[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] testing jugglerchris/rlua_luarocks against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua_luarocks" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jugglerchris/rlua_luarocks on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "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-6-tc2/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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlua v0.19.7
[INFO] [stderr]   Downloaded rlua-lua54-sys v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0195d1ec6792d3e76b649bcbdaca85626fb5dd25012052f7fc63425e27f853bb
[INFO] running `Command { std: "docker" "start" "-a" "0195d1ec6792d3e76b649bcbdaca85626fb5dd25012052f7fc63425e27f853bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0195d1ec6792d3e76b649bcbdaca85626fb5dd25012052f7fc63425e27f853bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0195d1ec6792d3e76b649bcbdaca85626fb5dd25012052f7fc63425e27f853bb", kill_on_drop: false }`
[INFO] [stdout] 0195d1ec6792d3e76b649bcbdaca85626fb5dd25012052f7fc63425e27f853bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c320301c3f6d5dfdf7d9ea1cf1359f4d45e225b8021fcccf494dc20cca65e6f
[INFO] running `Command { std: "docker" "start" "-a" "2c320301c3f6d5dfdf7d9ea1cf1359f4d45e225b8021fcccf494dc20cca65e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling 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 bitflags v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling 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: 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 9.43s
[INFO] running `Command { std: "docker" "inspect" "2c320301c3f6d5dfdf7d9ea1cf1359f4d45e225b8021fcccf494dc20cca65e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c320301c3f6d5dfdf7d9ea1cf1359f4d45e225b8021fcccf494dc20cca65e6f", kill_on_drop: false }`
[INFO] [stdout] 2c320301c3f6d5dfdf7d9ea1cf1359f4d45e225b8021fcccf494dc20cca65e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5e4c8375b3c75265f4de41746a5108b53eec3fdcfd650a9a8aa8de15b9a3e9
[INFO] running `Command { std: "docker" "start" "-a" "fc5e4c8375b3c75265f4de41746a5108b53eec3fdcfd650a9a8aa8de15b9a3e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua_luarocks v0.1.0 (/opt/rustwide/workdir)
[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: `#[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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "fc5e4c8375b3c75265f4de41746a5108b53eec3fdcfd650a9a8aa8de15b9a3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5e4c8375b3c75265f4de41746a5108b53eec3fdcfd650a9a8aa8de15b9a3e9", kill_on_drop: false }`
[INFO] [stdout] fc5e4c8375b3c75265f4de41746a5108b53eec3fdcfd650a9a8aa8de15b9a3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 125002ee1c5e8e014051f8ee8ac109ce515c1e193682da09e8e278da04f5d75f
[INFO] running `Command { std: "docker" "start" "-a" "125002ee1c5e8e014051f8ee8ac109ce515c1e193682da09e8e278da04f5d75f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rlua::{Lua, MultiValue, Value, ToLua};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     std::mem::forget(_funcs);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^------^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      argument has type `&[*const extern "C" fn()]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 11 -     std::mem::forget(_funcs);
[INFO] [stderr] 11 +     let _ = _funcs;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rlua_luarocks` (bin "rlua_luarocks" test) generated 2 warnings (run `cargo fix --bin "rlua_luarocks" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlua_luarocks-0c4d2c4c41d703b8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "125002ee1c5e8e014051f8ee8ac109ce515c1e193682da09e8e278da04f5d75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125002ee1c5e8e014051f8ee8ac109ce515c1e193682da09e8e278da04f5d75f", kill_on_drop: false }`
[INFO] [stdout] 125002ee1c5e8e014051f8ee8ac109ce515c1e193682da09e8e278da04f5d75f