[INFO] cloning repository https://github.com/jlippitt/snailemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlippitt/snailemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlippitt%2Fsnailemu", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87bc45e404d7812983ba1257230f81155a8f611e
[INFO] testing jlippitt/snailemu against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlippitt%2Fsnailemu" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlippitt/snailemu on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlippitt/snailemu
[INFO] finished tweaking git repo https://github.com/jlippitt/snailemu
[INFO] tweaked toml for git repo https://github.com/jlippitt/snailemu written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/jlippitt/snailemu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-iter v0.1.32
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[INFO] [stderr]   Downloaded sdl2 v0.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "f88f083919260c3585d8b61fdaa4b9dc61d0db93a7d7545eb881d2aa4fde5fae", kill_on_drop: false }`
[INFO] [stdout] f88f083919260c3585d8b61fdaa4b9dc61d0db93a7d7545eb881d2aa4fde5fae
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[INFO] [stdout] 02b80ee996e1eb4835070a2bee2639d9cac20bf6ce0d766209bc9d613221eb76
[INFO] running `Command { std: "docker" "start" "-a" "02b80ee996e1eb4835070a2bee2639d9cac20bf6ce0d766209bc9d613221eb76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling sdl2 v0.29.1
[INFO] [stderr]    Compiling snailemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hardware/hardware.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     bus: &'a mut HardwareBus,
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/hardware.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (bus, offset, cycles): (&mut HardwareBus, usize, u64) = if bank & 0x40 != 0 {
[INFO] [stdout]     |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/hardware.rs:290:29
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn new(bus: &'a mut HardwareBus, offset: usize, cycles: u64) -> MemoryLocation<'a> {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/joypad.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / bitflags! {
[INFO] [stdout] 14 | |     pub flags ButtonState: u16 {
[INFO] [stdout] 15 | |         const B = 0x8000,
[INFO] [stdout] 16 | |         const Y = 0x4000,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/joypad.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / bitflags! {
[INFO] [stdout] 14 | |     pub flags ButtonState: u16 {
[INFO] [stdout] 15 | |         const B = 0x8000,
[INFO] [stdout] 16 | |         const Y = 0x4000,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hardware/ppu/background_mode.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | type ModeFn = Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/hardware/ppu/mode_7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/registers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / bitflags! {
[INFO] [stdout] 26 | |     flags CpuAction: u8 {
[INFO] [stdout] 27 | |         const NMI = 0x80,
[INFO] [stdout] 28 | |         const IRQ = 0x40,
[INFO] [stdout] 29 | |         const DMA = 0x20
[INFO] [stdout] 30 | |     }
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/registers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / bitflags! {
[INFO] [stdout] 26 | |     flags CpuAction: u8 {
[INFO] [stdout] 27 | |         const NMI = 0x80,
[INFO] [stdout] 28 | |         const IRQ = 0x40,
[INFO] [stdout] 29 | |         const DMA = 0x20
[INFO] [stdout] 30 | |     }
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/cpu.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 op_code @ _ => panic!("Unrecognised op code: {:02X}", op_code)
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hardware`
[INFO] [stdout]    --> src/cpu/cpu.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn hardware(&self) -> &Hardware {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `joypad`
[INFO] [stdout]    --> src/hardware/hardware.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn joypad(&self) -> &Joypad {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `background_mode`
[INFO] [stdout]    --> src/hardware/ppu/ppu.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn background_mode(&self) -> &BackgroundMode {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Interlace`
[INFO] [stdout]   --> src/hardware/screen.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Interlace(InterlaceFrame)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Even`
[INFO] [stdout]   --> src/hardware/screen.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Even,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Odd`
[INFO] [stdout]   --> src/hardware/screen.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Odd
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/hardware/screen.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |             panic!(sdl2::get_error());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 104 |             panic!("{}", sdl2::get_error());
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 58.53s
[INFO] running `Command { std: "docker" "inspect" "02b80ee996e1eb4835070a2bee2639d9cac20bf6ce0d766209bc9d613221eb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b80ee996e1eb4835070a2bee2639d9cac20bf6ce0d766209bc9d613221eb76", kill_on_drop: false }`
[INFO] [stdout] 02b80ee996e1eb4835070a2bee2639d9cac20bf6ce0d766209bc9d613221eb76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365cc9d2307f0b086439a50bdd0daaba76344de0a7a24d5efe36e26ca07fb9d0
[INFO] running `Command { std: "docker" "start" "-a" "365cc9d2307f0b086439a50bdd0daaba76344de0a7a24d5efe36e26ca07fb9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling snailemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hardware/hardware.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     bus: &'a mut HardwareBus,
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/hardware.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (bus, offset, cycles): (&mut HardwareBus, usize, u64) = if bank & 0x40 != 0 {
[INFO] [stdout]     |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hardware/hardware.rs:290:29
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn new(bus: &'a mut HardwareBus, offset: usize, cycles: u64) -> MemoryLocation<'a> {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/joypad.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / bitflags! {
[INFO] [stdout] 14 | |     pub flags ButtonState: u16 {
[INFO] [stdout] 15 | |         const B = 0x8000,
[INFO] [stdout] 16 | |         const Y = 0x4000,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/joypad.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / bitflags! {
[INFO] [stdout] 14 | |     pub flags ButtonState: u16 {
[INFO] [stdout] 15 | |         const B = 0x8000,
