[INFO] updating cached repository anguslees/freestack [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/anguslees/freestack [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/anguslees/freestack" "work/ex/beta-1.37-6/sources/1.36.0/gh/anguslees/freestack"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/anguslees/freestack'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/anguslees/freestack" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anguslees/freestack"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anguslees/freestack'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2723c59a15df75cffe0ca0232d9727727e20d3d1 [INFO] sha for GitHub repo anguslees/freestack: 2723c59a15df75cffe0ca0232d9727727e20d3d1 [INFO] validating manifest of anguslees/freestack 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 anguslees/freestack 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 anguslees/freestack [INFO] finished frobbing anguslees/freestack [INFO] frobbed toml for anguslees/freestack written to work/ex/beta-1.37-6/sources/1.36.0/gh/anguslees/freestack/Cargo.toml [INFO] started frobbing anguslees/freestack [INFO] finished frobbing anguslees/freestack [INFO] frobbed toml for anguslees/freestack written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anguslees/freestack/Cargo.toml [INFO] crate anguslees/freestack 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/anguslees/freestack/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] testing anguslees/freestack against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anguslees/freestack:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 6a00c24e28186fa8c58ca0168eb8c9f3dc1d86e7a5f782c1483e1052dc74a841 [INFO] running `"docker" "start" "-a" "6a00c24e28186fa8c58ca0168eb8c9f3dc1d86e7a5f782c1483e1052dc74a841"` [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling nix v0.4.3 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling gj v0.1.2 [INFO] [stderr] Compiling capnp v0.6.2 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] warning[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.6.2/src/private/layout.rs:639:47 [INFO] [stderr] | [INFO] [stderr] 639 | let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment)); [INFO] [stderr] | ----------- --------- ^^^^^^^ immutable borrow occurs here [INFO] [stderr] | | | [INFO] [stderr] | | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used by call [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] Compiling capnpc v0.6.2 [INFO] [stderr] Compiling capnp-gj v0.1.0 [INFO] [stderr] Compiling capnp-rpc v0.6.3 [INFO] [stderr] Compiling freestack v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `freestack v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/freestack-ffe654f2c0478d8e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] capnp compile: /usr/include/capnp/persistent.capnp: no such file [INFO] [stderr] Try 'capnp compile --help' for more information. [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { kind: Failed, description: "Error while trying to execute `capnp compile`: Failed: Premature EOF. Please verify that version 0.5.2 or higher of the capnp executable is installed on your system. See https://capnproto.org/install.html" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558ca2ff2b6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558ca2ff2b6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558ca2ff2b6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x558ca2ff2b6b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x558ca2ff2b6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x558ca2ff2847 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x558ca2ff3230 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x558ca2ff2db2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x558ca2ff2c96 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x558ca300f3fd - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x558ca2fcf5d8 - core::result::unwrap_failed::h7c1d6f48d0a48353 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x558ca2f278a6 - core::result::Result::unwrap::h53685cec1f56c1c6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x558ca2f27b96 - build_script_build::main::h23845056e6477764 [INFO] [stderr] at /opt/crater/workdir/build.rs:11 [INFO] [stderr] 13: 0x558ca2f277c0 - std::rt::lang_start::{{closure}}::h1bfc3d6d311bcf82 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x558ca2ff2c83 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x558ca2ff2c83 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x558ca2ff8fba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x558ca2ff373d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x558ca2ff373d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x558ca2ff373d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x558ca2f27799 - std::rt::lang_start::h183a5d8f90b3720e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x558ca2f27bca - main [INFO] [stderr] 22: 0x7f9dbac0b2e1 - __libc_start_main [INFO] [stderr] 23: 0x558ca2f26eba - _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" "6a00c24e28186fa8c58ca0168eb8c9f3dc1d86e7a5f782c1483e1052dc74a841"` [INFO] running `"docker" "rm" "-f" "6a00c24e28186fa8c58ca0168eb8c9f3dc1d86e7a5f782c1483e1052dc74a841"` [INFO] [stdout] 6a00c24e28186fa8c58ca0168eb8c9f3dc1d86e7a5f782c1483e1052dc74a841