[INFO] crate picotcp-sys 0.2.1 is already in cache [INFO] extracting crate picotcp-sys 0.2.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/picotcp-sys/0.2.1 [INFO] extracting crate picotcp-sys 0.2.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/picotcp-sys/0.2.1 [INFO] validating manifest of picotcp-sys-0.2.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of picotcp-sys-0.2.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/picotcp-sys/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking picotcp-sys-0.2.1 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a9b5eecebb4d79165d3ceb8d565691fed74239baea638d70f0a31c34d64077de [INFO] running `"docker" "start" "-a" "a9b5eecebb4d79165d3ceb8d565691fed74239baea638d70f0a31c34d64077de"` [INFO] [stderr] Compiling strsim v0.5.2 [INFO] [stderr] Compiling clang-sys v0.11.1 [INFO] [stderr] Compiling syntex_pos v0.38.0 [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/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-3a5b07b43644aa4f/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: 0x56342cc885bb - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56342cc885bb - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56342cc885bb - std::sys_common::backtrace::_print::h6bdd5779472ab8c6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56342cc885bb - std::sys_common::backtrace::print::h535418cbcfd3b064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56342cc885bb - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x56342cc88296 - std::panicking::default_hook::h39b428958abf2606 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x56342cc88ccd - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x56342cc88852 - std::panicking::continue_panic_fmt::h499883e21d98c9ea [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x56342cc88736 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x56342cca3c0d - core::panicking::panic_fmt::hf925eb7f761dd347 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x56342cca3d07 - core::result::unwrap_failed::hb295cb62d0c5f00c [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x56342c5d3678 - core::result::Result::expect::h44ebc1861f34ba16 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/result.rs:879 [INFO] [stderr] 12: 0x56342c5ce879 - build_script_build::main::h0a680195e80c410d [INFO] [stderr] at /opt/crater/workdir/build.rs:74 [INFO] [stderr] 13: 0x56342c5d0fa0 - std::rt::lang_start::{{closure}}::h83c4989049e1d90a [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x56342cc886d3 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x56342cc886d3 - std::panicking::try::do_call::h23b1282500223f6a [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x56342cc8f4ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x56342cc891dd - std::panicking::try::hf851d9cd2a46569f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x56342cc891dd - std::panic::catch_unwind::h38ad47fd47b8a319 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x56342cc891dd - std::rt::lang_start_internal::h8489a7c3e11328c4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x56342c5d0f79 - std::rt::lang_start::h928a4706d1c56c0f [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56342c5cec5a - main [INFO] [stderr] 22: 0x7f4ccb9d82e1 - __libc_start_main [INFO] [stderr] 23: 0x56342c5c878a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "a9b5eecebb4d79165d3ceb8d565691fed74239baea638d70f0a31c34d64077de"` [INFO] running `"docker" "rm" "-f" "a9b5eecebb4d79165d3ceb8d565691fed74239baea638d70f0a31c34d64077de"` [INFO] [stdout] a9b5eecebb4d79165d3ceb8d565691fed74239baea638d70f0a31c34d64077de