[INFO] updating cached repository ichyo/atcoder-submissions-to-csv [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ichyo/atcoder-submissions-to-csv [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ichyo/atcoder-submissions-to-csv" "work/ex/beta-1.37-6/sources/1.36.0/gh/ichyo/atcoder-submissions-to-csv"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ichyo/atcoder-submissions-to-csv'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ichyo/atcoder-submissions-to-csv" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ichyo/atcoder-submissions-to-csv"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ichyo/atcoder-submissions-to-csv'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 45cf935ce1ad567ec14a205a0d971fd244ee80b2 [INFO] sha for GitHub repo ichyo/atcoder-submissions-to-csv: 45cf935ce1ad567ec14a205a0d971fd244ee80b2 [INFO] validating manifest of ichyo/atcoder-submissions-to-csv 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 ichyo/atcoder-submissions-to-csv 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 ichyo/atcoder-submissions-to-csv [INFO] finished frobbing ichyo/atcoder-submissions-to-csv [INFO] frobbed toml for ichyo/atcoder-submissions-to-csv written to work/ex/beta-1.37-6/sources/1.36.0/gh/ichyo/atcoder-submissions-to-csv/Cargo.toml [INFO] started frobbing ichyo/atcoder-submissions-to-csv [INFO] finished frobbing ichyo/atcoder-submissions-to-csv [INFO] frobbed toml for ichyo/atcoder-submissions-to-csv written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ichyo/atcoder-submissions-to-csv/Cargo.toml [INFO] crate ichyo/atcoder-submissions-to-csv 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing ichyo/atcoder-submissions-to-csv 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-6/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/ichyo/atcoder-submissions-to-csv:/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] 738a2a8d558168c92dbf57887f1cb87062a7a88d826fd151b20f1494eda51d0d [INFO] running `"docker" "start" "-a" "738a2a8d558168c92dbf57887f1cb87062a7a88d826fd151b20f1494eda51d0d"` [INFO] [stderr] Compiling cc v1.0.3 [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling openssl v0.9.23 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling smallvec v0.1.8 [INFO] [stderr] Compiling serde v1.0.26 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling ego-tree v0.1.1 [INFO] [stderr] Compiling log v0.4.0 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.0 [INFO] [stderr] Compiling utf-8 v0.6.0 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling base64 v0.9.0 [INFO] [stderr] Compiling csv-core v0.1.3 [INFO] [stderr] Compiling debug_unreachable v0.1.1 [INFO] [stderr] Compiling quickersort v2.2.0 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling rand v0.3.19 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling futf v0.1.3 [INFO] [stderr] Compiling cssparser v0.5.8 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling mio v0.6.11 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling futures-cpupool v0.1.7 [INFO] [stderr] Compiling libflate v0.1.13 [INFO] [stderr] Compiling tendril v0.2.4 [INFO] [stderr] Compiling openssl-sys v0.9.23 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling tokio-io v0.1.4 [INFO] [stderr] Compiling string_cache v0.2.29 [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 phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Compiling tokio-core v0.1.11 [INFO] [stderr] Compiling selectors v0.5.9 [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-65212bbefd0ed766/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: 0x563a3138a39b - 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: 0x563a3138a39b - 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: 0x563a3138a39b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x563a3138a39b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x563a3138a39b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x563a3138a077 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x563a3138aa60 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x563a3138a5e2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x563a3138a4c6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x563a3139f07d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x563a3137cd68 - core::result::unwrap_failed::he11bb0bb5a24810b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x563a3134a43c - core::result::Result::unwrap::h24f5a2b817b58ed1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x563a3134d695 - build_script_gen_mime_types::main::hc86f4cb7751265c9 [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: 0x563a31373e70 - std::rt::lang_start::{{closure}}::hcb612239bd4eb7d6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x563a3138a4b3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x563a3138a4b3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x563a3138c25a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x563a3138af6d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x563a3138af6d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x563a3138af6d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x563a31373e49 - std::rt::lang_start::hd5207b0b481f9fbf [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x563a3134ecca - main [INFO] [stderr] 22: 0x7ff6379e32e1 - __libc_start_main [INFO] [stderr] 23: 0x563a313290ea - _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" "738a2a8d558168c92dbf57887f1cb87062a7a88d826fd151b20f1494eda51d0d"` [INFO] running `"docker" "rm" "-f" "738a2a8d558168c92dbf57887f1cb87062a7a88d826fd151b20f1494eda51d0d"` [INFO] [stdout] 738a2a8d558168c92dbf57887f1cb87062a7a88d826fd151b20f1494eda51d0d