[INFO] cloning repository https://github.com/Serdnad/Rust-sorts
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Serdnad/Rust-sorts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerdnad%2FRust-sorts"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerdnad%2FRust-sorts'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f94824ad115066a0d41dae71e0e0136f1679795
[INFO] checking Serdnad/Rust-sorts against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerdnad%2FRust-sorts" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Serdnad/Rust-sorts 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/Serdnad/Rust-sorts
[INFO] finished tweaking git repo https://github.com/Serdnad/Rust-sorts
[INFO] tweaked toml for git repo https://github.com/Serdnad/Rust-sorts written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Serdnad/Rust-sorts already has a lockfile, it will not be regenerated
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 35fba47ff635c4bf79f623791ff299e28f4cfff21eef4b8e1be4f4fe9f94ba30
[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" "35fba47ff635c4bf79f623791ff299e28f4cfff21eef4b8e1be4f4fe9f94ba30"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking sorts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]   --> src/sort.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn sort<T: num::Integer + Clone + Copy>(v: &mut Vec<T>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `median_index`
[INFO] [stderr]    --> src/sort.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn median_index<T: PartialOrd>(indices: &Vec<usize>, v: &[T]) -> usize {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sorted_vec`
[INFO] [stderr]   --> src/main.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn sorted_vec(size: usize) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_vec`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn print_vec<T: std::fmt::Debug>(v: &Vec<T>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]   --> src/sort.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn sort<T: num::Integer + Clone + Copy>(v: &mut Vec<T>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `median_index`
[INFO] [stderr]    --> src/sort.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn median_index<T: PartialOrd>(indices: &Vec<usize>, v: &[T]) -> usize {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sorted_vec`
[INFO] [stderr]   --> src/main.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn sorted_vec(size: usize) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_vec`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn print_vec<T: std::fmt::Debug>(v: &Vec<T>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `"docker" "inspect" "35fba47ff635c4bf79f623791ff299e28f4cfff21eef4b8e1be4f4fe9f94ba30"`
[INFO] running `"docker" "rm" "-f" "35fba47ff635c4bf79f623791ff299e28f4cfff21eef4b8e1be4f4fe9f94ba30"`
[INFO] [stdout] 35fba47ff635c4bf79f623791ff299e28f4cfff21eef4b8e1be4f4fe9f94ba30