[INFO] fetching crate wren_rust 0.1.3... [INFO] checking wren_rust-0.1.3 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] extracting crate wren_rust 0.1.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate wren_rust 0.1.3 on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wren_rust 0.1.3 [INFO] finished tweaking crates.io crate wren_rust 0.1.3 [INFO] tweaked toml for crates.io crate wren_rust 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20a477fc79b526e048d8dbfcdf2d1340b2d5eafa4259ffb212dcd1243d6921a0 [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" "20a477fc79b526e048d8dbfcdf2d1340b2d5eafa4259ffb212dcd1243d6921a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20a477fc79b526e048d8dbfcdf2d1340b2d5eafa4259ffb212dcd1243d6921a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20a477fc79b526e048d8dbfcdf2d1340b2d5eafa4259ffb212dcd1243d6921a0", kill_on_drop: false }` [INFO] [stdout] 20a477fc79b526e048d8dbfcdf2d1340b2d5eafa4259ffb212dcd1243d6921a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6ef28d470d81ca4c42f07a87e1619b990177ef956ded82d0aeb76ec8a49715a [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" "f6ef28d470d81ca4c42f07a87e1619b990177ef956ded82d0aeb76ec8a49715a", kill_on_drop: false }` [INFO] [stderr] Compiling wren_rust v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] error: failed to run custom build command for `wren_rust v0.1.3 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/wren_rust-d47a477caed23a1f/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: 0x55a4f9d67945 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a4f9d67945 - backtrace::backtrace::trace_unsynchronized::hc29c6e6df26d44d7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a4f9d67945 - std::sys_common::backtrace::_print_fmt::h4c9f4993b039bd03 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a4f9d67945 - ::fmt::h91f5cfffa0da5a7a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a4f9d8906c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55a4f9d65982 - std::io::Write::write_fmt::h5e28da8ce574bfe8 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55a4f9d69d80 - std::sys_common::backtrace::_print::h0ceef71d03fb70bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a4f9d69d80 - std::sys_common::backtrace::print::h1bacb65357a70fca [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a4f9d69d80 - std::panicking::default_hook::{{closure}}::h249639eade443064 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55a4f9d69acc - std::panicking::default_hook::hbe64ddeb621910df [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55a4f9d6a3c3 - std::panicking::rust_panic_with_hook::h16376479909ace6a [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55a4f9d5d6f5 - std::panicking::begin_panic::h0d69af1c81cd3ef7 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55a4f9d5dfaa - build_script_build::make_debug::h67bbd3c49c0c9c4d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:8 [INFO] [stderr] 13: 0x55a4f9d5e157 - build_script_build::main::h434c1074b2c5e40d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:27 [INFO] [stderr] 14: 0x55a4f9d5d27b - std::rt::lang_start::{{closure}}::h44f88f4db5c6976c [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55a4f9d6a793 - std::rt::lang_start_internal::{{closure}}::h6d7ca43fc52cff4a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55a4f9d6a793 - std::panicking::try::do_call::h89610ba8f4fbfe54 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 17: 0x55a4f9d6a793 - std::panicking::try::h69595087e4498dc2 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 18: 0x55a4f9d6a793 - std::panic::catch_unwind::ha2aa2ebd78a46e0d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55a4f9d6a793 - std::rt::lang_start_internal::h2ae59503bb8c048c [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x55a4f9d5d257 - std::rt::lang_start::heeec58e436d5bcf8 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x55a4f9d5e2ea - main [INFO] [stderr] 22: 0x7fd6236480b3 - __libc_start_main [INFO] [stderr] 23: 0x55a4f9d5617e - _start [INFO] [stderr] 24: 0x0 - [INFO] running `Command { std: "docker" "inspect" "f6ef28d470d81ca4c42f07a87e1619b990177ef956ded82d0aeb76ec8a49715a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6ef28d470d81ca4c42f07a87e1619b990177ef956ded82d0aeb76ec8a49715a", kill_on_drop: false }` [INFO] [stdout] f6ef28d470d81ca4c42f07a87e1619b990177ef956ded82d0aeb76ec8a49715a