[INFO] crate ilp-packet 0.3.0 is already in cache
[INFO] checking ilp-packet-0.3.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[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 fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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=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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 6142f56f017e7966ca306a9339192f81cc1ea5fcf5eb9855603eff10915b3850
[INFO] running `"docker" "start" "-a" "6142f56f017e7966ca306a9339192f81cc1ea5fcf5eb9855603eff10915b3850"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ilp-packet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Other(err: Box<std::error::Error>) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Other(err: Box<std::error::Error>) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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[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: could not compile `ilp-packet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "6142f56f017e7966ca306a9339192f81cc1ea5fcf5eb9855603eff10915b3850"`
[INFO] running `"docker" "rm" "-f" "6142f56f017e7966ca306a9339192f81cc1ea5fcf5eb9855603eff10915b3850"`
[INFO] [stdout] 6142f56f017e7966ca306a9339192f81cc1ea5fcf5eb9855603eff10915b3850