[INFO] cloning repository https://github.com/cantsin/pcgs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cantsin/pcgs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d11ad86a8fe9b569980001ad9c92948408fff77c [INFO] checking cantsin/pcgs against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/.cargo/config [INFO] started tweaking git repo https://github.com/cantsin/pcgs [INFO] finished tweaking git repo https://github.com/cantsin/pcgs [INFO] tweaked toml for git repo https://github.com/cantsin/pcgs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/cantsin/pcgs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2006a824ee95b134f92ff108015e5a90b76fb40ac27e668fe5f432ded69d0154 [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" "2006a824ee95b134f92ff108015e5a90b76fb40ac27e668fe5f432ded69d0154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2006a824ee95b134f92ff108015e5a90b76fb40ac27e668fe5f432ded69d0154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2006a824ee95b134f92ff108015e5a90b76fb40ac27e668fe5f432ded69d0154", kill_on_drop: false }` [INFO] [stdout] 2006a824ee95b134f92ff108015e5a90b76fb40ac27e668fe5f432ded69d0154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20248dba9c5a2831ef38096900f9f639ce6bd15ffb58d9ca776b96e73609cc3d [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" "20248dba9c5a2831ef38096900f9f639ce6bd15ffb58d9ca776b96e73609cc3d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling cc v1.0.22 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_symmetric_matrix.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | writeln!(f, "sparse({:?},...", rows); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_symmetric_matrix.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | writeln!(f, " {:?},...", columns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_row_matrix.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | writeln!(f, "sparse({:?},...", rows); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_row_matrix.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | writeln!(f, " {:?},...", columns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `rustml v0.0.7` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustml-dde8ab547b7dda2c/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] /usr/bin/ld: cannot find -lopencv_highgui [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] [INFO] [stderr] OpenCV not found. On Ubuntu try 'sudo apt-get install libopencv-highgui-dev' before continuing.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a55874c430 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55a55874c430 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a55874c430 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a55874c430 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a55876944c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x55a55874a5b2 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x55a55874e5b5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a55874e5b5 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a55874e5b5 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55a55874e258 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55a55874ecf1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55a558735aed - std::panicking::begin_panic::{{closure}}::hfab37f88c2fee4c2 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x55a55872fc7e - std::sys_common::backtrace::__rust_end_short_backtrace::h9f4df4f85efa6deb [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a5587359e8 - std::panicking::begin_panic::h49183e8b0a831cae [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x55a5587325b3 - build_script_build::try_gcc::h0a306cd5f4710917 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25:5 [INFO] [stderr] 15: 0x55a558732707 - build_script_build::main::he1ce1ec262af1e16 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30:5 [INFO] [stderr] 16: 0x55a5587307fb - core::ops::function::FnOnce::call_once::hb02c224f0aaa7fa0 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x55a55872fcbe - std::sys_common::backtrace::__rust_begin_short_backtrace::h7adbbfd4d0baf42e [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x55a558734ff1 - std::rt::lang_start::{{closure}}::h7261e3b9d902c099 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x55a55874f117 - core::ops::function::impls:: for &F>::call_once::h3f3ba5d1e0ce8d49 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x55a55874f117 - std::panicking::try::do_call::hd7a374fc87b951e7 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:381:40 [INFO] [stderr] 21: 0x55a55874f117 - std::panicking::try::hcc68eba0f7d51b82 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:345:19 [INFO] [stderr] 22: 0x55a55874f117 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panic.rs:382:14 [INFO] [stderr] 23: 0x55a55874f117 - std::rt::lang_start_internal::h8ff82302dd620b52 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x55a558734fc7 - std::rt::lang_start::h67d523b4d83f438b [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x55a55873277a - main [INFO] [stderr] 26: 0x7f8a3d08a0b3 - __libc_start_main [INFO] [stderr] 27: 0x55a55872d0ae - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "20248dba9c5a2831ef38096900f9f639ce6bd15ffb58d9ca776b96e73609cc3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20248dba9c5a2831ef38096900f9f639ce6bd15ffb58d9ca776b96e73609cc3d", kill_on_drop: false }` [INFO] [stdout] 20248dba9c5a2831ef38096900f9f639ce6bd15ffb58d9ca776b96e73609cc3d