[INFO] cloning repository https://github.com/dcheatha/graph-sketchpad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcheatha/graph-sketchpad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 608465657f50101af882466da60124cf16f31db9
[INFO] testing dcheatha/graph-sketchpad against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcheatha/graph-sketchpad on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcheatha/graph-sketchpad
[INFO] finished tweaking git repo https://github.com/dcheatha/graph-sketchpad
[INFO] tweaked toml for git repo https://github.com/dcheatha/graph-sketchpad written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dcheatha/graph-sketchpad already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ab770cdbfc32dac252e7bd354141c1235c1b6942e214da6bffebbfcf9950651
[INFO] running `Command { std: "docker" "start" "-a" "2ab770cdbfc32dac252e7bd354141c1235c1b6942e214da6bffebbfcf9950651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ab770cdbfc32dac252e7bd354141c1235c1b6942e214da6bffebbfcf9950651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab770cdbfc32dac252e7bd354141c1235c1b6942e214da6bffebbfcf9950651", kill_on_drop: false }`
[INFO] [stdout] 2ab770cdbfc32dac252e7bd354141c1235c1b6942e214da6bffebbfcf9950651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98a11db41da3b53130cb1fedd11c9d737aa6907562e9f75a50f5d60c885d0a86
[INFO] running `Command { std: "docker" "start" "-a" "98a11db41da3b53130cb1fedd11c9d737aa6907562e9f75a50f5d60c885d0a86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling khronos_api v3.2.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling gl_generator v0.14.1 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling gl v0.14.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling random_color v0.5.0
[INFO] [stderr]    Compiling graph-sketchpad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_color::RandomColor`
[INFO] [stdout]  --> src/graph/add_del.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use random_color::RandomColor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::Node`
[INFO] [stdout]  --> src/graph/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/graph/util.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 162 |           let node = self.nodes.iter().choose(&mut random).unwrap();
[INFO] [stdout]     |                      ----------------- immutable borrow occurs here
[INFO] [stdout] 163 |           let mut visited_nodes = vec![];
[INFO] [stdout] 164 |           self.k_color_painter_rec(&colors, &mut visited_nodes, node.index.clone());
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^
[INFO] [stdout]     |           |                                                     |
[INFO] [stdout]     |           |                                                     immutable borrow later used here
[INFO] [stdout]     |           mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[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/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.graph_sketchpad.f25c89f3-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6.25p2p1d7nq3zulfx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-15d104f144df2a7e.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-dcb52ab2d85acda3.rlib" "/opt/rustwide/target/debug/deps/librand_core-6891ed92c89dd210.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-71fa477873a1c375.rlib" "/opt/rustwide/target/debug/deps/librandom_color-6763f2af7693a896.rlib" "/opt/rustwide/target/debug/deps/librand-df2e3fff009e54ac.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-420f0b6689234536.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-1a86110d948075cd.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-4b4e10d54e032e24.rlib" "/opt/rustwide/target/debug/deps/librand_core-9b6225cd773f53a7.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-c9f4b8a5a49757c3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/libsdl2-cf3669624e051d0e.rlib" "/opt/rustwide/target/debug/deps/libc_vec-1cbd7a9e8a59e235.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-8f5abb8a47f9ec0e.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c6d9dc90f7379932.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/liblibc-6357eab4c271a403.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5534b29ea7b2d8f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-8bfbb13072fc2761.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d6d1fa92fa620f17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7cfd201521727d95.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0e8010e8fce8e5a7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-19093fec3c6dd913.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-89c4cbe9256c1890.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-73e4507673363945.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-3fe98c0f46f27964.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-a76787f08d45e37d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8cea480e62c5b261.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-1fb939608cd05a1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-842e67e3ab562f66.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0c1c8fec3b1a54cc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-689faa634b72af17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6c2c561a8181be5e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-88c4d85fe493b0a6.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5394bdb1df5df01.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lSDL2_gfx" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/graph_sketchpad-d5bdca8df0a1cce6" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[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; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graph-sketchpad` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "98a11db41da3b53130cb1fedd11c9d737aa6907562e9f75a50f5d60c885d0a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a11db41da3b53130cb1fedd11c9d737aa6907562e9f75a50f5d60c885d0a86", kill_on_drop: false }`
[INFO] [stdout] 98a11db41da3b53130cb1fedd11c9d737aa6907562e9f75a50f5d60c885d0a86