[INFO] fetching crate compu 0.3.2... [INFO] extracting crate compu 0.3.2 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/compu/0.3.2 [INFO] extracting crate compu 0.3.2 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/compu/0.3.2 [INFO] validating manifest of compu-0.3.2 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of compu-0.3.2 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing compu-0.3.2 [INFO] finished frobbing compu-0.3.2 [INFO] frobbed toml for compu-0.3.2 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/compu/0.3.2/Cargo.toml [INFO] started frobbing compu-0.3.2 [INFO] finished frobbing compu-0.3.2 [INFO] frobbed toml for compu-0.3.2 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/compu/0.3.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking compu-0.3.2 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/compu/0.3.2:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 47729bf51ab251b4e32c0dde5e2ac9f3f1bbce655671a04844a67beb45b4ab7f [INFO] running `"docker" "start" "-a" "47729bf51ab251b4e32c0dde5e2ac9f3f1bbce655671a04844a67beb45b4ab7f"` [INFO] [stderr] Compiling cloudflare-zlib-sys v0.2.0 [INFO] [stderr] Compiling compu-brotli-sys v0.1.0 [INFO] [stderr] error: failed to run custom build command for `compu-brotli-sys v0.1.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/compu-brotli-sys-f5e72b9aa804f72b/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Checking brotli source code... [INFO] [stderr] Downloading brotli source code... [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'To create dir: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f723cdb02b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f723cdb02b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f723cdb02b - std::sys_common::backtrace::_print::h8e9bb00be68d4090 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f723cdb02b - std::sys_common::backtrace::print::h706192507dd9d34d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f723cdb02b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55f723cdad07 - std::panicking::default_hook::hfb9d48d2b8aaf0f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55f723cdb7a0 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55f723cdb322 - std::panicking::continue_panic_fmt::h360cf8419afe0564 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55f723cdb206 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x55f723cf722d - core::panicking::panic_fmt::h9cf93b79d5aa98c5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55f723c883b7 - core::result::unwrap_failed::hf9d287a513a679d0 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55f723c4e947 - core::result::Result::expect::h4188bc59458209ed [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x55f723c4febf - build_script_build::fetch_brotli_if::h18d683c9c413d72e [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compu-brotli-sys-0.1.0/build.rs:16 [INFO] [stderr] 13: 0x55f723c50616 - build_script_build::main::hb22ac37f7ab148b4 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compu-brotli-sys-0.1.0/build.rs:116 [INFO] [stderr] 14: 0x55f723c4e2a0 - std::rt::lang_start::{{closure}}::hd11415329d7280d9 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55f723cdb1a3 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55f723cdb1a3 - std::panicking::try::do_call::h4528fe5c5ea34ef8 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 17: 0x55f723ce3e0a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 18: 0x55f723cdbcad - std::panicking::try::ha87d5378c5dcb863 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 19: 0x55f723cdbcad - std::panic::catch_unwind::hf01b748a30fdd5ec [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 20: 0x55f723cdbcad - std::rt::lang_start_internal::h9518341cf2ad1d33 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55f723c4e279 - std::rt::lang_start::h58975aa16ea37d55 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55f723c5065a - main [INFO] [stderr] 23: 0x7f2a830652e1 - __libc_start_main [INFO] [stderr] 24: 0x55f723c4e04a - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "47729bf51ab251b4e32c0dde5e2ac9f3f1bbce655671a04844a67beb45b4ab7f"` [INFO] running `"docker" "rm" "-f" "47729bf51ab251b4e32c0dde5e2ac9f3f1bbce655671a04844a67beb45b4ab7f"` [INFO] [stdout] 47729bf51ab251b4e32c0dde5e2ac9f3f1bbce655671a04844a67beb45b4ab7f