[INFO] fetching crate tlua 0.6.1...
[INFO] testing tlua-0.6.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tlua 0.6.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate tlua 0.6.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tlua 0.6.1
[INFO] finished tweaking crates.io crate tlua 0.6.1
[INFO] tweaked toml for crates.io crate tlua 0.6.1 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7200064115b3f0b8a4e7f83a444993275fd76cabddaabb4c19472826a18ed988
[INFO] running `Command { std: "docker" "start" "-a" "7200064115b3f0b8a4e7f83a444993275fd76cabddaabb4c19472826a18ed988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7200064115b3f0b8a4e7f83a444993275fd76cabddaabb4c19472826a18ed988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7200064115b3f0b8a4e7f83a444993275fd76cabddaabb4c19472826a18ed988", kill_on_drop: false }`
[INFO] [stdout] 7200064115b3f0b8a4e7f83a444993275fd76cabddaabb4c19472826a18ed988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b89388264496416bcdf7f9da2c130f1068bb802b2bde8f4a78aa08b32eeb1c6
[INFO] running `Command { std: "docker" "start" "-a" "5b89388264496416bcdf7f9da2c130f1068bb802b2bde8f4a78aa08b32eeb1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tlua-derive v0.1.1
[INFO] [stderr]    Compiling tlua v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/macros.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |               unsafe {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/functions_write.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 427 | /     unsafe extern "C" fn trampoline<F, R>(l: LuaState) -> i32
[INFO] [stdout] 428 | |     where
[INFO] [stdout] 429 | |         F: FnOnce(StaticLua) -> R,
[INFO] [stdout]     | |__________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 434 |               .unwrap_or_else(|| error!(l, "userdata is null"));
[INFO] [stdout]     |                                  ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
[INFO] [stdout]     = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "5b89388264496416bcdf7f9da2c130f1068bb802b2bde8f4a78aa08b32eeb1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b89388264496416bcdf7f9da2c130f1068bb802b2bde8f4a78aa08b32eeb1c6", kill_on_drop: false }`
[INFO] [stdout] 5b89388264496416bcdf7f9da2c130f1068bb802b2bde8f4a78aa08b32eeb1c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576b9aa549519f259559ab732e6f2b14188b764b2464a04c1c02ede85c31f7db
[INFO] running `Command { std: "docker" "start" "-a" "576b9aa549519f259559ab732e6f2b14188b764b2464a04c1c02ede85c31f7db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "576b9aa549519f259559ab732e6f2b14188b764b2464a04c1c02ede85c31f7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576b9aa549519f259559ab732e6f2b14188b764b2464a04c1c02ede85c31f7db", kill_on_drop: false }`
[INFO] [stdout] 576b9aa549519f259559ab732e6f2b14188b764b2464a04c1c02ede85c31f7db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7f012d348ea016294f402873a113238d1efe9f6693f74bbf9bed11c89bdd7e2
[INFO] running `Command { std: "docker" "start" "-a" "e7f012d348ea016294f402873a113238d1efe9f6693f74bbf9bed11c89bdd7e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "e7f012d348ea016294f402873a113238d1efe9f6693f74bbf9bed11c89bdd7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f012d348ea016294f402873a113238d1efe9f6693f74bbf9bed11c89bdd7e2", kill_on_drop: false }`
[INFO] [stdout] e7f012d348ea016294f402873a113238d1efe9f6693f74bbf9bed11c89bdd7e2