[INFO] fetching crate wren-sys 0.2.5... [INFO] extracting crate wren-sys 0.2.5 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/wren-sys/0.2.5 [INFO] extracting crate wren-sys 0.2.5 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/wren-sys/0.2.5 [INFO] validating manifest of wren-sys-0.2.5 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wren-sys-0.2.5 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wren-sys-0.2.5 [INFO] finished frobbing wren-sys-0.2.5 [INFO] frobbed toml for wren-sys-0.2.5 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/wren-sys/0.2.5/Cargo.toml [INFO] started frobbing wren-sys-0.2.5 [INFO] finished frobbing wren-sys-0.2.5 [INFO] frobbed toml for wren-sys-0.2.5 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/wren-sys/0.2.5/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking wren-sys-0.2.5 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/wren-sys/0.2.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 66a160bc00c4ba6249b29b809ebc2e3d79e78aa4b4c81bfbbe2376b11a4531c2 [INFO] running `"docker" "start" "-a" "66a160bc00c4ba6249b29b809ebc2e3d79e78aa4b4c81bfbbe2376b11a4531c2"` [INFO] [stderr] Compiling wren-sys v0.2.5 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `wren-sys v0.2.5 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/wren-sys-e1688a6223bb3a0e/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] make[1]: Entering directory '/opt/crater/workdir/wren' [INFO] [stderr] cc src/optional/wren_opt_meta.c -O0 -DDEBUG -g -std=c99 -fPIC [INFO] [stderr] util/wren.mk:199: recipe for target 'build/debug/optional/wren_opt_meta.o' failed [INFO] [stderr] make[1]: Leaving directory '/opt/crater/workdir/wren' [INFO] [stderr] Makefile:20: recipe for target 'debug' failed [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] mkdir: cannot create directory 'build': Read-only file system [INFO] [stderr] make[1]: *** [build/debug/optional/wren_opt_meta.o] Error 1 [INFO] [stderr] make: *** [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: 0x56063dea982b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56063dea982b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56063dea982b - std::sys_common::backtrace::_print::h878d975ca669e1b4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56063dea982b - std::sys_common::backtrace::print::h1b2f6b4885b021f3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56063dea982b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x56063dea952c - std::panicking::default_hook::h9b73316e8577c3fa [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x56063dea9ef0 - std::panicking::rust_panic_with_hook::he062866264d328c5 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x56063de9e0c4 - std::panicking::begin_panic::h31ed919df4254081 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x56063de98d3b - build_script_build::make_debug::h951e1126b91cc96d [INFO] [stderr] at /opt/crater/workdir/build.rs:8 [INFO] [stderr] 9: 0x56063de98ef2 - build_script_build::main::h07be79f7a939a959 [INFO] [stderr] at /opt/crater/workdir/build.rs:27 [INFO] [stderr] 10: 0x56063de984d0 - std::rt::lang_start::{{closure}}::ha742e11c693241c1 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 11: 0x56063dea9943 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 12: 0x56063dea9943 - std::panicking::try::do_call::h0bdfdef338a7b8de [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 13: 0x56063deafdda - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 14: 0x56063deaa3fd - std::panicking::try::h5986cc11523af350 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 15: 0x56063deaa3fd - std::panic::catch_unwind::h5e6e2d11127cecca [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 16: 0x56063deaa3fd - std::rt::lang_start_internal::hd1ad303a81183dc4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 17: 0x56063de984a9 - std::rt::lang_start::he58f1eb104a2f2d7 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x56063de9908a - main [INFO] [stderr] 19: 0x7f46783762e1 - __libc_start_main [INFO] [stderr] 20: 0x56063de959ca - _start [INFO] [stderr] 21: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "66a160bc00c4ba6249b29b809ebc2e3d79e78aa4b4c81bfbbe2376b11a4531c2"` [INFO] running `"docker" "rm" "-f" "66a160bc00c4ba6249b29b809ebc2e3d79e78aa4b4c81bfbbe2376b11a4531c2"` [INFO] [stdout] 66a160bc00c4ba6249b29b809ebc2e3d79e78aa4b4c81bfbbe2376b11a4531c2