[INFO] crate xalloc 0.2.6 is already in cache
[INFO] extracting crate xalloc 0.2.6 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/xalloc/0.2.6
[INFO] extracting crate xalloc 0.2.6 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/xalloc/0.2.6
[INFO] validating manifest of xalloc-0.2.6 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xalloc-0.2.6 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xalloc-0.2.6
[INFO] finished frobbing xalloc-0.2.6
[INFO] frobbed toml for xalloc-0.2.6 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/xalloc/0.2.6/Cargo.toml
[INFO] started frobbing xalloc-0.2.6
[INFO] finished frobbing xalloc-0.2.6
[INFO] frobbed toml for xalloc-0.2.6 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/xalloc/0.2.6/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xalloc-0.2.6 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-5/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/xalloc/0.2.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d35ccab087d965a2936aaf0ea66dfeca50ee9063e4bfe6d1b47964e35a0228cb
[INFO] running `"docker" "start" "-a" "d35ccab087d965a2936aaf0ea66dfeca50ee9063e4bfe6d1b47964e35a0228cb"`
[INFO] [stderr]     Checking xalloc v0.2.6 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tlsf.rs:889:21
[INFO] [stderr]     |
[INFO] [stderr] 889 |                 let mut next_block = blocks.get_unchecked_mut(next_ptr);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tlsf.rs:889:21
[INFO] [stderr]     |
[INFO] [stderr] 889 |                 let mut next_block = blocks.get_unchecked_mut(next_ptr);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "d35ccab087d965a2936aaf0ea66dfeca50ee9063e4bfe6d1b47964e35a0228cb"`
[INFO] running `"docker" "rm" "-f" "d35ccab087d965a2936aaf0ea66dfeca50ee9063e4bfe6d1b47964e35a0228cb"`
[INFO] [stdout] d35ccab087d965a2936aaf0ea66dfeca50ee9063e4bfe6d1b47964e35a0228cb