[INFO] cloning repository https://github.com/deckarep/flappy-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deckarep/flappy-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb833582e9eb5c53fd9bc3f858467cca74e942d7
[INFO] testing deckarep/flappy-rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deckarep/flappy-rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deckarep/flappy-rust
[INFO] finished tweaking git repo https://github.com/deckarep/flappy-rust
[INFO] tweaked toml for git repo https://github.com/deckarep/flappy-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/deckarep/flappy-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94e45e3b1a0cb32e8b0bc19663d4b6ce272bf4759d261a42278725f20d9ae7bc
[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" "94e45e3b1a0cb32e8b0bc19663d4b6ce272bf4759d261a42278725f20d9ae7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e45e3b1a0cb32e8b0bc19663d4b6ce272bf4759d261a42278725f20d9ae7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e45e3b1a0cb32e8b0bc19663d4b6ce272bf4759d261a42278725f20d9ae7bc", kill_on_drop: false }`
[INFO] [stdout] 94e45e3b1a0cb32e8b0bc19663d4b6ce272bf4759d261a42278725f20d9ae7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381128c14dcf46656852403ac1c1d5a6618605a84844a68c93609f5df7cdb917
[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" "381128c14dcf46656852403ac1c1d5a6618605a84844a68c93609f5df7cdb917", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling sdl2 v0.29.1
[INFO] [stderr]    Compiling flappy-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     children: Vec<Rc<RefCell<Displayable>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut children: Vec<Rc<RefCell<Displayable>>> = Vec::new();
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn add_child(&mut self, child: Rc<RefCell<Displayable>>) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.flappy_rust.9wrxcp2q-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826" "/opt/rustwide/target/debug/deps/flappy_rust-a0d961182f4e6826.4rbmle5kwfvn52lg.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-60db633d583e5b74.rlib" "/opt/rustwide/target/debug/deps/librand-e2e94aae8de33e56.rlib" "/opt/rustwide/target/debug/deps/libc_vec-29f5159567c00081.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-377e30c5e9434c39.rlib" "/opt/rustwide/target/debug/deps/libbitflags-032ea61c97bf3967.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-28c099b5396a8492.rlib" "/opt/rustwide/target/debug/deps/liblibc-e7e5a822d178368d.rlib" "/opt/rustwide/target/debug/deps/libnum-3129e229c97c355c.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-879d5919739def9b.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b95f533d838d2355.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-91984254eaf8390f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2_image" "-lSDL2_mixer" "-lSDL2_gfx" "-lSDL2" "-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]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flappy-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "381128c14dcf46656852403ac1c1d5a6618605a84844a68c93609f5df7cdb917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381128c14dcf46656852403ac1c1d5a6618605a84844a68c93609f5df7cdb917", kill_on_drop: false }`
[INFO] [stdout] 381128c14dcf46656852403ac1c1d5a6618605a84844a68c93609f5df7cdb917
