[INFO] updating cached repository bcamp1/Gravisim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bcamp1/Gravisim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bcamp1/Gravisim" "work/ex/beta-1.38-1/sources/1.37.0/gh/bcamp1/Gravisim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bcamp1/Gravisim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bcamp1/Gravisim" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bcamp1/Gravisim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bcamp1/Gravisim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3dbbddea8fc708657bbb6fc1993272fb5f73978b
[INFO] sha for GitHub repo bcamp1/Gravisim: 3dbbddea8fc708657bbb6fc1993272fb5f73978b
[INFO] validating manifest of bcamp1/Gravisim on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bcamp1/Gravisim on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bcamp1/Gravisim
[INFO] finished frobbing bcamp1/Gravisim
[INFO] frobbed toml for bcamp1/Gravisim written to work/ex/beta-1.38-1/sources/1.37.0/gh/bcamp1/Gravisim/Cargo.toml
[INFO] started frobbing bcamp1/Gravisim
[INFO] finished frobbing bcamp1/Gravisim
[INFO] frobbed toml for bcamp1/Gravisim written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bcamp1/Gravisim/Cargo.toml
[INFO] crate bcamp1/Gravisim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing bcamp1/Gravisim against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bcamp1/Gravisim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] aa41ac5df3393d8462b2da7a49819ab89ecb1bcc6d61e49441afc1de0ee9e96e
[INFO] running `"docker" "start" "-a" "aa41ac5df3393d8462b2da7a49819ab89ecb1bcc6d61e49441afc1de0ee9e96e"`
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[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 stopwatch v0.0.7
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling gravisim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `sdl2::pixels::Color`
[INFO] [stderr]  --> src/body.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sdl2::pixels::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res_mult` is never read
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut res_mult = 1.0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pmouse_pressed` is never read
[INFO] [stderr]   --> src/main.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut pmouse_pressed = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_time`
[INFO] [stderr]   --> src/body.rs:44:47
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn update_self(&mut self, mult: &f32, total_time: &f32) {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: consider prefixing with an underscore: `_total_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mult`
[INFO] [stderr]   --> src/body.rs:58:51
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn compute_gravity(&mut self, body: Body, mult: &f32) {
[INFO] [stderr]    |                                                   ^^^^ help: consider prefixing with an underscore: `_mult`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `context`
[INFO] [stderr]  --> src/gui.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     context: &'a Sdl2TtfContext,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `filename`
[INFO] [stderr]   --> src/gui.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     filename: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_color`
[INFO] [stderr]   --> src/gui.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn set_color(&mut self, color: Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_font_size`
[INFO] [stderr]   --> src/gui.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn set_font_size(&mut self, size: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/body.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         canvas.filled_circle(t.0 as i16, t.1 as i16, (self.size * cam.zoom) as i16, (255, color_g, 255, 255));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.gravisim.7ivw5ifn-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365" "/opt/crater/target/debug/deps/gravisim-af3b35a24addc365.ku3te1s9r5itfkq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libstopwatch-b92dc48cc2f763f1.rlib" "/opt/crater/target/debug/deps/libsdl2-8600a71c858a0ef8.rlib" "/opt/crater/target/debug/deps/librand-1b0288dad4b2bf59.rlib" "/opt/crater/target/debug/deps/librand_xorshift-7b19cb00158fa6fb.rlib" "/opt/crater/target/debug/deps/librand_pcg-65721c37f161e149.rlib" "/opt/crater/target/debug/deps/librand_hc-0652ab44c5db9eb2.rlib" "/opt/crater/target/debug/deps/librand_chacha-11361bf4dfc3f2ea.rlib" "/opt/crater/target/debug/deps/librand_isaac-a4f79f4126c1f25d.rlib" "/opt/crater/target/debug/deps/librand_core-4dce960811a60b1d.rlib" "/opt/crater/target/debug/deps/librand_os-b02e37ab2c3bc164.rlib" "/opt/crater/target/debug/deps/librand_jitter-3f7e8a2892ed93ea.rlib" "/opt/crater/target/debug/deps/librand_core-948b7aad8fedc31f.rlib" "/opt/crater/target/debug/deps/libc_vec-3e1e1d6eb7fec27f.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-3747d349d965b91e.rlib" "/opt/crater/target/debug/deps/libbitflags-67998902f09e32c1.rlib" "/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rlib" "/opt/crater/target/debug/deps/libnum-5c61943ba4317aa4.rlib" "/opt/crater/target/debug/deps/libnum_rational-71444086ebbd4bc1.rlib" "/opt/crater/target/debug/deps/libnum_bigint-b97ba1dbd368614d.rlib" "/opt/crater/target/debug/deps/librand-5391a6fdb4c1a1fe.rlib" "/opt/crater/target/debug/deps/liblibc-c11b30bd1598d379.rlib" "/opt/crater/target/debug/deps/libnum_complex-2013bef12484f497.rlib" "/opt/crater/target/debug/deps/librustc_serialize-fc0a027b4489f806.rlib" "/opt/crater/target/debug/deps/libnum_iter-c2670023c017b43e.rlib" "/opt/crater/target/debug/deps/libnum_integer-2746dc7a3b917a7f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b79693a5d7e93180.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lSDL2_gfx" "-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]           /usr/bin/ld: cannot find -lSDL2_gfx
[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 `gravisim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aa41ac5df3393d8462b2da7a49819ab89ecb1bcc6d61e49441afc1de0ee9e96e"`
[INFO] running `"docker" "rm" "-f" "aa41ac5df3393d8462b2da7a49819ab89ecb1bcc6d61e49441afc1de0ee9e96e"`
[INFO] [stdout] aa41ac5df3393d8462b2da7a49819ab89ecb1bcc6d61e49441afc1de0ee9e96e