[INFO] fetching crate wren-sys 0.2.5...
[INFO] checking wren-sys-0.2.5 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate wren-sys 0.2.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wren-sys 0.2.5 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wren-sys 0.2.5
[INFO] finished tweaking crates.io crate wren-sys 0.2.5
[INFO] tweaked toml for crates.io crate wren-sys 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46ac1e912343142d6027114f37c3af4abff7e5726d16628c1e5d204c9ed3d46d
[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" "46ac1e912343142d6027114f37c3af4abff7e5726d16628c1e5d204c9ed3d46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ac1e912343142d6027114f37c3af4abff7e5726d16628c1e5d204c9ed3d46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ac1e912343142d6027114f37c3af4abff7e5726d16628c1e5d204c9ed3d46d", kill_on_drop: false }`
[INFO] [stdout] 46ac1e912343142d6027114f37c3af4abff7e5726d16628c1e5d204c9ed3d46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b4e5875dbff41ee4fbf152c666a325b434d6eb8b6d2fdb17b6214808d4a2fd
[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" "d4b4e5875dbff41ee4fbf152c666a325b434d6eb8b6d2fdb17b6214808d4a2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling wren-sys v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `wren-sys v0.2.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wren-sys-b6c8156971aaa0cb/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   make[1]: Entering directory '/opt/rustwide/workdir/wren'
[INFO] [stderr]           cc src/optional/wren_opt_meta.c    -O0 -DDEBUG -g -std=c99 -fPIC
[INFO] [stderr]   make[1]: Leaving directory '/opt/rustwide/workdir/wren'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   mkdir: cannot create directory 'build': Read-only file system
[INFO] [stderr]   make[1]: *** [util/wren.mk:200: build/debug/optional/wren_opt_meta.o] Error 1
[INFO] [stderr]   make: *** [Makefile:20: debug] Error 2
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: status.unwrap().success()', build.rs:8:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e457cfb620 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e457cfb620 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e457cfb620 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e457cfb620 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e457d18d1c - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55e457cf9282 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55e457cfd355 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e457cfd355 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e457cfd355 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55e457cfceaa - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55e457cfdaf1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55e457cfd607 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55e457cfbadc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e457cfd599 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55e457d180f1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55e457d1803d - core::panicking::panic::h35b77276aa4b0c12
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55e457ce5551 - build_script_build::make_debug::h0174b4d7db61bb7f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     17:     0x55e457ce56d8 - build_script_build::main::hc9b0dcb263b903ff
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:27:5
[INFO] [stderr]     18:     0x55e457ce0fbb - core::ops::function::FnOnce::call_once::h8e5f2790c8c586ac
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55e457ce0a8e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb1403adecccfc7ee
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55e457ce24a1 - std::rt::lang_start::{{closure}}::h7032826ca8ab4826
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55e457cfdf17 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55e457cfdf17 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55e457cfdf17 - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55e457cfdf17 - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55e457cfdf17 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55e457ce2477 - std::rt::lang_start::h71512d15ee707cd9
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55e457ce588a - main
[INFO] [stderr]     28:     0x7f8ec7b030b3 - __libc_start_main
[INFO] [stderr]     29:     0x55e457cdf09e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4b4e5875dbff41ee4fbf152c666a325b434d6eb8b6d2fdb17b6214808d4a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b4e5875dbff41ee4fbf152c666a325b434d6eb8b6d2fdb17b6214808d4a2fd", kill_on_drop: false }`
[INFO] [stdout] d4b4e5875dbff41ee4fbf152c666a325b434d6eb8b6d2fdb17b6214808d4a2fd