[INFO] updating cached repository tripped/tarnished
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tripped/tarnished
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tripped/tarnished" "work/ex/beta-1.38-1/sources/1.37.0/gh/tripped/tarnished"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tripped/tarnished'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tripped/tarnished" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tripped/tarnished"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tripped/tarnished'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dcc685426aa88cb319f4d3f27f49898f054347e3
[INFO] sha for GitHub repo tripped/tarnished: dcc685426aa88cb319f4d3f27f49898f054347e3
[INFO] validating manifest of tripped/tarnished 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 tripped/tarnished 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 tripped/tarnished
[INFO] finished frobbing tripped/tarnished
[INFO] frobbed toml for tripped/tarnished written to work/ex/beta-1.38-1/sources/1.37.0/gh/tripped/tarnished/Cargo.toml
[INFO] started frobbing tripped/tarnished
[INFO] finished frobbing tripped/tarnished
[INFO] frobbed toml for tripped/tarnished written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tripped/tarnished/Cargo.toml
[INFO] crate tripped/tarnished 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] 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 tripped/tarnished against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tripped/tarnished:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d00343ad16e263298365277ae007a844876033072adc8c6b6439c8ec151d7bbc
[INFO] running `"docker" "start" "-a" "d00343ad16e263298365277ae007a844876033072adc8c6b6439c8ec151d7bbc"`
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling custom_derive v0.1.5
[INFO] [stderr]    Compiling snes_spc v0.1.2 (https://github.com/tripped/rust-snes_spc#cd0ba8a2)
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-complex v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.1.32
[INFO] [stderr]    Compiling skeptic v0.6.1
[INFO] [stderr]    Compiling carboxyl v0.2.1
[INFO] [stderr]    Compiling num-rational v0.1.32
[INFO] [stderr]    Compiling num v0.1.32
[INFO] [stderr]    Compiling sdl2 v0.19.0
[INFO] [stderr]    Compiling sdl2_ttf v0.19.0
[INFO] [stderr]    Compiling sdl2_image v0.19.0
[INFO] [stderr]    Compiling tarnished v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sink`
[INFO] [stderr]  --> src/scene.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use carboxyl::{Signal, Stream, Sink};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     object: &'a Visible,
[INFO] [stderr]    |                 ^^^^^^^ help: use `dyn`: `dyn Visible`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:56:40
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn add(&mut self, element: &'a Visible, z_index: i32) {
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Visible`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `births`
[INFO] [stderr]    --> src/scene.rs:330:15
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn population(births: Stream<Birth>) -> Signal<Vec<Signal<Show>>> {
[INFO] [stderr]     |               ^^^^^^ help: consider prefixing with an underscore: `_births`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/physics.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     x: f32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]  --> src/physics.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     y: f32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/scene.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn pop(&mut self) -> Instruction<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sprite`
[INFO] [stderr]    --> src/scene.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     Sprite(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `world`
[INFO] [stderr]    --> src/scene.rs:284:1
[INFO] [stderr]     |
[INFO] [stderr] 284 | fn world(gen: Stream<Signal<Show>>) -> Signal<Vec<Show>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Birth`
[INFO] [stderr]    --> src/scene.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     Birth(Signal<Show>)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `population`
[INFO] [stderr]    --> src/scene.rs:330:1
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn population(births: Stream<Birth>) -> Signal<Vec<Signal<Show>>> {
[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/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.tarnished.bu5mih12-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd" "/opt/crater/target/debug/deps/tarnished-0c9a9bec529a17bd.44bbzvn30583w14a.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/snes_spc-3af028311c4e3bcb/out" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libtime-6365a4fff1383b57.rlib" "/opt/crater/target/debug/deps/libsnes_spc-366d9fdf29acf04a.rlib" "/opt/crater/target/debug/deps/libsdl2_ttf-611877422ccf13e8.rlib" "/opt/crater/target/debug/deps/libsdl2_image-b95326d752b10d4d.rlib" "/opt/crater/target/debug/deps/libbitflags-b0c72cc86367f243.rlib" "/opt/crater/target/debug/deps/libsdl2-4e3659d5965c8b67.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-6e4acaf2e73bec30.rlib" "/opt/crater/target/debug/deps/libbitflags-313af043a2508ce8.rlib" "/opt/crater/target/debug/deps/liblazy_static-f1f8ad4d819326e9.rlib" "/opt/crater/target/debug/deps/libnum-e1f36a4f5d33e07a.rlib" "/opt/crater/target/debug/deps/libnum_rational-c94989d181833fca.rlib" "/opt/crater/target/debug/deps/libnum_bigint-a4194f89b05558b7.rlib" "/opt/crater/target/debug/deps/librand-79f196c8e6141242.rlib" "/opt/crater/target/debug/deps/liblibc-a01af4c004fe8646.rlib" "/opt/crater/target/debug/deps/libnum_complex-8dfbf8eb24dc055b.rlib" "/opt/crater/target/debug/deps/librustc_serialize-cc29b8ffd74fbfca.rlib" "/opt/crater/target/debug/deps/libnum_iter-8df5f73d9c2f844b.rlib" "/opt/crater/target/debug/deps/libnum_integer-4d9755379aecc0d6.rlib" "/opt/crater/target/debug/deps/libnum_traits-5a36ebc13be02903.rlib" "/opt/crater/target/debug/deps/libconv-23ce9afd173cf594.rlib" "/opt/crater/target/debug/deps/libcustom_derive-51e9885a59d88c26.rlib" "/opt/crater/target/debug/deps/libcarboxyl-c4e06665a3552574.rlib" "/opt/crater/target/debug/deps/liblazy_static-77397d332fc5c1af.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2_image" "-lSDL2" "-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_image
[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 `tarnished`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d00343ad16e263298365277ae007a844876033072adc8c6b6439c8ec151d7bbc"`
[INFO] running `"docker" "rm" "-f" "d00343ad16e263298365277ae007a844876033072adc8c6b6439c8ec151d7bbc"`
[INFO] [stdout] d00343ad16e263298365277ae007a844876033072adc8c6b6439c8ec151d7bbc