[INFO] updating cached repository aeyoll/rust-music-folder-rename [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/aeyoll/rust-music-folder-rename [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/aeyoll/rust-music-folder-rename" "work/ex/beta-1.37-6/sources/1.36.0/gh/aeyoll/rust-music-folder-rename"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aeyoll/rust-music-folder-rename'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/aeyoll/rust-music-folder-rename" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aeyoll/rust-music-folder-rename"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aeyoll/rust-music-folder-rename'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 42c8f5e0be538e917dad565cb6dab4070141c9ca [INFO] sha for GitHub repo aeyoll/rust-music-folder-rename: 42c8f5e0be538e917dad565cb6dab4070141c9ca [INFO] validating manifest of aeyoll/rust-music-folder-rename on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of aeyoll/rust-music-folder-rename on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing aeyoll/rust-music-folder-rename [INFO] finished frobbing aeyoll/rust-music-folder-rename [INFO] frobbed toml for aeyoll/rust-music-folder-rename written to work/ex/beta-1.37-6/sources/1.36.0/gh/aeyoll/rust-music-folder-rename/Cargo.toml [INFO] started frobbing aeyoll/rust-music-folder-rename [INFO] finished frobbing aeyoll/rust-music-folder-rename [INFO] frobbed toml for aeyoll/rust-music-folder-rename written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aeyoll/rust-music-folder-rename/Cargo.toml [INFO] crate aeyoll/rust-music-folder-rename already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing aeyoll/rust-music-folder-rename against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aeyoll/rust-music-folder-rename:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] e1220f8cb259b961bb011df9e32adea6824583ded85eca1d197e974cf4ebafe2 [INFO] running `"docker" "start" "-a" "e1220f8cb259b961bb011df9e32adea6824583ded85eca1d197e974cf4ebafe2"` [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Compiling clap v2.19.3 [INFO] [stderr] Compiling phf_shared v0.7.20 [INFO] [stderr] Compiling phf v0.7.20 [INFO] [stderr] Compiling flate2 v0.2.14 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Compiling phf_codegen v0.7.20 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling id3 v0.1.11 [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-2c70db49fadf1094/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: 0x559e8565c15b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x559e8565c15b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x559e8565c15b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x559e8565c15b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x559e8565c15b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x559e8565be37 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x559e8565c820 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x559e8565c3a2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x559e8565c286 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x559e85670e3d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x559e8564f308 - core::result::unwrap_failed::h0ca18bf9dc587260 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x559e8561c9dc - core::result::Result::unwrap::hfe050b6c6d4c1110 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x559e8561fae5 - build_script_gen_mime_types::main::heec5cc5780930581 [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: 0x559e85646350 - std::rt::lang_start::{{closure}}::h8f43b4c37b22895e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x559e8565c273 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x559e8565c273 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x559e8565e01a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x559e8565cd2d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x559e8565cd2d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x559e8565cd2d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x559e85646329 - std::rt::lang_start::ha4ec69ca09c18cac [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x559e8562111a - main [INFO] [stderr] 22: 0x7fba26bcb2e1 - __libc_start_main [INFO] [stderr] 23: 0x559e855fb52a - _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" "e1220f8cb259b961bb011df9e32adea6824583ded85eca1d197e974cf4ebafe2"` [INFO] running `"docker" "rm" "-f" "e1220f8cb259b961bb011df9e32adea6824583ded85eca1d197e974cf4ebafe2"` [INFO] [stdout] e1220f8cb259b961bb011df9e32adea6824583ded85eca1d197e974cf4ebafe2