[INFO] fetching crate patricia_router 0.1.1...
[INFO] checking patricia_router-0.1.1 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate patricia_router 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate patricia_router 0.1.1 on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate patricia_router 0.1.1
[INFO] finished tweaking crates.io crate patricia_router 0.1.1
[INFO] tweaked toml for crates.io crate patricia_router 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3cc1c7d13d528e2178adc5337d92cedf0778e692c72b9b5d9d7afb108475d2
[INFO] running `Command { std: "docker" "start" "-a" "7c3cc1c7d13d528e2178adc5337d92cedf0778e692c72b9b5d9d7afb108475d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3cc1c7d13d528e2178adc5337d92cedf0778e692c72b9b5d9d7afb108475d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3cc1c7d13d528e2178adc5337d92cedf0778e692c72b9b5d9d7afb108475d2", kill_on_drop: false }`
[INFO] [stdout] 7c3cc1c7d13d528e2178adc5337d92cedf0778e692c72b9b5d9d7afb108475d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cecdf9014c59c2edf4d20ddaf38001a6b5d92296a24a37ede007e6e89483b9b
[INFO] running `Command { std: "docker" "start" "-a" "5cecdf9014c59c2edf4d20ddaf38001a6b5d92296a24a37ede007e6e89483b9b", kill_on_drop: false }`
[INFO] [stderr]     Checking patricia_router v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/result.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         Self {
[INFO] [stdout] 18 | |             key: None,
[INFO] [stdout] 19 | |             nodes: Vec::<&'a Node<T>>::new(),
[INFO] [stdout] 20 | |             params: HashMap::new(),
[INFO] [stdout] 21 | |             payload: &None,
[INFO] [stdout]    | |                       ---- temporary value created here
[INFO] [stdout] 22 | |         }
[INFO] [stdout]    | |_________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/result.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         Self {
[INFO] [stdout] 18 | |             key: None,
[INFO] [stdout] 19 | |             nodes: Vec::<&'a Node<T>>::new(),
[INFO] [stdout] 20 | |             params: HashMap::new(),
[INFO] [stdout] 21 | |             payload: &None,
[INFO] [stdout]    | |                       ---- temporary value created here
[INFO] [stdout] 22 | |         }
[INFO] [stdout]    | |_________^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `patricia_router` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `patricia_router` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5cecdf9014c59c2edf4d20ddaf38001a6b5d92296a24a37ede007e6e89483b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cecdf9014c59c2edf4d20ddaf38001a6b5d92296a24a37ede007e6e89483b9b", kill_on_drop: false }`
[INFO] [stdout] 5cecdf9014c59c2edf4d20ddaf38001a6b5d92296a24a37ede007e6e89483b9b