[INFO] updating cached repository rasviitanen/valency [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rasviitanen/valency [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rasviitanen/valency" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/rasviitanen/valency"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/rasviitanen/valency'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rasviitanen/valency" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/rasviitanen/valency"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/rasviitanen/valency'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 029c3bdc827c33871aaf79bd7d6344c4f0e1a31c [INFO] sha for GitHub repo rasviitanen/valency: 029c3bdc827c33871aaf79bd7d6344c4f0e1a31c [INFO] validating manifest of rasviitanen/valency on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rasviitanen/valency on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rasviitanen/valency [INFO] finished frobbing rasviitanen/valency [INFO] frobbed toml for rasviitanen/valency written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/rasviitanen/valency/Cargo.toml [INFO] started frobbing rasviitanen/valency [INFO] finished frobbing rasviitanen/valency [INFO] frobbed toml for rasviitanen/valency written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/rasviitanen/valency/Cargo.toml [INFO] crate rasviitanen/valency already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking rasviitanen/valency against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/rasviitanen/valency:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 13b3ad91ddbd31cb0a0cbffa4151d89c65904e3ca27be68902163d2c48e67a4f [INFO] running `"docker" "start" "-a" "13b3ad91ddbd31cb0a0cbffa4151d89c65904e3ca27be68902163d2c48e67a4f"` [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling mopa v0.2.2 [INFO] [stderr] Compiling tuple_utils v0.2.0 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling mint v0.5.1 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling minimp3-sys v0.3.0 [INFO] [stderr] Checking slice-deque v0.1.14 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling servo-freetype-sys v4.0.4 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Checking euclid v0.19.2 [INFO] [stderr] Checking intl_pluralrules v1.0.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-a891aee24f4908e0/build-script-build` (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: 0x5635b5cf52c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hfa97320445f5527e [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x5635b5cf10ab - std::sys_common::backtrace::_print::hd3b576ae93ab7edf [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x5635b5cf4156 - std::panicking::default_hook::{{closure}}::hc91771277650363b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x5635b5cf3ee9 - std::panicking::default_hook::h907980fba90a05d4 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x5635b5cf47af - std::panicking::rust_panic_with_hook::h54b15fd7dd35bcdd [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x5635b5cf4331 - std::panicking::continue_panic_fmt::h26423b23bd3f9b26 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x5635b5cf4215 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x5635b5d094fc - core::panicking::panic_fmt::hf4679579a9cfdecf [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x5635b5cc2792 - core::result::unwrap_failed::hde4615a7ee95c947 [INFO] [stderr] at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x5635b5cc2b86 - core::result::Result::unwrap::h4693a6a71080b015 [INFO] [stderr] at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x5635b5cc046a - build_script_build::main::hb11a0db9e010d9a1 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 11: 0x5635b5cc1c1f - std::rt::lang_start::{{closure}}::h7a92d66485849c9d [INFO] [stderr] at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x5635b5cf4202 - std::panicking::try::do_call::h1f4120859950b8a8 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x5635b5cfa989 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x5635b5cf4cbc - std::rt::lang_start_internal::hbc39bfd78551214b [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: 0x5635b5cc1bf8 - std::rt::lang_start::hef4612811578e8bc [INFO] [stderr] at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5635b5cc1469 - main [INFO] [stderr] 17: 0x7f950ebc82e0 - __libc_start_main [INFO] [stderr] 18: 0x5635b5cbfde9 - _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" "13b3ad91ddbd31cb0a0cbffa4151d89c65904e3ca27be68902163d2c48e67a4f"` [INFO] running `"docker" "rm" "-f" "13b3ad91ddbd31cb0a0cbffa4151d89c65904e3ca27be68902163d2c48e67a4f"` [INFO] [stdout] 13b3ad91ddbd31cb0a0cbffa4151d89c65904e3ca27be68902163d2c48e67a4f