[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 try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [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 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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-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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 53edcf49a9e0efdbc4216430b85c1acf088c428062ecd0e5f562763390d76bda [INFO] running `"docker" "start" "-a" "53edcf49a9e0efdbc4216430b85c1acf088c428062ecd0e5f562763390d76bda"` [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Checking regex v0.1.80 [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-89d7f88f7895f51a/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: 0x55f8f2d98a74 - backtrace::backtrace::libunwind::trace::he109529ff1dc76f7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55f8f2d98a74 - backtrace::backtrace::trace_unsynchronized::hef5630b5b89e7da6 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f8f2d98a74 - std::sys_common::backtrace::_print_fmt::hb6aa27cc6435f7ee [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55f8f2d98a74 - ::fmt::hc8ed84d3f9251ec9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55f8f2db649c - core::fmt::write::ha7289210e62113c3 [INFO] [stderr] at src/libcore/fmt/mod.rs:1063 [INFO] [stderr] 5: 0x55f8f2d96df7 - std::io::Write::write_fmt::ha5b699d062564d98 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55f8f2d9aee5 - std::sys_common::backtrace::_print::h93033be5ea486fe6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55f8f2d9aee5 - std::sys_common::backtrace::print::hc1f88a8d0e001fdd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55f8f2d9aee5 - std::panicking::default_hook::{{closure}}::h1628a29c2888e142 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55f8f2d9ac32 - std::panicking::default_hook::hd5ebb6361821db24 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55f8f2d9b4a2 - std::panicking::rust_panic_with_hook::h158379e90d65e844 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55f8f2d90727 - std::panicking::begin_panic::hd2e862b8d77ae370 [INFO] [stderr] at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/panicking.rs:397 [INFO] [stderr] 12: 0x55f8f2d8c689 - build_script_build::try_gcc::h06e65be915b36a69 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55f8f2d8c797 - build_script_build::main::hbb3f0301893474d2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55f8f2d8fe9b - std::rt::lang_start::{{closure}}::h60fb7c81c4efd9c9 [INFO] [stderr] at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55f8f2d9afb3 - std::rt::lang_start_internal::{{closure}}::h6e93e18fa04e1c8a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55f8f2d9afb3 - std::panicking::try::do_call::hf5c508d3f7fd6e80 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 17: 0x55f8f2da1447 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 18: 0x55f8f2d9b9cb - std::panicking::try::ha6921e66e2ad49ba [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 19: 0x55f8f2d9b9cb - std::panic::catch_unwind::h5765f97350df40be [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55f8f2d9b9cb - std::rt::lang_start_internal::ha5adbbeb42eba794 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x55f8f2d8fe77 - std::rt::lang_start::h6f015081f3a34394 [INFO] [stderr] at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x55f8f2d8c80a - main [INFO] [stderr] 23: 0x7f8298f9fb97 - __libc_start_main [INFO] [stderr] 24: 0x55f8f2d85d1a - _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" "53edcf49a9e0efdbc4216430b85c1acf088c428062ecd0e5f562763390d76bda"` [INFO] running `"docker" "rm" "-f" "53edcf49a9e0efdbc4216430b85c1acf088c428062ecd0e5f562763390d76bda"` [INFO] [stdout] 53edcf49a9e0efdbc4216430b85c1acf088c428062ecd0e5f562763390d76bda