[INFO] cloning repository https://github.com/MUsmanZahid/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MUsmanZahid/pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMUsmanZahid%2Fpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMUsmanZahid%2Fpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10daced51859ca388b894f449f0ff0e97d4e4e63
[INFO] testing MUsmanZahid/pong against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMUsmanZahid%2Fpong" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MUsmanZahid/pong on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MUsmanZahid/pong
[INFO] finished tweaking git repo https://github.com/MUsmanZahid/pong
[INFO] tweaked toml for git repo https://github.com/MUsmanZahid/pong written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13e87bd83cab49f64ea1471b08448f43d3394b192b37e997597dfbf4a699a6a
[INFO] running `Command { std: "docker" "start" "-a" "c13e87bd83cab49f64ea1471b08448f43d3394b192b37e997597dfbf4a699a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13e87bd83cab49f64ea1471b08448f43d3394b192b37e997597dfbf4a699a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13e87bd83cab49f64ea1471b08448f43d3394b192b37e997597dfbf4a699a6a", kill_on_drop: false }`
[INFO] [stdout] c13e87bd83cab49f64ea1471b08448f43d3394b192b37e997597dfbf4a699a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c833b2e4aa1a671eeaaf3ba076d99ff8181a08f01450526f8abd83ff05830c
[INFO] running `Command { std: "docker" "start" "-a" "f1c833b2e4aa1a671eeaaf3ba076d99ff8181a08f01450526f8abd83ff05830c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling slotmap v0.1.0 (/opt/rustwide/workdir/slotmap)
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling thyrox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `slotmap`
[INFO] [stdout]    --> src/main.rs:326:5
[INFO] [stdout]     |
[INFO] [stdout] 326 | use slotmap;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `font_path`
[INFO] [stdout]    --> src/main.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let font_path = cstr!("/usr/share/fonts/TTF/Comfortaa-Light.ttf");
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend`
[INFO] [stdout]   --> src/main.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         pub fn extend(mut self, x: f32, y: f32) -> Self {
[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: `translate`
[INFO] [stdout]   --> src/main.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |         pub fn translate(mut self, x: f32, y: f32) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/main.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |         pub fn zero() -> Self {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]   --> src/main.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |         pub fn fill(value: f32) -> Self {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUM_ASCII_GLYPHS`
[INFO] [stdout]  --> src/font.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const NUM_ASCII_GLYPHS: usize = 95;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_bitmap`
[INFO] [stdout]   --> src/font.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) fn generate_bitmap(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_glyph`
[INFO] [stdout]   --> src/font.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn draw_glyph(&mut self, glyph: &Glyph, data: *mut u8) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_maximum_row_width`
[INFO] [stdout]   --> src/font.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn get_maximum_row_width(face: freetype::freetype::FT_Face) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/font.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_pgm`
[INFO] [stdout]    --> src/font.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn print_pgm(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_ascii_glyphs`
[INFO] [stdout]    --> src/font.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn render_ascii_glyphs(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.thyrox.0a236baf-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0.2rvu2th5csuhvnbk.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-ldl" "-lxcb" "-lxcb-icccm" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libpng-abe88c3043fe6b7c.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-50d90a3eed5b80d4.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-e95baee0ab125333.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/libdeflate-bfa31e7be8e31bcb.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f328109de99d6196.rlib" "/opt/rustwide/target/debug/deps/libadler32-9bdfd7616d6d3b7a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/libslotmap-79c15f98a836a0ee.rlib" "/opt/rustwide/target/debug/deps/libfreetype-607c6d0b16e8dac3.rlib" "/opt/rustwide/target/debug/deps/libfreetype_sys-1c1748079aee5109.rlib" "/opt/rustwide/target/debug/deps/liblibc-333aa5b90e875ae0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lfreetype" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/thyrox-627a0b065a93b0a0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lxcb-icccm
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thyrox`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f1c833b2e4aa1a671eeaaf3ba076d99ff8181a08f01450526f8abd83ff05830c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c833b2e4aa1a671eeaaf3ba076d99ff8181a08f01450526f8abd83ff05830c", kill_on_drop: false }`
[INFO] [stdout] f1c833b2e4aa1a671eeaaf3ba076d99ff8181a08f01450526f8abd83ff05830c