[INFO] updating cached repository https://github.com/fominok/sortlab
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81759e3f7eac9e7569800700d0c6597d00949c5e
[INFO] checking fominok/sortlab against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffominok%2Fsortlab" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fominok/sortlab on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fominok/sortlab
[INFO] finished tweaking git repo https://github.com/fominok/sortlab
[INFO] tweaked toml for git repo https://github.com/fominok/sortlab written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47f5e80d94da099263e7003127c7501fc6a63e7f6493bf8afc1b6cbe062d1b50
[INFO] running `"docker" "start" "-a" "47f5e80d94da099263e7003127c7501fc6a63e7f6493bf8afc1b6cbe062d1b50"`
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `GetSortData`
[INFO] [stderr]   --> src/radix_sort.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | struct GetSortData;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bytes_count`
[INFO] [stderr]   --> src/radix_sort.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     fn bytes_count<T>() -> u8
[INFO] [stderr] 49 | |     where
[INFO] [stderr] 50 | |         T: HasSortData,
[INFO] [stderr] 51 | |     {
[INFO] [stderr] 52 | |         T::bytes_count()
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bytes`
[INFO] [stderr]   --> src/radix_sort.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     fn bytes<T>(num: T) -> Vec<u8>
[INFO] [stderr] 56 | |     where
[INFO] [stderr] 57 | |         T: HasSortData,
[INFO] [stderr] 58 | |     {
[INFO] [stderr] 59 | |         T::bytes(num)
[INFO] [stderr] 60 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_signed`
[INFO] [stderr]   --> src/radix_sort.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     fn is_signed<T>() -> bool
[INFO] [stderr] 63 | |     where
[INFO] [stderr] 64 | |         T: HasSortData,
[INFO] [stderr] 65 | |     {
[INFO] [stderr] 66 | |         T::is_signed()
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]    --> src/radix_sort.rs:70:1
[INFO] [stderr]     |
[INFO] [stderr] 70  | / pub fn sort<T>(coll: &Vec<T>) -> Vec<T>
[INFO] [stderr] 71  | | where
[INFO] [stderr] 72  | |     T: HasSortData + Copy + Default,
[INFO] [stderr] 73  | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |     v
[INFO] [stderr] 105 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parallel_sort`
[INFO] [stderr]    --> src/radix_sort.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | / pub fn parallel_sort<T>(coll: &Vec<T>) -> Vec<T>
[INFO] [stderr] 132 | | where
[INFO] [stderr] 133 | |     T: HasSortData + Copy + Default + Send + Sync,
[INFO] [stderr] 134 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |     v
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `"docker" "inspect" "47f5e80d94da099263e7003127c7501fc6a63e7f6493bf8afc1b6cbe062d1b50"`
[INFO] running `"docker" "rm" "-f" "47f5e80d94da099263e7003127c7501fc6a63e7f6493bf8afc1b6cbe062d1b50"`
[INFO] [stdout] 47f5e80d94da099263e7003127c7501fc6a63e7f6493bf8afc1b6cbe062d1b50