[INFO] updating cached repository backuitist/rust-hello-world-nix-armv7 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/backuitist/rust-hello-world-nix-armv7 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/backuitist/rust-hello-world-nix-armv7" "work/ex/beta-1.37-6/sources/1.36.0/gh/backuitist/rust-hello-world-nix-armv7"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/backuitist/rust-hello-world-nix-armv7'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/backuitist/rust-hello-world-nix-armv7" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/backuitist/rust-hello-world-nix-armv7"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/backuitist/rust-hello-world-nix-armv7'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f2e8160ab52df12bc3819845fd2c6bb15ccf4771 [INFO] sha for GitHub repo backuitist/rust-hello-world-nix-armv7: f2e8160ab52df12bc3819845fd2c6bb15ccf4771 [INFO] validating manifest of backuitist/rust-hello-world-nix-armv7 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 backuitist/rust-hello-world-nix-armv7 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 backuitist/rust-hello-world-nix-armv7 [INFO] finished frobbing backuitist/rust-hello-world-nix-armv7 [INFO] frobbed toml for backuitist/rust-hello-world-nix-armv7 written to work/ex/beta-1.37-6/sources/1.36.0/gh/backuitist/rust-hello-world-nix-armv7/Cargo.toml [INFO] started frobbing backuitist/rust-hello-world-nix-armv7 [INFO] finished frobbing backuitist/rust-hello-world-nix-armv7 [INFO] frobbed toml for backuitist/rust-hello-world-nix-armv7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/backuitist/rust-hello-world-nix-armv7/Cargo.toml [INFO] crate backuitist/rust-hello-world-nix-armv7 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 backuitist/rust-hello-world-nix-armv7 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/backuitist/rust-hello-world-nix-armv7:/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] a54f54f49ebd828d5c9d353112e8074882fc3ea2d31f4c9d99604575a556b10f [INFO] running `"docker" "start" "-a" "a54f54f49ebd828d5c9d353112e8074882fc3ea2d31f4c9d99604575a556b10f"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling libc v0.2.57 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling rocket_codegen v0.4.1 [INFO] [stderr] Compiling rocket v0.4.1 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-0adab3ac63d3511e/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: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5589543bfb93 - 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: 0x5589543bb7cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x5589543bea26 - 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: 0x5589543be7b9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x5589543bf07f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x558954392193 - std::panicking::begin_panic::h0bfecc8f7c48d9cf [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55895439021e - build_script_build::main::h62ce5a50516d2fa8 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 7: 0x558954392b7f - std::rt::lang_start::{{closure}}::h8dacd6ecc58c5ac4 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x5589543bead2 - 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: 0x5589543c4fc9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x5589543bf58c - 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: 0x558954392b58 - std::rt::lang_start::hab29b371b8b34776 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x558954391089 - main [INFO] [stderr] 13: 0x7f8b883232e0 - __libc_start_main [INFO] [stderr] 14: 0x55895438fb79 - _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" "a54f54f49ebd828d5c9d353112e8074882fc3ea2d31f4c9d99604575a556b10f"` [INFO] running `"docker" "rm" "-f" "a54f54f49ebd828d5c9d353112e8074882fc3ea2d31f4c9d99604575a556b10f"` [INFO] [stdout] a54f54f49ebd828d5c9d353112e8074882fc3ea2d31f4c9d99604575a556b10f