[INFO] cloning repository https://github.com/soniceroy/RustBlockchain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soniceroy/RustBlockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoniceroy%2FRustBlockchain"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoniceroy%2FRustBlockchain'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c33433ce9ef133f14b9a808520b6b0bc275bbc9b
[INFO] checking soniceroy/RustBlockchain against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoniceroy%2FRustBlockchain" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soniceroy/RustBlockchain on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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 /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/soniceroy/RustBlockchain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2a666fc03fd556452534fdcb267c9d7525665e4c16e699b8d5b6b812982bc1d
[INFO] running `"docker" "start" "-a" "b2a666fc03fd556452534fdcb267c9d7525665e4c16e699b8d5b6b812982bc1d"`
[INFO] [stderr]     Checking 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]   --> src/main.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.chain.push(new_block);
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    = note: expected  `Block<'a>`
[INFO] [stderr]               found  `Block<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0495`.
[INFO] [stderr] error: could not compile `blockchain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]   --> src/main.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.chain.push(new_block);
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    = note: expected  `Block<'a>`
[INFO] [stderr]               found  `Block<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0495`.
[INFO] [stderr] error: could not compile `blockchain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b2a666fc03fd556452534fdcb267c9d7525665e4c16e699b8d5b6b812982bc1d"`
[INFO] running `"docker" "rm" "-f" "b2a666fc03fd556452534fdcb267c9d7525665e4c16e699b8d5b6b812982bc1d"`
[INFO] [stdout] b2a666fc03fd556452534fdcb267c9d7525665e4c16e699b8d5b6b812982bc1d