[INFO] cloning repository https://github.com/victorfernandesraton/grafos-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorfernandesraton/grafos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorfernandesraton%2Fgrafos-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorfernandesraton%2Fgrafos-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00da99ad62367eff4a28658ec4a8947467b7fd25
[INFO] checking victorfernandesraton/grafos-rust against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorfernandesraton%2Fgrafos-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorfernandesraton/grafos-rust on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/victorfernandesraton/grafos-rust
[INFO] finished tweaking git repo https://github.com/victorfernandesraton/grafos-rust
[INFO] tweaked toml for git repo https://github.com/victorfernandesraton/grafos-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/victorfernandesraton/grafos-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9410dcf399d44c6c2597231768df9e9919e8f654defef548e0972a746780c498
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9410dcf399d44c6c2597231768df9e9919e8f654defef548e0972a746780c498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9410dcf399d44c6c2597231768df9e9919e8f654defef548e0972a746780c498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9410dcf399d44c6c2597231768df9e9919e8f654defef548e0972a746780c498", kill_on_drop: false }`
[INFO] [stdout] 9410dcf399d44c6c2597231768df9e9919e8f654defef548e0972a746780c498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9aab67e6bbae2c830f76993489444aa4c26e6ed84b6da1330eed1ea7a0ee4bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9aab67e6bbae2c830f76993489444aa4c26e6ed84b6da1330eed1ea7a0ee4bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking aps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `matrix_adjacence`
[INFO] [stdout]  --> src/grafo/utils.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn matrix_adjacence<A: Clone>(m: Vec<Vec<A>>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_edge`
[INFO] [stdout]   --> src/grafo/tree.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add_edge(&mut self, s: NodeIndex, t: NodeIndex) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `go_next`
[INFO] [stdout]   --> src/grafo/tree.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn go_next(&mut self, s: Index) -> Next {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_edge`
[INFO] [stdout]   --> src/grafo/tree.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add_edge(&mut self, s: NodeIndex, t: NodeIndex) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `go_next`
[INFO] [stdout]   --> src/grafo/tree.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn go_next(&mut self, s: Index) -> Next {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "e9aab67e6bbae2c830f76993489444aa4c26e6ed84b6da1330eed1ea7a0ee4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9aab67e6bbae2c830f76993489444aa4c26e6ed84b6da1330eed1ea7a0ee4bb", kill_on_drop: false }`
[INFO] [stdout] e9aab67e6bbae2c830f76993489444aa4c26e6ed84b6da1330eed1ea7a0ee4bb