[INFO] cloning repository tbehner/frust [INFO] running `"git" "clone" "--bare" "git://github.com/tbehner/frust.git" "work/cache/sources/gh/tbehner/frust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tbehner/frust'... [INFO] running `"git" "clone" "work/cache/sources/gh/tbehner/frust" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tbehner/frust"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tbehner/frust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tbehner/frust" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tbehner/frust"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tbehner/frust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3b6ed50475d779b0a6f157e1a52b421f0f3a2d79 [INFO] sha for GitHub repo tbehner/frust: 3b6ed50475d779b0a6f157e1a52b421f0f3a2d79 [INFO] validating manifest of tbehner/frust on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tbehner/frust on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tbehner/frust [INFO] finished frobbing tbehner/frust [INFO] frobbed toml for tbehner/frust written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tbehner/frust/Cargo.toml [INFO] started frobbing tbehner/frust [INFO] finished frobbing tbehner/frust [INFO] frobbed toml for tbehner/frust written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tbehner/frust/Cargo.toml [INFO] crate tbehner/frust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tbehner/frust against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tbehner/frust:/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=forbid" "-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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ddecbda4f3641333a50d6f990cae4e116e59c72a24c3a55fed6f3aa8c28d9438 [INFO] running `"docker" "start" "-a" "ddecbda4f3641333a50d6f990cae4e116e59c72a24c3a55fed6f3aa8c28d9438"` [INFO] [stderr] Compiling getopts v0.2.14 [INFO] [stderr] Checking lazy_static v0.2.5 [INFO] [stderr] Checking serde v1.0.7 [INFO] [stderr] Checking vec_map v0.7.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Checking term_size v0.2.3 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking termion v1.3.0 [INFO] [stderr] Checking pretty-bytes v0.2.1 [INFO] [stderr] Compiling serde_derive_internals v0.15.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Checking nom v2.2.0 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33 [INFO] [stderr] | [INFO] [stderr] 955 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 959 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1008 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1009 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [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] Checking colored v1.5.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking clap v2.22.1 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling serde_derive v1.0.7 [INFO] [stderr] Compiling skeptic v0.6.1 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-775db81c05718339/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: 0x55ad05157a9b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ad05157a9b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ad05157a9b - std::sys_common::backtrace::_print::h2896bece16680b31 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ad05157a9b - std::sys_common::backtrace::print::h5f4d4b954705d426 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ad05157a9b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55ad0515779c - std::panicking::default_hook::h4b88c02cc00064f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55ad05158160 - std::panicking::rust_panic_with_hook::he5596ad1952b7279 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55ad05157ce2 - std::panicking::continue_panic_fmt::h13f3a9aeaf0459c4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55ad05157bc6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x55ad0516cd0d - core::panicking::panic_fmt::h35cf1b39b1635ed5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55ad0514b128 - core::result::unwrap_failed::h91ca55c105573613 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55ad05116a1c - core::result::Result::unwrap::h388126f3f1076d98 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55ad0511db45 - build_script_gen_mime_types::main::h28362121bbb329a9 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55ad05139760 - std::rt::lang_start::{{closure}}::hb408b54c71dd0121 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55ad05157bb3 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55ad05157bb3 - std::panicking::try::do_call::h657ecdd23710c935 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x55ad05159f5a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55ad0515866d - std::panicking::try::h52772d620cb80373 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x55ad0515866d - std::panic::catch_unwind::hac02eb84ea8f3a3e [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55ad0515866d - std::rt::lang_start_internal::h9fab34d7c96dfdc9 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55ad05139739 - std::rt::lang_start::he3dbc6c36f06b334 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55ad0511f18a - main [INFO] [stderr] 22: 0x7f15780902e1 - __libc_start_main [INFO] [stderr] 23: 0x55ad050f6c3a - _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" "ddecbda4f3641333a50d6f990cae4e116e59c72a24c3a55fed6f3aa8c28d9438"` [INFO] running `"docker" "rm" "-f" "ddecbda4f3641333a50d6f990cae4e116e59c72a24c3a55fed6f3aa8c28d9438"` [INFO] [stdout] ddecbda4f3641333a50d6f990cae4e116e59c72a24c3a55fed6f3aa8c28d9438