[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 try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/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-12/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 748c8508ce0a63ac9b0eec286a8f9bdeabcd0af3475479335fd11f2abdfd2895 [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" "748c8508ce0a63ac9b0eec286a8f9bdeabcd0af3475479335fd11f2abdfd2895", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "748c8508ce0a63ac9b0eec286a8f9bdeabcd0af3475479335fd11f2abdfd2895", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "748c8508ce0a63ac9b0eec286a8f9bdeabcd0af3475479335fd11f2abdfd2895", kill_on_drop: false }` [INFO] [stdout] 748c8508ce0a63ac9b0eec286a8f9bdeabcd0af3475479335fd11f2abdfd2895 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93dc40915498e6c63e6ef2a9e3f9c3e2a8506f7284f863fee440c24881e4f6d8 [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" "93dc40915498e6c63e6ef2a9e3f9c3e2a8506f7284f863fee440c24881e4f6d8", kill_on_drop: false }` [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking unicode-width v0.1.5 [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 thread-id v2.0.0 [INFO] [stderr] Checking miniz-sys v0.1.10 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking num-iter v0.1.37 [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-8c8c8bb474ca0db9/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: 0x55a8488ff82f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55a8488ff82f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a8488ff82f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55a8488ff82f - ::fmt::h5a9d4ddd4d99b877 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55a84891dabc - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55a8488fdd75 - std::io::Write::write_fmt::h2dbf1bb0d9f42142 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55a848901d70 - std::sys_common::backtrace::_print::h1091565a54a3c462 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55a848901d70 - std::sys_common::backtrace::print::hc9759e13a502cda2 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55a848901d70 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55a848901abc - std::panicking::default_hook::h0dcf88ad4d72ec5e [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55a8489023b3 - std::panicking::rust_panic_with_hook::h81c308f7accbe523 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55a8488e8d4d - std::panicking::begin_panic::h9ad522cc22dc7d89 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:456 [INFO] [stderr] 12: 0x55a8488e4db9 - build_script_build::try_gcc::hc9907f4948415f32 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25 [INFO] [stderr] 13: 0x55a8488e4ec7 - build_script_build::main::h7f76da308167a86e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30 [INFO] [stderr] 14: 0x55a8488e80cb - std::rt::lang_start::{{closure}}::hb987a7eb56a48177 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/rt.rs:67 [INFO] [stderr] 15: 0x55a8489027c6 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/rt.rs:52 [INFO] [stderr] 16: 0x55a8489027c6 - std::panicking::try::do_call::he0af14a67f26ea71 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:348 [INFO] [stderr] 17: 0x55a8489027c6 - std::panicking::try::h87d5f0e2c2fee1c5 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panicking.rs:325 [INFO] [stderr] 18: 0x55a8489027c6 - std::panic::catch_unwind::he9266eec484f0287 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/panic.rs:394 [INFO] [stderr] 19: 0x55a8489027c6 - std::rt::lang_start_internal::hb54283a40e32dc37 [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/rt.rs:51 [INFO] [stderr] 20: 0x55a8488e80a7 - std::rt::lang_start::h4b7e241f43116dcf [INFO] [stderr] at /rustc/169954edd744527414c631e9af1bbdc537b0cdf2/library/std/src/rt.rs:67 [INFO] [stderr] 21: 0x55a8488e4f3a - main [INFO] [stderr] 22: 0x7f9689a300b3 - __libc_start_main [INFO] [stderr] 23: 0x55a8488df09e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "93dc40915498e6c63e6ef2a9e3f9c3e2a8506f7284f863fee440c24881e4f6d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93dc40915498e6c63e6ef2a9e3f9c3e2a8506f7284f863fee440c24881e4f6d8", kill_on_drop: false }` [INFO] [stdout] 93dc40915498e6c63e6ef2a9e3f9c3e2a8506f7284f863fee440c24881e4f6d8