[INFO] [stdout] 16 | |         const Y = 0x4000,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hardware/ppu/background_mode.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | type ModeFn = Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/hardware/ppu/mode_7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/registers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / bitflags! {
[INFO] [stdout] 26 | |     flags CpuAction: u8 {
[INFO] [stdout] 27 | |         const NMI = 0x80,
[INFO] [stdout] 28 | |         const IRQ = 0x40,
[INFO] [stdout] 29 | |         const DMA = 0x20
[INFO] [stdout] 30 | |     }
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hardware/registers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / bitflags! {
[INFO] [stdout] 26 | |     flags CpuAction: u8 {
[INFO] [stdout] 27 | |         const NMI = 0x80,
[INFO] [stdout] 28 | |         const IRQ = 0x40,
[INFO] [stdout] 29 | |         const DMA = 0x20
[INFO] [stdout] 30 | |     }
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/cpu.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 op_code @ _ => panic!("Unrecognised op code: {:02X}", op_code)
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hardware`
[INFO] [stdout]    --> src/cpu/cpu.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn hardware(&self) -> &Hardware {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `joypad`
[INFO] [stdout]    --> src/hardware/hardware.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn joypad(&self) -> &Joypad {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `background_mode`
[INFO] [stdout]    --> src/hardware/ppu/ppu.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn background_mode(&self) -> &BackgroundMode {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Interlace`
[INFO] [stdout]   --> src/hardware/screen.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Interlace(InterlaceFrame)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Even`
[INFO] [stdout]   --> src/hardware/screen.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Even,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Odd`
[INFO] [stdout]   --> src/hardware/screen.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Odd
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/hardware/screen.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |             panic!(sdl2::get_error());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 104 |             panic!("{}", sdl2::get_error());
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "365cc9d2307f0b086439a50bdd0daaba76344de0a7a24d5efe36e26ca07fb9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365cc9d2307f0b086439a50bdd0daaba76344de0a7a24d5efe36e26ca07fb9d0", kill_on_drop: false }`
[INFO] [stdout] 365cc9d2307f0b086439a50bdd0daaba76344de0a7a24d5efe36e26ca07fb9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 406c16e4b23fc698f25e6889378b620a6cd071ea045d5f860ef3933a48b8740e
[INFO] running `Command { std: "docker" "start" "-a" "406c16e4b23fc698f25e6889378b620a6cd071ea045d5f860ef3933a48b8740e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hardware/hardware.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     bus: &'a mut HardwareBus,
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hardware/hardware.rs:175:42
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let (bus, offset, cycles): (&mut HardwareBus, usize, u64) = if bank & 0x40 != 0 {
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hardware/hardware.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn new(bus: &'a mut HardwareBus, offset: usize, cycles: u64) -> MemoryLocation<'a> {
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn HardwareBus`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/hardware/joypad.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / bitflags! {
[INFO] [stderr] 14 | |     pub flags ButtonState: u16 {
[INFO] [stderr] 15 | |         const B = 0x8000,
[INFO] [stderr] 16 | |         const Y = 0x4000,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/hardware/joypad.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / bitflags! {
[INFO] [stderr] 14 | |     pub flags ButtonState: u16 {
[INFO] [stderr] 15 | |         const B = 0x8000,
[INFO] [stderr] 16 | |         const Y = 0x4000,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hardware/ppu/background_mode.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 | type ModeFn = Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Ppu, usize, usize, ScreenLayer) -> Option<Pixel>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/hardware/ppu/mode_7.rs:4:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 4 | use std::mem;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/hardware/registers.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / bitflags! {
[INFO] [stderr] 26 | |     flags CpuAction: u8 {
[INFO] [stderr] 27 | |         const NMI = 0x80,
[INFO] [stderr] 28 | |         const IRQ = 0x40,
[INFO] [stderr] 29 | |         const DMA = 0x20
[INFO] [stderr] 30 | |     }
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cpu/cpu.rs:400:27
[INFO] [stderr]     |
[INFO] [stderr] 400 |                 op_code @ _ => panic!("Unrecognised op code: {:02X}", op_code)
[INFO] [stderr]     |                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hardware`
[INFO] [stderr]    --> src/cpu/cpu.rs:422:12
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn hardware(&self) -> &Hardware {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `joypad`
[INFO] [stderr]    --> src/hardware/hardware.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn joypad(&self) -> &Joypad {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `background_mode`
[INFO] [stderr]    --> src/hardware/ppu/ppu.rs:141:12
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn background_mode(&self) -> &BackgroundMode {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interlace`
[INFO] [stderr]   --> src/hardware/screen.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Interlace(InterlaceFrame)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Even`
[INFO] [stderr]   --> src/hardware/screen.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Even,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Odd`
[INFO] [stderr]   --> src/hardware/screen.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Odd
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/hardware/screen.rs:104:20
[INFO] [stderr]     |
[INFO] [stderr] 104 |             panic!(sdl2::get_error());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 104 |             panic!("{}", sdl2::get_error());
[INFO] [stderr]     |                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `snailemu` (bin "snailemu" test) generated 17 warnings (1 duplicate)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snailemu-ff393f0abbcf3525)
[INFO] running `Command { std: "docker" "inspect" "406c16e4b23fc698f25e6889378b620a6cd071ea045d5f860ef3933a48b8740e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406c16e4b23fc698f25e6889378b620a6cd071ea045d5f860ef3933a48b8740e", kill_on_drop: false }`
[INFO] [stdout] 406c16e4b23fc698f25e6889378b620a6cd071ea045d5f860ef3933a48b8740e