[INFO] cloning repository https://github.com/gabrielpoca/midi-sequencer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrielpoca/midi-sequencer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpoca%2Fmidi-sequencer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpoca%2Fmidi-sequencer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ec521913a84fa19714ccf32010d9d167a2ee7bc
[INFO] testing gabrielpoca/midi-sequencer against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpoca%2Fmidi-sequencer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabrielpoca/midi-sequencer on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabrielpoca/midi-sequencer
[INFO] finished tweaking git repo https://github.com/gabrielpoca/midi-sequencer
[INFO] tweaked toml for git repo https://github.com/gabrielpoca/midi-sequencer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gabrielpoca/midi-sequencer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alsa v0.2.2
[INFO] [stderr]   Downloaded tui v0.5.1
[INFO] [stderr]   Downloaded coremidi v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b465c9b5336a0e729473ed1a41e51119337e98ad784991d22f9606057d01a78d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b465c9b5336a0e729473ed1a41e51119337e98ad784991d22f9606057d01a78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b465c9b5336a0e729473ed1a41e51119337e98ad784991d22f9606057d01a78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b465c9b5336a0e729473ed1a41e51119337e98ad784991d22f9606057d01a78d", kill_on_drop: false }`
[INFO] [stdout] b465c9b5336a0e729473ed1a41e51119337e98ad784991d22f9606057d01a78d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c23a2c28cda0ee468f5b5dda0d79af4310c0bd41f81a7bd3fa4f27ca477773c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c23a2c28cda0ee468f5b5dda0d79af4310c0bd41f81a7bd3fa4f27ca477773c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling tui v0.5.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling alsa v0.2.2
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/output.rs:21:50
[INFO] [stdout]    |
[INFO] [stdout] 21 |                         match msg.unwrap_or_else({|_| Event::None }) {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/output.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_port() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/player/mod.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let event = msg.unwrap_or_else({ |_| Event::None });
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/ui/render.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn run() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(err) => println!("Error: {}", err.description()),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ui/render.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut window = video_subsystem
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.midi.ezbbu2oe-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208" "/opt/rustwide/target/debug/deps/midi-dfbec37cf7cfd208.1432cotdfnmtt2pr.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmidir-aed0b622f33a77c5.rlib" "/opt/rustwide/target/debug/deps/libalsa-ad1923cc6ad2a914.rlib" "/opt/rustwide/target/debug/deps/libnix-a19c9bfd21ffe1e3.rlib" "/opt/rustwide/target/debug/deps/libvoid-2252400e8925513f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-244aa335565f38bd.rlib" "/opt/rustwide/target/debug/deps/libalsa_sys-c015e0bf1d605040.rlib" "/opt/rustwide/target/debug/deps/libmemalloc-f3e3792debd45b81.rlib" "/opt/rustwide/target/debug/deps/libsdl2-c89d9ee629699cc9.rlib" "/opt/rustwide/target/debug/deps/librand-fccb556693d8cfc4.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-da7de8a60151494c.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-e36e3fbca206ddef.rlib" "/opt/rustwide/target/debug/deps/librand_hc-13ffe96918f37cdc.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-c50d60c66a507542.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4944f4f9bac790d9.rlib" "/opt/rustwide/target/debug/deps/librand_core-0577083de755613d.rlib" "/opt/rustwide/target/debug/deps/librand_os-120826c86095dd10.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-52adf27236e22c18.rlib" "/opt/rustwide/target/debug/deps/librand_core-c2d08cfa7423325a.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-e110ea070095890c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-82bd363beea55b11.rlib" "/opt/rustwide/target/debug/deps/libnum-efea172225bcbf92.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-e48c582185b9ac4d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-5915a7708a91727a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e4d8810d4c25fdcb.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-6b667efdfb3b941c.rlib" "/opt/rustwide/target/debug/deps/libregex-a4a50a254ba5cabb.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-2af6ed11f18b25b1.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-d034cc26e91fa6c3.rlib" "/opt/rustwide/target/debug/deps/libucd_util-cc1f90e57010ca73.rlib" "/opt/rustwide/target/debug/deps/libthread_local-47d3ba082bfdef8f.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-e8bfa18e55f08d9c.rlib" "/opt/rustwide/target/debug/deps/libmemchr-b21daad199485058.rlib" "/opt/rustwide/target/debug/deps/libatty-a5c291a5c3f0e500.rlib" "/opt/rustwide/target/debug/deps/liblibc-db4d7c3ce251b99c.rlib" "/opt/rustwide/target/debug/deps/libhumantime-32e669c204120188.rlib" "/opt/rustwide/target/debug/deps/libquick_error-5be80c9859951c00.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-131b880846a04f3c.rlib" "/opt/rustwide/target/debug/deps/liblog-86b20ed4cbf66b76.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-0a72c6d2315867e6.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-bc44b28840f7ad0c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-1a204bb1f8fbf18c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ea4caa07bd58fe44.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e18a0c7dbfab00df.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lasound" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6c23a2c28cda0ee468f5b5dda0d79af4310c0bd41f81a7bd3fa4f27ca477773c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c23a2c28cda0ee468f5b5dda0d79af4310c0bd41f81a7bd3fa4f27ca477773c", kill_on_drop: false }`
[INFO] [stdout] 6c23a2c28cda0ee468f5b5dda0d79af4310c0bd41f81a7bd3fa4f27ca477773c