[INFO] crate picotcp-sys 0.2.1 is already in cache [INFO] testing picotcp-sys-0.2.1 against 1.38.0 for beta-1.39-1 [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 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] bc350f920bf382bee6b4c15dfd42ff9458d6524b41d6bae709a3d70f4da4ce59 [INFO] running `"docker" "start" "-a" "bc350f920bf382bee6b4c15dfd42ff9458d6524b41d6bae709a3d70f4da4ce59"` [INFO] [stderr] Compiling bitflags v0.5.0 [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/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-11eeff2ca330d6a6/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556c9f3d542b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x556c9f3d542b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556c9f3d542b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x556c9f3d542b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x556c9f3d542b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x556c9f3d5106 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x556c9f3d5b3d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x556c9f3d56c2 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x556c9f3d55a6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x556c9f3f0a8d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x556c9f3f0b87 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x556c9ed1b018 - core::result::Result::expect::h5bca06a0c00da411 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:879 [INFO] [stderr] 12: 0x556c9ed16239 - build_script_build::main::h72c432e2db9277b2 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:74 [INFO] [stderr] 13: 0x556c9ed18960 - std::rt::lang_start::{{closure}}::h5bdd37fb4de5bbb4 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x556c9f3d5543 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x556c9f3d5543 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x556c9f3dc1fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x556c9f3d604d - std::panicking::try::hc046e7ee42ee744f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x556c9f3d604d - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x556c9f3d604d - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x556c9ed18939 - std::rt::lang_start::hd0bd4e76124eee26 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x556c9ed1661a - main [INFO] [stderr] 22: 0x7f55934acb97 - __libc_start_main [INFO] [stderr] 23: 0x556c9ed1016a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "bc350f920bf382bee6b4c15dfd42ff9458d6524b41d6bae709a3d70f4da4ce59"` [INFO] running `"docker" "rm" "-f" "bc350f920bf382bee6b4c15dfd42ff9458d6524b41d6bae709a3d70f4da4ce59"` [INFO] [stdout] bc350f920bf382bee6b4c15dfd42ff9458d6524b41d6bae709a3d70f4da4ce59