[INFO] fetching crate rlua-builders 0.1.4...
[INFO] building rlua-builders-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rlua-builders 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rlua-builders 0.1.4
[INFO] finished tweaking crates.io crate rlua-builders 0.1.4
[INFO] tweaked toml for crates.io crate rlua-builders 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlua-builders 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rlua v0.17.1 (available: v0.20.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c89e63319fb023ed38ca4645a8fa8a50a600a382cc0eca75ba80f664a59a1e6
[INFO] running `Command { std: "docker" "start" "-a" "7c89e63319fb023ed38ca4645a8fa8a50a600a382cc0eca75ba80f664a59a1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c89e63319fb023ed38ca4645a8fa8a50a600a382cc0eca75ba80f664a59a1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c89e63319fb023ed38ca4645a8fa8a50a600a382cc0eca75ba80f664a59a1e6", kill_on_drop: false }`
[INFO] [stdout] 7c89e63319fb023ed38ca4645a8fa8a50a600a382cc0eca75ba80f664a59a1e6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 870c2f34efb9a5b5293c65cb6a1d7d8e4dfdb2fca6e8252f60472a51926c0bd5
[INFO] running `Command { std: "docker" "start" "-a" "870c2f34efb9a5b5293c65cb6a1d7d8e4dfdb2fca6e8252f60472a51926c0bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rlua-builders-derive v0.1.4
[INFO] [stderr]    Compiling rlua-builders v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "870c2f34efb9a5b5293c65cb6a1d7d8e4dfdb2fca6e8252f60472a51926c0bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870c2f34efb9a5b5293c65cb6a1d7d8e4dfdb2fca6e8252f60472a51926c0bd5", kill_on_drop: false }`
[INFO] [stdout] 870c2f34efb9a5b5293c65cb6a1d7d8e4dfdb2fca6e8252f60472a51926c0bd5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27f9549f8f756ce0c9bc025789b38f693ea90abd77f2abdad9a7119e518bcd00
[INFO] running `Command { std: "docker" "start" "-a" "27f9549f8f756ce0c9bc025789b38f693ea90abd77f2abdad9a7119e518bcd00", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua-builders v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/success_tests.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/success_tests.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]   --> tests/success_tests.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     struct B;
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> tests/success_tests.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     struct A(B);
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "27f9549f8f756ce0c9bc025789b38f693ea90abd77f2abdad9a7119e518bcd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f9549f8f756ce0c9bc025789b38f693ea90abd77f2abdad9a7119e518bcd00", kill_on_drop: false }`
[INFO] [stdout] 27f9549f8f756ce0c9bc025789b38f693ea90abd77f2abdad9a7119e518bcd00