[INFO] fetching crate snes-bitplanes 0.2.1...
[INFO] checking snes-bitplanes-0.2.1 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate snes-bitplanes 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate snes-bitplanes 0.2.1 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7200ed85f7647f3af8a252a5cc22b934e9e54ec06246fca60d951e2335596cf9
[INFO] running `Command { std: "docker" "start" "-a" "7200ed85f7647f3af8a252a5cc22b934e9e54ec06246fca60d951e2335596cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7200ed85f7647f3af8a252a5cc22b934e9e54ec06246fca60d951e2335596cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7200ed85f7647f3af8a252a5cc22b934e9e54ec06246fca60d951e2335596cf9", kill_on_drop: false }`
[INFO] [stdout] 7200ed85f7647f3af8a252a5cc22b934e9e54ec06246fca60d951e2335596cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 823b8e07e60c6e9798f1e1970ddaf0c18cf5485e05f8390a5c3c7c8d7a2d9e8c
[INFO] running `Command { std: "docker" "start" "-a" "823b8e07e60c6e9798f1e1970ddaf0c18cf5485e05f8390a5c3c7c8d7a2d9e8c", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snes-bitplanes`.
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "823b8e07e60c6e9798f1e1970ddaf0c18cf5485e05f8390a5c3c7c8d7a2d9e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823b8e07e60c6e9798f1e1970ddaf0c18cf5485e05f8390a5c3c7c8d7a2d9e8c", kill_on_drop: false }`
[INFO] [stdout] 823b8e07e60c6e9798f1e1970ddaf0c18cf5485e05f8390a5c3c7c8d7a2d9e8c