[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#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcantsin%2Fpcgs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cantsin/pcgs on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/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-7/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.22 [INFO] [stderr] Downloaded miniz-sys v0.1.10 [INFO] [stderr] Downloaded regex-syntax v0.3.9 [INFO] [stderr] Downloaded flate2 v0.2.20 [INFO] [stderr] Downloaded regex v0.1.80 [INFO] [stderr] Downloaded rustml v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8073ddb51086534d820e3f26fb84f81ae31c40e499580ebe3ed0c6d2a3b3ff94 [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" "8073ddb51086534d820e3f26fb84f81ae31c40e499580ebe3ed0c6d2a3b3ff94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8073ddb51086534d820e3f26fb84f81ae31c40e499580ebe3ed0c6d2a3b3ff94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8073ddb51086534d820e3f26fb84f81ae31c40e499580ebe3ed0c6d2a3b3ff94", kill_on_drop: false }` [INFO] [stdout] 8073ddb51086534d820e3f26fb84f81ae31c40e499580ebe3ed0c6d2a3b3ff94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 9afb03a68265f5623bba5787e4dfef78d57a7abe0caa9df9efb3ce06489a936e [INFO] running `Command { std: "docker" "start" "-a" "9afb03a68265f5623bba5787e4dfef78d57a7abe0caa9df9efb3ce06489a936e", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling cc v1.0.22 [INFO] [stderr] Checking unicode-width v0.1.5 [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] [stdout] warning: unused `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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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 the macro `writeln` (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-b5cf72089cab6e68/build-script-build` (exit status: 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: 0x562b569fa51c - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562b569fa51c - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562b569fa51c - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562b569fa51c - ::fmt::h06b8f714a0700be1 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562b56a1699c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/fmt/mod.rs:1150:17 [INFO] [stderr] 5: 0x562b569f83d5 - std::io::Write::write_fmt::hb1c61d571fcd8cbf [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x562b569fbc00 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562b569fbc00 - std::sys_common::backtrace::print::hae7d6625a78cd32e [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562b569fbc00 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x562b569fb7bb - std::panicking::default_hook::h5dc58e323cddd123 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x562b569fc2b4 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x562b569df8be - std::panicking::begin_panic::{{closure}}::h00277e7d87515e13 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:544:9 [INFO] [stderr] 12: 0x562b569dec7e - std::sys_common::backtrace::__rust_end_short_backtrace::hffea522c2bb53393 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562b569df7c4 - std::panicking::begin_panic::h8ba7312b82aed14b [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:543:12 [INFO] [stderr] 14: 0x562b569e0c97 - build_script_build::try_gcc::h36404b2aea69e25c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:25:5 [INFO] [stderr] 15: 0x562b569e0d1b - build_script_build::main::h890e0be183038796 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustml-0.0.7/build.rs:30:5 [INFO] [stderr] 16: 0x562b569dc3cb - core::ops::function::FnOnce::call_once::hbbeb8b4de714d215 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x562b569decbe - std::sys_common::backtrace::__rust_begin_short_backtrace::h7851421a555e9b5b [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x562b569ded51 - std::rt::lang_start::{{closure}}::hb076da241a19f929 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:63:18 [INFO] [stderr] 19: 0x562b569fc7ba - core::ops::function::impls:: for &F>::call_once::hc9bc8961e4809a14 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x562b569fc7ba - std::panicking::try::do_call::h6f00e12df2af6579 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40 [INFO] [stderr] 21: 0x562b569fc7ba - std::panicking::try::h588c31a0a9a8ad2c [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19 [INFO] [stderr] 22: 0x562b569fc7ba - std::panic::catch_unwind::h8ebc4fcb0e51bec0 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14 [INFO] [stderr] 23: 0x562b569fc7ba - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:48 [INFO] [stderr] 24: 0x562b569fc7ba - std::panicking::try::do_call::hf70c5056d8b410b7 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40 [INFO] [stderr] 25: 0x562b569fc7ba - std::panicking::try::h0c680320de5deb84 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19 [INFO] [stderr] 26: 0x562b569fc7ba - std::panic::catch_unwind::h7b94a99f13366c53 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14 [INFO] [stderr] 27: 0x562b569fc7ba - std::rt::lang_start_internal::hca14fb2549072049 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:20 [INFO] [stderr] 28: 0x562b569ded20 - std::rt::lang_start::h179469eaf2828e6b [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:62:5 [INFO] [stderr] 29: 0x562b569e0d7c - main [INFO] [stderr] 30: 0x7f1f299230b3 - __libc_start_main [INFO] [stderr] 31: 0x562b569d778e - _start [INFO] [stderr] 32: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "9afb03a68265f5623bba5787e4dfef78d57a7abe0caa9df9efb3ce06489a936e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9afb03a68265f5623bba5787e4dfef78d57a7abe0caa9df9efb3ce06489a936e", kill_on_drop: false }` [INFO] [stdout] 9afb03a68265f5623bba5787e4dfef78d57a7abe0caa9df9efb3ce06489a936e