[INFO] updating cached repository yd-dhahn/rust-crm-sync [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/yd-dhahn/rust-crm-sync [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/yd-dhahn/rust-crm-sync" "work/ex/beta-1.38-1/sources/1.37.0/gh/yd-dhahn/rust-crm-sync"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yd-dhahn/rust-crm-sync'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yd-dhahn/rust-crm-sync" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yd-dhahn/rust-crm-sync"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of yd-dhahn/rust-crm-sync on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing yd-dhahn/rust-crm-sync against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yd-dhahn/rust-crm-sync:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] dad1c03a046c079ee8bcb2a98f988a2a20fb5b5a4177fc44dac6e72a3bfa450e [INFO] running `"docker" "start" "-a" "dad1c03a046c079ee8bcb2a98f988a2a20fb5b5a4177fc44dac6e72a3bfa450e"` [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling arrayref v0.3.4 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling build_const v0.2.0 [INFO] [stderr] Compiling smallvec v0.2.1 [INFO] [stderr] Compiling take v0.1.0 [INFO] [stderr] Compiling md5 v0.3.7 [INFO] [stderr] Compiling httparse v1.2.4 [INFO] [stderr] Compiling adler32 v1.0.2 [INFO] [stderr] Compiling serde v1.0.27 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling socket2 v0.3.1 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.0 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling scheduled-thread-pool v0.1.0 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling stringprep v0.1.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling mio v0.6.13 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [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] Compiling uuid v0.5.1 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling r2d2 v0.7.4 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling libflate v0.1.14 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling digest v0.7.2 [INFO] [stderr] Compiling crypto-mac v0.5.2 [INFO] [stderr] Compiling sha2 v0.7.0 [INFO] [stderr] Compiling hmac v0.5.0 [INFO] [stderr] Compiling postgres-protocol v0.3.2 [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-2ddad4c43a86521f/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: 0x55b29afa5eab - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55b29afa5eab - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b29afa5eab - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55b29afa5eab - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55b29afa5eab - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55b29afa5b87 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55b29afa6570 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55b29afa60f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55b29afa5fd6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55b29afbab8d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55b29af963b8 - core::result::unwrap_failed::hf67efe75480b0521 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55b29af6696c - core::result::Result::unwrap::h574e630323e57bb0 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55b29af69a85 - build_script_gen_mime_types::main::h027defe0d2791ee5 [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: 0x55b29af901e0 - std::rt::lang_start::{{closure}}::hd5bb677ae20c875c [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55b29afa5fc3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55b29afa5fc3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55b29afa7d6a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55b29afa6a7d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55b29afa6a7d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55b29afa6a7d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55b29af901b9 - std::rt::lang_start::hdb9fbc1568b83e0a [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55b29af6b0ba - main [INFO] [stderr] 22: 0x7f25d9e832e1 - __libc_start_main [INFO] [stderr] 23: 0x55b29af454fa - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "dad1c03a046c079ee8bcb2a98f988a2a20fb5b5a4177fc44dac6e72a3bfa450e"` [INFO] running `"docker" "rm" "-f" "dad1c03a046c079ee8bcb2a98f988a2a20fb5b5a4177fc44dac6e72a3bfa450e"` [INFO] [stdout] dad1c03a046c079ee8bcb2a98f988a2a20fb5b5a4177fc44dac6e72a3bfa450e