[INFO] updating cached repository quartz55/discopotty [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/quartz55/discopotty [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/quartz55/discopotty" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/quartz55/discopotty"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/quartz55/discopotty'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/quartz55/discopotty" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/quartz55/discopotty"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/quartz55/discopotty'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 28ba77083a0beb3ea8fd23eec64213c0e5a84e5a [INFO] sha for GitHub repo quartz55/discopotty: 28ba77083a0beb3ea8fd23eec64213c0e5a84e5a [INFO] validating manifest of quartz55/discopotty on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of quartz55/discopotty on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing quartz55/discopotty [INFO] finished frobbing quartz55/discopotty [INFO] frobbed toml for quartz55/discopotty written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/quartz55/discopotty/Cargo.toml [INFO] started frobbing quartz55/discopotty [INFO] finished frobbing quartz55/discopotty [INFO] frobbed toml for quartz55/discopotty written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/quartz55/discopotty/Cargo.toml [INFO] crate quartz55/discopotty already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking quartz55/discopotty against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/quartz55/discopotty:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5feb78c72a8d44e56c021e8365367d42dd805f3b33cd005aadefb4627940109e [INFO] running `"docker" "start" "-a" "5feb78c72a8d44e56c021e8365367d42dd805f3b33cd005aadefb4627940109e"` [INFO] [stderr] Compiling libc v0.2.31 [INFO] [stderr] Compiling cc v1.0.0 [INFO] [stderr] Compiling openssl v0.9.19 [INFO] [stderr] Checking vec_shift v0.1.0 [INFO] [stderr] Compiling opus-sys v0.2.1 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking isatty v0.1.3 [INFO] [stderr] Checking slog-scope v3.0.0 [INFO] [stderr] Compiling libsodium-sys v0.0.14 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking slog-async v2.1.0 [INFO] [stderr] Checking hyper v0.10.13 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking slog-stdlog v2.0.0 [INFO] [stderr] Checking sodiumoxide v0.0.14 [INFO] [stderr] Checking parking_lot_core v0.2.6 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking trackable v0.2.4 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking slog-term v2.2.0 [INFO] [stderr] Checking opus v0.2.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling openssl-sys v0.9.19 [INFO] [stderr] Compiling backtrace-sys v0.1.14 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling mime_guess v1.8.2 [INFO] [stderr] Checking sloggers v0.2.1 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-4bc85c9225207016/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c9b159283b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c9b159283b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c9b159283b - std::sys_common::backtrace::_print::hb0e5dd39180a1838 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c9b159283b - std::sys_common::backtrace::print::h9b385b2285f057b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c9b159283b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55c9b1592516 - std::panicking::default_hook::h2986f418df62eff4 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55c9b1592efd - std::panicking::rust_panic_with_hook::h15065386631d2a9d [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55c9b1592a82 - std::panicking::continue_panic_fmt::h5e7761875fda3864 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55c9b1592966 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55c9b15a769d - core::panicking::panic_fmt::ha57541b4d360b196 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55c9b15a7797 - core::result::unwrap_failed::h30a7262287ea7c1e [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55c9b1559220 - core::result::Result::unwrap::h52388eb6bad818d4 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55c9b155ad45 - build_script_gen_mime_types::main::hf15fb9f66bbd73ab [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55c9b1545d10 - std::rt::lang_start::{{closure}}::h86801ecb8c61b85e [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55c9b1592953 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55c9b1592953 - std::panicking::try::do_call::h7642e0de797eeae0 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55c9b1594a4a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55c9b159340d - std::panicking::try::h17f145530f8b5a3f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55c9b159340d - std::panic::catch_unwind::hcee1b9b07ea0f9dc [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55c9b159340d - std::rt::lang_start_internal::h82d44298f58b2cfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55c9b1545ce9 - std::rt::lang_start::h1edac3449daa07e5 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55c9b155c2ca - main [INFO] [stderr] 22: 0x7f7258db62e1 - __libc_start_main [INFO] [stderr] 23: 0x55c9b153171a - _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" "5feb78c72a8d44e56c021e8365367d42dd805f3b33cd005aadefb4627940109e"` [INFO] running `"docker" "rm" "-f" "5feb78c72a8d44e56c021e8365367d42dd805f3b33cd005aadefb4627940109e"` [INFO] [stdout] 5feb78c72a8d44e56c021e8365367d42dd805f3b33cd005aadefb4627940109e