[INFO] fetching crate browser-window-c 0.0.6...
[INFO] testing browser-window-c-0.0.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate browser-window-c 0.0.6 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate browser-window-c 0.0.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate browser-window-c 0.0.6
[INFO] finished tweaking crates.io crate browser-window-c 0.0.6
[INFO] tweaked toml for crates.io crate browser-window-c 0.0.6 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a340ed7506c46271dc7906faea4c7b23877ff78ded49004605826b03fa44e9df
[INFO] running `Command { std: "docker" "start" "-a" "a340ed7506c46271dc7906faea4c7b23877ff78ded49004605826b03fa44e9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a340ed7506c46271dc7906faea4c7b23877ff78ded49004605826b03fa44e9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a340ed7506c46271dc7906faea4c7b23877ff78ded49004605826b03fa44e9df", kill_on_drop: false }`
[INFO] [stdout] a340ed7506c46271dc7906faea4c7b23877ff78ded49004605826b03fa44e9df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ebab0b53dc9272533e8a909488b2ee4d460d41f25aec772733be7243d8c3270
[INFO] running `Command { std: "docker" "start" "-a" "6ebab0b53dc9272533e8a909488b2ee4d460d41f25aec772733be7243d8c3270", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling browser-window-c v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> build.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Err(e) => panic!( format!("Unable to read directory entry for dir {}: {}", path.as_os_str().to_str().unwrap(), e) ),
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Err(e) => panic!( "Unable to read directory entry for dir {}: {}", path.as_os_str().to_str().unwrap(), e ),
[INFO] [stdout]    |                              --                                                                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `browser-window-c v0.0.6 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/browser-window-c-a7feb59565e287c2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=CEF_PATH
[INFO] [stderr]   cargo:rerun-if-changed=src/assert.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application.h
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/client_handler.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/client_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/v8_to_string.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/exception.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/external_invocation_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/app_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/exception.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/posix.h
[INFO] [stderr]   cargo:rerun-if-changed=src/string.h
[INFO] [stderr]   cargo:rerun-if-changed=src/lib.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/err.h
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/application/gtk.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/window/gtk.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface.h
[INFO] [stderr]   cargo:rerun-if-changed=src/bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/dummy_bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/err.c
[INFO] [stderr]   cargo:rerun-if-changed=src/string.c
[INFO] [stderr]   cargo:rerun-if-changed=src/win32/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/glx.c
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/common.h
[INFO] [stderr]   cargo:rerun-if-changed=src/debug.h
[INFO] [stderr]   cargo:rerun-if-changed=src/bool.h
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Environment variable CEF_PATH is not set! This is needed by Browser Window to find CEF's development files. See https://github.com/bamilab/browser-window/tree/master/docs/getting-started for more information.', build.rs:147:29
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5580a2593b30 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5580a2593b30 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5580a2593b30 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5580a2593b30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5580a25b921c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5580a2590275 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5580a2595e5b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5580a2595e5b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5580a2595e5b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5580a2595931 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5580a2596524 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5580a2561c73 - std::panicking::begin_panic::{{closure}}::hae2447c37c09d3ae
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x5580a255f5e9 - std::sys_common::backtrace::__rust_end_short_backtrace::h7c9a731dce5f3817
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5580a2561ba9 - std::panicking::begin_panic::hfc8d51dbe9ecf18b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x5580a1ffa0d5 - build_script_build::main::h4befed73e5037297
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:147:8
[INFO] [stderr]     15:     0x5580a1ffc20b - core::ops::function::FnOnce::call_once::h63a276664b6a92fe
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x5580a1ffda7e - std::sys_common::backtrace::__rust_begin_short_backtrace::hedcedbf8c6765b53
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x5580a1ffdb11 - std::rt::lang_start::{{closure}}::h8f6bd0f496d77ee3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18
[INFO] [stderr]     18:     0x5580a2596a2a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x5580a2596a2a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x5580a2596a2a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x5580a2596a2a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x5580a2596a2a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stderr]     23:     0x5580a2596a2a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5580a2596a2a - std::panicking::try::hd0929f0b603e0389
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5580a2596a2a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5580a2596a2a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stderr]     27:     0x5580a1ffdae0 - std::rt::lang_start::ha47c8feb1aa2e681
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5
[INFO] [stderr]     28:     0x5580a1ffb14c - main
[INFO] [stderr]     29:     0x7faf526d90b3 - __libc_start_main
[INFO] [stderr]     30:     0x5580a1ff812e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6ebab0b53dc9272533e8a909488b2ee4d460d41f25aec772733be7243d8c3270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebab0b53dc9272533e8a909488b2ee4d460d41f25aec772733be7243d8c3270", kill_on_drop: false }`
[INFO] [stdout] 6ebab0b53dc9272533e8a909488b2ee4d460d41f25aec772733be7243d8c3270
