[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 try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4/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-4/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0ba29d6da25c730c57aede478751060ac6838a308d0dcd5f8fe597a8ef96edc [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" "c0ba29d6da25c730c57aede478751060ac6838a308d0dcd5f8fe597a8ef96edc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0ba29d6da25c730c57aede478751060ac6838a308d0dcd5f8fe597a8ef96edc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0ba29d6da25c730c57aede478751060ac6838a308d0dcd5f8fe597a8ef96edc", kill_on_drop: false }` [INFO] [stdout] c0ba29d6da25c730c57aede478751060ac6838a308d0dcd5f8fe597a8ef96edc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 690b4f7a38344778c00b86d7fea5e617df509337a02d20e75c0ec87d266bf3d7 [INFO] running `Command { std: "docker" "start" "-a" "690b4f7a38344778c00b86d7fea5e617df509337a02d20e75c0ec87d266bf3d7", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling cc v1.0.22 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.5.3 [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] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [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-cf7d0ac33c880168/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: 0x5581054bb445 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5581054bb445 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5581054bb445 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5581054bb445 - ::fmt::h39652f0242246c81 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5581054dd14c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5581054b9883 - std::io::Write::write_fmt::haa03b5883ee9e297 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5581054bd970 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5581054bd970 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5581054bd970 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5581054bd6bc - std::panicking::default_hook::h39b8550780094336 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5581054bdf57 - std::panicking::rust_panic_with_hook::hc8b48ce48004c103 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x5581054b0f3d - std::panicking::begin_panic::h7d8db3ed74f7cafe [INFO] [stderr] at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:404 [INFO] [stderr] 12: 0x5581054addd9 - build_script_build::try_gcc::hfb89bb3f757ee908 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x5581054adee7 - build_script_build::main::hf718618d86ddd2b3 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x5581054b0e0b - std::rt::lang_start::{{closure}}::h9db6c86222a12fe0 [INFO] [stderr] at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x5581054be328 - std::rt::lang_start_internal::{{closure}}::h980666b660b57c6b [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x5581054be328 - std::panicking::try::do_call::h350bf2b82f81cf24 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 17: 0x5581054be328 - std::panicking::try::hcafd728f614c0cb2 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x5581054be328 - std::panic::catch_unwind::h301dc6a83a38a171 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5581054be328 - std::rt::lang_start_internal::hf4abd869024c3270 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x5581054b0de7 - std::rt::lang_start::h3a64cf6fee0a88ee [INFO] [stderr] at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x5581054adf5a - main [INFO] [stderr] 22: 0x7f67d92040b3 - __libc_start_main [INFO] [stderr] 23: 0x5581054a717e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "690b4f7a38344778c00b86d7fea5e617df509337a02d20e75c0ec87d266bf3d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690b4f7a38344778c00b86d7fea5e617df509337a02d20e75c0ec87d266bf3d7", kill_on_drop: false }` [INFO] [stdout] 690b4f7a38344778c00b86d7fea5e617df509337a02d20e75c0ec87d266bf3d7