[INFO] cloning repository https://github.com/geekingfrog/rust-graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geekingfrog/rust-graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e2d9c962387380a863c33680186757d457b6bff
[INFO] testing geekingfrog/rust-graphics against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geekingfrog/rust-graphics on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geekingfrog/rust-graphics
[INFO] finished tweaking git repo https://github.com/geekingfrog/rust-graphics
[INFO] tweaked toml for git repo https://github.com/geekingfrog/rust-graphics written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/geekingfrog/rust-graphics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29bc18d28e6ef648144595aace1e9e6746b88d1e654a3ab4897bded055c2e518
[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" "29bc18d28e6ef648144595aace1e9e6746b88d1e654a3ab4897bded055c2e518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29bc18d28e6ef648144595aace1e9e6746b88d1e654a3ab4897bded055c2e518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bc18d28e6ef648144595aace1e9e6746b88d1e654a3ab4897bded055c2e518", kill_on_drop: false }`
[INFO] [stdout] 29bc18d28e6ef648144595aace1e9e6746b88d1e654a3ab4897bded055c2e518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a647d60660abc01cdaade03a56a5f4936effb4fdc4fb2fb4f2b2c57a2b0237
[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" "68a647d60660abc01cdaade03a56a5f4936effb4fdc4fb2fb4f2b2c57a2b0237", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling sdl2 v0.34.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[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 v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/sdl.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]  --> src/sdl.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2::pixels::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 64 | 
[INFO] [stdout] 65 |     let imgx = 1 << 8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/sdl.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let start = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/sdl.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let start = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/fractal.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zn`
[INFO] [stdout]   --> src/fractal.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn zn(limit: u16, c: Complex<f32>) -> u16 {
[INFO] [stdout]    |    ^^
[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" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.graphics.ap0qqupm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db" "/opt/rustwide/target/debug/deps/graphics-cffaad21898d02db.10vvn2uakijssodc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_complex-6cb75e4a7943c1dc.rlib" "/opt/rustwide/target/debug/deps/libsdl2-8bb98ef61300f05b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-78cd4099b801a656.rlib" "/opt/rustwide/target/debug/deps/librand-552ab70238780e38.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-b2b4cbf0a7ade870.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-0c274e06045c6a6e.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-5f9e5d40415e8333.rlib" "/opt/rustwide/target/debug/deps/librand_core-43a90a17db9132f5.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-d98310852f233228.rlib" "/opt/rustwide/target/debug/deps/libimage-c7426d2395818d92.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-226c0e5d5a9aeaad.rlib" "/opt/rustwide/target/debug/deps/libpng-ba1bfb9c542db624.rlib" "/opt/rustwide/target/debug/deps/libinflate-3207ae25d5bf6fe2.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-c26169e315fbc542.rlib" "/opt/rustwide/target/debug/deps/libdeflate-569fb7109695a218.rlib" "/opt/rustwide/target/debug/deps/libbitflags-df474a8ca45884a8.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-2ba739b376223df4.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-90d515f95f72f138.rlib" "/opt/rustwide/target/debug/deps/librayon-b31cd94463a8d037.rlib" "/opt/rustwide/target/debug/deps/librayon_core-4faf696b7317fb61.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-926a6063e7a1f285.rlib" "/opt/rustwide/target/debug/deps/liblibc-1394abe0633c5989.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-266296ea2342ccca.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-d11b86fda3ce7c29.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-35fe44f97c4e15ff.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4c9e30f2e7684fc3.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-5a49b382f35a1395.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-9927338b5ed04e03.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-9da774b3463b5176.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4c6be1962c556cf0.rlib" "/opt/rustwide/target/debug/deps/libeither-b4fafca51080a5e0.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-11e74d797b60fabd.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-81604cd096d35965.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-ce8502747e00d7a4.rlib" "/opt/rustwide/target/debug/deps/libgif-1502cd5519aa1391.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-c62edbc34292a4ab.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9a478b99c0f5d30d.rlib" "/opt/rustwide/target/debug/deps/libtiff-fd61c4b55b13f2a8.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-261889f8467fb040.rlib" "/opt/rustwide/target/debug/deps/libadler32-9f25c8b4bfdf98a3.rlib" "/opt/rustwide/target/debug/deps/liblzw-63170644178dc297.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-dd535ee656aacf25.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphics`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "68a647d60660abc01cdaade03a56a5f4936effb4fdc4fb2fb4f2b2c57a2b0237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a647d60660abc01cdaade03a56a5f4936effb4fdc4fb2fb4f2b2c57a2b0237", kill_on_drop: false }`
[INFO] [stdout] 68a647d60660abc01cdaade03a56a5f4936effb4fdc4fb2fb4f2b2c57a2b0237