[INFO] updating cached repository hello-marmalade/discord-qdb [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/hello-marmalade/discord-qdb [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/hello-marmalade/discord-qdb" "work/ex/beta-1.37-6/sources/1.36.0/gh/hello-marmalade/discord-qdb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hello-marmalade/discord-qdb'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hello-marmalade/discord-qdb" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hello-marmalade/discord-qdb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hello-marmalade/discord-qdb'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] befc2fc093e221e8346e84a9e20df117c75d7e69 [INFO] sha for GitHub repo hello-marmalade/discord-qdb: befc2fc093e221e8346e84a9e20df117c75d7e69 [INFO] validating manifest of hello-marmalade/discord-qdb 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 hello-marmalade/discord-qdb 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 hello-marmalade/discord-qdb [INFO] finished frobbing hello-marmalade/discord-qdb [INFO] frobbed toml for hello-marmalade/discord-qdb written to work/ex/beta-1.37-6/sources/1.36.0/gh/hello-marmalade/discord-qdb/Cargo.toml [INFO] started frobbing hello-marmalade/discord-qdb [INFO] finished frobbing hello-marmalade/discord-qdb [INFO] frobbed toml for hello-marmalade/discord-qdb written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hello-marmalade/discord-qdb/Cargo.toml [INFO] crate hello-marmalade/discord-qdb 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 hello-marmalade/discord-qdb against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hello-marmalade/discord-qdb:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 342bcfa97279f852cb20762766d716f16d495941280e47a6a0f4a02b7827812a [INFO] running `"docker" "start" "-a" "342bcfa97279f852cb20762766d716f16d495941280e47a6a0f4a02b7827812a"` [INFO] [stderr] Compiling smallvec v0.6.0 [INFO] [stderr] Compiling stable_deref_trait v1.0.0 [INFO] [stderr] Compiling data-encoding v1.2.0 [INFO] [stderr] Compiling bufstream v0.1.3 [INFO] [stderr] Compiling vec_shift v0.1.0 [INFO] [stderr] Compiling separator v0.3.1 [INFO] [stderr] Compiling scan_fmt v0.1.1 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling hostname v0.1.4 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.7.0 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling yaml-rust v0.4.0 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling parking_lot_core v0.2.10 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling native-tls v0.1.4 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-3a219e6de0aae0a1/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: 0x55b745be6773 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55b745be238b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55b745be55e6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55b745be5379 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55b745be5c3f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55b745be57c1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55b745be56a5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55b745bf651c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55b745bd76d7 - core::result::unwrap_failed::h59dc829de5209a3b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55b745ba447a - core::result::Result::unwrap::hce1c5291ad518201 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55b745baf614 - build_script_gen_mime_types::main::h18dfcd5f0ca0d96a [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22 [INFO] [stderr] 11: 0x55b745bce55f - std::rt::lang_start::{{closure}}::ha476d79e5042c9f7 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55b745be5692 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x55b745be7bc9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55b745be614c - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x55b745bce538 - std::rt::lang_start::h0cdb038224f3a101 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55b745bb0c59 - main [INFO] [stderr] 17: 0x7f068d0912e0 - __libc_start_main [INFO] [stderr] 18: 0x55b745b84829 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "342bcfa97279f852cb20762766d716f16d495941280e47a6a0f4a02b7827812a"` [INFO] running `"docker" "rm" "-f" "342bcfa97279f852cb20762766d716f16d495941280e47a6a0f4a02b7827812a"` [INFO] [stdout] 342bcfa97279f852cb20762766d716f16d495941280e47a6a0f4a02b7827812a