[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#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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-0/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 98f6f0f2132722024ecb2338d5a85d0f61893a5c98f9afc163d07a941fad32ed [INFO] running `"docker" "start" "-a" "98f6f0f2132722024ecb2338d5a85d0f61893a5c98f9afc163d07a941fad32ed"` [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking pcgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [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-338b5cc119cbbbed/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: 0x5587a3bd79e4 - backtrace::backtrace::libunwind::trace::h3bbf4648c1ae426f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5587a3bd79e4 - backtrace::backtrace::trace_unsynchronized::hd404207fbb521b80 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5587a3bd79e4 - std::sys_common::backtrace::_print_fmt::ha5e9db2a4a7c3bf7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x5587a3bd79e4 - ::fmt::hb321702719701de2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5587a3bf4d1c - core::fmt::write::ha0ad8457542de65a [INFO] [stderr] at src/libcore/fmt/mod.rs:1024 [INFO] [stderr] 5: 0x5587a3bd5f67 - std::io::Write::write_fmt::h08dcdb1643423f1b [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5587a3bd99fe - std::sys_common::backtrace::_print::h0dfeb7d775671ffd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x5587a3bd99fe - std::sys_common::backtrace::print::h82adacc4ae5cacef [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x5587a3bd99fe - std::panicking::default_hook::{{closure}}::hf56d3392014022bc [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x5587a3bd96f1 - std::panicking::default_hook::hafde2c03508207ee [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5587a3bda02b - std::panicking::rust_panic_with_hook::hc79891a9d857cb2e [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x5587a3bce756 - std::panicking::begin_panic::ha81ba085e241f856 [INFO] [stderr] at /rustc/1a608893c03d7722effeb0058e82770bd36b4b3c/src/libstd/panicking.rs:404 [INFO] [stderr] 12: 0x5587a3bca2f9 - build_script_build::try_gcc::h10f32b901d3c1028 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x5587a3bca407 - build_script_build::main::h74f4581c1d7d0771 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x5587a3bce5f0 - std::rt::lang_start::{{closure}}::hfb0b78c8f1971c08 [INFO] [stderr] at /rustc/1a608893c03d7722effeb0058e82770bd36b4b3c/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x5587a3bd9ac3 - std::rt::lang_start_internal::{{closure}}::hc8a0374623d6d364 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x5587a3bd9ac3 - std::panicking::try::do_call::h538ebfedf05f5b5b [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 17: 0x5587a3bdfd1a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:78 [INFO] [stderr] 18: 0x5587a3bda4c0 - std::panicking::try::hf03e102df78c485c [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 19: 0x5587a3bda4c0 - std::panic::catch_unwind::hf039e184ab932a8b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x5587a3bda4c0 - std::rt::lang_start_internal::h97affefd274044ee [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x5587a3bce5c9 - std::rt::lang_start::h94cf5a870b32192c [INFO] [stderr] at /rustc/1a608893c03d7722effeb0058e82770bd36b4b3c/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x5587a3bca47a - main [INFO] [stderr] 23: 0x7fc07ae33b97 - __libc_start_main [INFO] [stderr] 24: 0x5587a3bc4b7a - _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" "98f6f0f2132722024ecb2338d5a85d0f61893a5c98f9afc163d07a941fad32ed"` [INFO] running `"docker" "rm" "-f" "98f6f0f2132722024ecb2338d5a85d0f61893a5c98f9afc163d07a941fad32ed"` [INFO] [stdout] 98f6f0f2132722024ecb2338d5a85d0f61893a5c98f9afc163d07a941fad32ed