[INFO] cloning repository https://github.com/rottencandy/rcomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rottencandy/rcomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frottencandy%2Frcomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frottencandy%2Frcomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 075f964acd353e7d48bc5aef32e492b36e6bb5bc
[INFO] testing rottencandy/rcomp 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%2Frottencandy%2Frcomp" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rottencandy/rcomp 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/rottencandy/rcomp
[INFO] finished tweaking git repo https://github.com/rottencandy/rcomp
[INFO] tweaked toml for git repo https://github.com/rottencandy/rcomp written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rottencandy/rcomp 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 xml-rs v0.8.2
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6931598811f73456f4b1bc6828fc1dc3b52fa2c80f20070fb80e50657dd77ad0
[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" "6931598811f73456f4b1bc6828fc1dc3b52fa2c80f20070fb80e50657dd77ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6931598811f73456f4b1bc6828fc1dc3b52fa2c80f20070fb80e50657dd77ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6931598811f73456f4b1bc6828fc1dc3b52fa2c80f20070fb80e50657dd77ad0", kill_on_drop: false }`
[INFO] [stdout] 6931598811f73456f4b1bc6828fc1dc3b52fa2c80f20070fb80e50657dd77ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d2fea20f2bd713298091278a6594dad0202ec2e8e98b6cf439d04fd22e5cf204
[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" "d2fea20f2bd713298091278a6594dad0202ec2e8e98b6cf439d04fd22e5cf204", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling rcomp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `unbind`
[INFO] [stdout]   --> src/backend/opengl/buffer.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn unbind() {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unbind`
[INFO] [stdout]   --> src/backend/opengl/buffer.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn unbind() {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_gl_error`
[INFO] [stdout]    --> src/backend/opengl/setup.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub unsafe fn check_gl_error() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_attrib_location`
[INFO] [stdout]    --> src/backend/opengl/shader.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn get_attrib_location(&self, name: &str) -> gl::types::GLint {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_active`
[INFO] [stdout]   --> src/backend/opengl/texture.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn set_active(i: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unbind`
[INFO] [stdout]   --> src/backend/opengl/texture.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn unbind() {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_geometry`
[INFO] [stdout]   --> src/window.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn update_geometry(&mut self, conn: &xcb::Connection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/backend/opengl/shader.rs:127:45
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 CString::new(name).unwrap().as_ptr(),
[INFO] [stdout]     |                 --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/backend/opengl/shader.rs:134:52
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let name_arr = CString::new(name).unwrap().as_ptr();
[INFO] [stdout]     |                        --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[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/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.rcomp.91wkmew3-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e" "/opt/rustwide/target/debug/deps/rcomp-09c502c6c23ac41e.3d9lsutexp1zw0sy.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" "/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/libgl-ec60103f7468d1e4.rlib" "/opt/rustwide/target/debug/deps/libxcb-87230b856dc600b2.rlib" "/opt/rustwide/target/debug/deps/liblog-b8afdaab1dba77fa.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/libx11-d707224d619bcfeb.rlib" "/opt/rustwide/target/debug/deps/liblibc-121ee6ec9e75e27f.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" "-lxcb" "-lX11-xcb" "-lxcb" "-lxcb" "-lxcb" "-lxcb-composite" "-lxcb-damage" "-lxcb-dri2" "-lxcb-randr" "-lxcb-render" "-lxcb-shape" "-lxcb-xfixes" "-lGL" "-lX11" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lxcb-composite
[INFO] [stdout]           /usr/bin/ld: cannot find -lxcb-damage
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcomp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d2fea20f2bd713298091278a6594dad0202ec2e8e98b6cf439d04fd22e5cf204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fea20f2bd713298091278a6594dad0202ec2e8e98b6cf439d04fd22e5cf204", kill_on_drop: false }`
[INFO] [stdout] d2fea20f2bd713298091278a6594dad0202ec2e8e98b6cf439d04fd22e5cf204