[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#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua_luarocks" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jugglerchris/rlua_luarocks on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.28
[INFO] [stderr]   Downloaded rlua v0.19.7
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded rlua-lua54-sys v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18126ef71c5aa5aa6bfe884b8a6868f6c7e4b3cec35b67bb975aad6b052e7343
[INFO] running `Command { std: "docker" "start" "-a" "18126ef71c5aa5aa6bfe884b8a6868f6c7e4b3cec35b67bb975aad6b052e7343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18126ef71c5aa5aa6bfe884b8a6868f6c7e4b3cec35b67bb975aad6b052e7343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18126ef71c5aa5aa6bfe884b8a6868f6c7e4b3cec35b67bb975aad6b052e7343", kill_on_drop: false }`
[INFO] [stdout] 18126ef71c5aa5aa6bfe884b8a6868f6c7e4b3cec35b67bb975aad6b052e7343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae53931316f4438352668b4f2334cff25034086f95a4a7e3e100212dc5162efe
[INFO] running `Command { std: "docker" "start" "-a" "ae53931316f4438352668b4f2334cff25034086f95a4a7e3e100212dc5162efe", 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]    Compiling rlua_luarocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking bstr v0.2.17
[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)]` (part of `#[warn(unused)]`) 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: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 11 -     std::mem::forget(_funcs);
[INFO] [stdout] 11 +     let _ = _funcs;
[INFO] [stdout]    |
[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)]` (part of `#[warn(unused)]`) 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: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 11 -     std::mem::forget(_funcs);
[INFO] [stdout] 11 +     let _ = _funcs;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.19.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ae53931316f4438352668b4f2334cff25034086f95a4a7e3e100212dc5162efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae53931316f4438352668b4f2334cff25034086f95a4a7e3e100212dc5162efe", kill_on_drop: false }`
[INFO] [stdout] ae53931316f4438352668b4f2334cff25034086f95a4a7e3e100212dc5162efe