[INFO] fetching crate ilp-packet 0.3.0...
[INFO] checking ilp-packet-0.3.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate ilp-packet 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ilp-packet 0.3.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding hex v0.3.2 (latest: v0.4.3)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.56.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 857a3553ab85b539b40640583549c6902222f3b307c5ca9d4684fee9d460f499
[INFO] running `Command { std: "docker" "start" "-a" "857a3553ab85b539b40640583549c6902222f3b307c5ca9d4684fee9d460f499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857a3553ab85b539b40640583549c6902222f3b307c5ca9d4684fee9d460f499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857a3553ab85b539b40640583549c6902222f3b307c5ca9d4684fee9d460f499", kill_on_drop: false }`
[INFO] [stdout] 857a3553ab85b539b40640583549c6902222f3b307c5ca9d4684fee9d460f499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32bcbc0b3856d08de89e142f628bfcc910424b727dd11c91c960fff8dd45beeb
[INFO] running `Command { std: "docker" "start" "-a" "32bcbc0b3856d08de89e142f628bfcc910424b727dd11c91c960fff8dd45beeb", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking ilp-packet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/oer.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |         return Ok(&empty.to_owned());
[INFO] [stdout]    |                ^^^^----------------^
[INFO] [stdout]    |                |   |
[INFO] [stdout]    |                |   temporary value created here
[INFO] [stdout]    |                returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ilp-packet` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/oer.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |         return Ok(&empty.to_owned());
[INFO] [stdout]    |                ^^^^----------------^
[INFO] [stdout]    |                |   |
[INFO] [stdout]    |                |   temporary value created here
[INFO] [stdout]    |                returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ilp-packet` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "32bcbc0b3856d08de89e142f628bfcc910424b727dd11c91c960fff8dd45beeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bcbc0b3856d08de89e142f628bfcc910424b727dd11c91c960fff8dd45beeb", kill_on_drop: false }`
[INFO] [stdout] 32bcbc0b3856d08de89e142f628bfcc910424b727dd11c91c960fff8dd45beeb
[INFO] checking ilp-packet-0.3.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate ilp-packet 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ilp-packet 0.3.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding hex v0.3.2 (latest: v0.4.3)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.56.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9b6fd41fb7f4d5ea63a8abf8201553b10d49c17060ba1368ce153a3e986224
[INFO] running `Command { std: "docker" "start" "-a" "3d9b6fd41fb7f4d5ea63a8abf8201553b10d49c17060ba1368ce153a3e986224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9b6fd41fb7f4d5ea63a8abf8201553b10d49c17060ba1368ce153a3e986224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9b6fd41fb7f4d5ea63a8abf8201553b10d49c17060ba1368ce153a3e986224", kill_on_drop: false }`
[INFO] [stdout] 3d9b6fd41fb7f4d5ea63a8abf8201553b10d49c17060ba1368ce153a3e986224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd8eab118bc6f430a737e7556321eaf6297738dd380566a655c98b2ea7a7af4
[INFO] running `Command { std: "docker" "start" "-a" "dfd8eab118bc6f430a737e7556321eaf6297738dd380566a655c98b2ea7a7af4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "dfd8eab118bc6f430a737e7556321eaf6297738dd380566a655c98b2ea7a7af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd8eab118bc6f430a737e7556321eaf6297738dd380566a655c98b2ea7a7af4", kill_on_drop: false }`
[INFO] [stdout] dfd8eab118bc6f430a737e7556321eaf6297738dd380566a655c98b2ea7a7af4