[INFO] cloning repository https://github.com/cantsin/pcgs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cantsin/pcgs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d11ad86a8fe9b569980001ad9c92948408fff77c [INFO] checking cantsin/pcgs against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [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 ffa2e7ae8fbf9badc035740db949b9dae271c29f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/.cargo/config [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c576160ba83c45fa3424efaaf0e5793e5c4b94b4b9718e8f887b3bb8519abef [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3c576160ba83c45fa3424efaaf0e5793e5c4b94b4b9718e8f887b3bb8519abef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c576160ba83c45fa3424efaaf0e5793e5c4b94b4b9718e8f887b3bb8519abef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c576160ba83c45fa3424efaaf0e5793e5c4b94b4b9718e8f887b3bb8519abef", kill_on_drop: false }` [INFO] [stdout] 3c576160ba83c45fa3424efaaf0e5793e5c4b94b4b9718e8f887b3bb8519abef [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 788d9ad3fb0c1cfdec6d1bd91309b3e00f904c4574d242ee4653b68d99310091 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "788d9ad3fb0c1cfdec6d1bd91309b3e00f904c4574d242ee4653b68d99310091", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling cc v1.0.22 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking regex-syntax v0.3.9 [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] Compiling kernel32-sys v0.2.2 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_symmetric_matrix.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | writeln!(f, "sparse({:?},...", rows); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_symmetric_matrix.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | writeln!(f, " {:?},...", columns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_row_matrix.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | writeln!(f, "sparse({:?},...", rows); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/sparse_row_matrix.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | writeln!(f, " {:?},...", columns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [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-dde8ab547b7dda2c/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: 0x55f50bc8b470 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55f50bc8b470 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f50bc8b470 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f50bc8b470 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f50bca83ec - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x55f50bc895b2 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x55f50bc8d5f5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f50bc8d5f5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f50bc8d5f5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f50bc8d298 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55f50bc8dc71 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:577:17 [INFO] [stderr] 11: 0x55f50bc74b1d - std::panicking::begin_panic::{{closure}}::h792676e2fb7be3f5 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:506:9 [INFO] [stderr] 12: 0x55f50bc6ec7e - std::sys_common::backtrace::__rust_end_short_backtrace::he06254e94e1d5d6f [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f50bc74a18 - std::panicking::begin_panic::h90e79c8ae97ff7be [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:505:12 [INFO] [stderr] 14: 0x55f50bc715e3 - build_script_build::try_gcc::h0a306cd5f4710917 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25:5 [INFO] [stderr] 15: 0x55f50bc71737 - build_script_build::main::he1ce1ec262af1e16 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30:5 [INFO] [stderr] 16: 0x55f50bc6f82b - core::ops::function::FnOnce::call_once::hb02c224f0aaa7fa0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x55f50bc6ecbe - std::sys_common::backtrace::__rust_begin_short_backtrace::hb469d45b84ce5add [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x55f50bc74021 - std::rt::lang_start::{{closure}}::hd26c309944e95f96 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x55f50bc8e097 - core::ops::function::impls:: for &F>::call_once::h1af42f2aaad601f7 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x55f50bc8e097 - std::panicking::try::do_call::h9d43a73a8e9fb04a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:381:40 [INFO] [stderr] 21: 0x55f50bc8e097 - std::panicking::try::h7a8d1100a6afe839 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:345:19 [INFO] [stderr] 22: 0x55f50bc8e097 - std::panic::catch_unwind::h9c80942da690cf03 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panic.rs:382:14 [INFO] [stderr] 23: 0x55f50bc8e097 - std::rt::lang_start_internal::h18ef240fb861b4d5 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x55f50bc73ff7 - std::rt::lang_start::hdfedffa0a2ad924b [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x55f50bc717aa - main [INFO] [stderr] 26: 0x7fed389b00b3 - __libc_start_main [INFO] [stderr] 27: 0x55f50bc6c0ae - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "788d9ad3fb0c1cfdec6d1bd91309b3e00f904c4574d242ee4653b68d99310091", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "788d9ad3fb0c1cfdec6d1bd91309b3e00f904c4574d242ee4653b68d99310091", kill_on_drop: false }` [INFO] [stdout] 788d9ad3fb0c1cfdec6d1bd91309b3e00f904c4574d242ee4653b68d99310091