[INFO] updating cached repository munk/gh-release [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/munk/gh-release [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/munk/gh-release" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/munk/gh-release"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/munk/gh-release'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/munk/gh-release" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/munk/gh-release"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/munk/gh-release'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2e11ed4d544104c98853b5f8cca63fc88b55d89d [INFO] sha for GitHub repo munk/gh-release: 2e11ed4d544104c98853b5f8cca63fc88b55d89d [INFO] validating manifest of munk/gh-release on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of munk/gh-release on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing munk/gh-release [INFO] finished frobbing munk/gh-release [INFO] frobbed toml for munk/gh-release written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/munk/gh-release/Cargo.toml [INFO] started frobbing munk/gh-release [INFO] finished frobbing munk/gh-release [INFO] frobbed toml for munk/gh-release written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/munk/gh-release/Cargo.toml [INFO] crate munk/gh-release already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking munk/gh-release against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/munk/gh-release:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b9bae2569c0c29c610e0b0180f69ff15b201ec8d23f94caacd97ff4ef796f034 [INFO] running `"docker" "start" "-a" "b9bae2569c0c29c610e0b0180f69ff15b201ec8d23f94caacd97ff4ef796f034"` [INFO] [stderr] Compiling openssl v0.9.22 [INFO] [stderr] Checking serde v1.0.23 [INFO] [stderr] Compiling openssl-sys v0.9.22 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling cmake v0.1.28 [INFO] [stderr] Compiling curl-sys v0.3.15 [INFO] [stderr] Compiling crc v1.6.0 [INFO] [stderr] Checking futures-cpupool v0.1.7 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.16 [INFO] [stderr] Checking libflate v0.1.12 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [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-88c902331744b2b5/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5647eb8c43fb - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5647eb8c43fb - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5647eb8c43fb - std::sys_common::backtrace::_print::h549f3692f8d3f393 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5647eb8c43fb - std::sys_common::backtrace::print::h037f1d7e6e0e94de [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5647eb8c43fb - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5647eb8c40d6 - std::panicking::default_hook::hdb7c9c6632585072 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5647eb8c4abd - std::panicking::rust_panic_with_hook::h906f2b0ace338868 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5647eb8c4642 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5647eb8c4526 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5647eb8d925d - core::panicking::panic_fmt::he1729b262db7d0f1 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5647eb8d9357 - core::result::unwrap_failed::h24d6964fca127bdf [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x5647eb88aac0 - core::result::Result::unwrap::h32e6a35eee672d65 [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x5647eb88c5e5 - build_script_gen_mime_types::main::h302cda4ee4900463 [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: 0x5647eb8775b0 - std::rt::lang_start::{{closure}}::hbe7e563cbde729f3 [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5647eb8c4513 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5647eb8c4513 - std::panicking::try::do_call::hfbd18154d6e81e0d [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5647eb8c660a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x5647eb8c4fcd - std::panicking::try::h9cb4b237371abf81 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5647eb8c4fcd - std::panic::catch_unwind::hd403853a39b4e3c9 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5647eb8c4fcd - std::rt::lang_start_internal::h7e5e162b169a1510 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5647eb877589 - std::rt::lang_start::h1f8c63500530c544 [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5647eb88db6a - main [INFO] [stderr] 22: 0x7f31fdc032e1 - __libc_start_main [INFO] [stderr] 23: 0x5647eb862fba - _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" "b9bae2569c0c29c610e0b0180f69ff15b201ec8d23f94caacd97ff4ef796f034"` [INFO] running `"docker" "rm" "-f" "b9bae2569c0c29c610e0b0180f69ff15b201ec8d23f94caacd97ff4ef796f034"` [INFO] [stdout] b9bae2569c0c29c610e0b0180f69ff15b201ec8d23f94caacd97ff4ef796f034