[INFO] updating cached repository stpettersens/robots [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/stpettersens/robots [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/stpettersens/robots" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/stpettersens/robots"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/stpettersens/robots'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stpettersens/robots" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/stpettersens/robots"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/stpettersens/robots'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f79ff17cc5fc7a64a1578f572bed5f4a1ffecb85 [INFO] sha for GitHub repo stpettersens/robots: f79ff17cc5fc7a64a1578f572bed5f4a1ffecb85 [INFO] validating manifest of stpettersens/robots on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stpettersens/robots on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing stpettersens/robots [INFO] finished frobbing stpettersens/robots [INFO] frobbed toml for stpettersens/robots written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/stpettersens/robots/Cargo.toml [INFO] started frobbing stpettersens/robots [INFO] finished frobbing stpettersens/robots [INFO] frobbed toml for stpettersens/robots written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/stpettersens/robots/Cargo.toml [INFO] crate stpettersens/robots already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking stpettersens/robots against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/stpettersens/robots:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cbeae1648e0145fc6fd99c84660bd6631c02461b748f3500419bacfdc88d0ffe [INFO] running `"docker" "start" "-a" "cbeae1648e0145fc6fd99c84660bd6631c02461b748f3500419bacfdc88d0ffe"` [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Compiling sqlite3-src v0.2.7 [INFO] [stderr] Checking num-complex v0.1.39 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking iron v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking sqlite3-sys v0.12.0 [INFO] [stderr] Checking persistent v0.3.0 [INFO] [stderr] Checking sqlite v0.23.4 [INFO] [stderr] Checking bodyparser v0.5.0 [INFO] [stderr] Checking urlencoded v0.5.0 [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-37ca98fed4e06c20/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: 0x55a7d5591c8b - backtrace::backtrace::libunwind::trace::hc5a758871b6ebf05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55a7d5591c8b - backtrace::backtrace::trace_unsynchronized::hdad9729cc53c45f3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a7d5591c8b - std::sys_common::backtrace::_print::hccf66646430a9cbc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a7d5591c8b - std::sys_common::backtrace::print::h6c902507aa1c61bf [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a7d5591c8b - std::panicking::default_hook::{{closure}}::hc0c79151a0a4b58f [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55a7d5591967 - std::panicking::default_hook::hfd408bb664bf319a [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55a7d5592350 - std::panicking::rust_panic_with_hook::hb2d4371b6afbe17a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55a7d5591ed2 - std::panicking::continue_panic_fmt::h6eef1f2d6e3abc2b [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55a7d5591db6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55a7d55a6abd - core::panicking::panic_fmt::h9f3781beea83a294 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55a7d5585048 - core::result::unwrap_failed::hf5844099c7abe5a5 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55a7d555214c - core::result::Result::unwrap::he1e16769667281e3 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55a7d5555265 - build_script_gen_mime_types::main::hb7e0352601a66621 [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: 0x55a7d557ba40 - std::rt::lang_start::{{closure}}::hfa3427569cc3bcbb [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55a7d5591da3 - std::rt::lang_start_internal::{{closure}}::h86569d7197572496 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55a7d5591da3 - std::panicking::try::do_call::hc05ef3c0bbb0a2c9 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55a7d5593cea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55a7d559285d - std::panicking::try::h5f7f6728fc93999f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55a7d559285d - std::panic::catch_unwind::h9120cbd852b844f2 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55a7d559285d - std::rt::lang_start_internal::h20e51e71516fa081 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55a7d557ba19 - std::rt::lang_start::h4356476a1d079ab4 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55a7d555689a - main [INFO] [stderr] 22: 0x7f7d781232e1 - __libc_start_main [INFO] [stderr] 23: 0x55a7d5530c9a - _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" "cbeae1648e0145fc6fd99c84660bd6631c02461b748f3500419bacfdc88d0ffe"` [INFO] running `"docker" "rm" "-f" "cbeae1648e0145fc6fd99c84660bd6631c02461b748f3500419bacfdc88d0ffe"` [INFO] [stdout] cbeae1648e0145fc6fd99c84660bd6631c02461b748f3500419bacfdc88d0ffe