[INFO] cloning repository https://github.com/jugglerchris/rlua [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jugglerchris/rlua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25bd7e6bffef9597466a98bfca80a3056c9e6320 [INFO] checking jugglerchris/rlua against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjugglerchris%2Frlua" "/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/jugglerchris/rlua on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jugglerchris/rlua [INFO] finished tweaking git repo https://github.com/jugglerchris/rlua [INFO] tweaked toml for git repo https://github.com/jugglerchris/rlua written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 100 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 cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding compiletest_rs v0.4.1 (latest: v0.10.2) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding dirs v2.0.2 (latest: v5.0.1) [INFO] [stderr] Adding dirs-next v1.0.2 (latest: v2.0.0) [INFO] [stderr] Adding dirs-sys v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding nix v0.18.0 (latest: v0.28.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustfix v0.5.1 (latest: v0.8.1) [INFO] [stderr] Adding rustyline v6.3.0 (latest: v14.0.0) [INFO] [stderr] Adding term v0.6.1 (latest: v0.7.0) [INFO] [stderr] Adding tester v0.7.0 (latest: v0.9.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded compiletest_rs v0.4.1 [INFO] [stderr] Downloaded dirs-next v1.0.2 [INFO] [stderr] Downloaded tester v0.7.0 [INFO] [stderr] Downloaded rustyline v6.3.0 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 819e8e4967ef47075773b321bda628a8719e225075fb0e748818cb2e439a6cf6 [INFO] running `Command { std: "docker" "start" "-a" "819e8e4967ef47075773b321bda628a8719e225075fb0e748818cb2e439a6cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "819e8e4967ef47075773b321bda628a8719e225075fb0e748818cb2e439a6cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "819e8e4967ef47075773b321bda628a8719e225075fb0e748818cb2e439a6cf6", kill_on_drop: false }` [INFO] [stdout] 819e8e4967ef47075773b321bda628a8719e225075fb0e748818cb2e439a6cf6 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aee2ce6296c8df5e5aa1881daea679f9ebbfbae0021e2de0679b122e3ac90abc [INFO] running `Command { std: "docker" "start" "-a" "aee2ce6296c8df5e5aa1881daea679f9ebbfbae0021e2de0679b122e3ac90abc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling compiletest_rs v0.4.1 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Compiling rlua v0.17.1-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking dirs-next v1.0.2 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking tester v0.7.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking rustyline v6.3.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] warning: rlua@0.17.1-alpha.0: Compiler version doesn't include clang or GCC: "cc" "--version" [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/context.rs:643:18 [INFO] [stdout] | [INFO] [stdout] 643 | _ => rlua_panic!("LUA_TNONE in pop_value"), [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/hook.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | Err(_) => rlua_panic!("Lua should not allow hooks to be called within another hook"), [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/lua.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/util.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | rlua_panic!("error during panic handling, panic was resumed twice") [INFO] [stdout] | ------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `rlua_panic` [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/util.rs:208:18 [INFO] [stdout] | [INFO] [stdout] 208 | _ => rlua_panic!("unrecognized lua error code"), [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lua.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | Box::from_raw(extra); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = Box::from_raw(extra); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking rustfix v0.5.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> tests/userdata.rs:12:35 [INFO] [stdout] | [INFO] [stdout] 12 | impl UserData for UserData1 {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> tests/userdata.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | impl UserData for UserData2 {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/userdata.rs:163:23 [INFO] [stdout] | [INFO] [stdout] 163 | struct MyUserdata(Arc<()>); [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 163 | struct MyUserdata(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/scope.rs:40:27 [INFO] [stdout] | [INFO] [stdout] 40 | struct MyUserdata(Rc<()>); [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 | struct MyUserdata(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/scope.rs:154:27 [INFO] [stdout] | [INFO] [stdout] 154 | struct MyUserData<'a>(&'a i64); [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 154 | struct MyUserData<'a>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/context.rs:643:18 [INFO] [stdout] | [INFO] [stdout] 643 | _ => rlua_panic!("LUA_TNONE in pop_value"), [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/hook.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | Err(_) => rlua_panic!("Lua should not allow hooks to be called within another hook"), [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/lua.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/util.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | rlua_panic!("error during panic handling, panic was resumed twice") [INFO] [stdout] | ------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `rlua_panic` [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | panic!(bug_msg!($msg)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/util.rs:208:18 [INFO] [stdout] | [INFO] [stdout] 208 | _ => rlua_panic!("unrecognized lua error code"), [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `rlua_panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benchmark.rs:181:21 [INFO] [stdout] | [INFO] [stdout] 181 | struct UserData(i64); [INFO] [stdout] | -------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 181 | struct UserData(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/tests.rs:607:23 [INFO] [stdout] | [INFO] [stdout] 607 | struct MyUserdata(Arc<()>); [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 607 | struct MyUserdata(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/memory.rs:41:23 [INFO] [stdout] | [INFO] [stdout] 41 | struct MyUserdata(Arc<()>); [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | struct MyUserdata(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lua.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | Box::from_raw(extra); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = Box::from_raw(extra); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.1-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "aee2ce6296c8df5e5aa1881daea679f9ebbfbae0021e2de0679b122e3ac90abc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aee2ce6296c8df5e5aa1881daea679f9ebbfbae0021e2de0679b122e3ac90abc", kill_on_drop: false }` [INFO] [stdout] aee2ce6296c8df5e5aa1881daea679f9ebbfbae0021e2de0679b122e3ac90abc