[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#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 74e80468347471779be6060d8d7d6d04e98e467f [INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "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-13/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 7f145812440e551e5fb28e65b3749dc24e5c3d5daaefcfc69eb92ceb8d50c0e1 [INFO] running `"docker" "start" "-a" "7f145812440e551e5fb28e65b3749dc24e5c3d5daaefcfc69eb92ceb8d50c0e1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rustml v0.0.7 [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 getopts v0.2.18 [INFO] [stderr] Compiling miniz-sys v0.1.10 [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] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [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-29f49ca6d7778a01/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: 0x55bf3b79d405 - backtrace::backtrace::libunwind::trace::h508d2c55eb856ef2 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55bf3b79d405 - backtrace::backtrace::trace_unsynchronized::h31c9d8a0097b92f8 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55bf3b79d405 - std::sys_common::backtrace::_print_fmt::h520f528c4c103a3f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55bf3b79d405 - ::fmt::hf4dec5da8360bccb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55bf3b7bf08c - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55bf3b79b8d3 - std::io::Write::write_fmt::hd33447f61d92a88a [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55bf3b79f930 - std::sys_common::backtrace::_print::h856c809943c588ab [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55bf3b79f930 - std::sys_common::backtrace::print::hc042b4237cc3648a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55bf3b79f930 - std::panicking::default_hook::{{closure}}::h35997132c163f935 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55bf3b79f67c - std::panicking::default_hook::h8555bf398b0f1318 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55bf3b79ff17 - std::panicking::rust_panic_with_hook::h9b80e82887819c44 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55bf3b792ee5 - std::panicking::begin_panic::h94461ccfa6d4c9cb [INFO] [stderr] at /rustc/74e80468347471779be6060d8d7d6d04e98e467f/src/libstd/panicking.rs:410 [INFO] [stderr] 12: 0x55bf3b78fdb4 - build_script_build::try_gcc::hf4921a47f090cd72 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55bf3b78ff07 - build_script_build::main::ha2ff13e0136dd703 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55bf3b79235b - std::rt::lang_start::{{closure}}::ha21094fe06fc44b0 [INFO] [stderr] at /rustc/74e80468347471779be6060d8d7d6d04e98e467f/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55bf3b7a02e8 - std::rt::lang_start_internal::{{closure}}::h4c8bd631e3dc2cb9 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55bf3b7a02e8 - std::panicking::try::do_call::h88ce8513ed0d613c [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 17: 0x55bf3b7a02e8 - std::panicking::try::he181ad9c483671e2 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x55bf3b7a02e8 - std::panic::catch_unwind::heb113c382f4c732f [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55bf3b7a02e8 - std::rt::lang_start_internal::h807304d390ed60ab [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x55bf3b792337 - std::rt::lang_start::ha2a145b7fe765fe0 [INFO] [stderr] at /rustc/74e80468347471779be6060d8d7d6d04e98e467f/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x55bf3b78ff7a - main [INFO] [stderr] 22: 0x7f346aede0b3 - __libc_start_main [INFO] [stderr] 23: 0x55bf3b78917e - _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 `"docker" "inspect" "7f145812440e551e5fb28e65b3749dc24e5c3d5daaefcfc69eb92ceb8d50c0e1"` [INFO] running `"docker" "rm" "-f" "7f145812440e551e5fb28e65b3749dc24e5c3d5daaefcfc69eb92ceb8d50c0e1"` [INFO] [stdout] 7f145812440e551e5fb28e65b3749dc24e5c3d5daaefcfc69eb92ceb8d50c0e1