[INFO] updating cached repository panicbit/rfi [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/panicbit/rfi [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/rfi" "work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/rfi"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/rfi'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/rfi" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/rfi"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/rfi'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a046c904dd10c795164c94fafac352a2e46e1546 [INFO] sha for GitHub repo panicbit/rfi: a046c904dd10c795164c94fafac352a2e46e1546 [INFO] validating manifest of panicbit/rfi 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 panicbit/rfi 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 panicbit/rfi [INFO] finished frobbing panicbit/rfi [INFO] frobbed toml for panicbit/rfi written to work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/rfi/Cargo.toml [INFO] started frobbing panicbit/rfi [INFO] finished frobbing panicbit/rfi [INFO] frobbed toml for panicbit/rfi written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/rfi/Cargo.toml [INFO] crate panicbit/rfi 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 panicbit/rfi 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/rfi:/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] ac53a9afce5f6b19718881b38c38d19a2952a62851a8722eaf532bf00171bac1 [INFO] running `"docker" "start" "-a" "ac53a9afce5f6b19718881b38c38d19a2952a62851a8722eaf532bf00171bac1"` [INFO] [stderr] Compiling cc v1.0.1 [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling pulldown-cmark v0.1.0 [INFO] [stderr] Compiling serde v1.0.16 [INFO] [stderr] Compiling getopts v0.2.15 [INFO] [stderr] Compiling openssl-probe v0.1.1 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.0 [INFO] [stderr] Compiling crc v1.5.0 [INFO] [stderr] Compiling term-painter v0.2.4 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33 [INFO] [stderr] | [INFO] [stderr] 978 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 982 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1033 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1034 | 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] [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Compiling derive-error-chain v0.10.1 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling rand v0.3.17 [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 v1.0.1 [INFO] [stderr] Compiling libflate v0.1.12 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling mio v0.6.10 [INFO] [stderr] Compiling futures-cpupool v0.1.7 [INFO] [stderr] Compiling openssl-sys v0.9.20 [INFO] [stderr] Compiling cmake v0.1.26 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling curl-sys v0.3.15 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling tokio-io v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.16 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.16 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling openssl v0.9.20 [INFO] [stderr] Compiling tokio-core v0.1.10 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.2 [INFO] [stderr] Compiling serde_json v1.0.4 [INFO] [stderr] Compiling serde_urlencoded v0.5.1 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-9aa786b4594840eb/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: 0x5571966db743 - 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: 0x5571966d735b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x5571966da5b6 - 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: 0x5571966da349 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x5571966dac0f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x5571966da791 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x5571966da675 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x5571966eb4ec - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x5571966cc887 - core::result::unwrap_failed::hd32d062bf7fec0f8 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55719669944a - core::result::Result::unwrap::h5c597b387bb71be6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x5571966a45e4 - build_script_gen_mime_types::main::h7d7a573d486604b1 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22 [INFO] [stderr] 11: 0x5571966c352f - std::rt::lang_start::{{closure}}::h734c34c926d7439a [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x5571966da662 - 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: 0x5571966dcb99 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x5571966db11c - 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: 0x5571966c3508 - std::rt::lang_start::h09b61ca679718aa7 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5571966a5c29 - main [INFO] [stderr] 17: 0x7fe6245e22e0 - __libc_start_main [INFO] [stderr] 18: 0x5571966797f9 - _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" "ac53a9afce5f6b19718881b38c38d19a2952a62851a8722eaf532bf00171bac1"` [INFO] running `"docker" "rm" "-f" "ac53a9afce5f6b19718881b38c38d19a2952a62851a8722eaf532bf00171bac1"` [INFO] [stdout] ac53a9afce5f6b19718881b38c38d19a2952a62851a8722eaf532bf00171bac1