[INFO] cloning repository https://github.com/Awesome-YB/fontconfig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Awesome-YB/fontconfig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesome-YB%2Ffontconfig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesome-YB%2Ffontconfig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daa175d234b8a362eedd4c18c33537cc2d19cd98
[INFO] testing Awesome-YB/fontconfig against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesome-YB%2Ffontconfig" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Awesome-YB/fontconfig
[INFO] finished tweaking git repo https://github.com/Awesome-YB/fontconfig
[INFO] tweaked toml for git repo https://github.com/Awesome-YB/fontconfig written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Awesome-YB/fontconfig on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Awesome-YB/fontconfig 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a1d12fe7d4ad1faa408b8c6722bad708a528fb86334db83ff06f38c27a49f0
[INFO] running `Command { std: "docker" "start" "-a" "24a1d12fe7d4ad1faa408b8c6722bad708a528fb86334db83ff06f38c27a49f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a1d12fe7d4ad1faa408b8c6722bad708a528fb86334db83ff06f38c27a49f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a1d12fe7d4ad1faa408b8c6722bad708a528fb86334db83ff06f38c27a49f0", kill_on_drop: false }`
[INFO] [stdout] 24a1d12fe7d4ad1faa408b8c6722bad708a528fb86334db83ff06f38c27a49f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7bdc4bfbbd363e47f6269ee115749d7724d7bb0803d97ff33195373e87337b
[INFO] running `Command { std: "docker" "start" "-a" "3a7bdc4bfbbd363e47f6269ee115749d7724d7bb0803d97ff33195373e87337b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling fc-fontations-bindgen v0.1.0 (/opt/rustwide/workdir/fc-fontations-bindgen)
[INFO] [stderr] error: failed to run custom build command for `fc-fontations-bindgen v0.1.0 (/opt/rustwide/workdir/fc-fontations-bindgen)`
[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/fc-fontations-bindgen-4c799bea73ad2398/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr] 
[INFO] [stderr]   ERROR: Unhandled python OSError. This is probably not a Meson bug, but an issue with your build environment.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/usr/lib/python3/dist-packages/mesonbuild/mesonmain.py", line 194, in run
[INFO] [stderr]       return options.run_func(options)
[INFO] [stderr]              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     File "/usr/lib/python3/dist-packages/mesonbuild/msetup.py", line 357, in run
[INFO] [stderr]       app = MesonApp(options)
[INFO] [stderr]             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     File "/usr/lib/python3/dist-packages/mesonbuild/msetup.py", line 68, in __init__
[INFO] [stderr]       (self.source_dir, self.build_dir) = self.validate_dirs()
[INFO] [stderr]                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     File "/usr/lib/python3/dist-packages/mesonbuild/msetup.py", line 148, in validate_dirs
[INFO] [stderr]       (src_dir, build_dir) = self.validate_core_dirs(self.options.builddir, self.options.sourcedir)
[INFO] [stderr]                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     File "/usr/lib/python3/dist-packages/mesonbuild/msetup.py", line 121, in validate_core_dirs
[INFO] [stderr]       os.makedirs(ndir1, exist_ok=True)
[INFO] [stderr]     File "<frozen os>", line 225, in makedirs
[INFO] [stderr]   OSError: [Errno 30] Read-only file system: '/opt/rustwide/workdir/build'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at fc-fontations-bindgen/build.rs:19:9:
[INFO] [stderr]   Meson setup failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57e114e0b202 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57e114e0b202 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57e114e0b202 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57e114e0b202 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57e114e2a333 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57e114e2a333 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x57e114e08d33 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57e114e08d33 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57e114e0b052 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57e114e0c0d6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x57e114e0bed9 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x57e114e0caa2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x57e114e0c97c - std::panicking::begin_panic::{{closure}}::h13865f7f56367b41
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:770:9
[INFO] [stderr]     13:     0x57e114e0b709 - std::sys::backtrace::__rust_end_short_backtrace::h41e1700e19349ed1
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x57e114e0c892 - std::panicking::begin_panic::h6990e2ce2677fde3
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:769:5
[INFO] [stderr]     15:     0x57e114de599b - build_script_build::main::h3360079348d7212c
[INFO] [stderr]     16:     0x57e114de4d73 - std::sys::backtrace::__rust_begin_short_backtrace::h70970bf843b7238c
[INFO] [stderr]     17:     0x57e114de4d69 - std::rt::lang_start::{{closure}}::hd441214c13f44a84
[INFO] [stderr]     18:     0x57e114e05a20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     19:     0x57e114e05a20 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     20:     0x57e114e05a20 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     21:     0x57e114e05a20 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     22:     0x57e114e05a20 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]     23:     0x57e114e05a20 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x57e114e05a20 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x57e114e05a20 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x57e114e05a20 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]     27:     0x57e114de5a95 - main
[INFO] [stderr]     28:     0x79eff65c51ca - <unknown>
[INFO] [stderr]     29:     0x79eff65c528b - __libc_start_main
[INFO] [stderr]     30:     0x57e114de4c95 - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a7bdc4bfbbd363e47f6269ee115749d7724d7bb0803d97ff33195373e87337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7bdc4bfbbd363e47f6269ee115749d7724d7bb0803d97ff33195373e87337b", kill_on_drop: false }`
[INFO] [stdout] 3a7bdc4bfbbd363e47f6269ee115749d7724d7bb0803d97ff33195373e87337b
