[INFO] crate wren_rust 0.1.3 is already in cache [INFO] extracting crate wren_rust 0.1.3 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/wren_rust/0.1.3 [INFO] extracting crate wren_rust 0.1.3 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/wren_rust/0.1.3 [INFO] validating manifest of wren_rust-0.1.3 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wren_rust-0.1.3 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wren_rust-0.1.3 [INFO] finished frobbing wren_rust-0.1.3 [INFO] frobbed toml for wren_rust-0.1.3 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/wren_rust/0.1.3/Cargo.toml [INFO] started frobbing wren_rust-0.1.3 [INFO] finished frobbing wren_rust-0.1.3 [INFO] frobbed toml for wren_rust-0.1.3 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/wren_rust/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking wren_rust-0.1.3 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/wren_rust/0.1.3:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 16e31728d46c6ab08b05d0b989a65bef46cd69ff26f52734f7f56c4ae7509cee [INFO] running `"docker" "start" "-a" "16e31728d46c6ab08b05d0b989a65bef46cd69ff26f52734f7f56c4ae7509cee"` [INFO] [stderr] Compiling wren_rust v0.1.3 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `wren_rust v0.1.3 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/wren_rust-95252fcdae7fe121/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: 0x5610f2e3375b - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5610f2e3375b - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5610f2e3375b - std::sys_common::backtrace::_print::hc504093b15dd6a49 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5610f2e3375b - std::sys_common::backtrace::print::h74592d8df46164e6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5610f2e3375b - std::panicking::default_hook::{{closure}}::h148953d9747d04f4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5610f2e33436 - std::panicking::default_hook::h72a253311e200c7c [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5610f2e33e1d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5610f2e27fb1 - std::panicking::begin_panic::h02cba7250f6143bc [INFO] [stderr] at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5610f2e22d40 - build_script_build::make_debug::h266ae92f3cfc3705 [INFO] [stderr] at /opt/crater/workdir/build.rs:8 [INFO] [stderr] 9: 0x5610f2e22ed2 - build_script_build::main::hb79be54c77eac6e0 [INFO] [stderr] at /opt/crater/workdir/build.rs:27 [INFO] [stderr] 10: 0x5610f2e22290 - std::rt::lang_start::{{closure}}::hfbca7771fdd19356 [INFO] [stderr] at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64 [INFO] [stderr] 11: 0x5610f2e33873 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 12: 0x5610f2e33873 - std::panicking::try::do_call::h85f9b79f07affa28 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x5610f2e39c4a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 14: 0x5610f2e3432d - std::panicking::try::h0463127fe79abe73 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x5610f2e3432d - std::panic::catch_unwind::h846bfd7d9d99e56b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x5610f2e3432d - std::rt::lang_start_internal::h0a72d627fb2e90ec [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 17: 0x5610f2e22269 - std::rt::lang_start::he5b4634e5756ff2d [INFO] [stderr] at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x5610f2e2306a - main [INFO] [stderr] 19: 0x7f22f29fe2e1 - __libc_start_main [INFO] [stderr] 20: 0x5610f2e1ec7a - _start [INFO] [stderr] 21: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "16e31728d46c6ab08b05d0b989a65bef46cd69ff26f52734f7f56c4ae7509cee"` [INFO] running `"docker" "rm" "-f" "16e31728d46c6ab08b05d0b989a65bef46cd69ff26f52734f7f56c4ae7509cee"` [INFO] [stdout] 16e31728d46c6ab08b05d0b989a65bef46cd69ff26f52734f7f56c4ae7509cee