[INFO] updating cached repository https://github.com/soniceroy/RustBlockchain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c33433ce9ef133f14b9a808520b6b0bc275bbc9b
[INFO] testing soniceroy/RustBlockchain against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoniceroy%2FRustBlockchain" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soniceroy/RustBlockchain on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/soniceroy/RustBlockchain
[INFO] finished tweaking git repo https://github.com/soniceroy/RustBlockchain
[INFO] tweaked toml for git repo https://github.com/soniceroy/RustBlockchain written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/soniceroy/RustBlockchain already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4a8be8da03e2f55df984dca43b9d23835ca9a11d381b5627e1404b9bd101ac87
[INFO] running `"docker" "start" "-a" "4a8be8da03e2f55df984dca43b9d23835ca9a11d381b5627e1404b9bd101ac87"`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
[INFO] [stderr]   --> src/main.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let new_block = Block::new(0, self.current_transactions, 100, 0);
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 57:2...
[INFO] [stderr]   --> src/main.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |       fn new_block(&mut self) {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 58 | |
[INFO] [stderr] 59 | |         let new_block = Block::new(0, self.current_transactions, 100, 0);
[INFO] [stderr] 60 | |         self.chain.push(new_block);
[INFO] [stderr] 61 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] note: ...so that reference does not outlive borrowed content
[INFO] [stderr]   --> src/main.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let new_block = Block::new(0, self.current_transactions, 100, 0);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: but, the lifetime must be valid for the lifetime 'a as defined on the impl at 50:7...
[INFO] [stderr]   --> src/main.rs:50:7
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl <'a>Blockchain<'a> {
[INFO] [stderr]    |       ^^
[INFO] [stderr]    = note: ...so that the expression is assignable:
[INFO] [stderr]            expected Block<'a>
[INFO] [stderr]               found Block<'_>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `blockchain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4a8be8da03e2f55df984dca43b9d23835ca9a11d381b5627e1404b9bd101ac87"`
[INFO] running `"docker" "rm" "-f" "4a8be8da03e2f55df984dca43b9d23835ca9a11d381b5627e1404b9bd101ac87"`
[INFO] [stdout] 4a8be8da03e2f55df984dca43b9d23835ca9a11d381b5627e1404b9bd101ac87