[INFO] updating cached repository mchaver/digit-recognition [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mchaver/digit-recognition [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mchaver/digit-recognition" "work/ex/beta-1.37-6/sources/1.36.0/gh/mchaver/digit-recognition"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mchaver/digit-recognition'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mchaver/digit-recognition" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mchaver/digit-recognition"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mchaver/digit-recognition'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a605df4d31511e5bde035fff17c55835c0e19e3f [INFO] sha for GitHub repo mchaver/digit-recognition: a605df4d31511e5bde035fff17c55835c0e19e3f [INFO] validating manifest of mchaver/digit-recognition 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 mchaver/digit-recognition 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 mchaver/digit-recognition [INFO] finished frobbing mchaver/digit-recognition [INFO] frobbed toml for mchaver/digit-recognition written to work/ex/beta-1.37-6/sources/1.36.0/gh/mchaver/digit-recognition/Cargo.toml [INFO] started frobbing mchaver/digit-recognition [INFO] finished frobbing mchaver/digit-recognition [INFO] frobbed toml for mchaver/digit-recognition written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mchaver/digit-recognition/Cargo.toml [INFO] crate mchaver/digit-recognition 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] testing mchaver/digit-recognition 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mchaver/digit-recognition:/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] f7735e7d7deea97abff389a7ee1ad5d2f8f4a5fa1ae93ceb017fe4fd3a4554af [INFO] running `"docker" "start" "-a" "f7735e7d7deea97abff389a7ee1ad5d2f8f4a5fa1ae93ceb017fe4fd3a4554af"` [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling inflate v0.4.2 [INFO] [stderr] Compiling rand v0.5.1 [INFO] [stderr] Compiling pear_codegen v0.0.17 [INFO] [stderr] Compiling rocket v0.3.12 [INFO] [stderr] Compiling rocket_codegen v0.3.12 [INFO] [stderr] Compiling rayon v0.7.1 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] error: failed to run custom build command for `rocket v0.3.12` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rocket-bf7781fa0415a08c/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: 1.36.0 (2019-07-03). Minimum required: 1.27.0-nightly (2018-04-26). [INFO] [stderr] See the getting started guide (https://rocket.rs/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-0.3.12/build.rs:38:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c5408c6ac3 - 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: 0x55c5408c26fb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55c5408c5956 - 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: 0x55c5408c56e9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55c5408c5faf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55c540899e53 - std::panicking::begin_panic::h4be7d455374125bd [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55c540897eca - build_script_build::main::h57b2cc3960bc0674 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.3.12/build.rs:38 [INFO] [stderr] 7: 0x55c54089a83f - std::rt::lang_start::{{closure}}::he91a0a60f105d3c2 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x55c5408c5a02 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 9: 0x55c5408cbef9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x55c5408c64bc - 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] 11: 0x55c54089a818 - std::rt::lang_start::h199a8fd66cbbf9d0 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55c540898d49 - main [INFO] [stderr] 13: 0x7fbff03ad2e0 - __libc_start_main [INFO] [stderr] 14: 0x55c5408975f9 - _start [INFO] [stderr] 15: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to run custom build command for `rocket_codegen v0.3.12` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rocket_codegen-8e0c8f301039e0b8/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: 1.36.0 (2019-07-03). Minimum required: 1.28.0-nightly (2018-05-30). [INFO] [stderr] See the getting started guide (https://rocket.rs/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-0.3.12/build.rs:38:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564eeb059aa3 - 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: 0x564eeb0556db - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x564eeb058936 - 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: 0x564eeb0586c9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x564eeb058f8f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x564eeb02ce33 - std::panicking::begin_panic::h266b5112d267fc96 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x564eeb02aec7 - build_script_build::main::h1650e559b0ffd596 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.3.12/build.rs:38 [INFO] [stderr] 7: 0x564eeb02d81f - std::rt::lang_start::{{closure}}::h8f6632dc6ea0b5fa [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x564eeb0589e2 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 9: 0x564eeb05eed9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x564eeb05949c - 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] 11: 0x564eeb02d7f8 - std::rt::lang_start::h18286058638c985e [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x564eeb02bd29 - main [INFO] [stderr] 13: 0x7f88f641d2e0 - __libc_start_main [INFO] [stderr] 14: 0x564eeb02a5f9 - _start [INFO] [stderr] 15: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.17` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-ea24dbb8c489e4f2/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.36.0 (2019-07-03). Minimum required: 1.27.0-nightly (2018-04-14). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e45dd66883 - 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: 0x55e45dd624bb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55e45dd65716 - 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: 0x55e45dd654a9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55e45dd65d6f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55e45dd39c13 - std::panicking::begin_panic::h403bbf45da5040b1 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55e45dd37c9e - build_script_build::main::h535b245c163c710f [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31 [INFO] [stderr] 7: 0x55e45dd3a5ff - std::rt::lang_start::{{closure}}::h1606017367b582a7 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x55e45dd657c2 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 9: 0x55e45dd6bcb9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x55e45dd6627c - 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] 11: 0x55e45dd3a5d8 - std::rt::lang_start::hf316c1cac34dd1c5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55e45dd38b09 - main [INFO] [stderr] 13: 0x7f9bb4d2b2e0 - __libc_start_main [INFO] [stderr] 14: 0x55e45dd375f9 - _start [INFO] [stderr] 15: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f7735e7d7deea97abff389a7ee1ad5d2f8f4a5fa1ae93ceb017fe4fd3a4554af"` [INFO] running `"docker" "rm" "-f" "f7735e7d7deea97abff389a7ee1ad5d2f8f4a5fa1ae93ceb017fe4fd3a4554af"` [INFO] [stdout] f7735e7d7deea97abff389a7ee1ad5d2f8f4a5fa1ae93ceb017fe4fd3a4554af