[INFO] fetching crate graph-algorithms 0.1.3...
[INFO] testing graph-algorithms-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate graph-algorithms 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate graph-algorithms 0.1.3
[INFO] finished tweaking crates.io crate graph-algorithms 0.1.3
[INFO] tweaked toml for crates.io crate graph-algorithms 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph-algorithms 0.1.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate graph-algorithms 0.1.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e64a16e6e41f91b7a0442277c2a1eea4bd9d1b52ae4a7f33d4b3da46bc78ec24
[INFO] running `Command { std: "docker" "start" "-a" "e64a16e6e41f91b7a0442277c2a1eea4bd9d1b52ae4a7f33d4b3da46bc78ec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64a16e6e41f91b7a0442277c2a1eea4bd9d1b52ae4a7f33d4b3da46bc78ec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64a16e6e41f91b7a0442277c2a1eea4bd9d1b52ae4a7f33d4b3da46bc78ec24", kill_on_drop: false }`
[INFO] [stdout] e64a16e6e41f91b7a0442277c2a1eea4bd9d1b52ae4a7f33d4b3da46bc78ec24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cdf32b65729fb620df434ea392631149a0dfa646e4cc11acd1f86521d7aa609
[INFO] running `Command { std: "docker" "start" "-a" "1cdf32b65729fb620df434ea392631149a0dfa646e4cc11acd1f86521d7aa609", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-algorithms v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_of_algorithms/bellmanford.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertices` is never read
[INFO] [stdout]   --> src/list_of_algorithms/dfs.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Graph {
[INFO] [stdout]    |                ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |         pub vertices: usize,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertices` is never read
[INFO] [stdout]   --> src/list_of_algorithms/bfs.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Graph {
[INFO] [stdout]    |                ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |         pub vertices: usize,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "1cdf32b65729fb620df434ea392631149a0dfa646e4cc11acd1f86521d7aa609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdf32b65729fb620df434ea392631149a0dfa646e4cc11acd1f86521d7aa609", kill_on_drop: false }`
[INFO] [stdout] 1cdf32b65729fb620df434ea392631149a0dfa646e4cc11acd1f86521d7aa609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be39edfb1d9f128d0c0e112ac0f718eaef34e034a1f606eae18fa8983a7bee5c
[INFO] running `Command { std: "docker" "start" "-a" "be39edfb1d9f128d0c0e112ac0f718eaef34e034a1f606eae18fa8983a7bee5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-algorithms v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_of_algorithms/bellmanford.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertices` is never read
[INFO] [stdout]   --> src/list_of_algorithms/dfs.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Graph {
[INFO] [stdout]    |                ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |         pub vertices: usize,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "be39edfb1d9f128d0c0e112ac0f718eaef34e034a1f606eae18fa8983a7bee5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be39edfb1d9f128d0c0e112ac0f718eaef34e034a1f606eae18fa8983a7bee5c", kill_on_drop: false }`
[INFO] [stdout] be39edfb1d9f128d0c0e112ac0f718eaef34e034a1f606eae18fa8983a7bee5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34459cab9140d2486bdec1a45caea824655ef04bc1f083c0561083ab680ab9b2
[INFO] running `Command { std: "docker" "start" "-a" "34459cab9140d2486bdec1a45caea824655ef04bc1f083c0561083ab680ab9b2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/list_of_algorithms/bellmanford.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     struct Node {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `vertices` is never read
[INFO] [stderr]   --> src/list_of_algorithms/dfs.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub struct Graph {
[INFO] [stderr]    |                ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |         pub vertices: usize,
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graph-algorithms` (bin "graph-algorithms" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graph_algorithms-3ece83b2b65a921f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test list_of_algorithms::bellmanford::tests::test_bellman_ford ... ok
[INFO] [stdout] test list_of_algorithms::bfs::tests::test_add_edge ... ok
[INFO] [stdout] test list_of_algorithms::bfs::tests::test_new_graph ... ok
[INFO] [stdout] test list_of_algorithms::dijkstras::tests::test_disconnected_graph ... ok
[INFO] [stdout] test list_of_algorithms::dijkstras::tests::test_single_vertex ... ok
[INFO] [stdout] test list_of_algorithms::kosaraju::tests::test_kosaraju_algorithm1 ... ok
[INFO] [stdout] test list_of_algorithms::dfs::tests::test_dfs1 ... ok
[INFO] [stdout] test list_of_algorithms::dijkstras::tests::test_dijkstra ... ok
[INFO] [stdout] test list_of_algorithms::bfs::tests::test_bfs ... ok
[INFO] [stdout] test list_of_algorithms::kosaraju::tests::test_kosaraju_algorithm3 ... ok
[INFO] [stdout] test list_of_algorithms::kosaraju::tests::test_kosaraju_algorithm2 ... ok
[INFO] [stdout] test list_of_algorithms::bellmanford::tests::test_bellman_ford_edge ... ok
[INFO] [stdout] test list_of_algorithms::dfs::tests::test_dfs ... ok
[INFO] [stdout] test list_of_algorithms::dijkstras::tests::test_empty_graph - should panic ... ok
[INFO] [stdout] test list_of_algorithms::bellmanford::tests::test_negative_cycle - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34459cab9140d2486bdec1a45caea824655ef04bc1f083c0561083ab680ab9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34459cab9140d2486bdec1a45caea824655ef04bc1f083c0561083ab680ab9b2", kill_on_drop: false }`
[INFO] [stdout] 34459cab9140d2486bdec1a45caea824655ef04bc1f083c0561083ab680ab9b2