[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 master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarry-xiao%2Frust-graph-algos" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jarry-xiao/rust-graph-algos on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e82437541c2f49a0e868413d812fa4fda5b5cce5daf570305ae62fecc0e9bdc [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" "8e82437541c2f49a0e868413d812fa4fda5b5cce5daf570305ae62fecc0e9bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e82437541c2f49a0e868413d812fa4fda5b5cce5daf570305ae62fecc0e9bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e82437541c2f49a0e868413d812fa4fda5b5cce5daf570305ae62fecc0e9bdc", kill_on_drop: false }` [INFO] [stdout] 8e82437541c2f49a0e868413d812fa4fda5b5cce5daf570305ae62fecc0e9bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b76ed53fe8f21ede8e8f9d3f91600eb9d61d12a99f551099b745e7381b8c500 [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" "9b76ed53fe8f21ede8e8f9d3f91600eb9d61d12a99f551099b745e7381b8c500", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 4.81s [INFO] running `Command { std: "docker" "inspect" "9b76ed53fe8f21ede8e8f9d3f91600eb9d61d12a99f551099b745e7381b8c500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b76ed53fe8f21ede8e8f9d3f91600eb9d61d12a99f551099b745e7381b8c500", kill_on_drop: false }` [INFO] [stdout] 9b76ed53fe8f21ede8e8f9d3f91600eb9d61d12a99f551099b745e7381b8c500