[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/aeyoll/rust-music-folder-rename"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/aeyoll/rust-music-folder-rename'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/aeyoll/rust-music-folder-rename" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/aeyoll/rust-music-folder-rename"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of aeyoll/rust-music-folder-rename on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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 aeyoll/rust-music-folder-rename against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8f486a46959eef48572389bfe2943fb39049de6088fca72dc27e4f2348617909 [INFO] running `"docker" "start" "-a" "8f486a46959eef48572389bfe2943fb39049de6088fca72dc27e4f2348617909"` [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Checking clap v2.19.3 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Checking phf_shared v0.7.20 [INFO] [stderr] Checking phf v0.7.20 [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] Checking flate2 v0.2.14 [INFO] [stderr] Checking 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-5f654a0ef3168936/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: 0x55d178902a6b - backtrace::backtrace::libunwind::trace::h3a6a6e8afb7ff2de [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55d178902a6b - backtrace::backtrace::trace_unsynchronized::h2220292c79f07c05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d178902a6b - std::sys_common::backtrace::_print::h8ff1c2c5cb3b84f7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55d178902a6b - std::sys_common::backtrace::print::h2254c58d69a73304 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55d178902a6b - std::panicking::default_hook::{{closure}}::hc21cbd062363cef6 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55d178902746 - std::panicking::default_hook::hfea076cda52c2914 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55d17890312d - std::panicking::rust_panic_with_hook::h746830f9f479e849 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55d178902cb2 - std::panicking::continue_panic_fmt::h37fa2235c2440555 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55d178902b96 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55d1789179ed - core::panicking::panic_fmt::hc32305cc7ba59cf9 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55d178917ae7 - core::result::unwrap_failed::h11b2f6982d0c0006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55d1788c99c0 - core::result::Result::unwrap::ha16db2f87f331985 [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55d1788cba65 - build_script_gen_mime_types::main::h118e046d8f4053db [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: 0x55d1788b6cd0 - std::rt::lang_start::{{closure}}::haa1f090ed23fe2e4 [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55d178902b83 - std::rt::lang_start_internal::{{closure}}::h14c5bec2472d54ad [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55d178902b83 - std::panicking::try::do_call::h88f516924fc6a288 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55d178904c7a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55d17890363d - std::panicking::try::ha613ca8bf0a1302a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55d17890363d - std::panic::catch_unwind::h68d4ca98047bc7c5 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55d17890363d - std::rt::lang_start_internal::h600c3ba1b556e68a [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55d1788b6ca9 - std::rt::lang_start::hfbb9fbe1edae5e19 [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55d1788ccfea - main [INFO] [stderr] 22: 0x7f89613552e1 - __libc_start_main [INFO] [stderr] 23: 0x55d1788a26da - _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" "8f486a46959eef48572389bfe2943fb39049de6088fca72dc27e4f2348617909"` [INFO] running `"docker" "rm" "-f" "8f486a46959eef48572389bfe2943fb39049de6088fca72dc27e4f2348617909"` [INFO] [stdout] 8f486a46959eef48572389bfe2943fb39049de6088fca72dc27e4f2348617909