[INFO] cloning repository https://github.com/changyc9928/vehicle-routing-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/changyc9928/vehicle-routing-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchangyc9928%2Fvehicle-routing-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchangyc9928%2Fvehicle-routing-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc93945b4ca7f446af5551c0d0d9dd90e3fd5d5c
[INFO] checking changyc9928/vehicle-routing-problem against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchangyc9928%2Fvehicle-routing-problem" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/changyc9928/vehicle-routing-problem on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/changyc9928/vehicle-routing-problem
[INFO] finished tweaking git repo https://github.com/changyc9928/vehicle-routing-problem
[INFO] tweaked toml for git repo https://github.com/changyc9928/vehicle-routing-problem written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/changyc9928/vehicle-routing-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rudac v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3848c2aa3a2e5ee5b4891581ef988dd55ac46d494668a19f098df74c451ebaf9
[INFO] running `Command { std: "docker" "start" "-a" "3848c2aa3a2e5ee5b4891581ef988dd55ac46d494668a19f098df74c451ebaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3848c2aa3a2e5ee5b4891581ef988dd55ac46d494668a19f098df74c451ebaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3848c2aa3a2e5ee5b4891581ef988dd55ac46d494668a19f098df74c451ebaf9", kill_on_drop: false }`
[INFO] [stdout] 3848c2aa3a2e5ee5b4891581ef988dd55ac46d494668a19f098df74c451ebaf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676e7d83681d01b3edf2927647f73aa9ac92e73d2350a6c6dbb3a2d687878359
[INFO] running `Command { std: "docker" "start" "-a" "676e7d83681d01b3edf2927647f73aa9ac92e73d2350a6c6dbb3a2d687878359", kill_on_drop: false }`
[INFO] [stderr]     Checking rudac v0.8.3
[INFO] [stderr]     Checking big-pay-assessment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "676e7d83681d01b3edf2927647f73aa9ac92e73d2350a6c6dbb3a2d687878359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676e7d83681d01b3edf2927647f73aa9ac92e73d2350a6c6dbb3a2d687878359", kill_on_drop: false }`
[INFO] [stdout] 676e7d83681d01b3edf2927647f73aa9ac92e73d2350a6c6dbb3a2d687878359
[INFO] checking changyc9928/vehicle-routing-problem against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchangyc9928%2Fvehicle-routing-problem" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/changyc9928/vehicle-routing-problem on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/changyc9928/vehicle-routing-problem
[INFO] finished tweaking git repo https://github.com/changyc9928/vehicle-routing-problem
[INFO] tweaked toml for git repo https://github.com/changyc9928/vehicle-routing-problem written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/changyc9928/vehicle-routing-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca075cefe284ecb009eed6a68a8114b0b9198a108a4ff988e2683db3c6b9e9b
[INFO] running `Command { std: "docker" "start" "-a" "7ca075cefe284ecb009eed6a68a8114b0b9198a108a4ff988e2683db3c6b9e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca075cefe284ecb009eed6a68a8114b0b9198a108a4ff988e2683db3c6b9e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca075cefe284ecb009eed6a68a8114b0b9198a108a4ff988e2683db3c6b9e9b", kill_on_drop: false }`
[INFO] [stdout] 7ca075cefe284ecb009eed6a68a8114b0b9198a108a4ff988e2683db3c6b9e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e631a364a0a227f8a57ccf482cbd96f3c6e99b95999cf24a737864d5c552a240
[INFO] running `Command { std: "docker" "start" "-a" "e631a364a0a227f8a57ccf482cbd96f3c6e99b95999cf24a737864d5c552a240", kill_on_drop: false }`
[INFO] [stderr]     Checking rudac v0.8.3
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rudac-0.8.3/src/heap/binomial.rs:269:20
[INFO] [stdout]     |
[INFO] [stdout] 269 |             return &None;
[INFO] [stdout]     |                    ^----
[INFO] [stdout]     |                    ||
[INFO] [stdout]     |                    |temporary value created here
[INFO] [stdout]     |                    returns a reference to 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 `rudac` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e631a364a0a227f8a57ccf482cbd96f3c6e99b95999cf24a737864d5c552a240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e631a364a0a227f8a57ccf482cbd96f3c6e99b95999cf24a737864d5c552a240", kill_on_drop: false }`
[INFO] [stdout] e631a364a0a227f8a57ccf482cbd96f3c6e99b95999cf24a737864d5c552a240