[INFO] cloning repository https://github.com/Demindiro/ballduck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Demindiro/ballduck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fballduck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fballduck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab9a7c8dd06bc9b89fddb30974b3aec0683e427
[INFO] checking Demindiro/ballduck against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fballduck" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Demindiro/ballduck on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Demindiro/ballduck
[INFO] finished tweaking git repo https://github.com/Demindiro/ballduck
[INFO] tweaked toml for git repo https://github.com/Demindiro/ballduck written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Demindiro/ballduck 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwrap_none v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38a9f572eab1070939ef91b4d038b8b1bc326d4db54f55b6bb4dc4dc6a2c6506
[INFO] running `Command { std: "docker" "start" "-a" "38a9f572eab1070939ef91b4d038b8b1bc326d4db54f55b6bb4dc4dc6a2c6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38a9f572eab1070939ef91b4d038b8b1bc326d4db54f55b6bb4dc4dc6a2c6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a9f572eab1070939ef91b4d038b8b1bc326d4db54f55b6bb4dc4dc6a2c6506", kill_on_drop: false }`
[INFO] [stdout] 38a9f572eab1070939ef91b4d038b8b1bc326d4db54f55b6bb4dc4dc6a2c6506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 970545f8e7c7a3f75cc7f277a8745157f548aeda6d8d44615e705bd9d65064a3
[INFO] running `Command { std: "docker" "start" "-a" "970545f8e7c7a3f75cc7f277a8745157f548aeda6d8d44615e705bd9d65064a3", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking unwrap_none v0.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ballscript v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> lib/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]   --> lib/src/bytecode/builder.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 8  | use crate::std_types::*;
[INFO] [stdout]    |     ------------------- the item `Rc` is already imported here
[INFO] [stdout] 9  | use crate::tokenizer::{AssignOp, Op};
[INFO] [stdout] 10 | use crate::{Rc, VariantType};
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VariantType` is imported redundantly
[INFO] [stdout]   --> lib/src/bytecode/builder.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 5  | use super::*;
[INFO] [stdout]    |     -------- the item `VariantType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::{Rc, VariantType};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 490 |                             Atom::_Self => err!(line, column, CantAssign, "self"),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 491 |                             Atom::Env => err!(line, column, CantAssign, "env"),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 492 |                               _ => err!(
[INFO] [stdout]     |  __________________________________-
[INFO] [stdout] 493 | |                                 line,
[INFO] [stdout] 494 | |                                 column,
[INFO] [stdout] 495 | |                                 Unsupported,
[INFO] [stdout] 496 | |                                 "Complex lvalues are not supported yet"
[INFO] [stdout] 497 | |                             ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 558 |                                       _ => err!(
[INFO] [stdout]     |  __________________________________________-
[INFO] [stdout] 559 | |                                         line,
[INFO] [stdout] 560 | |                                         column,
[INFO] [stdout] 561 | |                                         Unsupported,
[INFO] [stdout] 562 | |                                         "Complex lvalues are not supported yet"
[INFO] [stdout] 563 | |                                     ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 565 |                                   Atom::Env => err!(
[INFO] [stdout]     |  ______________________________________________-
[INFO] [stdout] 566 | |                                     line,
[INFO] [stdout] 567 | |                                     column,
[INFO] [stdout] 568 | |                                     Unsupported,
[INFO] [stdout] 569 | |                                     "Environment variables are not supported yet"
[INFO] [stdout] 570 | |                                 ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 571 |                                   _ => err!(
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 572 | |                                     line,
[INFO] [stdout] 573 | |                                     column,
[INFO] [stdout] 574 | |                                     Unsupported,
[INFO] [stdout] 575 | |                                     "Complex lvalues are not supported yet"
[INFO] [stdout] 576 | |                                 ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 578 |                               _ => err!(
[INFO] [stdout]     |  __________________________________-
[INFO] [stdout] 579 | |                                 line,
[INFO] [stdout] 580 | |                                 column,
[INFO] [stdout] 581 | |                                 Unsupported,
[INFO] [stdout] 582 | |                                 "Complex lvalues are not supported yet"
[INFO] [stdout] 583 | |                             ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 600 |                           _ => err!(
[INFO] [stdout]     |  ______________________________-
[INFO] [stdout] 601 | |                             line,
[INFO] [stdout] 602 | |                             column,
