[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-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frottencandy%2Frcomp" "/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/rottencandy/rcomp on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-4/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-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6e9af56977acf4c008b7e50aacafbe59f8fe4e171bf645d9a1c2d88032c5b07
[INFO] running `Command { std: "docker" "start" "-a" "b6e9af56977acf4c008b7e50aacafbe59f8fe4e171bf645d9a1c2d88032c5b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e9af56977acf4c008b7e50aacafbe59f8fe4e171bf645d9a1c2d88032c5b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e9af56977acf4c008b7e50aacafbe59f8fe4e171bf645d9a1c2d88032c5b07", kill_on_drop: false }`
[INFO] [stdout] b6e9af56977acf4c008b7e50aacafbe59f8fe4e171bf645d9a1c2d88032c5b07
[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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba090a5a9af858c61aa02970883c2e34a4ed3aefd7236014dcef182f28027c1f
[INFO] running `Command { std: "docker" "start" "-a" "ba090a5a9af858c61aa02970883c2e34a4ed3aefd7236014dcef182f28027c1f", kill_on_drop: false }`
[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] 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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.rcomp.a08qwynf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008" "/opt/rustwide/target/debug/deps/rcomp-d912e5c8b1eb2008.33j6rdxa9yk0mz6r.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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgl-3b3d1e01d276ec0d.rlib" "/opt/rustwide/target/debug/deps/libxcb-a1d9a0ebb03471d7.rlib" "/opt/rustwide/target/debug/deps/liblog-e9c1f4128215cfb7.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libx11-3b046dfdd6cae57e.rlib" "/opt/rustwide/target/debug/deps/liblibc-feb546ad79697380.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.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" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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; 7 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" "ba090a5a9af858c61aa02970883c2e34a4ed3aefd7236014dcef182f28027c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba090a5a9af858c61aa02970883c2e34a4ed3aefd7236014dcef182f28027c1f", kill_on_drop: false }`
[INFO] [stdout] ba090a5a9af858c61aa02970883c2e34a4ed3aefd7236014dcef182f28027c1f
