[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#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc [INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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-10/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fdd34b7a62482d253dbb269f22386cc32b7fa8cbc8d167490551a50824a128ef [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" "fdd34b7a62482d253dbb269f22386cc32b7fa8cbc8d167490551a50824a128ef"` [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 getopts v0.2.18 [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] 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-0a98c5dea3709255/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: 0x55713a51c634 - backtrace::backtrace::libunwind::trace::h9969d01c3d7ddfdc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55713a51c634 - backtrace::backtrace::trace_unsynchronized::h7a2ab063e77952ab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55713a51c634 - std::sys_common::backtrace::_print_fmt::h1b217822a512fc5b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55713a51c634 - ::fmt::h96fb4331ad79020d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55713a53a0cc - core::fmt::write::hc201330da9c33c5d [INFO] [stderr] at src/libcore/fmt/mod.rs:1053 [INFO] [stderr] 5: 0x55713a51a957 - std::io::Write::write_fmt::h309332b527674af9 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55713a51eac5 - std::sys_common::backtrace::_print::h9ef4e37c06092ebe [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55713a51eac5 - std::sys_common::backtrace::print::h2a9175f5cd9eccf0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55713a51eac5 - std::panicking::default_hook::{{closure}}::ha832c9ee735a1b99 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55713a51e807 - std::panicking::default_hook::hddac80d07a5399db [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55713a51f082 - std::panicking::rust_panic_with_hook::haa6a112655213edb [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55713a514187 - std::panicking::begin_panic::h303f1dfd70636456 [INFO] [stderr] at /rustc/eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc/src/libstd/panicking.rs:397 [INFO] [stderr] 12: 0x55713a510229 - build_script_build::try_gcc::ha967b34efabd2414 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55713a510337 - build_script_build::main::hc5bde52383ce473e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55713a51381b - std::rt::lang_start::{{closure}}::h9c17fcbc4de0679a [INFO] [stderr] at /rustc/eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55713a51eb93 - std::rt::lang_start_internal::{{closure}}::h80386bdbf19e8f1d [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55713a51eb93 - std::panicking::try::do_call::he1209bc3d4aaf715 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 17: 0x55713a525087 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 18: 0x55713a51f529 - std::panicking::try::hf520d8976c058f40 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 19: 0x55713a51f529 - std::panic::catch_unwind::h7564024f837c4151 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55713a51f529 - std::rt::lang_start_internal::h41ae6763c6895ece [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x55713a5137f7 - std::rt::lang_start::hf57b850b23ebbff4 [INFO] [stderr] at /rustc/eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x55713a5103aa - main [INFO] [stderr] 23: 0x7eff094d2b97 - __libc_start_main [INFO] [stderr] 24: 0x55713a509cfa - _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" "fdd34b7a62482d253dbb269f22386cc32b7fa8cbc8d167490551a50824a128ef"` [INFO] running `"docker" "rm" "-f" "fdd34b7a62482d253dbb269f22386cc32b7fa8cbc8d167490551a50824a128ef"` [INFO] [stdout] fdd34b7a62482d253dbb269f22386cc32b7fa8cbc8d167490551a50824a128ef