[INFO] cloning repository https://github.com/vangroan/grok-mlua [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vangroan/grok-mlua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-mlua", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-mlua'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 639eb09624d4c1db445336cc26a75baedace67d2 [INFO] checking vangroan/grok-mlua against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-mlua" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vangroan/grok-mlua 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 git repo https://github.com/vangroan/grok-mlua [INFO] finished tweaking git repo https://github.com/vangroan/grok-mlua [INFO] tweaked toml for git repo https://github.com/vangroan/grok-mlua written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vangroan/grok-mlua 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mlua v0.8.2 [INFO] [stderr] Downloaded lua-src v544.0.1 [INFO] [stderr] Downloaded luajit-src v210.4.1+restyaa7a722 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1c23b10a3e9f89573921f93f6f02d76dac4309fcc86e2a68b0c03d1342f0df40 [INFO] running `Command { std: "docker" "start" "-a" "1c23b10a3e9f89573921f93f6f02d76dac4309fcc86e2a68b0c03d1342f0df40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c23b10a3e9f89573921f93f6f02d76dac4309fcc86e2a68b0c03d1342f0df40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c23b10a3e9f89573921f93f6f02d76dac4309fcc86e2a68b0c03d1342f0df40", kill_on_drop: false }` [INFO] [stdout] 1c23b10a3e9f89573921f93f6f02d76dac4309fcc86e2a68b0c03d1342f0df40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9ff71a601deadf5aebfa6b1141ae0b9f570e4aae023109d73d7f45c23218c10a [INFO] running `Command { std: "docker" "start" "-a" "9ff71a601deadf5aebfa6b1141ae0b9f570e4aae023109d73d7f45c23218c10a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cgmath v0.18.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling luajit-src v210.4.1+restyaa7a722 [INFO] [stderr] Compiling lua-src v544.0.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling mlua v0.8.2 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking hello-mlua v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `LuaOptions` is imported redundantly [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use mlua::{prelude::*, LuaOptions, StdLib}; [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `LuaOptions` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `LuaOptions` is imported redundantly [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use mlua::{prelude::*, LuaOptions, StdLib}; [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `LuaOptions` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.77s [INFO] running `Command { std: "docker" "inspect" "9ff71a601deadf5aebfa6b1141ae0b9f570e4aae023109d73d7f45c23218c10a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ff71a601deadf5aebfa6b1141ae0b9f570e4aae023109d73d7f45c23218c10a", kill_on_drop: false }` [INFO] [stdout] 9ff71a601deadf5aebfa6b1141ae0b9f570e4aae023109d73d7f45c23218c10a [INFO] checking vangroan/grok-mlua against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-mlua" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vangroan/grok-mlua 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 git repo https://github.com/vangroan/grok-mlua [INFO] finished tweaking git repo https://github.com/vangroan/grok-mlua [INFO] tweaked toml for git repo https://github.com/vangroan/grok-mlua written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vangroan/grok-mlua 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 096ff9ecb68ec48591504d1811b779cc84198eb8a8cd6247c34fe74ca1f25d90 [INFO] running `Command { std: "docker" "start" "-a" "096ff9ecb68ec48591504d1811b779cc84198eb8a8cd6247c34fe74ca1f25d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "096ff9ecb68ec48591504d1811b779cc84198eb8a8cd6247c34fe74ca1f25d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "096ff9ecb68ec48591504d1811b779cc84198eb8a8cd6247c34fe74ca1f25d90", kill_on_drop: false }` [INFO] [stdout] 096ff9ecb68ec48591504d1811b779cc84198eb8a8cd6247c34fe74ca1f25d90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3c7f47d2429dca58ef63fc517dfc3d71482897e36c917dcf5f85165c3cb49660 [INFO] running `Command { std: "docker" "start" "-a" "3c7f47d2429dca58ef63fc517dfc3d71482897e36c917dcf5f85165c3cb49660", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cgmath v0.18.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling lua-src v544.0.1 [INFO] [stderr] Compiling luajit-src v210.4.1+restyaa7a722 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling mlua v0.8.2 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.8.2/src/chunk.rs:289:14 [INFO] [stdout] | [INFO] [stdout] 289 | 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/mlua-0.8.2/src/conversion.rs:148:43 [INFO] [stdout] | [INFO] [stdout] 148 | 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/mlua-0.8.2/src/multi.rs:37:30 [INFO] [stdout] | [INFO] [stdout] 37 | 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/mlua-0.8.2/src/chunk.rs:354:41 [INFO] [stdout] | [INFO] [stdout] 354 | pub fn call, R: FromLuaMulti<'lua>>(self, args: A) -> Result { [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] error: could not compile `mlua` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3c7f47d2429dca58ef63fc517dfc3d71482897e36c917dcf5f85165c3cb49660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c7f47d2429dca58ef63fc517dfc3d71482897e36c917dcf5f85165c3cb49660", kill_on_drop: false }` [INFO] [stdout] 3c7f47d2429dca58ef63fc517dfc3d71482897e36c917dcf5f85165c3cb49660