[INFO] fetching crate logicsim 0.1.7...
[INFO] testing logicsim-0.1.7 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate logicsim 0.1.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate logicsim 0.1.7
[INFO] finished tweaking crates.io crate logicsim 0.1.7
[INFO] tweaked toml for crates.io crate logicsim 0.1.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate logicsim 0.1.7 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate logicsim 0.1.7 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded concat-idents v1.0.0
[INFO] [stderr]   Downloaded auto_from v0.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded smallvec v1.5.0
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.5
[INFO] [stderr]   Downloaded casey v0.3.3
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa0a0c3df9113f6278f7592fe329203db6e84b40993130774b80b8d359e258d
[INFO] running `Command { std: "docker" "start" "-a" "5fa0a0c3df9113f6278f7592fe329203db6e84b40993130774b80b8d359e258d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa0a0c3df9113f6278f7592fe329203db6e84b40993130774b80b8d359e258d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa0a0c3df9113f6278f7592fe329203db6e84b40993130774b80b8d359e258d", kill_on_drop: false }`
[INFO] [stdout] 5fa0a0c3df9113f6278f7592fe329203db6e84b40993130774b80b8d359e258d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f10d9cbf77480580a266c95c809b2bd452087e9f5590295f43723948c675b22
[INFO] running `Command { std: "docker" "start" "-a" "2f10d9cbf77480580a266c95c809b2bd452087e9f5590295f43723948c675b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling casey v0.3.3
[INFO] [stderr]    Compiling concat-idents v1.0.0
[INFO] [stderr]    Compiling logicsim v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data_structures/slab.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "2f10d9cbf77480580a266c95c809b2bd452087e9f5590295f43723948c675b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f10d9cbf77480580a266c95c809b2bd452087e9f5590295f43723948c675b22", kill_on_drop: false }`
[INFO] [stdout] 2f10d9cbf77480580a266c95c809b2bd452087e9f5590295f43723948c675b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09963ffe8499ad69e64888d955d81ee2443157388f9207ea07ff8646429a894f
[INFO] running `Command { std: "docker" "start" "-a" "09963ffe8499ad69e64888d955d81ee2443157388f9207ea07ff8646429a894f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data_structures/slab.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling auto_from v0.3.0
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling logicsim v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `logicsim::data_structures::BitIter`
[INFO] [stdout]  --> examples/computer/assembler.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use logicsim::data_structures::BitIter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         assert_eq!(signals_to_bits!(TestSignals, s1), 1);
[INFO] [stdout]     |                    --------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 123 |         assert_eq!(signals_to_bits!(TestSignals, s3), 0b100);
[INFO] [stdout]     |                    --------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:100:117
[INFO] [stdout]     |
[INFO] [stdout] 100 |         logicsim::signals_to_bits!(logicsim::signals_to_bits!($bits, $signal_set, $signal), $signal_set, $($rest),+);
[INFO] [stdout]     |                                                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 125 |         assert_eq!(signals_to_bits!(TestSignals, s2, s3), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 125 |         assert_eq!(signals_to_bits!(TestSignals, s2, s3), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 125 |         assert_eq!(signals_to_bits!(TestSignals, s2, s3), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:100:117
[INFO] [stdout]     |
[INFO] [stdout] 100 |         logicsim::signals_to_bits!(logicsim::signals_to_bits!($bits, $signal_set, $signal), $signal_set, $($rest),+);
[INFO] [stdout]     |                                                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         assert_eq!(signals_to_bits!(TestSignals, s3, s2), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         assert_eq!(signals_to_bits!(TestSignals, s3, s2), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         assert_eq!(signals_to_bits!(TestSignals, s3, s2), 0b110);
[INFO] [stdout]     |                    ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:100:117
[INFO] [stdout]     |
[INFO] [stdout] 100 |         logicsim::signals_to_bits!(logicsim::signals_to_bits!($bits, $signal_set, $signal), $signal_set, $($rest),+);
[INFO] [stdout]     |                                                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         assert_eq!(signals_to_bits!(TestSignals, s1, s2, s3), 0b111);
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:100:117
[INFO] [stdout]     |
[INFO] [stdout] 100 |         logicsim::signals_to_bits!(logicsim::signals_to_bits!($bits, $signal_set, $signal), $signal_set, $($rest),+);
[INFO] [stdout]     |                                                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         assert_eq!(signals_to_bits!(TestSignals, s1, s2, s3), 0b111);
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         assert_eq!(signals_to_bits!(TestSignals, s1, s2, s3), 0b111);
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         assert_eq!(signals_to_bits!(TestSignals, s1, s2, s3), 0b111);
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/circuits/control_signals_set.rs:97:11
[INFO] [stdout]     |
[INFO] [stdout]  97 |         });
[INFO] [stdout]     |           ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         assert_eq!(signals_to_bits!(TestSignals, s1, s2, s3), 0b111);
[INFO] [stdout]     |                    ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 `signals_to_bits`
[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 error originates in the macro `logicsim::signals_to_bits` which comes from the expansion of the macro `signals_to_bits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reset` is never read
[INFO] [stdout]  --> examples/computer/computer.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ComputerIO {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub reset: LeverHandle,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data_structures/slab.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logicsim` (lib test) due to 26 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "09963ffe8499ad69e64888d955d81ee2443157388f9207ea07ff8646429a894f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09963ffe8499ad69e64888d955d81ee2443157388f9207ea07ff8646429a894f", kill_on_drop: false }`
[INFO] [stdout] 09963ffe8499ad69e64888d955d81ee2443157388f9207ea07ff8646429a894f
