[INFO] fetching crate camera 0.1.0...
[INFO] checking camera-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate camera 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate camera 0.1.0
[INFO] finished tweaking crates.io crate camera 0.1.0
[INFO] tweaked toml for crates.io crate camera 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate camera 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate camera 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfa4f571bf4b2d0c61d5455e78a65a070ad1871edc67f68492855211b2689c01
[INFO] running `Command { std: "docker" "start" "-a" "bfa4f571bf4b2d0c61d5455e78a65a070ad1871edc67f68492855211b2689c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfa4f571bf4b2d0c61d5455e78a65a070ad1871edc67f68492855211b2689c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa4f571bf4b2d0c61d5455e78a65a070ad1871edc67f68492855211b2689c01", kill_on_drop: false }`
[INFO] [stdout] bfa4f571bf4b2d0c61d5455e78a65a070ad1871edc67f68492855211b2689c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1057d3d142bba9f9624e59b5789709dca7c3d9d7c3df8be13db642dce29449f
[INFO] running `Command { std: "docker" "start" "-a" "c1057d3d142bba9f9624e59b5789709dca7c3d9d7c3df8be13db642dce29449f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling camera_capture v0.5.0
[INFO] [stderr] error: failed to run custom build command for `camera_capture v0.5.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/camera_capture-69824e65d414fc93/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=Cargo.toml
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBV4L2_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/camera_capture-0.5.0/build.rs:6:65:
[INFO] [stderr]   library `v4l2` not found: Failure { command: "PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=\"1\" PKG_CONFIG_ALLOW_SYSTEM_LIBS=\"1\" \"pkg-config\" \"--static\" \"--libs\" \"--cflags\" \"libv4l2\"", output: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "Package libv4l2 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libv4l2.pc'\nto the PKG_CONFIG_PATH environment variable\nPackage 'libv4l2', required by 'virtual:world', not found\n" } }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5f1de89e7fa2 - std::backtrace_rs::backtrace::libunwind::trace::h35697ee4eba130ce
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5f1de89e7fa2 - std::backtrace_rs::backtrace::trace_unsynchronized::h821d82358390ef61
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5f1de89e7fa2 - std::sys::backtrace::_print_fmt::h9158bc717d508a77
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5f1de89e7fa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5f1de8a09313 - core::fmt::rt::Argument::fmt::h1fe7174bba1b124b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5f1de8a09313 - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5f1de89e5273 - std::io::default_write_fmt::h6bc575c69608f4bf
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5f1de89e5273 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5f1de89e7df2 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5f1de89e9093 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5f1de89e8e75 - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5f1de89e9965 - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5f1de89e97fa - std::panicking::begin_panic_handler::{{closure}}::hba6753e2258c3ca5
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5f1de89e8499 - std::sys::backtrace::__rust_end_short_backtrace::h2cb272d2e7861977
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5f1de89e948d - __rustc[eab4d5e6b70a8ffe]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5f1de8a08270 - core::panicking::panic_fmt::hf5fc61f5edac1f66
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5f1de8a086a6 - core::result::unwrap_failed::haa623b4ff31ed2b9
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x5f1de89a6ac9 - core::result::Result<T,E>::expect::h51e3e4471c7f826a
[INFO] [stderr]     18:     0x5f1de89a707e - build_script_build::main::hdb45026db2bf55e2
[INFO] [stderr]     19:     0x5f1de89a6803 - core::ops::function::FnOnce::call_once::ha137b02461d4726c
[INFO] [stderr]     20:     0x5f1de89a6726 - std::sys::backtrace::__rust_begin_short_backtrace::hf5814eea7f991d12
[INFO] [stderr]     21:     0x5f1de89a6709 - std::rt::lang_start::{{closure}}::h479e34d81bb0f650
[INFO] [stderr]     22:     0x5f1de89e1d30 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h66ad6720703f8ea1
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x5f1de89e1d30 - std::panicking::catch_unwind::do_call::he2b21b35195f1300
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x5f1de89e1d30 - std::panicking::catch_unwind::hc26ac766233d7e02
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x5f1de89e1d30 - std::panic::catch_unwind::h8b08d739cff46c9c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5f1de89e1d30 - std::rt::lang_start_internal::{{closure}}::h45fb10f5cf038da2
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5f1de89e1d30 - std::panicking::catch_unwind::do_call::h9dd91bad151f329c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x5f1de89e1d30 - std::panicking::catch_unwind::h4a013f3afc17f233
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x5f1de89e1d30 - std::panic::catch_unwind::h402a508eeeb80b75
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5f1de89e1d30 - std::rt::lang_start_internal::h310eb6ed8a66b615
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5f1de89a66f1 - std::rt::lang_start::h3e54d6fc313a27a6
[INFO] [stderr]     32:     0x5f1de89a70e5 - main
[INFO] [stderr]     33:     0x771a0e01e1ca - <unknown>
[INFO] [stderr]     34:     0x771a0e01e28b - __libc_start_main
[INFO] [stderr]     35:     0x5f1de89a6605 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c1057d3d142bba9f9624e59b5789709dca7c3d9d7c3df8be13db642dce29449f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1057d3d142bba9f9624e59b5789709dca7c3d9d7c3df8be13db642dce29449f", kill_on_drop: false }`
[INFO] [stdout] c1057d3d142bba9f9624e59b5789709dca7c3d9d7c3df8be13db642dce29449f
