[INFO] fetching crate rusty-boy-advance 0.0.4...
[INFO] testing rusty-boy-advance-0.0.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rusty-boy-advance 0.0.4 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rusty-boy-advance 0.0.4 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 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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] cdb4610e8ea9cb00a2ae05be1d9ee0599ccb446ebbe44bbc51e414c1d6f6953a
[INFO] running `Command { std: "docker" "start" "-a" "cdb4610e8ea9cb00a2ae05be1d9ee0599ccb446ebbe44bbc51e414c1d6f6953a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb4610e8ea9cb00a2ae05be1d9ee0599ccb446ebbe44bbc51e414c1d6f6953a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb4610e8ea9cb00a2ae05be1d9ee0599ccb446ebbe44bbc51e414c1d6f6953a", kill_on_drop: false }`
[INFO] [stdout] cdb4610e8ea9cb00a2ae05be1d9ee0599ccb446ebbe44bbc51e414c1d6f6953a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 376aa247dc0da98897ba02a0dd5cf5337b8cf0bc68e54dc17f8cc12812334428
[INFO] running `Command { std: "docker" "start" "-a" "376aa247dc0da98897ba02a0dd5cf5337b8cf0bc68e54dc17f8cc12812334428", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_concat_ext)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `println_maybe`
[INFO] [stdout]  --> src/gba/gba.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! println_maybe {
[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]     |       ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -       (i32::from(gba.fetch_u16(addr) as i16) as u32) // Sign extend
[INFO] [stdout] 384 +       i32::from(gba.fetch_u16(addr) as i16) as u32 // Sign extend
[INFO] [stdout]     | 
[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]     |     ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 389 -     (i32::from(gba.fetch_byte(addr) as i8) as u32) // Sign extend
[INFO] [stdout] 389 +     i32::from(gba.fetch_byte(addr) as i8) as u32 // Sign extend
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-boy-advance` due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "376aa247dc0da98897ba02a0dd5cf5337b8cf0bc68e54dc17f8cc12812334428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376aa247dc0da98897ba02a0dd5cf5337b8cf0bc68e54dc17f8cc12812334428", kill_on_drop: false }`
[INFO] [stdout] 376aa247dc0da98897ba02a0dd5cf5337b8cf0bc68e54dc17f8cc12812334428