[INFO] updating cached repository ike/sandblaster [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ike/sandblaster [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ike/sandblaster" "work/ex/beta-1.37-6/sources/1.36.0/gh/ike/sandblaster"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ike/sandblaster'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ike/sandblaster" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ike/sandblaster"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ike/sandblaster'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 496589b9363f68d46b17a7fb4b6c21562c058c02 [INFO] sha for GitHub repo ike/sandblaster: 496589b9363f68d46b17a7fb4b6c21562c058c02 [INFO] validating manifest of ike/sandblaster 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 ike/sandblaster 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 ike/sandblaster [INFO] finished frobbing ike/sandblaster [INFO] frobbed toml for ike/sandblaster written to work/ex/beta-1.37-6/sources/1.36.0/gh/ike/sandblaster/Cargo.toml [INFO] started frobbing ike/sandblaster [INFO] finished frobbing ike/sandblaster [INFO] frobbed toml for ike/sandblaster written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ike/sandblaster/Cargo.toml [INFO] crate ike/sandblaster 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 ike/sandblaster against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ike/sandblaster:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] b733e9f4be898f7366a7f0ba15eeaecdff4a2a14fc85cd1d203471e7e8d94528 [INFO] running `"docker" "start" "-a" "b733e9f4be898f7366a7f0ba15eeaecdff4a2a14fc85cd1d203471e7e8d94528"` [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling cc v1.0.3 [INFO] [stderr] Compiling openssl v0.9.23 [INFO] [stderr] Compiling lazycell v0.5.1 [INFO] [stderr] Compiling futures v0.1.17 [INFO] [stderr] Compiling build_const v0.2.0 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling unicode-normalization v0.1.5 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling base64 v0.8.0 [INFO] [stderr] Compiling crc v1.6.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling mio v0.6.11 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling clap v2.29.0 [INFO] [stderr] Compiling openssl-sys v0.9.23 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling libflate v0.1.12 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.7 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling tokio-io v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling tokio-core v0.1.11 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.8 [INFO] [stderr] Compiling serde_urlencoded v0.5.1 [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-75b5bab690b90938/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: 0x555795ec639b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x555795ec639b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x555795ec639b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x555795ec639b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x555795ec639b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x555795ec6077 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x555795ec6a60 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x555795ec65e2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x555795ec64c6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x555795edb07d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x555795eb8d68 - core::result::unwrap_failed::h61c59cd2b5fd2d6e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x555795e8659c - core::result::Result::unwrap::hfa941e3f9ef1c6e8 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x555795e896b5 - build_script_gen_mime_types::main::hf1f689c943f9bf0b [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: 0x555795eafe90 - std::rt::lang_start::{{closure}}::h59831677b0e276bc [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x555795ec64b3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x555795ec64b3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x555795ec825a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x555795ec6f6d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x555795ec6f6d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x555795ec6f6d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x555795eafe69 - std::rt::lang_start::h582697b8ff690663 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x555795e8acea - main [INFO] [stderr] 22: 0x7f1fb30642e1 - __libc_start_main [INFO] [stderr] 23: 0x555795e650ea - _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" "b733e9f4be898f7366a7f0ba15eeaecdff4a2a14fc85cd1d203471e7e8d94528"` [INFO] running `"docker" "rm" "-f" "b733e9f4be898f7366a7f0ba15eeaecdff4a2a14fc85cd1d203471e7e8d94528"` [INFO] [stdout] b733e9f4be898f7366a7f0ba15eeaecdff4a2a14fc85cd1d203471e7e8d94528