[INFO] fetching crate dmd_core 0.6.3...
[INFO] checking dmd_core-0.6.3 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate dmd_core 0.6.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dmd_core 0.6.3 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmd_core 0.6.3
[INFO] finished tweaking crates.io crate dmd_core 0.6.3
[INFO] tweaked toml for crates.io crate dmd_core 0.6.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c0a561b09ed227de1f93e94be5639bdfe445539ac784bf9738bbb36b6ee3ed6
[INFO] running `Command { std: "docker" "start" "-a" "8c0a561b09ed227de1f93e94be5639bdfe445539ac784bf9738bbb36b6ee3ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0a561b09ed227de1f93e94be5639bdfe445539ac784bf9738bbb36b6ee3ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0a561b09ed227de1f93e94be5639bdfe445539ac784bf9738bbb36b6ee3ed6", kill_on_drop: false }`
[INFO] [stdout] 8c0a561b09ed227de1f93e94be5639bdfe445539ac784bf9738bbb36b6ee3ed6
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b591997b982047a2fea0b1547720e362e8efc58894d88e8c18b1e0f31e467b40
[INFO] running `Command { std: "docker" "start" "-a" "b591997b982047a2fea0b1547720e362e8efc58894d88e8c18b1e0f31e467b40", kill_on_drop: false }`
[INFO] [stderr]     Checking dmd_core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn dmd_get_pc(pc: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn dmd_get_register(reg: uint8_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:197:45
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn dmd_get_register(reg: uint8_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:208:24
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn dmd_read_word(addr: uint32_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:208:44
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn dmd_read_word(addr: uint32_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn dmd_read_byte(addr: uint32_t, val: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:224:44
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn dmd_read_byte(addr: uint32_t, val: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn dmd_get_duart_output_port(oport: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:251:19
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn dmd_rx_char(c: uint8_t) -> c_int {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:262:23
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn dmd_rx_keyboard(c: uint8_t) -> c_int {
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]    --> src/dmd.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn dmd_mouse_move(x: uint16_t, y: uint16_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]    --> src/dmd.rs:273:35
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn dmd_mouse_move(x: uint16_t, y: uint16_t) -> c_int {
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn dmd_mouse_down(button: uint8_t) -> c_int {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 | fn dmd_mouse_up(button: uint8_t) -> c_int {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:306:36
[INFO] [stdout]     |
[INFO] [stdout] 306 | fn dmd_rs232_tx_poll(tx_char: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:322:33
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn dmd_kb_tx_poll(tx_char: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bus.rs:80:61
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn get_device(&mut self, address: usize) -> Result<&mut Device, BusError> {
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn get_device(&mut self, address: usize) -> Result<&mut dyn Device, BusError> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn dmd_get_pc(pc: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn dmd_get_register(reg: uint8_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:197:45
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn dmd_get_register(reg: uint8_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:208:24
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn dmd_read_word(addr: uint32_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:208:44
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn dmd_read_word(addr: uint32_t, val: &mut uint32_t) -> c_int {
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/dmd.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn dmd_read_byte(addr: uint32_t, val: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:224:44
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn dmd_read_byte(addr: uint32_t, val: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn dmd_get_duart_output_port(oport: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:251:19
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn dmd_rx_char(c: uint8_t) -> c_int {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:262:23
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn dmd_rx_keyboard(c: uint8_t) -> c_int {
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]    --> src/dmd.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn dmd_mouse_move(x: uint16_t, y: uint16_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]    --> src/dmd.rs:273:35
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn dmd_mouse_move(x: uint16_t, y: uint16_t) -> c_int {
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn dmd_mouse_down(button: uint8_t) -> c_int {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 | fn dmd_mouse_up(button: uint8_t) -> c_int {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:306:36
[INFO] [stdout]     |
[INFO] [stdout] 306 | fn dmd_rs232_tx_poll(tx_char: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/dmd.rs:322:33
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn dmd_kb_tx_poll(tx_char: &mut uint8_t) -> c_int {
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bus.rs:80:61
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn get_device(&mut self, address: usize) -> Result<&mut Device, BusError> {
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn get_device(&mut self, address: usize) -> Result<&mut dyn Device, BusError> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/err.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |             CpuError::Exception(ref e) => e.description(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |             CpuError::Bus(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |             CpuError::Exception(ref e) => e.description(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/err.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |             CpuError::Bus(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:426:21
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:435:21
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:452:21
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:461:21
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:487:21
[INFO] [stdout]     |
[INFO] [stdout] 487 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:506:21
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:523:21
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:539:21
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let mut ctx = &mut self.ports[port];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:426:21
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:435:21
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:452:21
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:461:21
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:487:21
[INFO] [stdout]     |
[INFO] [stdout] 487 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:506:21
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 let mut ctx = &mut self.ports[PORT_0];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:523:21
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/duart.rs:539:21
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let mut ctx = &mut self.ports[PORT_1];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b591997b982047a2fea0b1547720e362e8efc58894d88e8c18b1e0f31e467b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b591997b982047a2fea0b1547720e362e8efc58894d88e8c18b1e0f31e467b40", kill_on_drop: false }`
[INFO] [stdout] b591997b982047a2fea0b1547720e362e8efc58894d88e8c18b1e0f31e467b40
