[INFO] fetching crate snes-bitplanes 0.2.1...
[INFO] testing snes-bitplanes-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate snes-bitplanes 0.2.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate snes-bitplanes 0.2.1 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 snes-bitplanes 0.2.1
[INFO] finished tweaking crates.io crate snes-bitplanes 0.2.1
[INFO] tweaked toml for crates.io crate snes-bitplanes 0.2.1 written to /workspace/builds/worker-51/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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] c6df84b9ee7c5e2a3e01daaade763428791537ebb30732463c2385797d9056cc
[INFO] running `Command { std: "docker" "start" "-a" "c6df84b9ee7c5e2a3e01daaade763428791537ebb30732463c2385797d9056cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6df84b9ee7c5e2a3e01daaade763428791537ebb30732463c2385797d9056cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6df84b9ee7c5e2a3e01daaade763428791537ebb30732463c2385797d9056cc", kill_on_drop: false }`
[INFO] [stdout] c6df84b9ee7c5e2a3e01daaade763428791537ebb30732463c2385797d9056cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 0cf5e3e9496220e48613246610d6f5f0bf8b1c256ce9215a86084f73c49336ed
[INFO] running `Command { std: "docker" "start" "-a" "0cf5e3e9496220e48613246610d6f5f0bf8b1c256ce9215a86084f73c49336ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling snes-bitplanes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `SliceExt` in `slice`
[INFO] [stdout]   --> src/tile.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |         slice::SliceExt::iter(&self.0[..])
[INFO] [stdout]    |                ^^^^^^^^ could not find `SliceExt` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snes-bitplanes` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0cf5e3e9496220e48613246610d6f5f0bf8b1c256ce9215a86084f73c49336ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf5e3e9496220e48613246610d6f5f0bf8b1c256ce9215a86084f73c49336ed", kill_on_drop: false }`
[INFO] [stdout] 0cf5e3e9496220e48613246610d6f5f0bf8b1c256ce9215a86084f73c49336ed