[INFO] cloning repository https://github.com/fominok/sortlab
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fominok/sortlab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffominok%2Fsortlab"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffominok%2Fsortlab'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81759e3f7eac9e7569800700d0c6597d00949c5e
[INFO] checking fominok/sortlab against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffominok%2Fsortlab" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fominok/sortlab on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 169f8e779ad570a78f4e56bb6aab7b608e176aa53700d28c2c3c4d5a81d3cd09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "169f8e779ad570a78f4e56bb6aab7b608e176aa53700d28c2c3c4d5a81d3cd09"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `GetSortData`
[INFO] [stderr]   --> src/radix_sort.rs:46:8
[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: associated function is never used: `bytes_count`
[INFO] [stderr]   --> src/radix_sort.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn bytes_count<T>() -> u8
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes`
[INFO] [stderr]   --> src/radix_sort.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn bytes<T>(num: T) -> Vec<u8>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_signed`
[INFO] [stderr]   --> src/radix_sort.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn is_signed<T>() -> bool
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]   --> src/radix_sort.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn sort<T>(coll: &Vec<T>) -> Vec<T>
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parallel_sort`
[INFO] [stderr]    --> src/radix_sort.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub fn parallel_sort<T>(coll: &Vec<T>) -> Vec<T>
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `"docker" "inspect" "169f8e779ad570a78f4e56bb6aab7b608e176aa53700d28c2c3c4d5a81d3cd09"`
[INFO] running `"docker" "rm" "-f" "169f8e779ad570a78f4e56bb6aab7b608e176aa53700d28c2c3c4d5a81d3cd09"`
[INFO] [stdout] 169f8e779ad570a78f4e56bb6aab7b608e176aa53700d28c2c3c4d5a81d3cd09