[INFO] fetching crate snes-bitplanes 0.2.1...
[INFO] extracting crate snes-bitplanes 0.2.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/snes-bitplanes/0.2.1
[INFO] extracting crate snes-bitplanes 0.2.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/snes-bitplanes/0.2.1
[INFO] validating manifest of snes-bitplanes-0.2.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snes-bitplanes-0.2.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snes-bitplanes-0.2.1
[INFO] finished frobbing snes-bitplanes-0.2.1
[INFO] frobbed toml for snes-bitplanes-0.2.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/snes-bitplanes/0.2.1/Cargo.toml
[INFO] started frobbing snes-bitplanes-0.2.1
[INFO] finished frobbing snes-bitplanes-0.2.1
[INFO] frobbed toml for snes-bitplanes-0.2.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/snes-bitplanes/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking snes-bitplanes-0.2.1 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/snes-bitplanes/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0241e77e6a4b9973cf04a721d772817cc0d75f64d5677d4fe061579b51cb71eb
[INFO] running `"docker" "start" "-a" "0241e77e6a4b9973cf04a721d772817cc0d75f64d5677d4fe061579b51cb71eb"`
[INFO] [stderr]     Checking snes-bitplanes v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `SliceExt` in `slice`
[INFO] [stderr]   --> src/tile.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |         slice::SliceExt::iter(&self.0[..])
[INFO] [stderr]    |                ^^^^^^^^ could not find `SliceExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `snes-bitplanes`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: could not find `SliceExt` in `slice`
[INFO] [stderr]   --> src/tile.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |         slice::SliceExt::iter(&self.0[..])
[INFO] [stderr]    |                ^^^^^^^^ could not find `SliceExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `snes-bitplanes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0241e77e6a4b9973cf04a721d772817cc0d75f64d5677d4fe061579b51cb71eb"`
[INFO] running `"docker" "rm" "-f" "0241e77e6a4b9973cf04a721d772817cc0d75f64d5677d4fe061579b51cb71eb"`
[INFO] [stdout] 0241e77e6a4b9973cf04a721d772817cc0d75f64d5677d4fe061579b51cb71eb