[INFO] cloning repository https://github.com/caioopra/rust_graphs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caioopra/rust_graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 99a4f34b6c57f65ce9e7b852a978f338f7b71689 [INFO] testing caioopra/rust_graphs against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioopra%2Frust_graphs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caioopra/rust_graphs on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/caioopra/rust_graphs [INFO] finished tweaking git repo https://github.com/caioopra/rust_graphs [INFO] tweaked toml for git repo https://github.com/caioopra/rust_graphs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/caioopra/rust_graphs 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6937c2cabc09de63d1c668bdd70c23f6bfc0f89bf8c1630d84a96ba3af98d112 [INFO] running `Command { std: "docker" "start" "-a" "6937c2cabc09de63d1c668bdd70c23f6bfc0f89bf8c1630d84a96ba3af98d112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6937c2cabc09de63d1c668bdd70c23f6bfc0f89bf8c1630d84a96ba3af98d112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6937c2cabc09de63d1c668bdd70c23f6bfc0f89bf8c1630d84a96ba3af98d112", kill_on_drop: false }` [INFO] [stdout] 6937c2cabc09de63d1c668bdd70c23f6bfc0f89bf8c1630d84a96ba3af98d112 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac021d071511c519db3d101285eef0db8c91e6acb0051ed99f1711e0c3d8c2c6 [INFO] running `Command { std: "docker" "start" "-a" "ac021d071511c519db3d101285eef0db8c91e6acb0051ed99f1711e0c3d8c2c6", kill_on_drop: false }` [INFO] [stderr] Compiling rust_graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> src/edge.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Edge { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Edge` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `weight` are never used [INFO] [stdout] --> src/edge.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Edge { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 11 | pub fn new(u: VertexPtr, v: VertexPtr, weight: f32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn weight(&self) -> f32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `label`, `neighbors`, and `degree` are never read [INFO] [stdout] --> src/vertex.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Vertex { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | pub index: u32, [INFO] [stdout] 9 | pub label: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | pub neighbors: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | pub degree: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Vertex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_neighbor`, `add_as_neighbor`, and `neighbors` are never used [INFO] [stdout] --> src/vertex.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Vertex { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 15 | /// Returns a Reference Counting pointer to a RefCell to a vertex (Rc>) [INFO] [stdout] 16 | pub fn new(index: u32, label: String) -> VertexPtr { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn add_neighbor(self_rc: VertexPtr, vertex: VertexPtr) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn add_as_neighbor(&mut self, vertex: VertexPtr) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn neighbors(&self) -> &Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> src/graph.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/graph.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Graph { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 17 | pub fn new() -> Graph { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn vertices(&self) -> &HashMap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn edges(&self) -> &HashMap<(u32, u32), Edge> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn insert_vertex(&mut self, id: u32, label: String) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn insert_edge(&mut self, u_index: u32, v_index: u32, weight: f32) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn vertex_exist(&self, id: u32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn edge_exist(&self, u_index: u32, v_index: u32) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn label(&self, index: u32) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn degree(&self, index: u32) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn weight(&self, u_index: u32, v_index: u32) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn vertices_amount(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn edges_amount(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 132 | pub fn read_from_file(filename: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dfs` is never used [INFO] [stdout] --> src/algorithms/traversal.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Graph { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 6 | /// This function assume that the indexes of the vertices start at 1 [INFO] [stdout] 7 | pub fn dfs(&self, start: u32) -> Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "ac021d071511c519db3d101285eef0db8c91e6acb0051ed99f1711e0c3d8c2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac021d071511c519db3d101285eef0db8c91e6acb0051ed99f1711e0c3d8c2c6", kill_on_drop: false }` [INFO] [stdout] ac021d071511c519db3d101285eef0db8c91e6acb0051ed99f1711e0c3d8c2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e [INFO] running `Command { std: "docker" "start" "-a" "7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e/hosts: no space left on device [INFO] running `Command { std: "docker" "inspect" "7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e", kill_on_drop: false }` [INFO] [stdout] 7ff5c7005a33caa185eecdaf064eaa5cde3e030bab1c9eeb01106ab30e613b8e