[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#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68746 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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-5/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] 251b89e4706bf5c1db8ae368662d59ab24ea5f2e764b6916bd4d94990ab062e1 [INFO] running `"docker" "start" "-a" "251b89e4706bf5c1db8ae368662d59ab24ea5f2e764b6916bd4d94990ab062e1"` [INFO] [stderr] Compiling cc v1.0.22 [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking num-rational v0.1.42 [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] Checking num v0.1.42 [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-75bbcdb159ed9fb4/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: 0x5652719c6798 - backtrace::backtrace::libunwind::trace::hdec022fb119dd06d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5652719c6798 - backtrace::backtrace::trace_unsynchronized::h1f309365306cc260 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5652719c6798 - std::sys_common::backtrace::_print_fmt::hedd348b4f893987a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5652719c6798 - ::fmt::h381b96a3f9ce8032 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5652719e452c - core::fmt::write::he5b6a663f8bc9f46 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5652719c4a37 - std::io::Write::write_fmt::h39edd6a910b76376 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5652719c8c45 - std::sys_common::backtrace::_print::hecbfa51643b1d1b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5652719c8c45 - std::sys_common::backtrace::print::he854cdfad1b40844 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5652719c8c45 - std::panicking::default_hook::{{closure}}::h590c45dbd8599059 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5652719c8986 - std::panicking::default_hook::h6b14cee906df5ae9 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5652719c9202 - std::panicking::rust_panic_with_hook::h845de504d308e21c [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x5652719bd2d7 - std::panicking::begin_panic::h82fdf01ae680aae0 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/panicking.rs:397 [INFO] [stderr] 12: 0x5652719bc388 - build_script_build::try_gcc::h4a6838f062f3315b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x5652719bc497 - build_script_build::main::h4bb922196bb9e3c7 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x5652719bcce0 - std::rt::lang_start::{{closure}}::hc13695dee5e8f322 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x5652719c8d13 - std::rt::lang_start_internal::{{closure}}::h79efcdb1c4a7311a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x5652719c8d13 - std::panicking::try::do_call::h8837c722d8d26052 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 17: 0x5652719cf387 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 18: 0x5652719c96a9 - std::panicking::try::h6df407c9e373308b [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 19: 0x5652719c96a9 - std::panic::catch_unwind::hb93a3e23c13dcc76 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x5652719c96a9 - std::rt::lang_start_internal::h0eeb85a0fe3bba7b [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x5652719bccb9 - std::rt::lang_start::he37cb14218b3310c [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x5652719bc50a - main [INFO] [stderr] 23: 0x7f114c955b97 - __libc_start_main [INFO] [stderr] 24: 0x5652719b2d2a - _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" "251b89e4706bf5c1db8ae368662d59ab24ea5f2e764b6916bd4d94990ab062e1"` [INFO] running `"docker" "rm" "-f" "251b89e4706bf5c1db8ae368662d59ab24ea5f2e764b6916bd4d94990ab062e1"` [INFO] [stdout] 251b89e4706bf5c1db8ae368662d59ab24ea5f2e764b6916bd4d94990ab062e1