[INFO] cloning repository https://github.com/alanhoff/rust-endless-jumper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alanhoff/rust-endless-jumper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frust-endless-jumper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frust-endless-jumper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7be7fcff73857868aca95172e34ac6d94a0a6e95
[INFO] checking alanhoff/rust-endless-jumper against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frust-endless-jumper" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alanhoff/rust-endless-jumper
[INFO] finished tweaking git repo https://github.com/alanhoff/rust-endless-jumper
[INFO] tweaked toml for git repo https://github.com/alanhoff/rust-endless-jumper written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alanhoff/rust-endless-jumper on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alanhoff/rust-endless-jumper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.27.3
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded num-integer v0.1.33
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded sdl2 v0.29.1
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ede321a1df3b73ccbff5c74dd6ad11111519376be83038a5713f33ec5df16c
[INFO] running `Command { std: "docker" "start" "-a" "f3ede321a1df3b73ccbff5c74dd6ad11111519376be83038a5713f33ec5df16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ede321a1df3b73ccbff5c74dd6ad11111519376be83038a5713f33ec5df16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ede321a1df3b73ccbff5c74dd6ad11111519376be83038a5713f33ec5df16c", kill_on_drop: false }`
[INFO] [stdout] f3ede321a1df3b73ccbff5c74dd6ad11111519376be83038a5713f33ec5df16c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75e99717abec7c80e0ea9813cb78ee0dc7367246b44311402952da7e5fc0f4b
[INFO] running `Command { std: "docker" "start" "-a" "d75e99717abec7c80e0ea9813cb78ee0dc7367246b44311402952da7e5fc0f4b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.29.1
[INFO] [stderr]     Checking rust-endless-jumper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn on_load(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:200:29
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn on_unload(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn on_event(&mut self, Event, &mut Context) -> Loop {
[INFO] [stdout]     |                            ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Event`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:203:35
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn on_event(&mut self, Event, &mut Context) -> Loop {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:206:27
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn on_tick(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/helpers.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Rect::new(((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32),
[INFO] [stdout]    |               ^                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Rect::new(((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32),
[INFO] [stdout] 12 +     Rect::new((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32 ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/helpers.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |               ((config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32),
[INFO] [stdout]    |               ^                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -               ((config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32),
[INFO] [stdout] 13 +               (config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32 ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:55:40
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub scenarios: HashMap<String, Box<Scene + '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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub scenarios: HashMap<String, Box<dyn Scene + 'a>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn on_load(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:200:29
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn on_unload(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn on_event(&mut self, Event, &mut Context) -> Loop {
[INFO] [stdout]     |                            ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Event`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:203:35
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn on_event(&mut self, Event, &mut Context) -> Loop {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/engine.rs:206:27
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn on_tick(&mut self, &mut Context) -> Loop {
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/helpers.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Rect::new(((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32),
[INFO] [stdout]    |               ^                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Rect::new(((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32),
[INFO] [stdout] 12 +     Rect::new((config::WINDOW_WIDTH as i32 / 2i32) - (width / 2i32) + horizontal_offset as i32 ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/helpers.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |               ((config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32),
[INFO] [stdout]    |               ^                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -               ((config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32),
[INFO] [stdout] 13 +               (config::WINDOW_HEIGHT as i32 / 2i32) - (height / 2i32) + vertical_offset as i32 ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:55:40
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub scenarios: HashMap<String, Box<Scene + '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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub scenarios: HashMap<String, Box<dyn Scene + 'a>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scenarios/menu.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn on_load(&mut self, mut ctx: &mut Context) -> Loop {
[INFO] [stdout]    |                           ----^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scenarios/game.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut font = ctx.fonts.get_mut("default".into()).unwrap();
[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/scenarios/game.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for mut obstacle in self.obstacles.iter_mut() {
[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/scenarios/game.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for mut obstacle in self.obstacles.iter_mut() {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sdl2_context` is never read
[INFO] [stdout]   --> src/engine.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Context<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 41 |     pub sdl2_context: sdl2::Sdl,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timer` is never read
[INFO] [stdout]   --> src/scenarios/game.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Obstacle {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub timer: Instant,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obstacle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scenarios/menu.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn on_load(&mut self, mut ctx: &mut Context) -> Loop {
[INFO] [stdout]    |                           ----^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scenarios/game.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut font = ctx.fonts.get_mut("default".into()).unwrap();
[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/scenarios/game.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for mut obstacle in self.obstacles.iter_mut() {
[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/scenarios/game.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for mut obstacle in self.obstacles.iter_mut() {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sdl2_context` is never read
[INFO] [stdout]   --> src/engine.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Context<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 41 |     pub sdl2_context: sdl2::Sdl,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timer` is never read
[INFO] [stdout]   --> src/scenarios/game.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Obstacle {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub timer: Instant,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obstacle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d75e99717abec7c80e0ea9813cb78ee0dc7367246b44311402952da7e5fc0f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75e99717abec7c80e0ea9813cb78ee0dc7367246b44311402952da7e5fc0f4b", kill_on_drop: false }`
[INFO] [stdout] d75e99717abec7c80e0ea9813cb78ee0dc7367246b44311402952da7e5fc0f4b
