[INFO] cloning repository https://github.com/hiuryoliveira/sorting_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiuryoliveira/sorting_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiuryoliveira%2Fsorting_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiuryoliveira%2Fsorting_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3ca7700cba1873acc56d1b854d0a8f4b36f7a05
[INFO] checking hiuryoliveira/sorting_algorithms against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiuryoliveira%2Fsorting_algorithms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiuryoliveira/sorting_algorithms on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hiuryoliveira/sorting_algorithms
[INFO] finished tweaking git repo https://github.com/hiuryoliveira/sorting_algorithms
[INFO] tweaked toml for git repo https://github.com/hiuryoliveira/sorting_algorithms written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hiuryoliveira/sorting_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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 585d061c3f9bc26c7274bfd61c462b93e04fe5424037e4f19344085d09c4306c
[INFO] running `Command { std: "docker" "start" "-a" "585d061c3f9bc26c7274bfd61c462b93e04fe5424037e4f19344085d09c4306c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "585d061c3f9bc26c7274bfd61c462b93e04fe5424037e4f19344085d09c4306c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585d061c3f9bc26c7274bfd61c462b93e04fe5424037e4f19344085d09c4306c", kill_on_drop: false }`
[INFO] [stdout] 585d061c3f9bc26c7274bfd61c462b93e04fe5424037e4f19344085d09c4306c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e079e1529c15ac3f7907aa53dea9a5d6bcb8286e3070a0a9a24af4ffdf5cf581
[INFO] running `Command { std: "docker" "start" "-a" "e079e1529c15ac3f7907aa53dea9a5d6bcb8286e3070a0a9a24af4ffdf5cf581", kill_on_drop: false }`
[INFO] [stderr]     Checking sorting_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn insertion_sort<T: Ord>(data: &mut [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/main.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn selection_sort(data : &mut Vec<i32>) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn merge(data: &mut Vec<i32>, left: usize, middle: usize, right: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_sort` is never used
[INFO] [stdout]   --> src/main.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub(crate) fn merge_sort(arr: &mut Vec<i32>, start: usize, end: usize) {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]   --> src/main.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub(crate) fn bubble_sort<T: Ord>(sortable: &mut [T]) {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e079e1529c15ac3f7907aa53dea9a5d6bcb8286e3070a0a9a24af4ffdf5cf581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e079e1529c15ac3f7907aa53dea9a5d6bcb8286e3070a0a9a24af4ffdf5cf581", kill_on_drop: false }`
[INFO] [stdout] e079e1529c15ac3f7907aa53dea9a5d6bcb8286e3070a0a9a24af4ffdf5cf581