[INFO] cloning repository https://github.com/JohnDog3112/javascript-hex-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnDog3112/javascript-hex-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDog3112%2Fjavascript-hex-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDog3112%2Fjavascript-hex-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d750b2420164ffb227c0c43cef855c9782484be
[INFO] checking JohnDog3112/javascript-hex-renderer against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDog3112%2Fjavascript-hex-renderer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnDog3112/javascript-hex-renderer 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/JohnDog3112/javascript-hex-renderer
[INFO] finished tweaking git repo https://github.com/JohnDog3112/javascript-hex-renderer
[INFO] tweaked toml for git repo https://github.com/JohnDog3112/javascript-hex-renderer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnDog3112/javascript-hex-renderer 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7640a39786cd8ccd1fd14bf5ebd078ffbba6555b1e7df0d0852e685903fd6c50
[INFO] running `Command { std: "docker" "start" "-a" "7640a39786cd8ccd1fd14bf5ebd078ffbba6555b1e7df0d0852e685903fd6c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7640a39786cd8ccd1fd14bf5ebd078ffbba6555b1e7df0d0852e685903fd6c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7640a39786cd8ccd1fd14bf5ebd078ffbba6555b1e7df0d0852e685903fd6c50", kill_on_drop: false }`
[INFO] [stdout] 7640a39786cd8ccd1fd14bf5ebd078ffbba6555b1e7df0d0852e685903fd6c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fbb3483e9776219fc92f73ae5d7e82b8580f805bed62e853afb9f8c4b625dbde
[INFO] running `Command { std: "docker" "start" "-a" "fbb3483e9776219fc92f73ae5d7e82b8580f805bed62e853afb9f8c4b625dbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.73
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.109
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]     Checking tiny-skia-path v0.11.3
[INFO] [stderr]    Compiling quote v1.0.34
[INFO] [stderr]    Compiling syn v2.0.45
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking tiny-skia v0.11.3
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking hex_renderer v0.2.4
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hex_renderer-0.2.4/src/pattern_utils/dynamic_list.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             &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] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hex_renderer` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fbb3483e9776219fc92f73ae5d7e82b8580f805bed62e853afb9f8c4b625dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb3483e9776219fc92f73ae5d7e82b8580f805bed62e853afb9f8c4b625dbde", kill_on_drop: false }`
[INFO] [stdout] fbb3483e9776219fc92f73ae5d7e82b8580f805bed62e853afb9f8c4b625dbde