[INFO] cloning repository kkartaltepe/rust-image-host [INFO] running `"git" "clone" "--bare" "git://github.com/kkartaltepe/rust-image-host.git" "work/cache/sources/gh/kkartaltepe/rust-image-host"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kkartaltepe/rust-image-host'... [INFO] running `"git" "clone" "work/cache/sources/gh/kkartaltepe/rust-image-host" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/kkartaltepe/rust-image-host"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/kkartaltepe/rust-image-host'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kkartaltepe/rust-image-host" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/kkartaltepe/rust-image-host"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/kkartaltepe/rust-image-host'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6e907429fa0e7f163fb332e8b8b0383565ab825b [INFO] sha for GitHub repo kkartaltepe/rust-image-host: 6e907429fa0e7f163fb332e8b8b0383565ab825b [INFO] validating manifest of kkartaltepe/rust-image-host on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kkartaltepe/rust-image-host on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kkartaltepe/rust-image-host [INFO] finished frobbing kkartaltepe/rust-image-host [INFO] frobbed toml for kkartaltepe/rust-image-host written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/kkartaltepe/rust-image-host/Cargo.toml [INFO] started frobbing kkartaltepe/rust-image-host [INFO] finished frobbing kkartaltepe/rust-image-host [INFO] frobbed toml for kkartaltepe/rust-image-host written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/kkartaltepe/rust-image-host/Cargo.toml [INFO] crate kkartaltepe/rust-image-host already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded liquid v0.9.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking kkartaltepe/rust-image-host against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/kkartaltepe/rust-image-host:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 92a772cbe9701ef88a8d78b260bc7ae78241981c73641169f440eb845d8cf04f [INFO] running `"docker" "start" "-a" "92a772cbe9701ef88a8d78b260bc7ae78241981c73641169f440eb845d8cf04f"` [INFO] [stderr] Compiling image-host v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling openssl-sys-extras v0.7.14 [INFO] [stderr] Compiling openssl v0.7.14 [INFO] [stderr] Checking serde_json v0.8.4 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Checking openssl-sys v0.7.17 [INFO] [stderr] Checking url v1.2.4 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-a1572d9c7b5f0f08/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: 0x55f03787390b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f03787390b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f03787390b - std::sys_common::backtrace::_print::h878d975ca669e1b4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f03787390b - std::sys_common::backtrace::print::h1b2f6b4885b021f3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f03787390b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55f03787360c - std::panicking::default_hook::h9b73316e8577c3fa [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55f037873fd0 - std::panicking::rust_panic_with_hook::he062866264d328c5 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55f037873b52 - std::panicking::continue_panic_fmt::hd91e15ffe4fde332 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55f037873a36 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x55f037888b7d - core::panicking::panic_fmt::h684eb94a03e3ec1d [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55f037866fe8 - core::result::unwrap_failed::h0059ee1b2968badc [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55f0378336fc - core::result::Result::unwrap::hea512c7dd0ca4650 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55f03783a745 - build_script_gen_mime_types::main::hf110844b1dd53efe [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55f0378563f0 - std::rt::lang_start::{{closure}}::hb069de41f798ccd2 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55f037873a23 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55f037873a23 - std::panicking::try::do_call::h0bdfdef338a7b8de [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x55f037875dca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55f0378744dd - std::panicking::try::h5986cc11523af350 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x55f0378744dd - std::panic::catch_unwind::h5e6e2d11127cecca [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55f0378744dd - std::rt::lang_start_internal::hd1ad303a81183dc4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55f0378563c9 - std::rt::lang_start::h087cf56f447360f9 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55f03783bd8a - main [INFO] [stderr] 22: 0x7f54a1b242e1 - __libc_start_main [INFO] [stderr] 23: 0x55f03781383a - _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-1.2.4/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | 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" "92a772cbe9701ef88a8d78b260bc7ae78241981c73641169f440eb845d8cf04f"` [INFO] running `"docker" "rm" "-f" "92a772cbe9701ef88a8d78b260bc7ae78241981c73641169f440eb845d8cf04f"` [INFO] [stdout] 92a772cbe9701ef88a8d78b260bc7ae78241981c73641169f440eb845d8cf04f