[INFO] fetching crate rudeboy 0.2.0...
[INFO] checking rudeboy-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rudeboy 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rudeboy 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudeboy 0.2.0
[INFO] finished tweaking crates.io crate rudeboy 0.2.0
[INFO] tweaked toml for crates.io crate rudeboy 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bstr v0.2.17 (latest: v1.9.1)
[INFO] [stderr]       Adding rlua v0.17.1 (latest: v0.20.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rudeboy-derive v0.2.0
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03d1093ff889def69cecc1ef45ef25946f5eeaade488f680fbcb5cdc734839f1
[INFO] running `Command { std: "docker" "start" "-a" "03d1093ff889def69cecc1ef45ef25946f5eeaade488f680fbcb5cdc734839f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d1093ff889def69cecc1ef45ef25946f5eeaade488f680fbcb5cdc734839f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d1093ff889def69cecc1ef45ef25946f5eeaade488f680fbcb5cdc734839f1", kill_on_drop: false }`
[INFO] [stdout] 03d1093ff889def69cecc1ef45ef25946f5eeaade488f680fbcb5cdc734839f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495a22dd8a46e3f4288a9fc5235e38772c7b3bdb2685979fa145fad332e12380
[INFO] running `Command { std: "docker" "start" "-a" "495a22dd8a46e3f4288a9fc5235e38772c7b3bdb2685979fa145fad332e12380", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling rudeboy-derive v0.2.0
[INFO] [stderr]     Checking rudeboy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "495a22dd8a46e3f4288a9fc5235e38772c7b3bdb2685979fa145fad332e12380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495a22dd8a46e3f4288a9fc5235e38772c7b3bdb2685979fa145fad332e12380", kill_on_drop: false }`
[INFO] [stdout] 495a22dd8a46e3f4288a9fc5235e38772c7b3bdb2685979fa145fad332e12380
[INFO] checking rudeboy-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rudeboy 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rudeboy 0.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudeboy 0.2.0
[INFO] finished tweaking crates.io crate rudeboy 0.2.0
[INFO] tweaked toml for crates.io crate rudeboy 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bstr v0.2.17 (latest: v1.9.1)
[INFO] [stderr]       Adding rlua v0.17.1 (latest: v0.20.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7942c95e4123733bb0b9430f7885f0be10f6bcdce96b20ddc5e71d73712daf33
[INFO] running `Command { std: "docker" "start" "-a" "7942c95e4123733bb0b9430f7885f0be10f6bcdce96b20ddc5e71d73712daf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7942c95e4123733bb0b9430f7885f0be10f6bcdce96b20ddc5e71d73712daf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7942c95e4123733bb0b9430f7885f0be10f6bcdce96b20ddc5e71d73712daf33", kill_on_drop: false }`
[INFO] [stdout] 7942c95e4123733bb0b9430f7885f0be10f6bcdce96b20ddc5e71d73712daf33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ae63704d173e096f32416df60cda36f3049752b6280e4e881aff418434cb3c5
[INFO] running `Command { std: "docker" "start" "-a" "1ae63704d173e096f32416df60cda36f3049752b6280e4e881aff418434cb3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling rudeboy-derive v0.2.0
[INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.17.1/src/context.rs:919:14
[INFO] [stdout]     |
[INFO] [stdout] 919 |         self.call(())?;
[INFO] [stdout]     |              ^^^^ the trait `UserData` is not implemented for `!`, which is required by `!: FromLuaMulti<'_>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `FromLuaMulti<'lua>`:
[INFO] [stdout]               ()
[INFO] [stdout]               (A,)
[INFO] [stdout]               (B, A)
[INFO] [stdout]               (B, C, A)
[INFO] [stdout]               (B, C, D, A)
[INFO] [stdout]               (B, C, D, E, A)
[INFO] [stdout]               (B, C, D, E, F, A)
[INFO] [stdout]               (B, C, D, E, F, G, A)
[INFO] [stdout]             and 11 others
[INFO] [stdout] note: required for `!` to implement `FromLua<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.17.1/src/conversion.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<'lua, T: 'static + UserData + Clone> FromLua<'lua> for T {
[INFO] [stdout]     |                         --------          ^^^^^^^^^^^^^     ^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unsatisfied trait bound introduced here
[INFO] [stdout] note: required for `!` to implement `FromLuaMulti<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.17.1/src/multi.rs:35:30
[INFO] [stdout]     |
[INFO] [stdout] 35  | impl<'lua, T: FromLua<'lua>> FromLuaMulti<'lua> for T {
[INFO] [stdout]     |               -------------  ^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               unsatisfied trait bound introduced here
[INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.17.1/src/context.rs:947:41
[INFO] [stdout]     |
[INFO] [stdout] 947 |     pub fn call<A: ToLuaMulti<'lua>, R: FromLuaMulti<'lua>>(self, args: A) -> Result<R> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: rlua@0.17.1: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rlua` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1ae63704d173e096f32416df60cda36f3049752b6280e4e881aff418434cb3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae63704d173e096f32416df60cda36f3049752b6280e4e881aff418434cb3c5", kill_on_drop: false }`
[INFO] [stdout] 1ae63704d173e096f32416df60cda36f3049752b6280e4e881aff418434cb3c5