[INFO] cloning repository https://github.com/cantsin/pcgs [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d11ad86a8fe9b569980001ad9c92948408fff77c [INFO] checking cantsin/pcgs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-14/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustml v0.0.7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1e640ef70d560030a2f7567e1d8d4cca3ff76d6729d5fe12c4e4e6217eae4897 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "1e640ef70d560030a2f7567e1d8d4cca3ff76d6729d5fe12c4e4e6217eae4897"` [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 flate2 v0.2.20 [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-da3f744f512b7bd9/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: 0x55ae6e4c760a - backtrace::backtrace::libunwind::trace::h62ee5d8325268128 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ae6e4c760a - backtrace::backtrace::trace_unsynchronized::h0c2dcc20fbafc255 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ae6e4c760a - std::sys_common::backtrace::_print_fmt::h5452375970baa944 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55ae6e4c760a - ::fmt::hdcdebd1ff29cf05e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55ae6e4e4e6c - core::fmt::write::h1a9d5001c75dea4b [INFO] [stderr] at src/libcore/fmt/mod.rs:1028 [INFO] [stderr] 5: 0x55ae6e4c5b97 - std::io::Write::write_fmt::hc50d5b4b29eeddb4 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55ae6e4c99ee - std::sys_common::backtrace::_print::hd026679112716709 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55ae6e4c99ee - std::sys_common::backtrace::print::hc2cd7cb69b3121ae [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55ae6e4c99ee - std::panicking::default_hook::{{closure}}::hac834639b20b63f7 [INFO] [stderr] at src/libstd/panicking.rs:187 [INFO] [stderr] 9: 0x55ae6e4c96f1 - std::panicking::default_hook::h2fc956babc86e97d [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 10: 0x55ae6e4ca035 - std::panicking::rust_panic_with_hook::hb65306f2c92eac01 [INFO] [stderr] at src/libstd/panicking.rs:467 [INFO] [stderr] 11: 0x55ae6e4bed84 - std::panicking::begin_panic::h003ff9dcd6b54462 [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/panicking.rs:401 [INFO] [stderr] 12: 0x55ae6e4bf5a9 - build_script_build::try_gcc::hc07a0795cf03ae80 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55ae6e4bf6b7 - build_script_build::main::h0ceaf02aac1f1503 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55ae6e4bf8e0 - std::rt::lang_start::{{closure}}::h4971ad2bc9474eb5 [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61 [INFO] [stderr] 15: 0x55ae6e4c9ab3 - std::rt::lang_start_internal::{{closure}}::hbff5fe9c19d221a8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55ae6e4c9ab3 - std::panicking::try::do_call::h330d2d9ad3936443 [INFO] [stderr] at src/libstd/panicking.rs:286 [INFO] [stderr] 17: 0x55ae6e4cfd6a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x55ae6e4ca52d - std::panicking::try::h0001f4cc821eb44d [INFO] [stderr] at src/libstd/panicking.rs:265 [INFO] [stderr] 19: 0x55ae6e4ca52d - std::panic::catch_unwind::hc7071df6aa2e6fb8 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55ae6e4ca52d - std::rt::lang_start_internal::hd852b1b003ba5a93 [INFO] [stderr] at src/libstd/rt.rs:47 [INFO] [stderr] 21: 0x55ae6e4bf8b9 - std::rt::lang_start::h0a0303a8f78aa170 [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61 [INFO] [stderr] 22: 0x55ae6e4bf72a - main [INFO] [stderr] 23: 0x7f035b981b97 - __libc_start_main [INFO] [stderr] 24: 0x55ae6e4b204a - _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" "1e640ef70d560030a2f7567e1d8d4cca3ff76d6729d5fe12c4e4e6217eae4897"` [INFO] running `"docker" "rm" "-f" "1e640ef70d560030a2f7567e1d8d4cca3ff76d6729d5fe12c4e4e6217eae4897"` [INFO] [stdout] 1e640ef70d560030a2f7567e1d8d4cca3ff76d6729d5fe12c4e4e6217eae4897