[INFO] updating cached repository https://github.com/davideGiovannini/rust_realtime_raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b53a925b6d28d3c1f13709d890ed47da7a7f084b
[INFO] testing davideGiovannini/rust_realtime_raytracer against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavideGiovannini%2Frust_realtime_raytracer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davideGiovannini/rust_realtime_raytracer on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f3bbd6da043f5aa6c74f75e942bba0f91a059998916a578da6e69f85fa867ae4
[INFO] running `Command { std: "docker" "start" "-a" "f3bbd6da043f5aa6c74f75e942bba0f91a059998916a578da6e69f85fa867ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bbd6da043f5aa6c74f75e942bba0f91a059998916a578da6e69f85fa867ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bbd6da043f5aa6c74f75e942bba0f91a059998916a578da6e69f85fa867ae4", kill_on_drop: false }`
[INFO] [stdout] f3bbd6da043f5aa6c74f75e942bba0f91a059998916a578da6e69f85fa867ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 9b73d47971c58f98e2f3d59d6217b4306db8d5e193153eb2cbca79a332af58fd
[INFO] running `Command { std: "docker" "start" "-a" "9b73d47971c58f98e2f3d59d6217b4306db8d5e193153eb2cbca79a332af58fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[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] [stdout] warning: associated function is never used: `new_from2points`
[INFO] [stdout]   --> src/data_structures/geom.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new_from2points(min_point: Vector, max_point: Vector) -> BoundingBox {
[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: `set`
[INFO] [stdout]    --> src/data_structures/geom.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn set(&mut self, origin: Vector, direction: Vector) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_direction`
[INFO] [stdout]    --> src/data_structures/geom.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn change_direction(&mut self, direction: Vector) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right`
[INFO] [stdout]   --> src/data_structures/camera.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn right(&self) -> Vector {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `direction`
[INFO] [stdout]   --> src/data_structures/camera.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn direction(&self) -> Vector {
[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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.raytracer.9peqsm10-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f" "/opt/rustwide/target/debug/deps/raytracer-1dfec2340bea410f.4i0dn52pfncsi6rk.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libscoped_threadpool-26cd75bd60f0f390.rlib" "/opt/rustwide/target/debug/deps/libcgmath-491d6f88f8ddcec7.rlib" "/opt/rustwide/target/debug/deps/libsdl2_ttf-90d6280fb9481fe1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-82509b8f83d3cf98.rlib" "/opt/rustwide/target/debug/deps/libsdl2-90d581272f065b1b.rlib" "/opt/rustwide/target/debug/deps/librand-b52a3b9d18061b01.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-74450907243b3511.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f47fd2e892ef96b6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-87fbe9894a50b8ae.rlib" "/opt/rustwide/target/debug/deps/libnum-cfe943a68e1b2fc0.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-fbda728bd2001eb6.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-8b42918249902e29.rlib" "/opt/rustwide/target/debug/deps/librand-3ad0809a69c8de80.rlib" "/opt/rustwide/target/debug/deps/liblibc-ea245ea200ea1bd6.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-26c015f008e10a97.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-f0b4693f045e01ff.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-9acf1e02a65a0f08.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-42c44e74a2c918ab.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-fb3c915965c95a2d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9b73d47971c58f98e2f3d59d6217b4306db8d5e193153eb2cbca79a332af58fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b73d47971c58f98e2f3d59d6217b4306db8d5e193153eb2cbca79a332af58fd", kill_on_drop: false }`
[INFO] [stdout] 9b73d47971c58f98e2f3d59d6217b4306db8d5e193153eb2cbca79a332af58fd