[INFO] cloning repository https://github.com/memothelemo/ribbon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memothelemo/ribbon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemothelemo%2Fribbon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemothelemo%2Fribbon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1f6ef1b44640d401693b3fbb98afd37c8b26abf [INFO] checking memothelemo/ribbon against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemothelemo%2Fribbon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/memothelemo/ribbon 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/memothelemo/ribbon [INFO] finished tweaking git repo https://github.com/memothelemo/ribbon [INFO] tweaked toml for git repo https://github.com/memothelemo/ribbon written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/memothelemo/ribbon 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uuid v1.2.1 [INFO] [stderr] Downloaded mlua v0.8.5 [INFO] [stderr] Downloaded serde_json v1.0.87 [INFO] [stderr] Downloaded luau0-src v0.4.0+luau548 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d444a5b4ec4b83675b82c7928ac1cab99d2a9165d29e115dcdd6dbd434eaaf15 [INFO] running `Command { std: "docker" "start" "-a" "d444a5b4ec4b83675b82c7928ac1cab99d2a9165d29e115dcdd6dbd434eaaf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d444a5b4ec4b83675b82c7928ac1cab99d2a9165d29e115dcdd6dbd434eaaf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d444a5b4ec4b83675b82c7928ac1cab99d2a9165d29e115dcdd6dbd434eaaf15", kill_on_drop: false }` [INFO] [stdout] d444a5b4ec4b83675b82c7928ac1cab99d2a9165d29e115dcdd6dbd434eaaf15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bbccd5b67888e2f2ef85209ed8eaf155e0360ac5b61e879aab7d90857b33a963 [INFO] running `Command { std: "docker" "start" "-a" "bbccd5b67888e2f2ef85209ed8eaf155e0360ac5b61e879aab7d90857b33a963", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.74 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Compiling luau0-src v0.4.0+luau548 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling mlua v0.8.5 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.2.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ribbon-engine v0.1.0 (/opt/rustwide/workdir/engine) [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> engine/src/instance/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | self.ptr == other.ptr [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 56 | std::ptr::addr_eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~~~~~~~~~~ ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> engine/src/instance/lua.rs:47:16 [INFO] [stdout] | [INFO] [stdout] 47 | Ok(this.ptr == other.ptr) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 47 | Ok(std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())) [INFO] [stdout] | ++++++++++++++++++ ~~~~~~~~~~ ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> engine/src/instance/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | self.ptr == other.ptr [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 56 | std::ptr::addr_eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~~~~~~~~~~ ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> engine/src/instance/lua.rs:47:16 [INFO] [stdout] | [INFO] [stdout] 47 | Ok(this.ptr == other.ptr) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 47 | Ok(std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())) [INFO] [stdout] | ++++++++++++++++++ ~~~~~~~~~~ ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ribbon v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.75s [INFO] running `Command { std: "docker" "inspect" "bbccd5b67888e2f2ef85209ed8eaf155e0360ac5b61e879aab7d90857b33a963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbccd5b67888e2f2ef85209ed8eaf155e0360ac5b61e879aab7d90857b33a963", kill_on_drop: false }` [INFO] [stdout] bbccd5b67888e2f2ef85209ed8eaf155e0360ac5b61e879aab7d90857b33a963 [INFO] checking memothelemo/ribbon against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemothelemo%2Fribbon" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/memothelemo/ribbon 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/memothelemo/ribbon [INFO] finished tweaking git repo https://github.com/memothelemo/ribbon [INFO] tweaked toml for git repo https://github.com/memothelemo/ribbon written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/memothelemo/ribbon 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 25c43803c36e7771cb3567636e7c3409cabd50db32803402de2ea8252c3de389 [INFO] running `Command { std: "docker" "start" "-a" "25c43803c36e7771cb3567636e7c3409cabd50db32803402de2ea8252c3de389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25c43803c36e7771cb3567636e7c3409cabd50db32803402de2ea8252c3de389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25c43803c36e7771cb3567636e7c3409cabd50db32803402de2ea8252c3de389", kill_on_drop: false }` [INFO] [stdout] 25c43803c36e7771cb3567636e7c3409cabd50db32803402de2ea8252c3de389 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03f3042e0ab0d9a4b8855d3fdfb90395a28d22b881d97e2e64501e96fd5763fb [INFO] running `Command { std: "docker" "start" "-a" "03f3042e0ab0d9a4b8855d3fdfb90395a28d22b881d97e2e64501e96fd5763fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling cc v1.0.74 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling luau0-src v0.4.0+luau548 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling mlua v0.8.5 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.2.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.8.5/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-0.8.5/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-0.8.5/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-0.8.5/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" "03f3042e0ab0d9a4b8855d3fdfb90395a28d22b881d97e2e64501e96fd5763fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03f3042e0ab0d9a4b8855d3fdfb90395a28d22b881d97e2e64501e96fd5763fb", kill_on_drop: false }` [INFO] [stdout] 03f3042e0ab0d9a4b8855d3fdfb90395a28d22b881d97e2e64501e96fd5763fb