[INFO] cloning repository Scetch/mcping [INFO] running `"git" "clone" "--bare" "git://github.com/Scetch/mcping.git" "work/cache/sources/gh/Scetch/mcping"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Scetch/mcping'... [INFO] running `"git" "clone" "work/cache/sources/gh/Scetch/mcping" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Scetch/mcping"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Scetch/mcping'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Scetch/mcping" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Scetch/mcping"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Scetch/mcping'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d2aa11dcfea8480b9a542e5f25d6d4ef518bdfba [INFO] sha for GitHub repo Scetch/mcping: d2aa11dcfea8480b9a542e5f25d6d4ef518bdfba [INFO] validating manifest of Scetch/mcping 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 Scetch/mcping 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 Scetch/mcping [INFO] finished frobbing Scetch/mcping [INFO] frobbed toml for Scetch/mcping written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Scetch/mcping/Cargo.toml [INFO] started frobbing Scetch/mcping [INFO] finished frobbing Scetch/mcping [INFO] frobbed toml for Scetch/mcping written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Scetch/mcping/Cargo.toml [INFO] crate Scetch/mcping 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] Downloading crates ... [INFO] [stderr] Downloaded dns-lookup v0.9.0 [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 Scetch/mcping against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Scetch/mcping:/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] d9fd181414f238e67ddffc09b4cfb34bde04cf5f52b1ba55cb192a893b64322c [INFO] running `"docker" "start" "-a" "d9fd181414f238e67ddffc09b4cfb34bde04cf5f52b1ba55cb192a893b64322c"` [INFO] [stderr] Checking dns-lookup v0.9.0 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking evzht9h3nznqzwl v0.0.3 [INFO] [stderr] Checking hyper-native-tls v0.2.4 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-8ff87136a18cb46d/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: 0x561d0884747b - 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: 0x561d0884747b - 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: 0x561d0884747b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x561d0884747b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x561d0884747b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x561d08847157 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x561d08847b40 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x561d088476c2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x561d088475a6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x561d0885c2ad - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x561d08837038 - core::result::unwrap_failed::h9c5e8a73f85efcb3 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x561d0880764c - core::result::Result::unwrap::h86c85db5f50d3fd7 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x561d0880a845 - build_script_gen_mime_types::main::h03c2d03768861a73 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x561d08830fa0 - std::rt::lang_start::{{closure}}::h44c26cdb34a74ff9 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x561d08847593 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x561d08847593 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x561d088494da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x561d0884804d - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x561d0884804d - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x561d0884804d - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x561d08830f79 - std::rt::lang_start::h798faa465a791089 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x561d0880be7a - main [INFO] [stderr] 22: 0x7fbab9a532e1 - __libc_start_main [INFO] [stderr] 23: 0x561d087e62ba - _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" "d9fd181414f238e67ddffc09b4cfb34bde04cf5f52b1ba55cb192a893b64322c"` [INFO] running `"docker" "rm" "-f" "d9fd181414f238e67ddffc09b4cfb34bde04cf5f52b1ba55cb192a893b64322c"` [INFO] [stdout] d9fd181414f238e67ddffc09b4cfb34bde04cf5f52b1ba55cb192a893b64322c