[INFO] cloning repository https://github.com/pjfsw/jump2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjfsw/jump2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjfsw%2Fjump2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjfsw%2Fjump2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f2b474dd3368514736d0794108483198238edf1
[INFO] testing pjfsw/jump2 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjfsw%2Fjump2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pjfsw/jump2 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/pjfsw/jump2
[INFO] finished tweaking git repo https://github.com/pjfsw/jump2
[INFO] tweaked toml for git repo https://github.com/pjfsw/jump2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pjfsw/jump2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e075892951c1b49888020af62d87b5a1549efd8890fccb4999219da29c0c28
[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" "f3e075892951c1b49888020af62d87b5a1549efd8890fccb4999219da29c0c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e075892951c1b49888020af62d87b5a1549efd8890fccb4999219da29c0c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e075892951c1b49888020af62d87b5a1549efd8890fccb4999219da29c0c28", kill_on_drop: false }`
[INFO] [stdout] f3e075892951c1b49888020af62d87b5a1549efd8890fccb4999219da29c0c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 1105b02bf78406db2efd20c770e61f17b99e36778c71555e3520ee3561328596
[INFO] running `Command { std: "docker" "start" "-a" "1105b02bf78406db2efd20c770e61f17b99e36778c71555e3520ee3561328596", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jump2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let player = player::player::Player::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]  --> src/player/player.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pos: Point
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pos`
[INFO] [stdout]   --> src/player/player.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn get_pos(&self) -> Point {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pos`
[INFO] [stdout]   --> src/player/player.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn set_pos(&mut self, pos: Point) {
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.jump2.14wh4ly2-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd" "/opt/rustwide/target/debug/deps/jump2-264001d5dd81a7fd.1bv0fx9ve9wouw7j.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/libsdl2-4d901c3e40ded574.rlib" "/opt/rustwide/target/debug/deps/librand-86f0650e0e8d7a96.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-716d63fd76a0fe98.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-8c3fe0cebc0277da.rlib" "/opt/rustwide/target/debug/deps/librand_hc-4231c088ff76b208.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-93019106e9a94e72.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-cb6ff27a0198ffaa.rlib" "/opt/rustwide/target/debug/deps/librand_core-576f07123c305a17.rlib" "/opt/rustwide/target/debug/deps/librand_os-29a3b2fe50f1d2b4.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-179f10980ade89d3.rlib" "/opt/rustwide/target/debug/deps/librand_core-fe89edf997f58b50.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-83cc8395319bdfa4.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/liblibc-0f3e6c6e62d4b7c7.rlib" "/opt/rustwide/target/debug/deps/libnum-a1106d0ea4bcff4e.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-84ce403ec14407b5.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-082918df9df765d6.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-5ce61b4fa3888f73.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" "-lSDL2_image" "-lutil" "-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; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jump2`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1105b02bf78406db2efd20c770e61f17b99e36778c71555e3520ee3561328596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1105b02bf78406db2efd20c770e61f17b99e36778c71555e3520ee3561328596", kill_on_drop: false }`
[INFO] [stdout] 1105b02bf78406db2efd20c770e61f17b99e36778c71555e3520ee3561328596