[INFO] updating cached repository wwjei/my-rustling [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wwjei/my-rustling [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wwjei/my-rustling" "work/ex/beta-1.38-1/sources/1.37.0/gh/wwjei/my-rustling"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wwjei/my-rustling'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wwjei/my-rustling" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wwjei/my-rustling"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wwjei/my-rustling'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c1dbb365421a4badeec2889cbe2141cecba41e6 [INFO] sha for GitHub repo wwjei/my-rustling: 8c1dbb365421a4badeec2889cbe2141cecba41e6 [INFO] validating manifest of wwjei/my-rustling on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wwjei/my-rustling on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wwjei/my-rustling [INFO] finished frobbing wwjei/my-rustling [INFO] frobbed toml for wwjei/my-rustling written to work/ex/beta-1.38-1/sources/1.37.0/gh/wwjei/my-rustling/Cargo.toml [INFO] started frobbing wwjei/my-rustling [INFO] finished frobbing wwjei/my-rustling [INFO] frobbed toml for wwjei/my-rustling written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wwjei/my-rustling/Cargo.toml [INFO] crate wwjei/my-rustling already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing wwjei/my-rustling against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wwjei/my-rustling:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ebbef7789fb049d6a9d314c18ee38b7925225fdc0698fdfe0138a903c5383959 [INFO] running `"docker" "start" "-a" "ebbef7789fb049d6a9d314c18ee38b7925225fdc0698fdfe0138a903c5383959"` [INFO] [stderr] Compiling libc v0.2.37 [INFO] [stderr] Compiling num-traits v0.2.1 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling pest_derive v1.0.6 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling clap v2.30.0 [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling serde_json v1.0.10 [INFO] [stderr] Compiling regex v0.2.6 [INFO] [stderr] Compiling handlebars v0.32.0 [INFO] [stderr] Compiling prlink v0.1.0 (https://github.com/btbytes/prlink#f0536ed3) [INFO] [stderr] Compiling rustlings v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.36s [INFO] running `"docker" "inspect" "ebbef7789fb049d6a9d314c18ee38b7925225fdc0698fdfe0138a903c5383959"` [INFO] running `"docker" "rm" "-f" "ebbef7789fb049d6a9d314c18ee38b7925225fdc0698fdfe0138a903c5383959"` [INFO] [stdout] ebbef7789fb049d6a9d314c18ee38b7925225fdc0698fdfe0138a903c5383959 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wwjei/my-rustling:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] b72e46e3390f4c05a3e0bd89f580e4fd1ba0a3208b62dd6c7ac9c820c6e73add [INFO] running `"docker" "start" "-a" "b72e46e3390f4c05a3e0bd89f580e4fd1ba0a3208b62dd6c7ac9c820c6e73add"` [INFO] [stderr] Compiling rustlings v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: unexpected end of macro invocation [INFO] [stderr] --> tests/tests2.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | assert_eq!(); [INFO] [stderr] | ^^^^^^^^^^^^^ missing tokens in macro arguments [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> tests/tests4.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] error: macro requires a boolean expression as an argument [INFO] [stderr] --> tests/tests1.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | assert!(); [INFO] [stderr] | ^^^^^^^^^^ boolean expression required [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> tests/tests3.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: Could not compile `rustlings`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rustlings`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b72e46e3390f4c05a3e0bd89f580e4fd1ba0a3208b62dd6c7ac9c820c6e73add"` [INFO] running `"docker" "rm" "-f" "b72e46e3390f4c05a3e0bd89f580e4fd1ba0a3208b62dd6c7ac9c820c6e73add"` [INFO] [stdout] b72e46e3390f4c05a3e0bd89f580e4fd1ba0a3208b62dd6c7ac9c820c6e73add