[INFO] cloning repository iosmanthus/RocketMongoDemo [INFO] running `"git" "clone" "--bare" "git://github.com/iosmanthus/RocketMongoDemo.git" "work/cache/sources/gh/iosmanthus/RocketMongoDemo"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/iosmanthus/RocketMongoDemo'... [INFO] running `"git" "clone" "work/cache/sources/gh/iosmanthus/RocketMongoDemo" "work/ex/beta-1.37-6/sources/1.36.0/gh/iosmanthus/RocketMongoDemo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/iosmanthus/RocketMongoDemo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iosmanthus/RocketMongoDemo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iosmanthus/RocketMongoDemo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iosmanthus/RocketMongoDemo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f3ed7908f9fe5c4660b86d7b626a2e479dada37f [INFO] sha for GitHub repo iosmanthus/RocketMongoDemo: f3ed7908f9fe5c4660b86d7b626a2e479dada37f [INFO] validating manifest of iosmanthus/RocketMongoDemo 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 iosmanthus/RocketMongoDemo 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 iosmanthus/RocketMongoDemo [INFO] finished frobbing iosmanthus/RocketMongoDemo [INFO] frobbed toml for iosmanthus/RocketMongoDemo written to work/ex/beta-1.37-6/sources/1.36.0/gh/iosmanthus/RocketMongoDemo/Cargo.toml [INFO] started frobbing iosmanthus/RocketMongoDemo [INFO] finished frobbing iosmanthus/RocketMongoDemo [INFO] frobbed toml for iosmanthus/RocketMongoDemo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iosmanthus/RocketMongoDemo/Cargo.toml [INFO] crate iosmanthus/RocketMongoDemo 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] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing iosmanthus/RocketMongoDemo 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-1/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/iosmanthus/RocketMongoDemo:/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] c5ae93174172bb5b594837a862a61dade11e021c79b99def0321022c7409f889 [INFO] running `"docker" "start" "-a" "c5ae93174172bb5b594837a862a61dade11e021c79b99def0321022c7409f889"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling try_from v0.2.2 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling separator v0.3.1 [INFO] [stderr] Compiling data-encoding v2.1.2 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rocket_codegen v0.4.1 [INFO] [stderr] Compiling rocket_contrib_codegen v0.4.1 [INFO] [stderr] Compiling rocket v0.4.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] error: failed to run custom build command for `rocket_codegen v0.4.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rocket_codegen-bed993a9774f5e24/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.37.0-beta.6 (2019-07-22). Minimum required: 1.32.0-nightly (2018-11-23). [INFO] [stderr] See the getting started guide (https://rocket.rs/v0.4/guide/getting-started/) for more information. [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.4.1/build.rs:38:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56071467286b - 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: 0x56071467286b - 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: 0x56071467286b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56071467286b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56071467286b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x560714672547 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x560714672f30 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x560714647a14 - std::panicking::begin_panic::h9ca0856e32133fef [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x560714642bf9 - build_script_build::main::h0a2cd0b1eb3758ce [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.4.1/build.rs:38 [INFO] [stderr] 9: 0x560714645320 - std::rt::lang_start::{{closure}}::h8fd907397c23f9f1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x560714672983 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x560714672983 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x560714678c3a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x56071467343d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x56071467343d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x56071467343d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x5607146452f9 - std::rt::lang_start::h17eec9c54ed5eda8 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x56071464391a - main [INFO] [stderr] 18: 0x7f3b634752e1 - __libc_start_main [INFO] [stderr] 19: 0x56071464235a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c5ae93174172bb5b594837a862a61dade11e021c79b99def0321022c7409f889"` [INFO] running `"docker" "rm" "-f" "c5ae93174172bb5b594837a862a61dade11e021c79b99def0321022c7409f889"` [INFO] [stdout] c5ae93174172bb5b594837a862a61dade11e021c79b99def0321022c7409f889