[INFO] crate picotcp-sys 0.2.1 is already in cache [INFO] checking picotcp-sys-0.2.1 against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327 [INFO] extracting crate picotcp-sys 0.2.1 into work/builds/worker-2/source [INFO] validating manifest of crates.io crate picotcp-sys 0.2.1 on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate picotcp-sys 0.2.1 [INFO] finished tweaking crates.io crate picotcp-sys 0.2.1 [INFO] tweaked toml for crates.io crate picotcp-sys 0.2.1 written to work/builds/worker-2/source/Cargo.toml [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2216f9a73f7ee10500883d87623d9b9fef758dcfa3c5e5fe33427e07290309f7 [INFO] running `"docker" "start" "-a" "2216f9a73f7ee10500883d87623d9b9fef758dcfa3c5e5fe33427e07290309f7"` [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 aho-corasick v0.5.3 [INFO] [stderr] Compiling thread_local v0.2.7 [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 env_logger v0.3.5 [INFO] [stderr] Compiling docopt v0.6.86 [INFO] [stderr] warning[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/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/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `picotcp-sys v0.2.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/picotcp-sys-7a1140a12faea61e/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:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f9ed545454 - backtrace::backtrace::libunwind::trace::he281d1430a66d201 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f9ed545454 - backtrace::backtrace::trace_unsynchronized::h102bb4b69987d605 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f9ed545454 - std::sys_common::backtrace::_print_fmt::h7c2f159f268a4f8c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55f9ed545454 - ::fmt::h54378f2ca7d450f4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55f9ed56569c - core::fmt::write::ha0a3ecae75b0dbc8 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55f9ed5420d7 - std::io::Write::write_fmt::ha1cf046f2b915c3e [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55f9ed547915 - std::sys_common::backtrace::_print::ha9aa7e33ae167e9f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55f9ed547915 - std::sys_common::backtrace::print::h0f26745f782cf831 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55f9ed547915 - std::panicking::default_hook::{{closure}}::h9ac03e59053b82f0 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55f9ed547606 - std::panicking::default_hook::h2bc2c167050e786d [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55f9ed547fb5 - std::panicking::rust_panic_with_hook::h8403eca5575e8757 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55f9ed547b52 - std::panicking::continue_panic_fmt::h59d06952784da242 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55f9ed547a46 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x55f9ed562b7a - core::panicking::panic_fmt::ha0012b4b46a86c25 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55f9ed562c77 - core::result::unwrap_failed::h68b5899a90c39e73 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55f9ece76248 - core::result::Result::expect::h73583f789454c0dd [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libcore/result.rs:960 [INFO] [stderr] 16: 0x55f9ece75c99 - build_script_build::main::h19df88f97981fdc6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:74 [INFO] [stderr] 17: 0x55f9ece781b0 - std::rt::lang_start::{{closure}}::h4af469fe28da9b45 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55f9ed5479e3 - std::rt::lang_start_internal::{{closure}}::hb4c6339b185f201f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55f9ed5479e3 - std::panicking::try::do_call::h467065f75f458473 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x55f9ed54e5fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55f9ed5484ad - std::panicking::try::h67ed39ee2076b60d [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x55f9ed5484ad - std::panic::catch_unwind::h1dd211c39ef1a928 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55f9ed5484ad - std::rt::lang_start_internal::h66991f896511b48c [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55f9ece78189 - std::rt::lang_start::h3d4324e9912d7ec1 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55f9ece7607a - main [INFO] [stderr] 26: 0x7fa9bbfb1b97 - __libc_start_main [INFO] [stderr] 27: 0x55f9ece7495a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "2216f9a73f7ee10500883d87623d9b9fef758dcfa3c5e5fe33427e07290309f7"` [INFO] running `"docker" "rm" "-f" "2216f9a73f7ee10500883d87623d9b9fef758dcfa3c5e5fe33427e07290309f7"` [INFO] [stdout] 2216f9a73f7ee10500883d87623d9b9fef758dcfa3c5e5fe33427e07290309f7