[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcheatha/graph-sketchpad on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45d5d931cdd81509f869ef8565e8f8014b2826fdd4f3b02b36286a47e7007806
[INFO] running `Command { std: "docker" "start" "-a" "45d5d931cdd81509f869ef8565e8f8014b2826fdd4f3b02b36286a47e7007806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d5d931cdd81509f869ef8565e8f8014b2826fdd4f3b02b36286a47e7007806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d5d931cdd81509f869ef8565e8f8014b2826fdd4f3b02b36286a47e7007806", kill_on_drop: false }`
[INFO] [stdout] 45d5d931cdd81509f869ef8565e8f8014b2826fdd4f3b02b36286a47e7007806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 466c029f40ab40adc6eca4a860cfaed1efb1bc0ea4ff9f8c2e4b7351ddc2daf0
[INFO] running `Command { std: "docker" "start" "-a" "466c029f40ab40adc6eca4a860cfaed1efb1bc0ea4ff9f8c2e4b7351ddc2daf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling khronos_api v3.2.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[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 v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling gl v0.14.0 (https://github.com/bjz/gl-rs#1cd256c7)
[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]     |           ^^^^ mutable borrow occurs here                       ---------- immutable borrow later used 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-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.graph_sketchpad.20a2c89f-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7.2g7evt1nn61qk1ky.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-ce381d422529606f.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-97b22c5e79c6b0e6.rlib" "/opt/rustwide/target/debug/deps/librand_core-70b8f3639574dcbc.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-581748fa24324e49.rlib" "/opt/rustwide/target/debug/deps/librandom_color-ece96e98f19c7924.rlib" "/opt/rustwide/target/debug/deps/librand-8f2e13ade4f16311.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-152c6fe107cd723e.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-45a1e25d481b6175.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-82bdeb907cc2ed56.rlib" "/opt/rustwide/target/debug/deps/librand_core-3fe4b03f7fa54cb9.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-7b216562edd68dce.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-de9cbe0cb77e19a3.rlib" "/opt/rustwide/target/debug/deps/libsdl2-a442273ae3e089f0.rlib" "/opt/rustwide/target/debug/deps/libc_vec-64adc4f640d38272.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-36a75a82d76185b8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/liblibc-9cb545080550973e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.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/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/graph_sketchpad-a89c537fac71f8f7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-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" "466c029f40ab40adc6eca4a860cfaed1efb1bc0ea4ff9f8c2e4b7351ddc2daf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466c029f40ab40adc6eca4a860cfaed1efb1bc0ea4ff9f8c2e4b7351ddc2daf0", kill_on_drop: false }`
[INFO] [stdout] 466c029f40ab40adc6eca4a860cfaed1efb1bc0ea4ff9f8c2e4b7351ddc2daf0