[INFO] [stdout] 603 | |                             Unsupported,
[INFO] [stdout] 604 | |                             "Complex lvalues are not supported yet"
[INFO] [stdout] 605 | |                         ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 775 |                         err!(line, column, UndefinedVariable, name)
[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 <https://github.com/rust-lang/rust/issues/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 `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 490 |                     Add(r, a, b) => run_op!(vars, r = a add b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 491 |                     Sub(r, a, b) => run_op!(vars, r = a sub b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 492 |                     Mul(r, a, b) => run_op!(vars, r = a mul b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 493 |                     Div(r, a, b) => run_op!(vars, r = a div b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                     Rem(r, a, b) => run_op!(vars, r = a rem b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 495 |                     And(r, a, b) => run_op!(vars, r = a bitand b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 496 |                     Or(r, a, b) => run_op!(vars, r = a bitor b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                     Xor(r, a, b) => run_op!(vars, r = a bitxor b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 498 |                     Shl(r, a, b) => run_op!(vars, r = a lhs b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 499 |                     Shr(r, a, b) => run_op!(vars, r = a rhs b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 500 |                     LessEq(r, a, b) => run_cmp!(vars, r = a <= b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 501 |                     Less(r, a, b) => run_cmp!(vars, r = a < b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 502 |                     Neq(r, a, b) => run_cmp!(vars, r = a != b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 503 |                     Eq(r, a, b) => run_cmp!(vars, r = a == b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op());
[INFO] [stdout]     |                                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 504 |                     Neg(r, a) => run_op!(vars, r = a neg),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op());
[INFO] [stdout]     |                                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 505 |                     Not(r, a) => run_op!(vars, r = a not),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> lib/src/script.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::std_types::*;
[INFO] [stdout]   |     ------------------- the item `Rc` is already imported here
[INFO] [stdout] 7 | use crate::Rc;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lib/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(option_result_unwrap_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> lib/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]   --> lib/src/bytecode/builder.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 8  | use crate::std_types::*;
[INFO] [stdout]    |     ------------------- the item `Rc` is already imported here
[INFO] [stdout] 9  | use crate::tokenizer::{AssignOp, Op};
[INFO] [stdout] 10 | use crate::{Rc, VariantType};
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VariantType` is imported redundantly
[INFO] [stdout]   --> lib/src/bytecode/builder.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 5  | use super::*;
[INFO] [stdout]    |     -------- the item `VariantType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::{Rc, VariantType};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 490 |                             Atom::_Self => err!(line, column, CantAssign, "self"),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 491 |                             Atom::Env => err!(line, column, CantAssign, "env"),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 492 |                               _ => err!(
[INFO] [stdout]     |  __________________________________-
[INFO] [stdout] 493 | |                                 line,
[INFO] [stdout] 494 | |                                 column,
[INFO] [stdout] 495 | |                                 Unsupported,
[INFO] [stdout] 496 | |                                 "Complex lvalues are not supported yet"
[INFO] [stdout] 497 | |                             ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 558 |                                       _ => err!(
[INFO] [stdout]     |  __________________________________________-
[INFO] [stdout] 559 | |                                         line,
[INFO] [stdout] 560 | |                                         column,
[INFO] [stdout] 561 | |                                         Unsupported,
[INFO] [stdout] 562 | |                                         "Complex lvalues are not supported yet"
[INFO] [stdout] 563 | |                                     ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 565 |                                   Atom::Env => err!(
[INFO] [stdout]     |  ______________________________________________-
[INFO] [stdout] 566 | |                                     line,
[INFO] [stdout] 567 | |                                     column,
[INFO] [stdout] 568 | |                                     Unsupported,
[INFO] [stdout] 569 | |                                     "Environment variables are not supported yet"
[INFO] [stdout] 570 | |                                 ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 571 |                                   _ => err!(
