[INFO] cloning repository vnermolaev/acmatrix [INFO] running `"git" "clone" "--bare" "git://github.com/vnermolaev/acmatrix.git" "work/cache/sources/gh/vnermolaev/acmatrix"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/vnermolaev/acmatrix'... [INFO] running `"git" "clone" "work/cache/sources/gh/vnermolaev/acmatrix" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/vnermolaev/acmatrix"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/vnermolaev/acmatrix'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/vnermolaev/acmatrix" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/vnermolaev/acmatrix"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/vnermolaev/acmatrix'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a7207c35eda15d7bbba1ae8df90805f02d12977a [INFO] sha for GitHub repo vnermolaev/acmatrix: a7207c35eda15d7bbba1ae8df90805f02d12977a [INFO] validating manifest of vnermolaev/acmatrix on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vnermolaev/acmatrix on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing vnermolaev/acmatrix [INFO] finished frobbing vnermolaev/acmatrix [INFO] frobbed toml for vnermolaev/acmatrix written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/vnermolaev/acmatrix/Cargo.toml [INFO] started frobbing vnermolaev/acmatrix [INFO] finished frobbing vnermolaev/acmatrix [INFO] frobbed toml for vnermolaev/acmatrix written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/vnermolaev/acmatrix/Cargo.toml [INFO] crate vnermolaev/acmatrix already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded headers v0.1.0 [INFO] [stderr] Downloaded exonum v0.2.0 [INFO] [stderr] Downloaded tar v0.4.13 [INFO] [stderr] Downloaded colored v1.5.2 [INFO] [stderr] Downloaded exonum_leveldb v0.9.1 [INFO] [stderr] Downloaded unwrap v1.1.0 [INFO] [stderr] Downloaded exonum_libsodium-sys v0.0.14 [INFO] [stderr] Downloaded exonum_profiler v0.1.1 [INFO] [stderr] Downloaded exonum_sodiumoxide v0.0.14 [INFO] [stderr] Downloaded leveldb-sys v2.0.1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking vnermolaev/acmatrix against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/vnermolaev/acmatrix:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2bf096b1eb0db0443b6197094483104bd387406c7bdd348f38ae09e24290a045 [INFO] running `"docker" "start" "-a" "2bf096b1eb0db0443b6197094483104bd387406c7bdd348f38ae09e24290a045"` [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling podio v0.1.5 [INFO] [stderr] Compiling unwrap v1.1.0 [INFO] [stderr] Compiling leveldb-sys v2.0.1 [INFO] [stderr] Checking itoa v0.3.3 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking headers v0.1.0 [INFO] [stderr] Checking hex v0.2.0 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking colored v1.5.2 [INFO] [stderr] Checking exonum_profiler v0.1.1 [INFO] [stderr] Checking num-complex v0.1.40 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking serde_json v1.0.2 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking cookie v0.9.1 [INFO] [stderr] Checking textwrap v0.7.0 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling xattr v0.1.11 [INFO] [stderr] Compiling filetime v0.1.10 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] error: failed to run custom build command for `leveldb-sys v2.0.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/leveldb-sys-8f5e8b17ffb2b235/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] [build] Started [INFO] [stderr] [build] Patching the `build_detect_platform` template [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56477271f02b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56477271f02b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56477271f02b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56477271f02b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56477271f02b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x56477271ed07 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x56477271f6f0 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x56477271f272 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x56477271f156 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5647727394ad - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5647726f1a4f - core::result::unwrap_failed::h4db6d3e0487efe94 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x5647726f36a8 - core::result::Result::unwrap::h4313a63b9bb2e4c0 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x5647727085f4 - build_script_build::main::hdb6a935c121671df [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:161 [INFO] [stderr] 13: 0x56477270ca30 - std::rt::lang_start::{{closure}}::hd3ff78da5242b4d4 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x56477271f143 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x56477271f143 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x56477272664a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x56477271fbfd - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x56477271fbfd - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x56477271fbfd - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x56477270ca09 - std::rt::lang_start::hb8fbba408eb2bbbe [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56477270905a - main [INFO] [stderr] 22: 0x7fb48a1712e1 - __libc_start_main [INFO] [stderr] 23: 0x5647726e34fa - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [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] error: build failed [INFO] running `"docker" "inspect" "2bf096b1eb0db0443b6197094483104bd387406c7bdd348f38ae09e24290a045"` [INFO] running `"docker" "rm" "-f" "2bf096b1eb0db0443b6197094483104bd387406c7bdd348f38ae09e24290a045"` [INFO] [stdout] 2bf096b1eb0db0443b6197094483104bd387406c7bdd348f38ae09e24290a045