[INFO] crate picotcp-sys 0.2.1 is already in cache [INFO] extracting crate picotcp-sys 0.2.1 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/picotcp-sys/0.2.1 [INFO] extracting crate picotcp-sys 0.2.1 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/picotcp-sys/0.2.1 [INFO] validating manifest of picotcp-sys-0.2.1 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of picotcp-sys-0.2.1 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing picotcp-sys-0.2.1 [INFO] finished frobbing picotcp-sys-0.2.1 [INFO] frobbed toml for picotcp-sys-0.2.1 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/picotcp-sys/0.2.1/Cargo.toml [INFO] started frobbing picotcp-sys-0.2.1 [INFO] finished frobbing picotcp-sys-0.2.1 [INFO] frobbed toml for picotcp-sys-0.2.1 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/picotcp-sys/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking picotcp-sys-0.2.1 against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-4/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/picotcp-sys/0.2.1:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 60c69fa0822bf8fa886c0fb41639b62d766dfbad02ab2df08076e880306fbea5 [INFO] running `"docker" "start" "-a" "60c69fa0822bf8fa886c0fb41639b62d766dfbad02ab2df08076e880306fbea5"` [INFO] [stderr] Compiling syntex_pos v0.38.0 [INFO] [stderr] Compiling clang-sys v0.11.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling syntex_errors v0.38.0 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling syntex_syntax v0.38.0 [INFO] [stderr] Compiling docopt v0.6.86 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] warning[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.38.0/src/ext/expand.rs:1061:25 [INFO] [stderr] | [INFO] [stderr] 1051 | let mut expander = MacroExpander::new(&mut cx); [INFO] [stderr] | ------- mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1061 | let err_count = cx.parse_sess.span_diagnostic.err_count(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here [INFO] [stderr] 1062 | let mut ret = expander.fold_crate(c); [INFO] [stderr] | -------- mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling bindgen v0.19.1 [INFO] [stderr] Compiling picotcp-sys v0.2.1 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `picotcp-sys v0.2.1 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/picotcp-sys-f422c5c70a160bf6/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to open file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561f87c8bcab - backtrace::backtrace::libunwind::trace::h399a7a5a1c92b2d8 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x561f87c8bcab - backtrace::backtrace::trace_unsynchronized::h76e29b9231dd0873 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561f87c8bcab - std::sys_common::backtrace::_print::hb092bf553e068953 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x561f87c8bcab - std::sys_common::backtrace::print::h3407b08071f3f520 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x561f87c8bcab - std::panicking::default_hook::{{closure}}::hc3b8cf51c83ab26e [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x561f87c8b987 - std::panicking::default_hook::h54ef93848f2476c8 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x561f87c8c3c0 - std::panicking::rust_panic_with_hook::hf0df85aa51810823 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x561f87c8bf42 - std::panicking::continue_panic_fmt::hd822862a3dda0081 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x561f87c8be26 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x561f87ca747d - core::panicking::panic_fmt::h569fafe348e0c6f0 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x561f876ed478 - core::result::unwrap_failed::had5da237bb510e6e [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x561f875d28f4 - core::result::Result::expect::h21d74aadd5875063 [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x561f875ce389 - build_script_build::main::hd0af64ac858830c9 [INFO] [stderr] at /opt/crater/workdir/build.rs:74 [INFO] [stderr] 13: 0x561f875d0680 - std::rt::lang_start::{{closure}}::hb9b15c482ab9e4cd [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x561f87c8bdc3 - std::rt::lang_start_internal::{{closure}}::he78638434283b545 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x561f87c8bdc3 - std::panicking::try::do_call::h355c93ec0a462271 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x561f87c92b7a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x561f87c8c8cd - std::panicking::try::h3918ed6cf08237ff [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x561f87c8c8cd - std::panic::catch_unwind::h8b2e693598ba7028 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x561f87c8c8cd - std::rt::lang_start_internal::h78590588d24f24ba [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x561f875d0659 - std::rt::lang_start::h23cd49a82673b477 [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x561f875ce78a - main [INFO] [stderr] 22: 0x7ff03e8c22e1 - __libc_start_main [INFO] [stderr] 23: 0x561f875c81ea - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "60c69fa0822bf8fa886c0fb41639b62d766dfbad02ab2df08076e880306fbea5"` [INFO] running `"docker" "rm" "-f" "60c69fa0822bf8fa886c0fb41639b62d766dfbad02ab2df08076e880306fbea5"` [INFO] [stdout] 60c69fa0822bf8fa886c0fb41639b62d766dfbad02ab2df08076e880306fbea5