[INFO] cloning repository https://github.com/onelson/balcony.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onelson/balcony.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fbalcony.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fbalcony.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e785a625afe223af4b4510db325c964cd89cd1a
[INFO] checking onelson/balcony.rs against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fbalcony.rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onelson/balcony.rs on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onelson/balcony.rs
[INFO] finished tweaking git repo https://github.com/onelson/balcony.rs
[INFO] tweaked toml for git repo https://github.com/onelson/balcony.rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/onelson/balcony.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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 opencv v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", 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] 3d170352f3daed240e66074f7de752f2d07bc36606d7a0608e7849746a574856
[INFO] running `Command { std: "docker" "start" "-a" "3d170352f3daed240e66074f7de752f2d07bc36606d7a0608e7849746a574856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d170352f3daed240e66074f7de752f2d07bc36606d7a0608e7849746a574856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d170352f3daed240e66074f7de752f2d07bc36606d7a0608e7849746a574856", kill_on_drop: false }`
[INFO] [stdout] 3d170352f3daed240e66074f7de752f2d07bc36606d7a0608e7849746a574856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411145dc5d32bda449e9b7934a9bda5f050fe89d109ba8cbaf12d50e6db59c85
[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" "411145dc5d32bda449e9b7934a9bda5f050fe89d109ba8cbaf12d50e6db59c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling opencv v0.2.3
[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-9bc19026c5b1de2a/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:     0x55917e804640 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55917e804640 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55917e804640 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55917e804640 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55917e820aff - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55917e800eb2 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x55917e806585 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55917e806585 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55917e806585 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55917e806033 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55917e806b8d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55917e806727 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55917e804afc - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55917e806689 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55917e768471 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55917e768363 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x55917e76f98e - core::result::Result<T,E>::unwrap::hd0922fef8869bc90
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55917e768d0a - build_script_build::main::h6dedf9c9b56d0ba1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencv-0.2.3/build.rs:16:18
[INFO] [stderr]     18:     0x55917e76ee1b - core::ops::function::FnOnce::call_once::hea60de8afdc96067
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55917e772cae - std::sys_common::backtrace::__rust_begin_short_backtrace::hd1d580d49050892e
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55917e771b01 - std::rt::lang_start::{{closure}}::h4502045e18c6cf67
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55917e806f8a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55917e806f8a - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55917e806f8a - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55917e806f8a - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55917e806f8a - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55917e771ae0 - std::rt::lang_start::h8880b415a62e6cd4
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55917e76d0fc - main
[INFO] [stderr]     28:     0x7fda435890b3 - __libc_start_main
[INFO] [stderr]     29:     0x55917e768afe - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "411145dc5d32bda449e9b7934a9bda5f050fe89d109ba8cbaf12d50e6db59c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411145dc5d32bda449e9b7934a9bda5f050fe89d109ba8cbaf12d50e6db59c85", kill_on_drop: false }`
[INFO] [stdout] 411145dc5d32bda449e9b7934a9bda5f050fe89d109ba8cbaf12d50e6db59c85