[INFO] cloning repository https://github.com/gjf2a/advent2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gjf2a/advent2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fadvent2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fadvent2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e2ba23ab24ca91cfd248b0b0678cdf95fc60eb6
[INFO] checking gjf2a/advent2023 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjf2a%2Fadvent2023" "/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/gjf2a/advent2023 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 git repo https://github.com/gjf2a/advent2023
[INFO] finished tweaking git repo https://github.com/gjf2a/advent2023
[INFO] tweaked toml for git repo https://github.com/gjf2a/advent2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gjf2a/advent2023 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b5df940f63a15f3d8001d7c1c849ce99aa28cbad0946f55f278d43786af3e94
[INFO] running `Command { std: "docker" "start" "-a" "5b5df940f63a15f3d8001d7c1c849ce99aa28cbad0946f55f278d43786af3e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b5df940f63a15f3d8001d7c1c849ce99aa28cbad0946f55f278d43786af3e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5df940f63a15f3d8001d7c1c849ce99aa28cbad0946f55f278d43786af3e94", kill_on_drop: false }`
[INFO] [stdout] 5b5df940f63a15f3d8001d7c1c849ce99aa28cbad0946f55f278d43786af3e94
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc4ba03762cb3e53dbaa7d7cfb11954efb608a7c6c8b52cfcf91c60e42a19eb9
[INFO] running `Command { std: "docker" "start" "-a" "fc4ba03762cb3e53dbaa7d7cfb11954efb608a7c6c8b52cfcf91c60e42a19eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling priority-queue v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking common_macros v0.1.1
[INFO] [stderr]     Checking gapbuf v0.1.4
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking map-macro v0.2.6
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking bits v0.13.0 (https://github.com/gjf2a/bits#b56b79ab)
[INFO] [stderr]     Checking bare_metal_modulo v1.2.4
[INFO] [stderr]     Checking point_set v0.3.0 (https://github.com/gjf2a/point_set#892065cd)
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling trait-set v0.3.0
[INFO] [stderr]    Compiling derive-getters v0.3.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking hash_histogram v0.8.0
[INFO] [stderr]     Checking advent_code_lib v0.25.2 (https://github.com/gjf2a/advent_code_lib#c6416963)
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/advent_code_lib-d556975fa97adc59/c641696/src/searchers.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         self.parents.get(item).unwrap_or(&None)
[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] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_code_lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fc4ba03762cb3e53dbaa7d7cfb11954efb608a7c6c8b52cfcf91c60e42a19eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4ba03762cb3e53dbaa7d7cfb11954efb608a7c6c8b52cfcf91c60e42a19eb9", kill_on_drop: false }`
[INFO] [stdout] fc4ba03762cb3e53dbaa7d7cfb11954efb608a7c6c8b52cfcf91c60e42a19eb9