[INFO] updating cached repository jonhoo/forbes-slack [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jonhoo/forbes-slack [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/forbes-slack" "work/ex/beta-1.38-1/sources/1.37.0/gh/jonhoo/forbes-slack"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jonhoo/forbes-slack'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/forbes-slack" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonhoo/forbes-slack"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonhoo/forbes-slack'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8accd5b1bd980e01b9cb740b0a231aefb166249c [INFO] sha for GitHub repo jonhoo/forbes-slack: 8accd5b1bd980e01b9cb740b0a231aefb166249c [INFO] validating manifest of jonhoo/forbes-slack 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 jonhoo/forbes-slack 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 jonhoo/forbes-slack [INFO] finished frobbing jonhoo/forbes-slack [INFO] frobbed toml for jonhoo/forbes-slack written to work/ex/beta-1.38-1/sources/1.37.0/gh/jonhoo/forbes-slack/Cargo.toml [INFO] started frobbing jonhoo/forbes-slack [INFO] finished frobbing jonhoo/forbes-slack [INFO] frobbed toml for jonhoo/forbes-slack written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonhoo/forbes-slack/Cargo.toml [INFO] crate jonhoo/forbes-slack 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 jonhoo/forbes-slack 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jonhoo/forbes-slack:/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] f102c278087debb716b9838fd17aa597131a3f38f0f5727417dfa415d025951c [INFO] running `"docker" "start" "-a" "f102c278087debb716b9838fd17aa597131a3f38f0f5727417dfa415d025951c"` [INFO] [stderr] Compiling openssl v0.9.21 [INFO] [stderr] Compiling foreign-types-shared v0.1.0 [INFO] [stderr] Compiling serde v1.0.21 [INFO] [stderr] Compiling openssl-sys v0.9.21 [INFO] [stderr] Compiling crc v1.6.0 [INFO] [stderr] Compiling utf-8 v0.7.1 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling foreign-types v0.2.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling hyper v0.11.7 [INFO] [stderr] Compiling tendril v0.3.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling libflate v0.1.12 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.3.2 [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-5a203da96fe6a4f2/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: 0x55cb0841339b - 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: 0x55cb0841339b - 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: 0x55cb0841339b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55cb0841339b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55cb0841339b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55cb08413077 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55cb08413a60 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55cb084135e2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55cb084134c6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55cb0842807d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55cb08405d68 - core::result::unwrap_failed::hc68f0a894325e34f [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55cb083d349c - core::result::Result::unwrap::hd522b919b0a633cc [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55cb083d6695 - build_script_gen_mime_types::main::hcfefae83bbbf34d4 [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: 0x55cb083fce70 - std::rt::lang_start::{{closure}}::hb02da85a78fd04f6 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55cb084134b3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55cb084134b3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55cb0841525a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55cb08413f6d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55cb08413f6d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55cb08413f6d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55cb083fce49 - std::rt::lang_start::h925aefda0093e250 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55cb083d7cca - main [INFO] [stderr] 22: 0x7fc03812f2e1 - __libc_start_main [INFO] [stderr] 23: 0x55cb083b20ea - _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" "f102c278087debb716b9838fd17aa597131a3f38f0f5727417dfa415d025951c"` [INFO] running `"docker" "rm" "-f" "f102c278087debb716b9838fd17aa597131a3f38f0f5727417dfa415d025951c"` [INFO] [stdout] f102c278087debb716b9838fd17aa597131a3f38f0f5727417dfa415d025951c