[INFO] cloning repository https://github.com/FrancescoLuzzi/lua_integration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrancescoLuzzi/lua_integration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancescoLuzzi%2Flua_integration", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancescoLuzzi%2Flua_integration'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfc45c576f46765ca0eb6d628562527fd0e9fcdf
[INFO] checking FrancescoLuzzi/lua_integration against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancescoLuzzi%2Flua_integration" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrancescoLuzzi/lua_integration on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrancescoLuzzi/lua_integration
[INFO] finished tweaking git repo https://github.com/FrancescoLuzzi/lua_integration
[INFO] tweaked toml for git repo https://github.com/FrancescoLuzzi/lua_integration written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FrancescoLuzzi/lua_integration 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua-sys v0.5.0
[INFO] [stderr]   Downloaded mlua v0.9.4
[INFO] [stderr]   Downloaded lua-src v546.0.2
[INFO] [stderr]   Downloaded luajit-src v210.5.4+c525bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca043b1e1fe51ced6f8a1208ca68dd2541c4d909dcca4560397ce6493be5503a
[INFO] running `Command { std: "docker" "start" "-a" "ca043b1e1fe51ced6f8a1208ca68dd2541c4d909dcca4560397ce6493be5503a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca043b1e1fe51ced6f8a1208ca68dd2541c4d909dcca4560397ce6493be5503a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca043b1e1fe51ced6f8a1208ca68dd2541c4d909dcca4560397ce6493be5503a", kill_on_drop: false }`
[INFO] [stdout] ca043b1e1fe51ced6f8a1208ca68dd2541c4d909dcca4560397ce6493be5503a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e84eab952cbbcf5d0c752b8119a273826fc505be5edbe3afaf56983f29abfca
[INFO] running `Command { std: "docker" "start" "-a" "7e84eab952cbbcf5d0c752b8119a273826fc505be5edbe3afaf56983f29abfca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling lua-src v546.0.2
[INFO] [stderr]    Compiling which v5.0.0
[INFO] [stderr]    Compiling luajit-src v210.5.4+c525bcb
[INFO] [stderr]    Compiling mlua-sys v0.5.0
[INFO] [stderr]     Checking mlua v0.9.4
[INFO] [stderr]     Checking lua_integration v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mlua` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mlua::{self, IntoLua, Lua, Value};
[INFO] [stdout]   |            ^^^^ the item `mlua` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mlua` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mlua::{self, IntoLua, Lua, Value};
[INFO] [stdout]   |            ^^^^ the item `mlua` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "7e84eab952cbbcf5d0c752b8119a273826fc505be5edbe3afaf56983f29abfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e84eab952cbbcf5d0c752b8119a273826fc505be5edbe3afaf56983f29abfca", kill_on_drop: false }`
[INFO] [stdout] 7e84eab952cbbcf5d0c752b8119a273826fc505be5edbe3afaf56983f29abfca