[INFO] fetching crate logfn 0.1.0...
[INFO] testing logfn-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[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 c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7de170ed20fb629afc6fbbe09854fb63301a4836271791f8ae806336203211cd
[INFO] running `Command { std: "docker" "start" "-a" "7de170ed20fb629afc6fbbe09854fb63301a4836271791f8ae806336203211cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7de170ed20fb629afc6fbbe09854fb63301a4836271791f8ae806336203211cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de170ed20fb629afc6fbbe09854fb63301a4836271791f8ae806336203211cd", kill_on_drop: false }`
[INFO] [stdout] 7de170ed20fb629afc6fbbe09854fb63301a4836271791f8ae806336203211cd
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb7917b363c3f0ca503f839bc7cae501e36df8752498bcb54d26934d7bbf92fb
[INFO] running `Command { std: "docker" "start" "-a" "bb7917b363c3f0ca503f839bc7cae501e36df8752498bcb54d26934d7bbf92fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling logfn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |                 None => unrecognized_item!(path),
[INFO] [stdout]    |                         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($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 error originates in the macro `unrecognized_item` (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/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($item, "Unrecognized attribute."));
[INFO] [stdout]    |                                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |                 unrecognized_item!(path)
[INFO] [stdout]    |                 ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `unrecognized_item`
[INFO] [stdout]    = note: this error originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/arg.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Err(syn::Error::new_spanned($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 error originates in the macro `unrecognized_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logfn` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "bb7917b363c3f0ca503f839bc7cae501e36df8752498bcb54d26934d7bbf92fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7917b363c3f0ca503f839bc7cae501e36df8752498bcb54d26934d7bbf92fb", kill_on_drop: false }`
[INFO] [stdout] bb7917b363c3f0ca503f839bc7cae501e36df8752498bcb54d26934d7bbf92fb
