[INFO] cloning repository https://github.com/RTahiiev/sort_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RTahiiev/sort_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTahiiev%2Fsort_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTahiiev%2Fsort_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e659e36891256611e3539027748c7a88115328fe
[INFO] checking RTahiiev/sort_algorithms against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTahiiev%2Fsort_algorithms" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RTahiiev/sort_algorithms on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RTahiiev/sort_algorithms
[INFO] finished tweaking git repo https://github.com/RTahiiev/sort_algorithms
[INFO] tweaked toml for git repo https://github.com/RTahiiev/sort_algorithms written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RTahiiev/sort_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking RTahiiev/sort_algorithms against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTahiiev%2Fsort_algorithms" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RTahiiev/sort_algorithms on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RTahiiev/sort_algorithms
[INFO] finished tweaking git repo https://github.com/RTahiiev/sort_algorithms
[INFO] tweaked toml for git repo https://github.com/RTahiiev/sort_algorithms written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RTahiiev/sort_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc899d0f301f1c43cb2a7ddca8121bb059cf5d2a43ee6b08e5b01535b469b79
[INFO] running `Command { std: "docker" "start" "-a" "4dc899d0f301f1c43cb2a7ddca8121bb059cf5d2a43ee6b08e5b01535b469b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc899d0f301f1c43cb2a7ddca8121bb059cf5d2a43ee6b08e5b01535b469b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc899d0f301f1c43cb2a7ddca8121bb059cf5d2a43ee6b08e5b01535b469b79", kill_on_drop: false }`
[INFO] [stdout] 4dc899d0f301f1c43cb2a7ddca8121bb059cf5d2a43ee6b08e5b01535b469b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf63105419c07b3f2ecfc03ed983b99c069a2d4f7de1a14439f06d3174992ade
[INFO] running `Command { std: "docker" "start" "-a" "cf63105419c07b3f2ecfc03ed983b99c069a2d4f7de1a14439f06d3174992ade", kill_on_drop: false }`
[INFO] [stderr]     Checking sort_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn bubble_sort<T: PartialOrd>(arr: &mut Vec<T>) -> &Vec<T> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]   --> src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn selection_sort<T: PartialOrd>(arr: &mut Vec<T>) -> &Vec<T> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]   --> src/lib.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn insertion_sort<T: PartialOrd>(arr: &mut Vec<T>) -> &Vec<T> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_sort` is never used
[INFO] [stdout]   --> src/lib.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn merge_sort<T: PartialOrd + Debug + Copy>(arr: &mut Vec<T>, l: usize, r: usize) -> &Vec<T> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn merge<T: PartialOrd + Sized + Debug + Copy>(
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `heap_sort` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn heap_sort<T: PartialOrd + Debug>(arr: &mut Vec<T>) -> &Vec<T> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `heapify` is never used
[INFO] [stdout]    --> src/lib.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn heapify<T: PartialOrd>(arr: &mut Vec<T>, size: usize, index: usize) -> &Vec<T> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_heap` is never used
[INFO] [stdout]    --> src/lib.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn build_heap<T: PartialOrd + Debug>(arr: &mut Vec<T>) -> &Vec<T> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn quick_sort<T: PartialOrd + Sized + Debug + Copy>(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition` is never used
[INFO] [stdout]    --> src/lib.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn partition<T: PartialOrd + Sized + Debug + Copy>(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "cf63105419c07b3f2ecfc03ed983b99c069a2d4f7de1a14439f06d3174992ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf63105419c07b3f2ecfc03ed983b99c069a2d4f7de1a14439f06d3174992ade", kill_on_drop: false }`
[INFO] [stdout] cf63105419c07b3f2ecfc03ed983b99c069a2d4f7de1a14439f06d3174992ade