[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#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b [INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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-2/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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] 7e03a1f6cad645f146e9e595a8541c6ef6c1ff901cea7d6d8173f2f66e7f1e91 [INFO] running `"docker" "start" "-a" "7e03a1f6cad645f146e9e595a8541c6ef6c1ff901cea7d6d8173f2f66e7f1e91"` [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] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-complex v0.1.43 [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 num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.37 [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-59b7c4764d4b8bfe/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: 0x55d082cb7a74 - backtrace::backtrace::libunwind::trace::h91d1589f784e7177 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55d082cb7a74 - backtrace::backtrace::trace_unsynchronized::h9ec8949702a1f108 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d082cb7a74 - std::sys_common::backtrace::_print_fmt::h97468752f36a9a0e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55d082cb7a74 - ::fmt::ha27a4263940af5a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55d082cd549c - core::fmt::write::h061ec21cc1fda96c [INFO] [stderr] at src/libcore/fmt/mod.rs:1063 [INFO] [stderr] 5: 0x55d082cb5df7 - std::io::Write::write_fmt::ha58db9b6b5ace99d [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55d082cb9ee5 - std::sys_common::backtrace::_print::h92d96c5907bac82b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55d082cb9ee5 - std::sys_common::backtrace::print::hb08c4606d19eee23 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d082cb9ee5 - std::panicking::default_hook::{{closure}}::h28e247f6a0250f5d [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55d082cb9c32 - std::panicking::default_hook::h3647fb19c6fd2d5c [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55d082cba4a2 - std::panicking::rust_panic_with_hook::h38d69a94e615bc72 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55d082caf727 - std::panicking::begin_panic::h53c36cd96219948f [INFO] [stderr] at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libstd/panicking.rs:397 [INFO] [stderr] 12: 0x55d082cae089 - build_script_build::try_gcc::h59f817eff4950518 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55d082cae197 - build_script_build::main::hedda13f21c634195 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55d082caee9b - std::rt::lang_start::{{closure}}::ha27cc8a859df9c14 [INFO] [stderr] at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55d082cb9fb3 - std::rt::lang_start_internal::{{closure}}::hf3e6a4ec162517f7 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55d082cb9fb3 - std::panicking::try::do_call::h77ed59d4706bc4a8 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 17: 0x55d082cc0447 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 18: 0x55d082cba9cb - std::panicking::try::h3e27a5213663f467 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 19: 0x55d082cba9cb - std::panic::catch_unwind::ha46de5fecc0d9a90 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55d082cba9cb - std::rt::lang_start_internal::hb81abf531274a39e [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 21: 0x55d082caee77 - std::rt::lang_start::hc4f796f17751d43e [INFO] [stderr] at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libstd/rt.rs:67 [INFO] [stderr] 22: 0x55d082cae20a - main [INFO] [stderr] 23: 0x7f7796622b97 - __libc_start_main [INFO] [stderr] 24: 0x55d082ca4d1a - _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" "7e03a1f6cad645f146e9e595a8541c6ef6c1ff901cea7d6d8173f2f66e7f1e91"` [INFO] running `"docker" "rm" "-f" "7e03a1f6cad645f146e9e595a8541c6ef6c1ff901cea7d6d8173f2f66e7f1e91"` [INFO] [stdout] 7e03a1f6cad645f146e9e595a8541c6ef6c1ff901cea7d6d8173f2f66e7f1e91