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 572 | |                                     line,
[INFO] [stdout] 573 | |                                     column,
[INFO] [stdout] 574 | |                                     Unsupported,
[INFO] [stdout] 575 | |                                     "Complex lvalues are not supported yet"
[INFO] [stdout] 576 | |                                 ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 578 |                               _ => err!(
[INFO] [stdout]     |  __________________________________-
[INFO] [stdout] 579 | |                                 line,
[INFO] [stdout] 580 | |                                 column,
[INFO] [stdout] 581 | |                                 Unsupported,
[INFO] [stdout] 582 | |                                 "Complex lvalues are not supported yet"
[INFO] [stdout] 583 | |                             ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |           return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 600 |                           _ => err!(
[INFO] [stdout]     |  ______________________________-
[INFO] [stdout] 601 | |                             line,
[INFO] [stdout] 602 | |                             column,
[INFO] [stdout] 603 | |                             Unsupported,
[INFO] [stdout] 604 | |                             "Complex lvalues are not supported yet"
[INFO] [stdout] 605 | |                         ),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/builder.rs:70:87
[INFO] [stdout]     |
[INFO] [stdout] 70  |         return Err(ByteCodeError::new($line, $column, ByteCodeErrorType::$error($($arg,)*)));
[INFO] [stdout]     |                                                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 775 |                         err!(line, column, UndefinedVariable, name)
[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 <https://github.com/rust-lang/rust/issues/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 `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 490 |                     Add(r, a, b) => run_op!(vars, r = a add b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 491 |                     Sub(r, a, b) => run_op!(vars, r = a sub b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 492 |                     Mul(r, a, b) => run_op!(vars, r = a mul b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 493 |                     Div(r, a, b) => run_op!(vars, r = a div b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                     Rem(r, a, b) => run_op!(vars, r = a rem b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 495 |                     And(r, a, b) => run_op!(vars, r = a bitand b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 496 |                     Or(r, a, b) => run_op!(vars, r = a bitor b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                     Xor(r, a, b) => run_op!(vars, r = a bitxor b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 498 |                     Shl(r, a, b) => run_op!(vars, r = a lhs b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:172:78
[INFO] [stdout]     |
[INFO] [stdout] 172 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op(reg!(ref $vars $b)));
[INFO] [stdout]     |                                                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 499 |                     Shr(r, a, b) => run_op!(vars, r = a rhs b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 500 |                     LessEq(r, a, b) => run_cmp!(vars, r = a <= b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 501 |                     Less(r, a, b) => run_cmp!(vars, r = a < b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 502 |                     Neq(r, a, b) => run_cmp!(vars, r = a != b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:181:74
[INFO] [stdout]     |
[INFO] [stdout] 181 |         reg!(mut $vars $r) = (reg!(ref $vars $a) $op reg!(ref $vars $b)).into();
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 503 |                     Eq(r, a, b) => run_cmp!(vars, r = a == b),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_cmp` (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]    --> lib/src/bytecode/mod.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op());
[INFO] [stdout]     |                                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 504 |                     Neg(r, a) => run_op!(vars, r = a neg),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (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]    --> lib/src/bytecode/mod.rs:175:60
[INFO] [stdout]     |
[INFO] [stdout] 175 |         reg!(mut $vars $r) = try_break!(reg!(ref $vars $a).$op());
[INFO] [stdout]     |                                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 505 |                     Not(r, a) => run_op!(vars, r = a not),
[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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `run_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> lib/src/script.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::std_types::*;
[INFO] [stdout]   |     ------------------- the item `Rc` is already imported here
[INFO] [stdout] 7 | use crate::Rc;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lib/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(option_result_unwrap_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib/src/tokenizer.rs:538:23
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 Ok((Token::String("foo bar 42"), 12))
[INFO] [stdout]     |                     ------------- ^^^^^^^^^^^^ expected `Str<'_>`, found `&str`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> lib/src/tokenizer.rs:51:2
