[INFO] fetching crate lua_wrapper 0.1.0...
[INFO] checking lua_wrapper-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate lua_wrapper 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lua_wrapper 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lua_wrapper 0.1.0
[INFO] finished tweaking crates.io crate lua_wrapper 0.1.0
[INFO] tweaked toml for crates.io crate lua_wrapper 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8747dada824b961e7b3c3ba247510220d3306bea7b4b91a0faf3a763b0a66eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8747dada824b961e7b3c3ba247510220d3306bea7b4b91a0faf3a763b0a66eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8747dada824b961e7b3c3ba247510220d3306bea7b4b91a0faf3a763b0a66eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8747dada824b961e7b3c3ba247510220d3306bea7b4b91a0faf3a763b0a66eb", kill_on_drop: false }`
[INFO] [stdout] f8747dada824b961e7b3c3ba247510220d3306bea7b4b91a0faf3a763b0a66eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 555ed05c7dc4eac537815b1dadb9d35ef420a03837bd14150a96b9dbb67f6c7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "555ed05c7dc4eac537815b1dadb9d35ef420a03837bd14150a96b9dbb67f6c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua v0.15.3
[INFO] [stderr]     Checking lua_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Lua` in the crate root
[INFO] [stdout]   --> src/lib.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn setup_lua() -> crate::Lua {
[INFO] [stdout]    |                              ^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use rlua::Lua;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Lua` in the crate root
[INFO] [stdout]   --> src/lib.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let lua_inst = crate::Lua::new();
[INFO] [stdout]    |                               ^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::tests::Lua;
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use rlua::Lua;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::Lua`
[INFO] [stdout]   --> src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use rlua::Lua;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lua_wrapper`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "555ed05c7dc4eac537815b1dadb9d35ef420a03837bd14150a96b9dbb67f6c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555ed05c7dc4eac537815b1dadb9d35ef420a03837bd14150a96b9dbb67f6c7e", kill_on_drop: false }`
[INFO] [stdout] 555ed05c7dc4eac537815b1dadb9d35ef420a03837bd14150a96b9dbb67f6c7e