[INFO] updating cached repository https://github.com/rottencandy/rcomp
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 075f964acd353e7d48bc5aef32e492b36e6bb5bc
[INFO] checking rottencandy/rcomp against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frottencandy%2Frcomp" "/workspace/builds/worker-4/source"`
[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 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4a88b3bb4d221ffcb788351f2f12aa4a788f9fe5b1bb69d1f5aa2c0a12e7b24
[INFO] running `"docker" "start" "-a" "f4a88b3bb4d221ffcb788351f2f12aa4a788f9fe5b1bb69d1f5aa2c0a12e7b24"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking rcomp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/buffer.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/buffer.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_gl_error`
[INFO] [stderr]    --> src/backend/opengl/setup.rs:173:15
[INFO] [stderr]     |
[INFO] [stderr] 173 | pub unsafe fn check_gl_error() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_attrib_location`
[INFO] [stderr]    --> src/backend/opengl/shader.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn get_attrib_location(&self, name: &str) -> gl::types::GLint {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_active`
[INFO] [stderr]   --> src/backend/opengl/texture.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set_active(i: u32) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/texture.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_geometry`
[INFO] [stderr]   --> src/window.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn update_geometry(&mut self, conn: &xcb::Connection) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/buffer.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/buffer.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_gl_error`
[INFO] [stderr]    --> src/backend/opengl/setup.rs:173:15
[INFO] [stderr]     |
[INFO] [stderr] 173 | pub unsafe fn check_gl_error() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_attrib_location`
[INFO] [stderr]    --> src/backend/opengl/shader.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn get_attrib_location(&self, name: &str) -> gl::types::GLint {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_active`
[INFO] [stderr]   --> src/backend/opengl/texture.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set_active(i: u32) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbind`
[INFO] [stderr]   --> src/backend/opengl/texture.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn unbind() {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_geometry`
[INFO] [stderr]   --> src/window.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn update_geometry(&mut self, conn: &xcb::Connection) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `"docker" "inspect" "f4a88b3bb4d221ffcb788351f2f12aa4a788f9fe5b1bb69d1f5aa2c0a12e7b24"`
[INFO] running `"docker" "rm" "-f" "f4a88b3bb4d221ffcb788351f2f12aa4a788f9fe5b1bb69d1f5aa2c0a12e7b24"`
[INFO] [stdout] f4a88b3bb4d221ffcb788351f2f12aa4a788f9fe5b1bb69d1f5aa2c0a12e7b24