[INFO] cloning repository https://github.com/UsairimIsani/link [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UsairimIsani/link" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Flink", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Flink'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40f7f9892cd96cf0792ff8764d09c6b508f4417f [INFO] checking UsairimIsani/link against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Flink" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UsairimIsani/link on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/UsairimIsani/link [INFO] finished tweaking git repo https://github.com/UsairimIsani/link [INFO] tweaked toml for git repo https://github.com/UsairimIsani/link written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/UsairimIsani/link already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a2316f0fb8cbfad208d9f43d206463ad9d56ceb51452d97001dd991e8cdd49a [INFO] running `Command { std: "docker" "start" "-a" "3a2316f0fb8cbfad208d9f43d206463ad9d56ceb51452d97001dd991e8cdd49a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a2316f0fb8cbfad208d9f43d206463ad9d56ceb51452d97001dd991e8cdd49a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a2316f0fb8cbfad208d9f43d206463ad9d56ceb51452d97001dd991e8cdd49a", kill_on_drop: false }` [INFO] [stdout] 3a2316f0fb8cbfad208d9f43d206463ad9d56ceb51452d97001dd991e8cdd49a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bf70be6709f2f371e2b107c268d35292caacda076f930fbddbcecd0080fdc1c [INFO] running `Command { std: "docker" "start" "-a" "7bf70be6709f2f371e2b107c268d35292caacda076f930fbddbcecd0080fdc1c", kill_on_drop: false }` [INFO] [stderr] Checking link v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Graph` [INFO] [stdout] --> src/graph.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Graph { [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: `new` [INFO] [stdout] --> src/graph.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_vertex` [INFO] [stdout] --> src/graph.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn insert_vertex(&mut self, vid: VertexId, vertex: V) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_edge` [INFO] [stdout] --> src/graph.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn insert_edge(&mut self, from: VertexId, to: VertexId, edge: E) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(value: T) -> Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/tree.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn insert(parent: &mut Arc>, node: &mut Arc>) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_value` [INFO] [stdout] --> src/tree.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_value(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn type_of(_: T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/graph.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let g: Graph = Graph::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vertices` [INFO] [stdout] --> src/graph.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | vertices: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `adjacency` [INFO] [stdout] --> src/graph.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | adjacency: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_vertex` [INFO] [stdout] --> src/graph.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn insert_vertex(&mut self, vid: VertexId, vertex: V) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_edge` [INFO] [stdout] --> src/graph.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn insert_edge(&mut self, from: VertexId, to: VertexId, edge: E) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn type_of(_: T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "7bf70be6709f2f371e2b107c268d35292caacda076f930fbddbcecd0080fdc1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bf70be6709f2f371e2b107c268d35292caacda076f930fbddbcecd0080fdc1c", kill_on_drop: false }` [INFO] [stdout] 7bf70be6709f2f371e2b107c268d35292caacda076f930fbddbcecd0080fdc1c