bed7b859bc3f0dfb4ac01830a0a5e5f8fce46347ec39e0b5ffadb70ebb31b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bed7b859bc3f0dfb4ac01830a0a5e5f8fce46347ec39e0b5ffadb70ebb31b2", kill_on_drop: false }`
[INFO] [stdout] 20bed7b859bc3f0dfb4ac01830a0a5e5f8fce46347ec39e0b5ffadb70ebb31b2