[INFO] cloning repository https://github.com/happenslol/n3-sdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happenslol/n3-sdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappenslol%2Fn3-sdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappenslol%2Fn3-sdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6b6f44be1b5624d132919fd2ce7ceb3ea9a53e2
[INFO] testing happenslol/n3-sdl against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappenslol%2Fn3-sdl" "/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/happenslol/n3-sdl on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/happenslol/n3-sdl
[INFO] finished tweaking git repo https://github.com/happenslol/n3-sdl
[INFO] tweaked toml for git repo https://github.com/happenslol/n3-sdl written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/happenslol/n3-sdl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] c9f940ecc1d30fb357c1948b219baa6b95238e5547cd3b1ea62841475a208abf
[INFO] running `Command { std: "docker" "start" "-a" "c9f940ecc1d30fb357c1948b219baa6b95238e5547cd3b1ea62841475a208abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f940ecc1d30fb357c1948b219baa6b95238e5547cd3b1ea62841475a208abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f940ecc1d30fb357c1948b219baa6b95238e5547cd3b1ea62841475a208abf", kill_on_drop: false }`
[INFO] [stdout] c9f940ecc1d30fb357c1948b219baa6b95238e5547cd3b1ea62841475a208abf
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f6e2b1b6808b8831291377acfd3c3cdceba6a3c0656a3e02b8443c7b7849fb2d
[INFO] running `Command { std: "docker" "start" "-a" "f6e2b1b6808b8831291377acfd3c3cdceba6a3c0656a3e02b8443c7b7849fb2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling base64 v0.4.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling cgmath v0.13.1
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling sdl2 v0.29.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling n3-sdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/context.rs:132:56
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.render_buffer.sort_by_key(|e| e.z as i32);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scene/game_scene.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(mut ctx: &mut Context) -> GameScene {
[INFO] [stdout]    |                ----^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scene/game_scene.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn draw(&self, mut ctx: &mut Context, a: f32) {
[INFO] [stdout]    |                    ----^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/entity/player.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn draw(&self, mut ctx: &mut Context, a: f32) {
[INFO] [stdout]    |                        ----^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tilemap/mod.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(mut ctx: &mut Context) -> Tilemap {
[INFO] [stdout]    |                ----^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tilemap/mod.rs:85:24
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn draw(&self, mut ctx: &mut Context) {
[INFO] [stdout]    |                        ----^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.n3_sdl.7kaeb8id-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4" "/opt/rustwide/target/debug/deps/n3_sdl-10328e659bb388d4.4vck18zabbqplgwr.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbase64-5a8ffb7c6e169dfd.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-fea39e38e405ef9e.rlib" "/opt/rustwide/target/debug/deps/libserde_json-afec03013bf64a0e.rlib" "/opt/rustwide/target/debug/deps/libdtoa-43ccdaafe82ff631.rlib" "/opt/rustwide/target/debug/deps/libitoa-d03d6a651c0582a0.rlib" "/opt/rustwide/target/debug/deps/libserde-3fc903bdc3d718bb.rlib" "/opt/rustwide/target/debug/deps/libtime-8ec89cfd18ed589c.rlib" "/opt/rustwide/target/debug/deps/libcgmath-3c746c3d236bfee8.rlib" "/opt/rustwide/target/debug/deps/libapprox-a8e85ad9a60368e3.rlib" "/opt/rustwide/target/debug/deps/libsdl2-71804771b7faa0dc.rlib" "/opt/rustwide/target/debug/deps/librand-53b09f676df3d7e1.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-2ffb2e272a7de082.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-8be5bb14f2d23c59.rlib" "/opt/rustwide/target/debug/deps/liblibc-4738de5004ae720f.rlib" "/opt/rustwide/target/debug/deps/libnum-015114fee2d26b53.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-875bfee9bfbd5663.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-3c5c692fa177d8ca.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d9811cb0f495429f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-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; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n3-sdl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f6e2b1b6808b8831291377acfd3c3cdceba6a3c0656a3e02b8443c7b7849fb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e2b1b6808b8831291377acfd3c3cdceba6a3c0656a3e02b8443c7b7849fb2d", kill_on_drop: false }`
[INFO] [stdout] f6e2b1b6808b8831291377acfd3c3cdceba6a3c0656a3e02b8443c7b7849fb2d