[INFO] updating cached repository Isaac-Lozano/AppleIIr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Isaac-Lozano/AppleIIr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Isaac-Lozano/AppleIIr" "work/ex/beta-1.37-6/sources/1.36.0/gh/Isaac-Lozano/AppleIIr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Isaac-Lozano/AppleIIr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Isaac-Lozano/AppleIIr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Isaac-Lozano/AppleIIr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Isaac-Lozano/AppleIIr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48ab4d8025d85796bc97f26bd319735df3aa1435
[INFO] sha for GitHub repo Isaac-Lozano/AppleIIr: 48ab4d8025d85796bc97f26bd319735df3aa1435
[INFO] validating manifest of Isaac-Lozano/AppleIIr on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Isaac-Lozano/AppleIIr on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Isaac-Lozano/AppleIIr
[INFO] finished frobbing Isaac-Lozano/AppleIIr
[INFO] frobbed toml for Isaac-Lozano/AppleIIr written to work/ex/beta-1.37-6/sources/1.36.0/gh/Isaac-Lozano/AppleIIr/Cargo.toml
[INFO] started frobbing Isaac-Lozano/AppleIIr
[INFO] finished frobbing Isaac-Lozano/AppleIIr
[INFO] frobbed toml for Isaac-Lozano/AppleIIr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Isaac-Lozano/AppleIIr/Cargo.toml
[INFO] crate Isaac-Lozano/AppleIIr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Isaac-Lozano/AppleIIr against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Isaac-Lozano/AppleIIr:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37cf7c20a76654569da952bc20962b9835d6cb2ce553e784d95b514934fc8270
[INFO] running `"docker" "start" "-a" "37cf7c20a76654569da952bc20962b9835d6cb2ce553e784d95b514934fc8270"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling r6502 v0.1.0 (https://github.com/Isaac-Lozano/r6502#2c9218b5)
[INFO] [stderr]    Compiling num v0.1.36
[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] 
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling sdl2 v0.27.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling appleiir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `remove_card`
[INFO] [stderr]   --> src/mapper.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn remove_card(&mut self, slot: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_second_disk`
[INFO] [stderr]    --> src/peripheral_card/disk.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 | /     pub fn set_second_disk<R>(&mut self, disk: R)
[INFO] [stderr] 291 | |         where R: Read
[INFO] [stderr] 292 | |     {
[INFO] [stderr] 293 | |         self.drives[1].add_disk(disk);
[INFO] [stderr] 294 | |     }
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.appleiir.950demgu-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a" "/opt/crater/target/debug/deps/appleiir-a5c06b439041693a.1fzhy85pxvfcogve.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libenv_logger-d2308385ea3e01a4.rlib" "/opt/crater/target/debug/deps/libregex-9b79d6a2beb4499b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-00f0fc1fcb3347d8.rlib" "/opt/crater/target/debug/deps/libregex_syntax-5f2e8797984afb68.rlib" "/opt/crater/target/debug/deps/libthread_local-2215f3aa5e2f7974.rlib" "/opt/crater/target/debug/deps/libthread_id-b4a5f92c53f36d17.rlib" "/opt/crater/target/debug/deps/libaho_corasick-4afe7cdbc84761f3.rlib" "/opt/crater/target/debug/deps/libmemchr-a1270c1d7fb8c6ef.rlib" "/opt/crater/target/debug/deps/liblog-6ed9f332a2a9d379.rlib" "/opt/crater/target/debug/deps/libsdl2-c875246f67291d9e.rlib" "/opt/crater/target/debug/deps/librand-5d489187a9b4c21e.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-0119f0496e246276.rlib" "/opt/crater/target/debug/deps/liblazy_static-d7718b504e03d468.rlib" "/opt/crater/target/debug/deps/liblibc-e444f8f33bb3c635.rlib" "/opt/crater/target/debug/deps/libnum-10f90ea37a106ae2.rlib" "/opt/crater/target/debug/deps/libnum_iter-0f89e24b063e10a9.rlib" "/opt/crater/target/debug/deps/libnum_integer-04eeb9b5654fb2cc.rlib" "/opt/crater/target/debug/deps/libnum_traits-5f46d2a51c998e26.rlib" "/opt/crater/target/debug/deps/libr6502-f8f3e025343745e2.rlib" "/opt/crater/target/debug/deps/libbitflags-df219a1ec24cdf3b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /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 `appleiir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37cf7c20a76654569da952bc20962b9835d6cb2ce553e784d95b514934fc8270"`
[INFO] running `"docker" "rm" "-f" "37cf7c20a76654569da952bc20962b9835d6cb2ce553e784d95b514934fc8270"`
[INFO] [stdout] 37cf7c20a76654569da952bc20962b9835d6cb2ce553e784d95b514934fc8270