[INFO] [stdout]     |
[INFO] [stdout] 51  |     String(util::Str<'src>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] help: try wrapping the expression in `util::Str::Slice`
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 Ok((Token::String(util::Str::Slice("foo bar 42")), 12))
[INFO] [stdout]     |                                   +++++++++++++++++            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib/src/tokenizer.rs:662:25
[INFO] [stdout]     |
[INFO] [stdout] 662 |             assert_eq!(s.prev(), false);
[INFO] [stdout]     |                                  ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib/src/tokenizer.rs:665:25
[INFO] [stdout]     |
[INFO] [stdout] 665 |             assert_eq!(s.prev(), true);
[INFO] [stdout]     |                                  ^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib/src/tokenizer.rs:666:25
[INFO] [stdout]     |
[INFO] [stdout] 666 |             assert_eq!(s.prev(), false);
[INFO] [stdout]     |                                  ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib/src/tokenizer.rs:680:44
[INFO] [stdout]     |
[INFO] [stdout] 680 |             assert_eq!(s.next(), Some(Token::String("Hello, world!")));
[INFO] [stdout]     |                                       ------------- ^^^^^^^^^^^^^^^ expected `Str<'_>`, found `&str`
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> lib/src/tokenizer.rs:51:2
[INFO] [stdout]     |
[INFO] [stdout] 51  |     String(util::Str<'src>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] help: try wrapping the expression in `util::Str::Slice`
[INFO] [stdout]     |
[INFO] [stdout] 680 |             assert_eq!(s.next(), Some(Token::String(util::Str::Slice("Hello, world!"))));
[INFO] [stdout]     |                                                     +++++++++++++++++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]   --> lib/src/ast.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |     LooseExpression {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 44 |         line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 45 |         column: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]   --> lib/src/ast.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Expression {
[INFO] [stdout]    |     ---------- fields in this variant
[INFO] [stdout] 56 |         line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |         column: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]   --> lib/src/ast.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 69 |     While {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 70 |         line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 71 |         column: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]   --> lib/src/ast.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 75 |     If {
[INFO] [stdout]    |     -- fields in this variant
[INFO] [stdout] 76 |         line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 77 |         column: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]   --> lib/src/ast.rs:83:3
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Return {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 83 |         line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 84 |         column: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> lib/src/bytecode/mod.rs:344:7
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         drop(vars);
[INFO] [stdout]     |                         ^^^^^----^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut [V]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bs v0.1.0 (/opt/rustwide/workdir/bin)
[INFO] [stdout] error: aborting due to 5 previous errors; 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ballscript` (lib test) due to 6 previous errors; 55 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "970545f8e7c7a3f75cc7f277a8745157f548aeda6d8d44615e705bd9d65064a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970545f8e7c7a3f75cc7f277a8745157f548aeda6d8d44615e705bd9d65064a3", kill_on_drop: false }`
[INFO] [stdout] 970545f8e7c7a3f75cc7f277a8745157f548aeda6d8d44615e705bd9d65064a3
[INFO] checking Demindiro/ballduck against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fballduck" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Demindiro/ballduck on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Demindiro/ballduck
[INFO] finished tweaking git repo https://github.com/Demindiro/ballduck
[INFO] tweaked toml for git repo https://github.com/Demindiro/ballduck written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Demindiro/ballduck 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dfd9a4fadbdd05319cecf47cd9959e27b3a828938e12bf4f49ab34b604f4d73
[INFO] running `Command { std: "docker" "start" "-a" "8dfd9a4fadbdd05319cecf47cd9959e27b3a828938e12bf4f49ab34b604f4d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfd9a4fadbdd05319cecf47cd9959e27b3a828938e12bf4f49ab34b604f4d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfd9a4fadbdd05319cecf47cd9959e27b3a828938e12bf4f49ab34b604f4d73", kill_on_drop: false }`
[INFO] [stdout] 8dfd9a4fadbdd05319cecf47cd9959e27b3a828938e12bf4f49ab34b604f4d73
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 849981b5c625376bc361d6b91300276a42aff70dbf207faa5dd76ebe426a5b67
[INFO] running `Command { std: "docker" "start" "-a" "849981b5c625376bc361d6b91300276a42aff70dbf207faa5dd76ebe426a5b67", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "849981b5c625376bc361d6b91300276a42aff70dbf207faa5dd76ebe426a5b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849981b5c625376bc361d6b91300276a42aff70dbf207faa5dd76ebe426a5b67", kill_on_drop: false }`
[INFO] [stdout] 849981b5c625376bc361d6b91300276a42aff70dbf207faa5dd76ebe426a5b67