[INFO] cloning repository https://github.com/amar-laksh/workstation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amar-laksh/workstation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famar-laksh%2Fworkstation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famar-laksh%2Fworkstation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 367a6bb7bc9ed0d19b584bf6bdfd18719d8b0a49
[INFO] documenting amar-laksh/workstation against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famar-laksh%2Fworkstation" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amar-laksh/workstation on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amar-laksh/workstation
[INFO] finished tweaking git repo https://github.com/amar-laksh/workstation
[INFO] tweaked toml for git repo https://github.com/amar-laksh/workstation written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/amar-laksh/workstation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded notify-rust v3.4.2
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded backtrace-sys v0.1.14
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.29
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded shells v0.2.0
[INFO] [stderr]   Downloaded opencv v0.2.3
[INFO] [stderr]   Downloaded dbus v0.4.1
[INFO] [stderr]   Downloaded clap v2.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1670cf9a5c0da5387f4f0279a3d14f08eda0bf8eb6ebe0852a29c8cbba8a3770
[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" "1670cf9a5c0da5387f4f0279a3d14f08eda0bf8eb6ebe0852a29c8cbba8a3770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1670cf9a5c0da5387f4f0279a3d14f08eda0bf8eb6ebe0852a29c8cbba8a3770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1670cf9a5c0da5387f4f0279a3d14f08eda0bf8eb6ebe0852a29c8cbba8a3770", kill_on_drop: false }`
[INFO] [stdout] 1670cf9a5c0da5387f4f0279a3d14f08eda0bf8eb6ebe0852a29c8cbba8a3770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f36c6c4e59e35e67764d5f7e873d5356eb2f536f031c399d4fc80308d388091
[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" "5f36c6c4e59e35e67764d5f7e873d5356eb2f536f031c399d4fc80308d388091", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking shells v0.2.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.1
[INFO] [stderr]    Compiling opencv v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr] error: failed to run custom build command for `opencv v0.2.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-c507626d6fc613e1/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "`\"pkg-config\" \"--libs\" \"--cflags\" \"opencv\"` did not exit successfully: exit code: 1\n--- stderr\nPackage opencv was not found in the pkg-config search path.\nPerhaps you should add the directory containing `opencv.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'opencv\' found\n"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencv-0.2.3/build.rs:16:59
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e230a74e00 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55e230a74e00 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55e230a74e00 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55e230a74e00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55e230a942ac - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55e230a70fa2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x55e230a7730d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55e230a7730d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55e230a7730d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55e230a76fb8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55e230a77991 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55e230a77539 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55e230a7528c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55e230a774f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55e230a935c1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55e230a933e3 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x55e2309e87a0 - core::result::Result<T,E>::unwrap::h8dfee8dd68488c31
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x55e2309de2d8 - build_script_build::main::h2c12272eed439e9c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencv-0.2.3/build.rs:16
[INFO] [stderr]     18:     0x55e2309e49bb - core::ops::function::FnOnce::call_once::h8f5e5788934aabd5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x55e2309e48ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h405462e4f80cfda2
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x55e2309e8271 - std::rt::lang_start::{{closure}}::h78c7484f65be6a9b
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x55e230a77db7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x55e230a77db7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x55e230a77db7 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x55e230a77db7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x55e230a77db7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x55e2309e8247 - std::rt::lang_start::h92e1757bd9c16fe9
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x55e2309e24ea - main
[INFO] [stderr]     28:     0x7f928cc130b3 - __libc_start_main
[INFO] [stderr]     29:     0x55e2309de0be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5f36c6c4e59e35e67764d5f7e873d5356eb2f536f031c399d4fc80308d388091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f36c6c4e59e35e67764d5f7e873d5356eb2f536f031c399d4fc80308d388091", kill_on_drop: false }`
[INFO] [stdout] 5f36c6c4e59e35e67764d5f7e873d5356eb2f536f031c399d4fc80308d388091
