[INFO] fetching crate wrapped-vec 0.3.0...
[INFO] testing wrapped-vec-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate wrapped-vec 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wrapped-vec 0.3.0
[INFO] finished tweaking crates.io crate wrapped-vec 0.3.0
[INFO] tweaked toml for crates.io crate wrapped-vec 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrapped-vec 0.3.0 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 4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dc6abdd90ba13ffcf4b850d85b3bcb3fff8ae4740879453b466a30f9d4788485
[INFO] running `Command { std: "docker" "start" "-a" "dc6abdd90ba13ffcf4b850d85b3bcb3fff8ae4740879453b466a30f9d4788485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6abdd90ba13ffcf4b850d85b3bcb3fff8ae4740879453b466a30f9d4788485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6abdd90ba13ffcf4b850d85b3bcb3fff8ae4740879453b466a30f9d4788485", kill_on_drop: false }`
[INFO] [stdout] dc6abdd90ba13ffcf4b850d85b3bcb3fff8ae4740879453b466a30f9d4788485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 111b2585fa87a25aca5eb6c2ed5c2b31e83ff3744558d7d2be1e77e63707fd2b
[INFO] running `Command { std: "docker" "start" "-a" "111b2585fa87a25aca5eb6c2ed5c2b31e83ff3744558d7d2be1e77e63707fd2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wrapped-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 66 |           let wrapper = doc_attr!(
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 67 | |             input,
[INFO] [stdout] 68 | |             "CollectionDoc",
[INFO] [stdout] 69 | |             format!("A collection of {}s", idents.item)
[INFO] [stdout] 70 | |         );
[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 `doc_attr` (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/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |           let new = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 72 | |             input,
[INFO] [stdout] 73 | |             "CollectionNewDoc",
[INFO] [stdout] 74 | |             format!("Creates a new, empty {}", idents.collection)
[INFO] [stdout] 75 | |         );
[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 `doc_attr` (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/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 76 |           let is_empty = doc_attr!(
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 77 | |             input,
[INFO] [stdout] 78 | |             "CollectionIsEmptyDoc",
[INFO] [stdout] 79 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         );
[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 `doc_attr` (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/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |           let len = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 85 | |             input,
[INFO] [stdout] 86 | |             "CollectionLenDoc",
[INFO] [stdout] 87 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |         );
[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 `doc_attr` (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/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 92 |           let iter = doc_attr!(
[INFO] [stdout]    |  ____________________-
[INFO] [stdout] 93 | |             input,
[INFO] [stdout] 94 | |             "CollectionIterDoc",
[INFO] [stdout] 95 | |             format!("Returns an iterator over the {}", idents.collection)
[INFO] [stdout] 96 | |         );
[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 `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrapped-vec` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "111b2585fa87a25aca5eb6c2ed5c2b31e83ff3744558d7d2be1e77e63707fd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111b2585fa87a25aca5eb6c2ed5c2b31e83ff3744558d7d2be1e77e63707fd2b", kill_on_drop: false }`
[INFO] [stdout] 111b2585fa87a25aca5eb6c2ed5c2b31e83ff3744558d7d2be1e77e63707fd2b
