[INFO] fetching crate rusty-boy-advance 0.0.4...
[INFO] testing rusty-boy-advance-0.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rusty-boy-advance 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusty-boy-advance 0.0.4 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 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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 }`
[INFO] [stdout] 086880e77b0790ce75d1bc0af2f991e289e17d8ee89a06639284fb0c4fa2ef3f
[INFO] running `Command { std: "docker" "start" "-a" "086880e77b0790ce75d1bc0af2f991e289e17d8ee89a06639284fb0c4fa2ef3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086880e77b0790ce75d1bc0af2f991e289e17d8ee89a06639284fb0c4fa2ef3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086880e77b0790ce75d1bc0af2f991e289e17d8ee89a06639284fb0c4fa2ef3f", kill_on_drop: false }`
[INFO] [stdout] 086880e77b0790ce75d1bc0af2f991e289e17d8ee89a06639284fb0c4fa2ef3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91dcaaaa358bb9b1b4fbfbffa0b947a4164b243c64f894d45aab8b45d71c094d
[INFO] running `Command { std: "docker" "start" "-a" "91dcaaaa358bb9b1b4fbfbffa0b947a4164b243c64f894d45aab8b45d71c094d", 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] 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 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` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "91dcaaaa358bb9b1b4fbfbffa0b947a4164b243c64f894d45aab8b45d71c094d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dcaaaa358bb9b1b4fbfbffa0b947a4164b243c64f894d45aab8b45d71c094d", kill_on_drop: false }`
[INFO] [stdout] 91dcaaaa358bb9b1b4fbfbffa0b947a4164b243c64f894d45aab8b45d71c094d