[INFO] cloning repository https://github.com/HugoKempfer/knn-recommender [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HugoKempfer/knn-recommender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoKempfer%2Fknn-recommender", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoKempfer%2Fknn-recommender'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b10654bc61b6ab218d76df07eb726f03f244cd7 [INFO] checking HugoKempfer/knn-recommender against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoKempfer%2Fknn-recommender" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HugoKempfer/knn-recommender on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HugoKempfer/knn-recommender [INFO] finished tweaking git repo https://github.com/HugoKempfer/knn-recommender [INFO] tweaked toml for git repo https://github.com/HugoKempfer/knn-recommender written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/HugoKempfer/knn-recommender already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustml v0.0.7 [INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e36f30cd4c9ed2c1cda256e18e0d173e1f6d0d8932113c784c123a43baa4c7e [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" "3e36f30cd4c9ed2c1cda256e18e0d173e1f6d0d8932113c784c123a43baa4c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e36f30cd4c9ed2c1cda256e18e0d173e1f6d0d8932113c784c123a43baa4c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e36f30cd4c9ed2c1cda256e18e0d173e1f6d0d8932113c784c123a43baa4c7e", kill_on_drop: false }` [INFO] [stdout] 3e36f30cd4c9ed2c1cda256e18e0d173e1f6d0d8932113c784c123a43baa4c7e [INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4bb2d8cab7cb7811acda31b888e16d92770636105951e18eb0587c4295defa8e [INFO] running `Command { std: "docker" "start" "-a" "4bb2d8cab7cb7811acda31b888e16d92770636105951e18eb0587c4295defa8e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling cc v1.0.63 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling rustml v0.0.7 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking csv-core v0.1.10 [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-18e0476629fcb147/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: 0x562a08026b20 - std::backtrace_rs::backtrace::libunwind::trace::h9d49145f95eb5894 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562a08026b20 - std::backtrace_rs::backtrace::trace_unsynchronized::hab1d020365bb6864 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562a08026b20 - std::sys_common::backtrace::_print_fmt::h7659588431e304bd [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562a08026b20 - ::fmt::h09f4a9e3befae3c7 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562a0804166c - core::fmt::write::hf3fdfde304b9a088 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x562a080249c2 - std::io::Write::write_fmt::h1cb850689c7116f0 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x562a08028835 - std::sys_common::backtrace::_print::hdbccd5aa093ba544 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562a08028835 - std::sys_common::backtrace::print::hc639c4f320222558 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562a08028835 - std::panicking::default_hook::{{closure}}::hdb012dd7a485bb5d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x562a080282e3 - std::panicking::default_hook::h75facbce77b6ba91 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x562a08028fd1 - std::panicking::rust_panic_with_hook::hbcaa5de2cb5e22d5 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x562a0800a5bd - std::panicking::begin_panic::{{closure}}::h6f58fa1522a61a29 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:520:9 [INFO] [stderr] 12: 0x562a0800451e - std::sys_common::backtrace::__rust_end_short_backtrace::hc3dd2da45dd38d4e [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562a0800a4b8 - std::panicking::begin_panic::h2dc812b4867954a8 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:519:12 [INFO] [stderr] 14: 0x562a08006635 - build_script_build::try_gcc::h807bbdc60fa356c1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25:5 [INFO] [stderr] 15: 0x562a0800678a - build_script_build::main::h587e10999e0bea47 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30:5 [INFO] [stderr] 16: 0x562a08004b7b - core::ops::function::FnOnce::call_once::hd24565bda7ea6436 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x562a0800455e - std::sys_common::backtrace::__rust_begin_short_backtrace::hee4034b43ad03daa [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x562a08009921 - std::rt::lang_start::{{closure}}::h768c10b0f14acd8b [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x562a080293ea - core::ops::function::impls:: for &F>::call_once::h31ee16c075ae2d62 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x562a080293ea - std::panicking::try::do_call::h3993344bf97066b6 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:379:40 [INFO] [stderr] 21: 0x562a080293ea - std::panicking::try::h09e523df7c9c2d28 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:343:19 [INFO] [stderr] 22: 0x562a080293ea - std::panic::catch_unwind::h9d4ddb10ebb815ff [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panic.rs:431:14 [INFO] [stderr] 23: 0x562a080293ea - std::rt::lang_start_internal::hc92e27a69d75de2a [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x562a080098f7 - std::rt::lang_start::h1a61943387c9754a [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x562a0800680a - main [INFO] [stderr] 26: 0x7f82629af0b3 - __libc_start_main [INFO] [stderr] 27: 0x562a080020ae - _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" "4bb2d8cab7cb7811acda31b888e16d92770636105951e18eb0587c4295defa8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bb2d8cab7cb7811acda31b888e16d92770636105951e18eb0587c4295defa8e", kill_on_drop: false }` [INFO] [stdout] 4bb2d8cab7cb7811acda31b888e16d92770636105951e18eb0587c4295defa8e