[INFO] crate ilp-packet 0.3.0 is already in cache
[INFO] checking ilp-packet-0.3.0 against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-65897-1
[INFO] extracting crate ilp-packet 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ilp-packet 0.3.0 on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ilp-packet 0.3.0
[INFO] finished tweaking crates.io crate ilp-packet 0.3.0
[INFO] tweaked toml for crates.io crate ilp-packet 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=allow" "-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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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] a00c043a6ee9406ce31ba09678c75043b69349aadb8f5926f6e679d693840c25
[INFO] running `"docker" "start" "-a" "a00c043a6ee9406ce31ba09678c75043b69349aadb8f5926f6e679d693840c25"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ilp-packet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/oer.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(&empty.to_owned());
[INFO] [stderr]    |                ^^^^----------------^
[INFO] [stderr]    |                |   |
[INFO] [stderr]    |                |   temporary value created here
[INFO] [stderr]    |                returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0515`.
[INFO] [stderr] error: could not compile `ilp-packet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0515]: cannot return value referencing temporary value
[INFO] [stderr]   --> src/oer.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(&empty.to_owned());
[INFO] [stderr]    |                ^^^^----------------^
[INFO] [stderr]    |                |   |
[INFO] [stderr]    |                |   temporary value created here
[INFO] [stderr]    |                returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0515`.
[INFO] [stderr] error: could not compile `ilp-packet`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a00c043a6ee9406ce31ba09678c75043b69349aadb8f5926f6e679d693840c25"`
[INFO] running `"docker" "rm" "-f" "a00c043a6ee9406ce31ba09678c75043b69349aadb8f5926f6e679d693840c25"`
[INFO] [stdout] a00c043a6ee9406ce31ba09678c75043b69349aadb8f5926f6e679d693840c25