[INFO] fetching crate camera 0.1.0...
[INFO] checking camera-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate camera 0.1.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate camera 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fd2d8b4fad142a903b3e50deb9189de9c2f05c39857afded0bffa1199f86243
[INFO] running `Command { std: "docker" "start" "-a" "8fd2d8b4fad142a903b3e50deb9189de9c2f05c39857afded0bffa1199f86243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fd2d8b4fad142a903b3e50deb9189de9c2f05c39857afded0bffa1199f86243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd2d8b4fad142a903b3e50deb9189de9c2f05c39857afded0bffa1199f86243", kill_on_drop: false }`
[INFO] [stdout] 8fd2d8b4fad142a903b3e50deb9189de9c2f05c39857afded0bffa1199f86243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a44199366eba302ca24adb56d8a2358892d426d188d753dda594d195097212b
[INFO] running `Command { std: "docker" "start" "-a" "9a44199366eba302ca24adb56d8a2358892d426d188d753dda594d195097212b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[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]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lzw v0.10.0
[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 crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[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]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling camera_capture v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rscam v0.5.5
[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' (694) 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:     0x61b4170d7a92 - std::backtrace_rs::backtrace::libunwind::trace::h105f921882c12e03
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61b4170d7a92 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8b40918ba88bae2
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61b4170d7a92 - std::sys::backtrace::_print_fmt::h61144b3593b669a6
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61b4170d7a92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha7f14f4d725d0e1f
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x61b4170f8a0f - core::fmt::rt::Argument::fmt::h291cffbfb6f5f437
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x61b4170f8a0f - core::fmt::write::h613c8eb2432c6a8e
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x61b4170c8e13 - std::io::default_write_fmt::h1b19b0ce9c092acc
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61b4170c8e13 - std::io::Write::write_fmt::ha60efb35d66e9b8c
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x61b4170d7d62 - std::sys::backtrace::BacktraceLock::print::hb1963680433203b9
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x61b4170c65ac - std::panicking::default_hook::{{closure}}::h12644fad1f9f9c3f
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x61b4170c63e6 - std::panicking::default_hook::h92d7423bfb093343
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x61b4170c5f6c - std::panicking::panic_with_hook::hfd863520fce8e281
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x61b4170d7e1a - std::panicking::panic_handler::{{closure}}::h75bad88e9628e7c4
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x61b4170d7d79 - std::sys::backtrace::__rust_end_short_backtrace::hba2ee9743eb3598b
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x61b4170c5ecd - __rustc[d20f6e1e05d5ea87]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x61b4170fb470 - core::panicking::panic_fmt::h291b19446b355b1a
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x61b4170fbe16 - core::result::unwrap_failed::he6619352ef31eefc
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/result.rs:1852:5
[INFO] [stderr]     17:     0x61b417095709 - core::result::Result<T,E>::expect::hec72d57fdcf19819
[INFO] [stderr]     18:     0x61b417095a2e - build_script_build::main::hb6c0813330391cc4
[INFO] [stderr]     19:     0x61b417096053 - core::ops::function::FnOnce::call_once::h063cebfe3da177e4
[INFO] [stderr]     20:     0x61b417095776 - std::sys::backtrace::__rust_begin_short_backtrace::h4ef418b1ed93da51
[INFO] [stderr]     21:     0x61b4170957e9 - std::rt::lang_start::{{closure}}::hf7550b107de396f3
[INFO] [stderr]     22:     0x61b4170d85c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd30f70589ce52217
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x61b4170d85c0 - std::panicking::catch_unwind::do_call::h229a800b64964a72
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x61b4170d85c0 - std::panicking::catch_unwind::hf5b1c782bbaa8c87
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x61b4170d85c0 - std::panic::catch_unwind::h44fb21a21f79e7af
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x61b4170d85c0 - std::rt::lang_start_internal::{{closure}}::h3d19e32b9588f707
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x61b4170d85c0 - std::panicking::catch_unwind::do_call::hf0c858106eb39fbd
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x61b4170d85c0 - std::panicking::catch_unwind::h92692cc8e925ec21
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x61b4170d85c0 - std::panic::catch_unwind::h4f023f48f37702a5
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x61b4170d85c0 - std::rt::lang_start_internal::h80fdaffb9834036d
[INFO] [stderr]                                  at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x61b4170957d1 - std::rt::lang_start::h144b539e3f85de34
[INFO] [stderr]     32:     0x61b417096085 - main
[INFO] [stderr]     33:     0x71734de641ca - <unknown>
[INFO] [stderr]     34:     0x71734de6428b - __libc_start_main
[INFO] [stderr]     35:     0x61b4170955a5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a44199366eba302ca24adb56d8a2358892d426d188d753dda594d195097212b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a44199366eba302ca24adb56d8a2358892d426d188d753dda594d195097212b", kill_on_drop: false }`
[INFO] [stdout] 9a44199366eba302ca24adb56d8a2358892d426d188d753dda594d195097212b