[INFO] updating cached repository boxdot/gerritbot-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/boxdot/gerritbot-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/boxdot/gerritbot-rs" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/boxdot/gerritbot-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/boxdot/gerritbot-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/boxdot/gerritbot-rs" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/boxdot/gerritbot-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/boxdot/gerritbot-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d7b3e297006f024f8d52b3301cf0d8721b715e51 [INFO] sha for GitHub repo boxdot/gerritbot-rs: d7b3e297006f024f8d52b3301cf0d8721b715e51 [INFO] validating manifest of boxdot/gerritbot-rs on toolchain master#1891bfa80364eead426517c68de6947b7692e2de [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of boxdot/gerritbot-rs on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing boxdot/gerritbot-rs [INFO] finished frobbing boxdot/gerritbot-rs [INFO] frobbed toml for boxdot/gerritbot-rs written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/boxdot/gerritbot-rs/Cargo.toml [INFO] started frobbing boxdot/gerritbot-rs [INFO] finished frobbing boxdot/gerritbot-rs [INFO] frobbed toml for boxdot/gerritbot-rs written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/boxdot/gerritbot-rs/Cargo.toml [INFO] crate boxdot/gerritbot-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking boxdot/gerritbot-rs against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/boxdot/gerritbot-rs:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8a4a2b2847a0c7ce41b715e6b85f1fac95f176ec968be07e1c5df3701d5d1b8e [INFO] running `"docker" "start" "-a" "8a4a2b2847a0c7ce41b715e6b85f1fac95f176ec968be07e1c5df3701d5d1b8e"` [INFO] [stderr] Checking rustc-demangle v0.1.6 [INFO] [stderr] Checking lru_time_cache v0.7.0 [INFO] [stderr] Compiling dbus v0.4.1 [INFO] [stderr] Compiling rlua v0.12.2 [INFO] [stderr] Checking itertools v0.7.6 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Checking serde_yaml v0.7.3 [INFO] [stderr] Checking libz-sys v1.0.18 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling rusoto_core v0.29.0 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking native-tls v0.1.4 [INFO] [stderr] Checking stderrlog v0.2.3 [INFO] [stderr] Checking docopt v0.8.3 [INFO] [stderr] Checking tokio-tls v0.1.3 [INFO] [stderr] Checking hyper-native-tls v0.2.4 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling mime_guess v1.8.2 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Checking hyper-tls v0.1.2 [INFO] [stderr] Checking rusoto_credential v0.9.0 [INFO] [stderr] Checking notify-rust v3.4.2 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2` [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-d998567c5f8d653f/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: 0x563a081e3a53 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::he40e3e73036b0b3f [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x563a081df81b - std::sys_common::backtrace::_print::h6d6f6242937d4268 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x563a081e28c6 - std::panicking::default_hook::{{closure}}::hd0821dee96f91765 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x563a081e2659 - std::panicking::default_hook::h8dc8a77692be60de [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x563a081e2f1f - std::panicking::rust_panic_with_hook::he8c6e40be53e89a5 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x563a081e2aa1 - std::panicking::continue_panic_fmt::h24ac15689db01f04 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x563a081e2985 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x563a081f38dc - core::panicking::panic_fmt::h64a7b003b9ca6c01 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x563a081d2797 - core::result::unwrap_failed::h2bcb5ae1ef2ff9a8 [INFO] [stderr] at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x563a081a52ca - core::result::Result::unwrap::hd610a4aa31dad646 [INFO] [stderr] at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x563a081a9314 - build_script_gen_mime_types::main::h373c95e762deb1cd [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22 [INFO] [stderr] 11: 0x563a081be68f - std::rt::lang_start::{{closure}}::h37241df602404d34 [INFO] [stderr] at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x563a081e2972 - std::panicking::try::do_call::h03c9792ab8ffda62 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x563a081e5029 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x563a081e342c - std::rt::lang_start_internal::h0a8566bec8d08064 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x563a081be668 - std::rt::lang_start::h0d75c6b97d2db348 [INFO] [stderr] at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x563a081aa959 - main [INFO] [stderr] 17: 0x7fcab156e2e0 - __libc_start_main [INFO] [stderr] 18: 0x563a08187699 - _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" "8a4a2b2847a0c7ce41b715e6b85f1fac95f176ec968be07e1c5df3701d5d1b8e"` [INFO] running `"docker" "rm" "-f" "8a4a2b2847a0c7ce41b715e6b85f1fac95f176ec968be07e1c5df3701d5d1b8e"` [INFO] [stdout] 8a4a2b2847a0c7ce41b715e6b85f1fac95f176ec968be07e1c5df3701d5d1b8e