[INFO] updating cached repository https://github.com/cantsin/pcgs [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] d11ad86a8fe9b569980001ad9c92948408fff77c [INFO] checking cantsin/pcgs against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-9/source"` [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 6250d56355d72264ece721e8d0dc95b16a6824b1 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"` [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 `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] f1b41a349968e58d51e348f1cc183c5b40de17409000fcba040e94bf8a60ef51 [INFO] running `"docker" "start" "-a" "f1b41a349968e58d51e348f1cc183c5b40de17409000fcba040e94bf8a60ef51"` [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sparse_symmetric_matrix.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | writeln!(f, "sparse({:?},...", rows); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sparse_symmetric_matrix.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | writeln!(f, " {:?},...", columns); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sparse_row_matrix.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | writeln!(f, "sparse({:?},...", rows); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sparse_row_matrix.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | writeln!(f, " {:?},...", columns); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [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-dc6098e8dcd01c35/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: 0x563c3027d574 - backtrace::backtrace::libunwind::trace::hc26826043b7bf82f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x563c3027d574 - backtrace::backtrace::trace_unsynchronized::hf9fe7343abcf3b6a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563c3027d574 - std::sys_common::backtrace::_print_fmt::hf5f83f377bc8d868 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x563c3027d574 - ::fmt::hb2a7a6aa1b182a99 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x563c30298ddc - core::fmt::write::hc09f142ab04e56d2 [INFO] [stderr] at src/libcore/fmt/mod.rs:1057 [INFO] [stderr] 5: 0x563c3027bb27 - std::io::Write::write_fmt::hafa429c292548705 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x563c3027f605 - std::sys_common::backtrace::_print::hcf3fff603fe810fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x563c3027f605 - std::sys_common::backtrace::print::h5ea515a32d6700a5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x563c3027f605 - std::panicking::default_hook::{{closure}}::h324ce5172a1777e2 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x563c3027f2f1 - std::panicking::default_hook::h6593dbc4932c953a [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x563c3027fbba - std::panicking::rust_panic_with_hook::h04729d51ab5f86cb [INFO] [stderr] at src/libstd/panicking.rs:472 [INFO] [stderr] 11: 0x563c302762d2 - std::panicking::begin_panic::h9742992de4a6eb72 [INFO] [stderr] at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/panicking.rs:399 [INFO] [stderr] 12: 0x563c30273298 - build_script_build::try_gcc::hc192e364a30c46ac [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x563c302733a7 - build_script_build::main::h0ea6477c1712787a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x563c30275f80 - std::rt::lang_start::{{closure}}::h19674554be947bc8 [INFO] [stderr] at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x563c3027f6d3 - std::rt::lang_start_internal::{{closure}}::h5c17144678350141 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x563c3027f6d3 - std::panicking::try::do_call::h8eaf10466ef75c80 [INFO] [stderr] at src/libstd/panicking.rs:305 [INFO] [stderr] 17: 0x563c302857b7 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 18: 0x563c30280060 - std::panicking::try::hbd218b3dcbe12757 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 19: 0x563c30280060 - std::panic::catch_unwind::h0175a6dbda08cacb [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x563c30280060 - std::rt::lang_start_internal::h09fd43f7d6ed11c7 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x563c30275f59 - std::rt::lang_start::h3bf824ab6465cb29 [INFO] [stderr] at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x563c3027341a - main [INFO] [stderr] 23: 0x7f4195968b97 - __libc_start_main [INFO] [stderr] 24: 0x563c30267e4a - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f1b41a349968e58d51e348f1cc183c5b40de17409000fcba040e94bf8a60ef51"` [INFO] running `"docker" "rm" "-f" "f1b41a349968e58d51e348f1cc183c5b40de17409000fcba040e94bf8a60ef51"` [INFO] [stdout] f1b41a349968e58d51e348f1cc183c5b40de17409000fcba040e94bf8a60ef51