[INFO] updating cached repository https://github.com/rottencandy/rcomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 075f964acd353e7d48bc5aef32e492b36e6bb5bc
[INFO] testing rottencandy/rcomp against 1.45.2 for beta-1.46-1
[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 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9e54dcfed6df9c8b6b725dac2b754c6e15ac6058bbd95f4bca242320da70505
[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" "c9e54dcfed6df9c8b6b725dac2b754c6e15ac6058bbd95f4bca242320da70505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e54dcfed6df9c8b6b725dac2b754c6e15ac6058bbd95f4bca242320da70505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e54dcfed6df9c8b6b725dac2b754c6e15ac6058bbd95f4bca242320da70505", kill_on_drop: false }`
[INFO] [stdout] c9e54dcfed6df9c8b6b725dac2b754c6e15ac6058bbd95f4bca242320da70505
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a4e054ee76ead66631f518e21f25a1d00c6da5ecf16ba219b7d0e82358af6b5
[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" "3a4e054ee76ead66631f518e21f25a1d00c6da5ecf16ba219b7d0e82358af6b5", 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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.rcomp.9myke0n9-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd" "/opt/rustwide/target/debug/deps/rcomp-42385fffb357a8dd.5bidqu5hkhd8g9qv.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/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgl-2c65eeba68729b9d.rlib" "/opt/rustwide/target/debug/deps/libxcb-28551142abfabf4d.rlib" "/opt/rustwide/target/debug/deps/liblog-da2d6b139ded8350.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ab1bd98be96b57b3.rlib" "/opt/rustwide/target/debug/deps/libx11-9ff2fd85f5d21d67.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed3767444d987d24.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.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" "-ldl" "-lrt" "-lpthread" "-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" "3a4e054ee76ead66631f518e21f25a1d00c6da5ecf16ba219b7d0e82358af6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4e054ee76ead66631f518e21f25a1d00c6da5ecf16ba219b7d0e82358af6b5", kill_on_drop: false }`
[INFO] [stdout] 3a4e054ee76ead66631f518e21f25a1d00c6da5ecf16ba219b7d0e82358af6b5