[INFO] fetching crate uart_xilinx 0.1.0...
[INFO] checking uart_xilinx-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate uart_xilinx 0.1.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate uart_xilinx 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uart_xilinx 0.1.0
[INFO] finished tweaking crates.io crate uart_xilinx 0.1.0
[INFO] tweaked toml for crates.io crate uart_xilinx 0.1.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a14f13bdb2e613fc08ba2a61fbd0bffc0449e9338eedc45dd6072824245e6b6
[INFO] running `Command { std: "docker" "start" "-a" "3a14f13bdb2e613fc08ba2a61fbd0bffc0449e9338eedc45dd6072824245e6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a14f13bdb2e613fc08ba2a61fbd0bffc0449e9338eedc45dd6072824245e6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a14f13bdb2e613fc08ba2a61fbd0bffc0449e9338eedc45dd6072824245e6b6", kill_on_drop: false }`
[INFO] [stdout] 3a14f13bdb2e613fc08ba2a61fbd0bffc0449e9338eedc45dd6072824245e6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb9e8814327472af8591ee7886e62ba042ea0ad38d0de818dad26eec9632339e
[INFO] running `Command { std: "docker" "start" "-a" "fb9e8814327472af8591ee7886e62ba042ea0ad38d0de818dad26eec9632339e", kill_on_drop: false }`
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking uart_xilinx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/uart_16550/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_16550/uart.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |             reg: cast!(base_address),
[INFO] [stdout]    |                  ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/uart_16550/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_16550/uart.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         self.reg = cast!(base_address);
[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 `cast` (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/uart_16550/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_16550/uart.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |             reg: cast!(base_address),
[INFO] [stdout]    |                  ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/uart_lite/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_lite/uart.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             reg: cast!(base_address),
[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 `cast` (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/uart_lite/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_lite/uart.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.reg = cast!(base_address);
[INFO] [stdout]    |                    ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/uart_16550/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_16550/uart.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         self.reg = cast!(base_address);
[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 `cast` (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/uart_lite/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_lite/uart.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 |             reg: cast!(base_address),
[INFO] [stdout]     |                  ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/uart_lite/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_lite/uart.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |         self.reg = cast!(base_address);
[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 `cast` (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/uart_lite/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_lite/uart.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             reg: cast!(base_address),
[INFO] [stdout]    |                  ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/uart_lite/registers.rs:5:71
[INFO] [stdout]    |
[INFO] [stdout] 5  |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/uart_lite/uart.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.reg = cast!(base_address);
[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 `cast` (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/uart_lite/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_lite/uart.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 |             reg: cast!(base_address),
[INFO] [stdout]     |                  ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/uart_lite/registers.rs:5:71
[INFO] [stdout]     |
[INFO] [stdout] 5   |         unsafe { &mut *(($expr) as *mut super::registers::Registers) };
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/uart_lite/uart.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |         self.reg = cast!(base_address);
[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 `cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "fb9e8814327472af8591ee7886e62ba042ea0ad38d0de818dad26eec9632339e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9e8814327472af8591ee7886e62ba042ea0ad38d0de818dad26eec9632339e", kill_on_drop: false }`
[INFO] [stdout] fb9e8814327472af8591ee7886e62ba042ea0ad38d0de818dad26eec9632339e