[INFO] fetching crate logfn 0.1.0...
[INFO] testing logfn-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate logfn 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate logfn 0.1.0
[INFO] finished tweaking crates.io crate logfn 0.1.0
[INFO] tweaked toml for crates.io crate logfn 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logfn 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--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]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8f531cb4d7ef649991412c9438165684d7e7cba098e9548f3ca416f2bd0661
[INFO] running `Command { std: "docker" "start" "-a" "bc8f531cb4d7ef649991412c9438165684d7e7cba098e9548f3ca416f2bd0661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8f531cb4d7ef649991412c9438165684d7e7cba098e9548f3ca416f2bd0661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8f531cb4d7ef649991412c9438165684d7e7cba098e9548f3ca416f2bd0661", kill_on_drop: false }`
[INFO] [stdout] bc8f531cb4d7ef649991412c9438165684d7e7cba098e9548f3ca416f2bd0661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc9acc0ea9f4911c6830751a670f31a4238ffcaf929fe564ca1db6f10b2d6dc
[INFO] running `Command { std: "docker" "start" "-a" "8cc9acc0ea9f4911c6830751a670f31a4238ffcaf929fe564ca1db6f10b2d6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |                 None => unrecognized_item!(path),
[INFO] [stdout]    |                         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 74 |                 i => unrecognized_item!(i),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |                 unrecognized_item!(path)
[INFO] [stdout]    |                 ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `unrecognized_item`
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         _ => unrecognized_item!(arg),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8cc9acc0ea9f4911c6830751a670f31a4238ffcaf929fe564ca1db6f10b2d6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc9acc0ea9f4911c6830751a670f31a4238ffcaf929fe564ca1db6f10b2d6dc", kill_on_drop: false }`
[INFO] [stdout] 8cc9acc0ea9f4911c6830751a670f31a4238ffcaf929fe564ca1db6f10b2d6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a1e0b61f22caa413a01815065c3110a4d5b84d86e74186267a5a8d7e5ef51a
[INFO] running `Command { std: "docker" "start" "-a" "a3a1e0b61f22caa413a01815065c3110a4d5b84d86e74186267a5a8d7e5ef51a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |                 None => unrecognized_item!(path),
[INFO] [stdout]    |                         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 74 |                 i => unrecognized_item!(i),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |                 unrecognized_item!(path)
[INFO] [stdout]    |                 ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `unrecognized_item`
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         _ => unrecognized_item!(arg),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |                 None => unrecognized_item!(path),
[INFO] [stdout]    |                         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 74 |                 i => unrecognized_item!(i),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |                 unrecognized_item!(path)
[INFO] [stdout]    |                 ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `unrecognized_item`
[INFO] [stdout]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         _ => unrecognized_item!(arg),
[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 `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a3a1e0b61f22caa413a01815065c3110a4d5b84d86e74186267a5a8d7e5ef51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a1e0b61f22caa413a01815065c3110a4d5b84d86e74186267a5a8d7e5ef51a", kill_on_drop: false }`
[INFO] [stdout] a3a1e0b61f22caa413a01815065c3110a4d5b84d86e74186267a5a8d7e5ef51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08a2ad6ff594e5b2bef521204cf12a9121dcac8f78dcacdad1cecfbbb42295d7
[INFO] running `Command { std: "docker" "start" "-a" "08a2ad6ff594e5b2bef521204cf12a9121dcac8f78dcacdad1cecfbbb42295d7", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/arg.rs:51:78
[INFO] [stderr]    |
[INFO] [stderr] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stderr]    |                                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 64 |                 None => unrecognized_item!(path),
[INFO] [stderr]    |                         ------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/arg.rs:51:78
[INFO] [stderr]    |
[INFO] [stderr] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stderr]    |                                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 74 |                 i => unrecognized_item!(i),
[INFO] [stderr]    |                      --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/arg.rs:51:78
[INFO] [stderr]    |
[INFO] [stderr] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stderr]    |                                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 87 |                 unrecognized_item!(path)
[INFO] [stderr]    |                 ------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `unrecognized_item`
[INFO] [stderr]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/arg.rs:51:78
[INFO] [stderr]    |
[INFO] [stderr] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stderr]    |                                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 91 |         _ => unrecognized_item!(arg),
[INFO] [stderr]    |              ----------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `logfn` (lib) generated 4 warnings
[INFO] [stderr] warning: `logfn` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logfn-a19d7247f8d7715a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/logfn_pre.rs (/opt/rustwide/target/debug/deps/logfn_pre-500008e2b032ea06)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logfn
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08a2ad6ff594e5b2bef521204cf12a9121dcac8f78dcacdad1cecfbbb42295d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a2ad6ff594e5b2bef521204cf12a9121dcac8f78dcacdad1cecfbbb42295d7", kill_on_drop: false }`
[INFO] [stdout] 08a2ad6ff594e5b2bef521204cf12a9121dcac8f78dcacdad1cecfbbb42295d7
