[INFO] updating cached repository lankydan/rust-web-with-rocket [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lankydan/rust-web-with-rocket [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lankydan/rust-web-with-rocket" "work/ex/beta-1.37-6/sources/1.36.0/gh/lankydan/rust-web-with-rocket"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lankydan/rust-web-with-rocket'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lankydan/rust-web-with-rocket" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lankydan/rust-web-with-rocket"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lankydan/rust-web-with-rocket'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da31b9753d9fd7d612b6360a8c510e0d509c9c36 [INFO] sha for GitHub repo lankydan/rust-web-with-rocket: da31b9753d9fd7d612b6360a8c510e0d509c9c36 [INFO] validating manifest of lankydan/rust-web-with-rocket 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 lankydan/rust-web-with-rocket 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 lankydan/rust-web-with-rocket [INFO] finished frobbing lankydan/rust-web-with-rocket [INFO] frobbed toml for lankydan/rust-web-with-rocket written to work/ex/beta-1.37-6/sources/1.36.0/gh/lankydan/rust-web-with-rocket/Cargo.toml [INFO] started frobbing lankydan/rust-web-with-rocket [INFO] finished frobbing lankydan/rust-web-with-rocket [INFO] frobbed toml for lankydan/rust-web-with-rocket written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lankydan/rust-web-with-rocket/Cargo.toml [INFO] crate lankydan/rust-web-with-rocket 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 lankydan/rust-web-with-rocket 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/lankydan/rust-web-with-rocket:/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] 3a0539b5c34aabf0c1362791c904c208edeb6e9868db9123d45b4f6ca6b68635 [INFO] running `"docker" "start" "-a" "3a0539b5c34aabf0c1362791c904c208edeb6e9868db9123d45b4f6ca6b68635"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling rustc-demangle v0.1.11 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling antidote v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.3 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling base64 v0.10.0 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling pq-sys v0.4.4 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling isatty v0.1.7 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling quote v0.5.2 [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-bb7b329dbe0d55b9/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: 0x558ae238d883 - 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: 0x558ae23894bb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x558ae238c716 - 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: 0x558ae238c4a9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x558ae238cd6f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x558ae2360c13 - std::panicking::begin_panic::h2637a85ef04f35c8 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x558ae235ec9e - build_script_build::main::hb7aa9c56f4671f97 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 7: 0x558ae23615ff - std::rt::lang_start::{{closure}}::h222f7107f1badccd [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x558ae238c7c2 - 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: 0x558ae2392cb9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x558ae238d27c - 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: 0x558ae23615d8 - std::rt::lang_start::h3d700b6073d368a8 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x558ae235fb09 - main [INFO] [stderr] 13: 0x7ff2c40632e0 - __libc_start_main [INFO] [stderr] 14: 0x558ae235e5f9 - _start [INFO] [stderr] 15: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [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] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "3a0539b5c34aabf0c1362791c904c208edeb6e9868db9123d45b4f6ca6b68635"` [INFO] running `"docker" "rm" "-f" "3a0539b5c34aabf0c1362791c904c208edeb6e9868db9123d45b4f6ca6b68635"` [INFO] [stdout] 3a0539b5c34aabf0c1362791c904c208edeb6e9868db9123d45b4f6ca6b68635