[INFO] updating cached repository Serdnad/Rust-sorts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Serdnad/Rust-sorts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Serdnad/Rust-sorts" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Serdnad/Rust-sorts"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Serdnad/Rust-sorts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Serdnad/Rust-sorts" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Serdnad/Rust-sorts"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Serdnad/Rust-sorts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f94824ad115066a0d41dae71e0e0136f1679795
[INFO] sha for GitHub repo Serdnad/Rust-sorts: 8f94824ad115066a0d41dae71e0e0136f1679795
[INFO] validating manifest of Serdnad/Rust-sorts on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Serdnad/Rust-sorts on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Serdnad/Rust-sorts
[INFO] finished frobbing Serdnad/Rust-sorts
[INFO] frobbed toml for Serdnad/Rust-sorts written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Serdnad/Rust-sorts/Cargo.toml
[INFO] started frobbing Serdnad/Rust-sorts
[INFO] finished frobbing Serdnad/Rust-sorts
[INFO] frobbed toml for Serdnad/Rust-sorts written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Serdnad/Rust-sorts/Cargo.toml
[INFO] crate Serdnad/Rust-sorts already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Serdnad/Rust-sorts against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Serdnad/Rust-sorts:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9332c75196d4a3b50cb75d3ac7944d4932eb883562e436f1673e0bc7e4ea8b1
[INFO] running `"docker" "start" "-a" "c9332c75196d4a3b50cb75d3ac7944d4932eb883562e436f1673e0bc7e4ea8b1"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking sorts v0.1.0 (/opt/crater/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 9.48s
[INFO] running `"docker" "inspect" "c9332c75196d4a3b50cb75d3ac7944d4932eb883562e436f1673e0bc7e4ea8b1"`
[INFO] running `"docker" "rm" "-f" "c9332c75196d4a3b50cb75d3ac7944d4932eb883562e436f1673e0bc7e4ea8b1"`
[INFO] [stdout] c9332c75196d4a3b50cb75d3ac7944d4932eb883562e436f1673e0bc7e4ea8b1