[INFO] cloning repository https://github.com/Logarithmus/min-spanning-tree-and-shortest-path [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logarithmus/min-spanning-tree-and-shortest-path" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b900196767a24bf6e11c8d4783bd8ce7c3fedb94 [INFO] testing Logarithmus/min-spanning-tree-and-shortest-path against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmin-spanning-tree-and-shortest-path" "/workspace/builds/worker-106/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path [INFO] finished tweaking git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path [INFO] tweaked toml for git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path written to /workspace/builds/worker-106/source/Cargo.toml [INFO] crate git repo https://github.com/Logarithmus/min-spanning-tree-and-shortest-path already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef1f3b9d9ae65b390cc27e111dfcc39ad6a372df25917fa411cf2a34cd27c3cb [INFO] running `Command { std: "docker" "start" "-a" "ef1f3b9d9ae65b390cc27e111dfcc39ad6a372df25917fa411cf2a34cd27c3cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef1f3b9d9ae65b390cc27e111dfcc39ad6a372df25917fa411cf2a34cd27c3cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef1f3b9d9ae65b390cc27e111dfcc39ad6a372df25917fa411cf2a34cd27c3cb", kill_on_drop: false }` [INFO] [stdout] ef1f3b9d9ae65b390cc27e111dfcc39ad6a372df25917fa411cf2a34cd27c3cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c835f67a579146ab9600aee2355b3012d823522a75fea7c09370359f18f2ea62 [INFO] running `Command { std: "docker" "start" "-a" "c835f67a579146ab9600aee2355b3012d823522a75fea7c09370359f18f2ea62", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling spanning_tree_and_shortest_path v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/graph.rs:147:28 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DisjointSubsets` [INFO] [stdout] --> src/disjoint_subsets.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct DisjointSubsets { [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/disjoint_subsets.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(size: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_set` [INFO] [stdout] --> src/disjoint_subsets.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn find_set(&mut self, elem: usize) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `union_sets` [INFO] [stdout] --> src/disjoint_subsets.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn union_sets(&mut self, elem1: usize, elem2: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `total_weight` [INFO] [stdout] --> src/graph.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn total_weight(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_span_tree_kruskal` [INFO] [stdout] --> src/graph.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn min_span_tree_kruskal(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dijkstra` [INFO] [stdout] --> src/graph.rs:147:12 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/heap.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(cmp: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/heap.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph1` [INFO] [stdout] --> src/test.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn graph1() -> Graph { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph1_mst` [INFO] [stdout] --> src/test.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn graph1_mst() -> Graph { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_a` [INFO] [stdout] --> src/test.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn graph_a() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_b` [INFO] [stdout] --> src/test.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn graph_b() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_c` [INFO] [stdout] --> src/test.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn graph_c() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_d` [INFO] [stdout] --> src/test.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn graph_d() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `Command { std: "docker" "inspect" "c835f67a579146ab9600aee2355b3012d823522a75fea7c09370359f18f2ea62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c835f67a579146ab9600aee2355b3012d823522a75fea7c09370359f18f2ea62", kill_on_drop: false }` [INFO] [stdout] c835f67a579146ab9600aee2355b3012d823522a75fea7c09370359f18f2ea62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b72151ffbbd64490bb8a5174c72fc18e51c5fab28083d7b00f87fb36a4b99da6 [INFO] running `Command { std: "docker" "start" "-a" "b72151ffbbd64490bb8a5174c72fc18e51c5fab28083d7b00f87fb36a4b99da6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling spanning_tree_and_shortest_path v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/graph.rs:147:28 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dijkstra` [INFO] [stdout] --> src/graph.rs:147:12 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [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/heap.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(cmp: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/heap.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph1_mst` [INFO] [stdout] --> src/test.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn graph1_mst() -> Graph { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_a` [INFO] [stdout] --> src/test.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn graph_a() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_b` [INFO] [stdout] --> src/test.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn graph_b() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_c` [INFO] [stdout] --> src/test.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn graph_c() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `graph_d` [INFO] [stdout] --> src/test.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn graph_d() -> Graph { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.87s [INFO] running `Command { std: "docker" "inspect" "b72151ffbbd64490bb8a5174c72fc18e51c5fab28083d7b00f87fb36a4b99da6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b72151ffbbd64490bb8a5174c72fc18e51c5fab28083d7b00f87fb36a4b99da6", kill_on_drop: false }` [INFO] [stdout] b72151ffbbd64490bb8a5174c72fc18e51c5fab28083d7b00f87fb36a4b99da6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 517e3169346c2c21065f95ef718942a835707f86d3fa59845a8a31b7c3ddda73 [INFO] running `Command { std: "docker" "start" "-a" "517e3169346c2c21065f95ef718942a835707f86d3fa59845a8a31b7c3ddda73", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/graph.rs:147:28 [INFO] [stderr] | [INFO] [stderr] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dijkstra` [INFO] [stderr] --> src/graph.rs:147:12 [INFO] [stderr] | [INFO] [stderr] 147 | pub fn dijkstra(&self, start: usize) -> Vec> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/heap.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(cmp: F) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/heap.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `graph1_mst` [INFO] [stderr] --> src/test.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn graph1_mst() -> Graph { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `graph_a` [INFO] [stderr] --> src/test.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn graph_a() -> Graph { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `graph_b` [INFO] [stderr] --> src/test.rs:76:8 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn graph_b() -> Graph { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `graph_c` [INFO] [stderr] --> src/test.rs:92:8 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn graph_c() -> Graph { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `graph_d` [INFO] [stderr] --> src/test.rs:107:8 [INFO] [stderr] | [INFO] [stderr] 107 | pub fn graph_d() -> Graph { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `spanning_tree_and_shortest_path` (bin "spanning_tree_and_shortest_path" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/spanning_tree_and_shortest_path-3868c7de1d013421) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::test1_mst_kruskal ... ok [INFO] [stdout] test test::test1_mst_prim ... ok [INFO] [stdout] test test::test2_mst_prim ... ok [INFO] [stdout] test test::test2_mst_kruskal ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "517e3169346c2c21065f95ef718942a835707f86d3fa59845a8a31b7c3ddda73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "517e3169346c2c21065f95ef718942a835707f86d3fa59845a8a31b7c3ddda73", kill_on_drop: false }` [INFO] [stdout] 517e3169346c2c21065f95ef718942a835707f86d3fa59845a8a31b7c3ddda73