[INFO] cloning repository https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yxProgramming/APEX-2020-FRC-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b0e7e62048efccc67e79c9c676c5ea6c3f5952
[INFO] testing yxProgramming/APEX-2020-FRC-Code against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyxProgramming%2FAPEX-2020-FRC-Code" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yxProgramming/APEX-2020-FRC-Code on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking git repo https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] finished tweaking git repo https://github.com/yxProgramming/APEX-2020-FRC-Code
[INFO] tweaked toml for git repo https://github.com/yxProgramming/APEX-2020-FRC-Code written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/yxProgramming/APEX-2020-FRC-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7f403e2e8a3665d56f6d90249d3888a765e1cae8efe0dc47a9780774429816
[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" "4e7f403e2e8a3665d56f6d90249d3888a765e1cae8efe0dc47a9780774429816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7f403e2e8a3665d56f6d90249d3888a765e1cae8efe0dc47a9780774429816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7f403e2e8a3665d56f6d90249d3888a765e1cae8efe0dc47a9780774429816", kill_on_drop: false }`
[INFO] [stdout] 4e7f403e2e8a3665d56f6d90249d3888a765e1cae8efe0dc47a9780774429816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57f47568da2b2e1d1e0a02205c93da9677e4afcf520c256934c0ad4dd7f35da3
[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" "57f47568da2b2e1d1e0a02205c93da9677e4afcf520c256934c0ad4dd7f35da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wpilib-sys v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wpilib v0.4.0
[INFO] [stderr]    Compiling frc_robot_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `robot`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let robot = RobotBase::new().expect("HAL FAILED");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.frc_robot_2020.dkvkr0tu-cgu.7.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104" "/opt/rustwide/target/debug/deps/frc_robot_2020-3dba913e1c7fd104.5a0oc6wv15i93d97.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libwpilib-ccfc482482bf7112.rlib" "/opt/rustwide/target/debug/deps/libwpilib_sys-2f5b92499c6cf785.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-lFRC_NetworkCommunication" "-lNiFpga" "-lNiFpgaLv" "-lniriodevenum" "-lniriosession" "-lNiRioSrv" "-lRoboRIO_FRC_ChipObject" "-lvisa" "-lwpiHal" "-lwpiutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libFRC_NetworkCommunication.so when searching for -lFRC_NetworkCommunication
[INFO] [stdout]           /usr/bin/ld: cannot find -lFRC_NetworkCommunication
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libNiFpga.so when searching for -lNiFpga
[INFO] [stdout]           /usr/bin/ld: cannot find -lNiFpga
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libNiFpgaLv.so when searching for -lNiFpgaLv
[INFO] [stdout]           /usr/bin/ld: cannot find -lNiFpgaLv
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libniriodevenum.so when searching for -lniriodevenum
[INFO] [stdout]           /usr/bin/ld: cannot find -lniriodevenum
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libniriosession.so when searching for -lniriosession
[INFO] [stdout]           /usr/bin/ld: cannot find -lniriosession
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libNiRioSrv.so when searching for -lNiRioSrv
[INFO] [stdout]           /usr/bin/ld: cannot find -lNiRioSrv
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libRoboRIO_FRC_ChipObject.so when searching for -lRoboRIO_FRC_ChipObject
[INFO] [stdout]           /usr/bin/ld: cannot find -lRoboRIO_FRC_ChipObject
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libvisa.so when searching for -lvisa
[INFO] [stdout]           /usr/bin/ld: cannot find -lvisa
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libwpiHal.so when searching for -lwpiHal
[INFO] [stdout]           /usr/bin/ld: cannot find -lwpiHal
[INFO] [stdout]           /usr/bin/ld: skipping incompatible /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wpilib-sys-0.4.0/lib/libwpiutil.so when searching for -lwpiutil
[INFO] [stdout]           /usr/bin/ld: cannot find -lwpiutil
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `frc_robot_2020`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "57f47568da2b2e1d1e0a02205c93da9677e4afcf520c256934c0ad4dd7f35da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f47568da2b2e1d1e0a02205c93da9677e4afcf520c256934c0ad4dd7f35da3", kill_on_drop: false }`
[INFO] [stdout] 57f47568da2b2e1d1e0a02205c93da9677e4afcf520c256934c0ad4dd7f35da3