[INFO] updating cached repository the-lobster/liter2 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/the-lobster/liter2 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/beta-1.38-1/sources/1.37.0/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] sha for GitHub repo the-lobster/liter2: 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] validating manifest of the-lobster/liter2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of the-lobster/liter2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/the-lobster/liter2/Cargo.toml [INFO] started frobbing the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the-lobster/liter2/Cargo.toml [INFO] crate the-lobster/liter2 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing the-lobster/liter2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/the-lobster/liter2:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 271731e3a0eb2bc5ed6c2887deffac37945f7727f810f59262b4c49cc30787bd [INFO] running `"docker" "start" "-a" "271731e3a0eb2bc5ed6c2887deffac37945f7727f810f59262b4c49cc30787bd"` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling smallvec v0.1.8 [INFO] [stderr] Compiling ego-tree v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Compiling bzip2-sys v0.1.6 [INFO] [stderr] Compiling miniz_oxide_c_api v0.1.2 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling miniz_oxide v0.1.2 [INFO] [stderr] Compiling utf-8 v0.6.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling msdos_time v0.1.5 [INFO] [stderr] Compiling quickersort v2.2.0 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling uuid v0.3.1 [INFO] [stderr] Compiling mustache v0.8.2 [INFO] [stderr] Compiling futf v0.1.3 [INFO] [stderr] Compiling cssparser v0.5.8 [INFO] [stderr] Compiling structopt v0.1.7 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling remove_dir_all v0.3.0 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling serde_urlencoded v0.5.1 [INFO] [stderr] Compiling tendril v0.2.4 [INFO] [stderr] Compiling error-chain v0.7.2 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling tempdir v0.3.6 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Compiling bzip2 v0.3.2 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling flate2 v1.0.1 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-2ddad4c43a86521f/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: 0x55bfed7cbeab - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55bfed7cbeab - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55bfed7cbeab - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55bfed7cbeab - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55bfed7cbeab - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55bfed7cbb87 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55bfed7cc570 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55bfed7cc0f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55bfed7cbfd6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55bfed7e0b8d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55bfed7bc3b8 - core::result::unwrap_failed::hf67efe75480b0521 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55bfed78c96c - core::result::Result::unwrap::h574e630323e57bb0 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55bfed78fa85 - build_script_gen_mime_types::main::h027defe0d2791ee5 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55bfed7b61e0 - std::rt::lang_start::{{closure}}::hd5bb677ae20c875c [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55bfed7cbfc3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55bfed7cbfc3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55bfed7cdd6a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55bfed7cca7d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55bfed7cca7d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55bfed7cca7d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55bfed7b61b9 - std::rt::lang_start::hdb9fbc1568b83e0a [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55bfed7910ba - main [INFO] [stderr] 22: 0x7f94a2a8c2e1 - __libc_start_main [INFO] [stderr] 23: 0x55bfed76b4fa - _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" "271731e3a0eb2bc5ed6c2887deffac37945f7727f810f59262b4c49cc30787bd"` [INFO] running `"docker" "rm" "-f" "271731e3a0eb2bc5ed6c2887deffac37945f7727f810f59262b4c49cc30787bd"` [INFO] [stdout] 271731e3a0eb2bc5ed6c2887deffac37945f7727f810f59262b4c49cc30787bd