[INFO] cloning repository https://github.com/jarry-xiao/rust-graph-algos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jarry-xiao/rust-graph-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarry-xiao%2Frust-graph-algos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarry-xiao%2Frust-graph-algos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c8d0f9963482cb6c14e32635e1dfcf932303241 [INFO] checking jarry-xiao/rust-graph-algos against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarry-xiao%2Frust-graph-algos" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jarry-xiao/rust-graph-algos on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jarry-xiao/rust-graph-algos [INFO] finished tweaking git repo https://github.com/jarry-xiao/rust-graph-algos [INFO] tweaked toml for git repo https://github.com/jarry-xiao/rust-graph-algos written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jarry-xiao/rust-graph-algos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9cb1fbf1401fb00e323359df7a866366cdbbf1638d0274755d6d2e46af138158 [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" "9cb1fbf1401fb00e323359df7a866366cdbbf1638d0274755d6d2e46af138158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cb1fbf1401fb00e323359df7a866366cdbbf1638d0274755d6d2e46af138158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cb1fbf1401fb00e323359df7a866366cdbbf1638d0274755d6d2e46af138158", kill_on_drop: false }` [INFO] [stdout] 9cb1fbf1401fb00e323359df7a866366cdbbf1638d0274755d6d2e46af138158 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 74f9c9740a8930fe4d26937ab634d2f353ab5d5c8915e6f0a97c92897b4dcf7f [INFO] running `Command { std: "docker" "start" "-a" "74f9c9740a8930fe4d26937ab634d2f353ab5d5c8915e6f0a97c92897b4dcf7f", kill_on_drop: false }` [INFO] [stderr] Checking dijkstra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/graph.rs:82:43 [INFO] [stdout] | [INFO] [stdout] 82 | return self.edges.iter().map(|(k, v)| *k).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/graph.rs:82:43 [INFO] [stdout] | [INFO] [stdout] 82 | return self.edges.iter().map(|(k, v)| *k).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DenseGraph` [INFO] [stdout] --> src/graph.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 92 | pub struct DenseGraph { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_dense_graph` [INFO] [stdout] --> src/graph.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn build_dense_graph(nodes: Vec) -> DenseGraph [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect` [INFO] [stdout] --> src/graph.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn connect(&mut self, v1: T, v2: T, weight: f32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect_all` [INFO] [stdout] --> src/graph.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn connect_all(&mut self, edges: Vec>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `neighbors` [INFO] [stdout] --> src/graph.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn neighbors(&self, node: usize) -> Vec<(usize, f32)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DenseGraph` [INFO] [stdout] --> src/graph.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 92 | pub struct DenseGraph { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_dense_graph` [INFO] [stdout] --> src/graph.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn build_dense_graph(nodes: Vec) -> DenseGraph [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect` [INFO] [stdout] --> src/graph.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn connect(&mut self, v1: T, v2: T, weight: f32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect_all` [INFO] [stdout] --> src/graph.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn connect_all(&mut self, edges: Vec>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `neighbors` [INFO] [stdout] --> src/graph.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn neighbors(&self, node: usize) -> Vec<(usize, f32)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "74f9c9740a8930fe4d26937ab634d2f353ab5d5c8915e6f0a97c92897b4dcf7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f9c9740a8930fe4d26937ab634d2f353ab5d5c8915e6f0a97c92897b4dcf7f", kill_on_drop: false }` [INFO] [stdout] 74f9c9740a8930fe4d26937ab634d2f353ab5d5c8915e6f0a97c92897b4dcf7f