[INFO] cloning repository https://github.com/nnarain/quartz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnarain/quartz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnarain%2Fquartz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnarain%2Fquartz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98778676e4b48f4587ad188abbd39a084c5dbded
[INFO] testing nnarain/quartz against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnarain%2Fquartz" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnarain/quartz on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nnarain/quartz
[INFO] finished tweaking git repo https://github.com/nnarain/quartz
[INFO] tweaked toml for git repo https://github.com/nnarain/quartz written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/nnarain/quartz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62df492f1bce565b07825befcab622eafa4ada7cfbf0dfc96fece188452f704c
[INFO] running `Command { std: "docker" "start" "-a" "62df492f1bce565b07825befcab622eafa4ada7cfbf0dfc96fece188452f704c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62df492f1bce565b07825befcab622eafa4ada7cfbf0dfc96fece188452f704c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62df492f1bce565b07825befcab622eafa4ada7cfbf0dfc96fece188452f704c", kill_on_drop: false }`
[INFO] [stdout] 62df492f1bce565b07825befcab622eafa4ada7cfbf0dfc96fece188452f704c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e00baecc1c1cd9836d4971a78383dbc5315b735f1648e46eeeeb6c8981ee71
[INFO] running `Command { std: "docker" "start" "-a" "80e00baecc1c1cd9836d4971a78383dbc5315b735f1648e46eeeeb6c8981ee71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling libchip8 v0.1.0 (/opt/rustwide/workdir/libchip8)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> libchip8/src/lib.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout] 29 +     key_wait: Option<Box<dyn FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> libchip8/src/lib.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stdout] 32 +     on_display_update: Option<Box<dyn FnMut() + 'a>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> libchip8/src/lib.rs:400:50
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 400 -     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stdout] 400 +     pub fn set_key_wait(&mut self, key_wait: Box<dyn FnMut() -> u8 + 'a>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> libchip8/src/lib.rs:404:68
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 404 -     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stdout] 404 +     pub fn set_on_display_update(&mut self, on_display_update: Box<dyn FnMut() + 'a>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling quartz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:141:60
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 - fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout] 141 + fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `Command { std: "docker" "inspect" "80e00baecc1c1cd9836d4971a78383dbc5315b735f1648e46eeeeb6c8981ee71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e00baecc1c1cd9836d4971a78383dbc5315b735f1648e46eeeeb6c8981ee71", kill_on_drop: false }`
[INFO] [stdout] 80e00baecc1c1cd9836d4971a78383dbc5315b735f1648e46eeeeb6c8981ee71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd41fd9806fde346ba655d5300fe597cb456516c21707be1370b1f0ea0a954f
[INFO] running `Command { std: "docker" "start" "-a" "9fd41fd9806fde346ba655d5300fe597cb456516c21707be1370b1f0ea0a954f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> libchip8/src/lib.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout] 29 +     key_wait: Option<Box<dyn FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> libchip8/src/lib.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stdout] 32 +     on_display_update: Option<Box<dyn FnMut() + 'a>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> libchip8/src/lib.rs:400:50
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 400 -     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stdout] 400 +     pub fn set_key_wait(&mut self, key_wait: Box<dyn FnMut() -> u8 + 'a>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> libchip8/src/lib.rs:404:68
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 404 -     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stdout] 404 +     pub fn set_on_display_update(&mut self, on_display_update: Box<dyn FnMut() + 'a>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quartz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:141:60
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 - fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout] 141 + fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9fd41fd9806fde346ba655d5300fe597cb456516c21707be1370b1f0ea0a954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd41fd9806fde346ba655d5300fe597cb456516c21707be1370b1f0ea0a954f", kill_on_drop: false }`
[INFO] [stdout] 9fd41fd9806fde346ba655d5300fe597cb456516c21707be1370b1f0ea0a954f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81fc767dd06bcce50fd133f7c18216a5ba7af3311b4871ab7da00d38d2d114ab
[INFO] running `Command { std: "docker" "start" "-a" "81fc767dd06bcce50fd133f7c18216a5ba7af3311b4871ab7da00d38d2d114ab", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> libchip8/src/lib.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 -     key_wait: Option<Box<FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stderr] 29 +     key_wait: Option<Box<dyn FnMut() -> u8 + 'a>>, // function that waits for key press and returns value
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> libchip8/src/lib.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -     on_display_update: Option<Box<FnMut() + 'a>>,
[INFO] [stderr] 32 +     on_display_update: Option<Box<dyn FnMut() + 'a>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> libchip8/src/lib.rs:400:50
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 400 -     pub fn set_key_wait(&mut self, key_wait: Box<FnMut() -> u8 + 'a>) {
[INFO] [stderr] 400 +     pub fn set_key_wait(&mut self, key_wait: Box<dyn FnMut() -> u8 + 'a>) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> libchip8/src/lib.rs:404:68
[INFO] [stderr]     |
[INFO] [stderr] 404 |     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 404 -     pub fn set_on_display_update(&mut self, on_display_update: Box<FnMut() + 'a>) {
[INFO] [stderr] 404 +     pub fn set_on_display_update(&mut self, on_display_update: Box<dyn FnMut() + 'a>) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `libchip8` (lib) generated 4 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:141:60
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                            ^^^^^
[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] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 141 - fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr] 141 + fn load_rom_file(rom_file: &String) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `quartz` (bin "quartz" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quartz-5605e879fefa0292)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quartz-9de24777357f48ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quartz
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81fc767dd06bcce50fd133f7c18216a5ba7af3311b4871ab7da00d38d2d114ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fc767dd06bcce50fd133f7c18216a5ba7af3311b4871ab7da00d38d2d114ab", kill_on_drop: false }`
[INFO] [stdout] 81fc767dd06bcce50fd133f7c18216a5ba7af3311b4871ab7da00d38d2d114ab