[INFO] cloning repository BharatKalluri/WallSplash [INFO] running `"git" "clone" "--bare" "git://github.com/BharatKalluri/WallSplash.git" "work/cache/sources/gh/BharatKalluri/WallSplash"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/BharatKalluri/WallSplash'... [INFO] running `"git" "clone" "work/cache/sources/gh/BharatKalluri/WallSplash" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/BharatKalluri/WallSplash"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/BharatKalluri/WallSplash'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BharatKalluri/WallSplash" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/BharatKalluri/WallSplash"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/BharatKalluri/WallSplash'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b22ccc9d06d7bd8e8547cdab0ebe61232ec58b1d [INFO] sha for GitHub repo BharatKalluri/WallSplash: b22ccc9d06d7bd8e8547cdab0ebe61232ec58b1d [INFO] validating manifest of BharatKalluri/WallSplash 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 BharatKalluri/WallSplash 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 BharatKalluri/WallSplash [INFO] finished frobbing BharatKalluri/WallSplash [INFO] frobbed toml for BharatKalluri/WallSplash written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/BharatKalluri/WallSplash/Cargo.toml [INFO] started frobbing BharatKalluri/WallSplash [INFO] finished frobbing BharatKalluri/WallSplash [INFO] frobbed toml for BharatKalluri/WallSplash written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/BharatKalluri/WallSplash/Cargo.toml [INFO] crate BharatKalluri/WallSplash 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking BharatKalluri/WallSplash against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/BharatKalluri/WallSplash:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 96d19aa4f420f1d7040d7e19ad9ba2217f90ab965d977d32be8bc6a8afce63c0 [INFO] running `"docker" "start" "-a" "96d19aa4f420f1d7040d7e19ad9ba2217f90ab965d977d32be8bc6a8afce63c0"` [INFO] [stderr] Checking serde_json v1.0.8 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Checking serde_urlencoded v0.5.1 [INFO] [stderr] Checking hyper v0.11.8 [INFO] [stderr] Checking tokio-tls v0.1.3 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [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-d239469eb9ff517b/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: 0x5589a36ccfcb - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5589a36ccfcb - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5589a36ccfcb - std::sys_common::backtrace::_print::h2896bece16680b31 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5589a36ccfcb - std::sys_common::backtrace::print::h5f4d4b954705d426 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5589a36ccfcb - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x5589a36ccccc - std::panicking::default_hook::h4b88c02cc00064f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x5589a36cd690 - std::panicking::rust_panic_with_hook::he5596ad1952b7279 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x5589a36cd212 - std::panicking::continue_panic_fmt::h13f3a9aeaf0459c4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x5589a36cd0f6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x5589a36e223d - core::panicking::panic_fmt::h35cf1b39b1635ed5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5589a36c0088 - core::result::unwrap_failed::hdeefcb8330b97bff [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x5589a368bf4c - core::result::Result::unwrap::h52d470807e93ea50 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x5589a3692f95 - build_script_gen_mime_types::main::hecc70406d0caa7ef [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: 0x5589a36aebb0 - std::rt::lang_start::{{closure}}::hf662d93f741d6b41 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5589a36cd0e3 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5589a36cd0e3 - std::panicking::try::do_call::h657ecdd23710c935 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x5589a36cf48a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x5589a36cdb9d - std::panicking::try::h52772d620cb80373 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x5589a36cdb9d - std::panic::catch_unwind::hac02eb84ea8f3a3e [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x5589a36cdb9d - std::rt::lang_start_internal::h9fab34d7c96dfdc9 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5589a36aeb89 - std::rt::lang_start::hb5852765fcd258ea [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5589a36945da - main [INFO] [stderr] 22: 0x7f38f8dc22e1 - __libc_start_main [INFO] [stderr] 23: 0x5589a366c08a - _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" "96d19aa4f420f1d7040d7e19ad9ba2217f90ab965d977d32be8bc6a8afce63c0"` [INFO] running `"docker" "rm" "-f" "96d19aa4f420f1d7040d7e19ad9ba2217f90ab965d977d32be8bc6a8afce63c0"` [INFO] [stdout] 96d19aa4f420f1d7040d7e19ad9ba2217f90ab965d977d32be8bc6a8afce63c0