[INFO] updating cached repository https://github.com/davideGiovannini/rust_realtime_raytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b53a925b6d28d3c1f13709d890ed47da7a7f084b
[INFO] testing davideGiovannini/rust_realtime_raytracer against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavideGiovannini%2Frust_realtime_raytracer" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davideGiovannini/rust_realtime_raytracer on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davideGiovannini/rust_realtime_raytracer
[INFO] finished tweaking git repo https://github.com/davideGiovannini/rust_realtime_raytracer
[INFO] tweaked toml for git repo https://github.com/davideGiovannini/rust_realtime_raytracer written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/davideGiovannini/rust_realtime_raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] db61719fa91d91eb6939219bdf491aaae070f571169adf4edc8d5b865b528aa7
[INFO] running `"docker" "start" "-a" "db61719fa91d91eb6939219bdf491aaae070f571169adf4edc8d5b865b528aa7"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.19.0
[INFO] [stderr]    Compiling cgmath v0.9.1
[INFO] [stderr]    Compiling sdl2_ttf v0.19.0
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new_from2points`
[INFO] [stderr]   --> src/data_structures/geom.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new_from2points(min_point: Vector, max_point: Vector) -> BoundingBox {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]    --> src/data_structures/geom.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn set(&mut self, origin: Vector, direction: Vector) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `change_direction`
[INFO] [stderr]    --> src/data_structures/geom.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn change_direction(&mut self, direction: Vector) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `right`
[INFO] [stderr]   --> src/data_structures/camera.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn right(&self) -> Vector {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `direction`
[INFO] [stderr]   --> src/data_structures/camera.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn direction(&self) -> Vector {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.raytracer.941dnx05-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683" "/opt/rustwide/target/debug/deps/raytracer-99039a6be84e0683.4n0bpgw62rfkn1mf.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libscoped_threadpool-bad8938151791661.rlib" "/opt/rustwide/target/debug/deps/libcgmath-b093df8828ca2a07.rlib" "/opt/rustwide/target/debug/deps/libsdl2_ttf-a2700008c28312c1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6522ef0bff22d188.rlib" "/opt/rustwide/target/debug/deps/libsdl2-f5567366173ea954.rlib" "/opt/rustwide/target/debug/deps/librand-be44db660492e23e.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-6b1dbaa106413589.rlib" "/opt/rustwide/target/debug/deps/libbitflags-324f16724e52c0fa.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7ce6cd5460ae578f.rlib" "/opt/rustwide/target/debug/deps/libnum-2242bd96af3a1e7f.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-1e888994778c5a48.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-a4cdff044e4a94d6.rlib" "/opt/rustwide/target/debug/deps/librand-4ee971ff1c6f3153.rlib" "/opt/rustwide/target/debug/deps/liblibc-989a8444661bb764.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-781717308000ce17.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-ae0cea324deff902.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-1a8a691ad4bc56c9.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-e3311d7304bc3beb.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-c32d2cc2e47a9cde.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "db61719fa91d91eb6939219bdf491aaae070f571169adf4edc8d5b865b528aa7"`
[INFO] running `"docker" "rm" "-f" "db61719fa91d91eb6939219bdf491aaae070f571169adf4edc8d5b865b528aa7"`
[INFO] [stdout] db61719fa91d91eb6939219bdf491aaae070f571169adf4edc8d5b865b528aa7