[INFO] fetching crate rusty-boy-advance 0.0.4...
[INFO] checking rusty-boy-advance-0.0.4 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rusty-boy-advance 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rusty-boy-advance 0.0.4 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-boy-advance 0.0.4
[INFO] finished tweaking crates.io crate rusty-boy-advance 0.0.4
[INFO] tweaked toml for crates.io crate rusty-boy-advance 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2dd1b2ab94c67fd9126e34c36f464912f6a438c21fd54294b0b2413deb25a67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2dd1b2ab94c67fd9126e34c36f464912f6a438c21fd54294b0b2413deb25a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2dd1b2ab94c67fd9126e34c36f464912f6a438c21fd54294b0b2413deb25a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2dd1b2ab94c67fd9126e34c36f464912f6a438c21fd54294b0b2413deb25a67", kill_on_drop: false }`
[INFO] [stdout] b2dd1b2ab94c67fd9126e34c36f464912f6a438c21fd54294b0b2413deb25a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa8bfc2db4e3507286448f7be989770579aa38cb58885a0c1ff7cab31f17d81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1aa8bfc2db4e3507286448f7be989770579aa38cb58885a0c1ff7cab31f17d81", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty-boy-advance v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::slice::SliceConcatExt`
[INFO] [stdout]  --> src/gba/gba.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::{boxed::Box, format, slice::SliceConcatExt, string::String, vec::Vec};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^ no `SliceConcatExt` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/gba/gba.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! println_maybe {
[INFO] [stdout] 8  | |   ($($arg:tt)*) => {{
[INFO] [stdout] 9  | |     let x = format!($($arg)*);
[INFO] [stdout] 10 | |     //dbg!(x);
[INFO] [stdout] 11 | |     //println!($($arg)*);
[INFO] [stdout] 12 | |   }};
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/gba/instructions/thumb.rs:384:7
[INFO] [stdout]     |
[INFO] [stdout] 384 |       (i32::from(gba.fetch_u16(addr) as i16) as u32) // Sign extend
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::slice::SliceConcatExt`
[INFO] [stdout]  --> src/gba/gba.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::{boxed::Box, format, slice::SliceConcatExt, string::String, vec::Vec};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^ no `SliceConcatExt` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/gba/instructions/thumb.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     (i32::from(gba.fetch_byte(addr) as i8) as u32) // Sign extend
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/gba/gba.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! println_maybe {
[INFO] [stdout] 8  | |   ($($arg:tt)*) => {{
[INFO] [stdout] 9  | |     let x = format!($($arg)*);
[INFO] [stdout] 10 | |     //dbg!(x);
[INFO] [stdout] 11 | |     //println!($($arg)*);
[INFO] [stdout] 12 | |   }};
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/gba/instructions/thumb.rs:384:7
[INFO] [stdout]     |
[INFO] [stdout] 384 |       (i32::from(gba.fetch_u16(addr) as i16) as u32) // Sign extend
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/gba/instructions/thumb.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     (i32::from(gba.fetch_byte(addr) as i8) as u32) // Sign extend
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-boy-advance`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1aa8bfc2db4e3507286448f7be989770579aa38cb58885a0c1ff7cab31f17d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa8bfc2db4e3507286448f7be989770579aa38cb58885a0c1ff7cab31f17d81", kill_on_drop: false }`
[INFO] [stdout] 1aa8bfc2db4e3507286448f7be989770579aa38cb58885a0c1ff7cab31f17d81