[INFO] cloning repository https://github.com/jugglerchris/rlua_luarocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jugglerchris/rlua_luarocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua_luarocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua_luarocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56e6a6d7233949d7c9df925dd34d0b1caa1a212e
[INFO] checking jugglerchris/rlua_luarocks against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua_luarocks" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jugglerchris/rlua_luarocks 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/jugglerchris/rlua_luarocks
[INFO] finished tweaking git repo https://github.com/jugglerchris/rlua_luarocks
[INFO] tweaked toml for git repo https://github.com/jugglerchris/rlua_luarocks written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jugglerchris/rlua_luarocks 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e85c3c73d8fb1ce3359a1d67998159c22aaad6c3fe1e4686ddbd2e0e94446829
[INFO] running `Command { std: "docker" "start" "-a" "e85c3c73d8fb1ce3359a1d67998159c22aaad6c3fe1e4686ddbd2e0e94446829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85c3c73d8fb1ce3359a1d67998159c22aaad6c3fe1e4686ddbd2e0e94446829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85c3c73d8fb1ce3359a1d67998159c22aaad6c3fe1e4686ddbd2e0e94446829", kill_on_drop: false }`
[INFO] [stdout] e85c3c73d8fb1ce3359a1d67998159c22aaad6c3fe1e4686ddbd2e0e94446829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bbb3db4866ae278e038ab7f15d71d1844e85cd7cc01a82ff64ec6e772411df11
[INFO] running `Command { std: "docker" "start" "-a" "bbb3db4866ae278e038ab7f15d71d1844e85cd7cc01a82ff64ec6e772411df11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rlua v0.19.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rlua_luarocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.6
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/main.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::{Lua, MultiValue, Value, ToLua};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/main.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::{Lua, MultiValue, Value, ToLua};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     std::mem::forget(_funcs);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&[*const extern "C" fn()]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     std::mem::forget(_funcs);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&[*const extern "C" fn()]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "bbb3db4866ae278e038ab7f15d71d1844e85cd7cc01a82ff64ec6e772411df11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb3db4866ae278e038ab7f15d71d1844e85cd7cc01a82ff64ec6e772411df11", kill_on_drop: false }`
[INFO] [stdout] bbb3db4866ae278e038ab7f15d71d1844e85cd7cc01a82ff64ec6e772411df11