[INFO] cloning repository yd-dhahn/rust-crm-sync [INFO] running `"git" "clone" "--bare" "git://github.com/yd-dhahn/rust-crm-sync.git" "work/cache/sources/gh/yd-dhahn/rust-crm-sync"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yd-dhahn/rust-crm-sync'... [INFO] running `"git" "clone" "work/cache/sources/gh/yd-dhahn/rust-crm-sync" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/yd-dhahn/rust-crm-sync"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/yd-dhahn/rust-crm-sync'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yd-dhahn/rust-crm-sync" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/yd-dhahn/rust-crm-sync"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/yd-dhahn/rust-crm-sync'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dedcf26162a4c2c7567d2b5b5b401d1898a89739 [INFO] sha for GitHub repo yd-dhahn/rust-crm-sync: dedcf26162a4c2c7567d2b5b5b401d1898a89739 [INFO] validating manifest of yd-dhahn/rust-crm-sync 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 yd-dhahn/rust-crm-sync 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 yd-dhahn/rust-crm-sync [INFO] finished frobbing yd-dhahn/rust-crm-sync [INFO] frobbed toml for yd-dhahn/rust-crm-sync written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/yd-dhahn/rust-crm-sync/Cargo.toml [INFO] started frobbing yd-dhahn/rust-crm-sync [INFO] finished frobbing yd-dhahn/rust-crm-sync [INFO] frobbed toml for yd-dhahn/rust-crm-sync written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/yd-dhahn/rust-crm-sync/Cargo.toml [INFO] crate yd-dhahn/rust-crm-sync 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded md5 v0.3.7 [INFO] [stderr] Downloaded reqwest v0.8.4 [INFO] [stderr] Downloaded openssl-sys v0.9.25 [INFO] [stderr] Downloaded postgres-shared v0.4.1 [INFO] [stderr] Downloaded r2d2_postgres v0.13.0 [INFO] [stderr] Downloaded hyper v0.11.18 [INFO] [stderr] Downloaded socket2 v0.3.1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking yd-dhahn/rust-crm-sync against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/yd-dhahn/rust-crm-sync:/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] 877faeb4558d313eea5fdc7cd8fa4593a6bc72e4dd68a06656926797375b3959 [INFO] running `"docker" "start" "-a" "877faeb4558d313eea5fdc7cd8fa4593a6bc72e4dd68a06656926797375b3959"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Checking arrayref v0.3.4 [INFO] [stderr] Checking fallible-iterator v0.1.4 [INFO] [stderr] Checking md5 v0.3.7 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking socket2 v0.3.1 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking scheduled-thread-pool v0.1.0 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking r2d2 v0.7.4 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking hyper v0.11.18 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-61d0bbbfa523ec76/build-script-gen_mime_types` (exit code: 101) [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: 0x55e588aa747b - 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: 0x55e588aa747b - 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: 0x55e588aa747b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55e588aa747b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55e588aa747b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55e588aa7157 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55e588aa7b40 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55e588aa76c2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55e588aa75a6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55e588abc2ad - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55e588a97038 - core::result::unwrap_failed::h9c5e8a73f85efcb3 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55e588a6772c - core::result::Result::unwrap::hf93cbe42f4e6ca5e [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55e588a6a845 - build_script_gen_mime_types::main::h5b45ade89b7d9a29 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55e588a90fa0 - std::rt::lang_start::{{closure}}::h40d3f240e482535d [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55e588aa7593 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55e588aa7593 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55e588aa94da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55e588aa804d - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55e588aa804d - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55e588aa804d - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55e588a90f79 - std::rt::lang_start::h88b71ce8bb460a42 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55e588a6be7a - main [INFO] [stderr] 22: 0x7f5a1b0992e1 - __libc_start_main [INFO] [stderr] 23: 0x55e588a462ba - _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-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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" "877faeb4558d313eea5fdc7cd8fa4593a6bc72e4dd68a06656926797375b3959"` [INFO] running `"docker" "rm" "-f" "877faeb4558d313eea5fdc7cd8fa4593a6bc72e4dd68a06656926797375b3959"` [INFO] [stdout] 877faeb4558d313eea5fdc7cd8fa4593a6bc72e4dd68a06656926797375b3959