[INFO] fetching crate graphmst 0.1.7...
[INFO] testing graphmst-0.1.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate graphmst 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate graphmst 0.1.7
[INFO] finished tweaking crates.io crate graphmst 0.1.7
[INFO] tweaked toml for crates.io crate graphmst 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphmst 0.1.7 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4228fbb0a1bbe8b50dceb50f272f1df0241e4010092e7abce591c252e8cf54ba
[INFO] running `Command { std: "docker" "start" "-a" "4228fbb0a1bbe8b50dceb50f272f1df0241e4010092e7abce591c252e8cf54ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4228fbb0a1bbe8b50dceb50f272f1df0241e4010092e7abce591c252e8cf54ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4228fbb0a1bbe8b50dceb50f272f1df0241e4010092e7abce591c252e8cf54ba", kill_on_drop: false }`
[INFO] [stdout] 4228fbb0a1bbe8b50dceb50f272f1df0241e4010092e7abce591c252e8cf54ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea5f9c7806719cc8245eeba9fa177079314fcae581ddd7251d8ec7ba8e72ddb7
[INFO] running `Command { std: "docker" "start" "-a" "ea5f9c7806719cc8245eeba9fa177079314fcae581ddd7251d8ec7ba8e72ddb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphmst v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/algos.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INF` is never used
[INFO] [stdout]   --> src/algos.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const INF: f64 = f64::INFINITY;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "ea5f9c7806719cc8245eeba9fa177079314fcae581ddd7251d8ec7ba8e72ddb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5f9c7806719cc8245eeba9fa177079314fcae581ddd7251d8ec7ba8e72ddb7", kill_on_drop: false }`
[INFO] [stdout] ea5f9c7806719cc8245eeba9fa177079314fcae581ddd7251d8ec7ba8e72ddb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bc24336417523d6b8af599fc7a48fe0e4d7d1b4835fc6fcf5a75a0f49f393d85
[INFO] running `Command { std: "docker" "start" "-a" "bc24336417523d6b8af599fc7a48fe0e4d7d1b4835fc6fcf5a75a0f49f393d85", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphmst v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/algos.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INF` is never used
[INFO] [stdout]   --> src/algos.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const INF: f64 = f64::INFINITY;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:220:16
[INFO] [stdout]     |
[INFO] [stdout] 220 |        let mut G = gph!("A", "B");
[INFO] [stdout]     |                ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "bc24336417523d6b8af599fc7a48fe0e4d7d1b4835fc6fcf5a75a0f49f393d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc24336417523d6b8af599fc7a48fe0e4d7d1b4835fc6fcf5a75a0f49f393d85", kill_on_drop: false }`
[INFO] [stdout] bc24336417523d6b8af599fc7a48fe0e4d7d1b4835fc6fcf5a75a0f49f393d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 69c377be9e4366abff24eacc599b97220c57c8372b02ff607b91484f86b9d687
[INFO] running `Command { std: "docker" "start" "-a" "69c377be9e4366abff24eacc599b97220c57c8372b02ff607b91484f86b9d687", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/algos.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INF` is never used
[INFO] [stderr]   --> src/algos.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const INF: f64 = f64::INFINITY;
[INFO] [stderr]    |       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:220:16
[INFO] [stderr]     |
[INFO] [stderr] 220 |        let mut G = gph!("A", "B");
[INFO] [stderr]     |                ^ help: convert the identifier to snake case: `g`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `graphmst` (lib test) generated 3 warnings (run `cargo fix --lib -p graphmst --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graphalgos-1911fc3ecf54fdac)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test algos::algos_tests::test_boruvka_disconnected ... ok
[INFO] [stdout] test algos::algos_tests::test_boruvka_on_directed ... ok
[INFO] [stdout] test algos::algos_tests::test_kruskals_on_empty ... ok
[INFO] [stdout] test algos::algos_tests::test_boruvka_on_empty ... ok
[INFO] [stdout] test algos::algos_tests::test_boruvka_on_non_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_boruvka_on_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_kruskals_on_non_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_kruskals_on_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_kruskals_disconnected ... ok
[INFO] [stdout] test algos::algos_tests::test_prims_on_empty ... ok
[INFO] [stdout] test algos::algos_tests::test_kruskals_on_directed ... ok
[INFO] [stdout] test algos::algos_tests::test_prims_on_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_reverse_delete_on_directed ... ok
[INFO] [stdout] test algos::algos_tests::test_dfs_on_disconnected ... ok
[INFO] [stdout] test graph_tests::add_multiple_vertices ... ok
[INFO] [stdout] test graph_tests::add_one_vertex ... ok
[INFO] [stdout] test graph_tests::add_topologicalorder_test ... ok
[INFO] [stdout] test algos::algos_tests::test_reverse_delete_disconnected ... ok
[INFO] [stdout] test graph_tests::add_vertex_test ... ok
[INFO] [stdout] test algos::algos_tests::test_reverse_delete_on_empty ... ok
[INFO] [stdout] test algos::algos_tests::test_prims_disconnected ... ok
[INFO] [stdout] test algos::algos_tests::test_reverse_delete_on_trivial ... ok
[INFO] [stdout] test graph_tests::remove_multiple_vertices ... ok
[INFO] [stdout] test algos::algos_tests::test_dfs_on_connected ... ok
[INFO] [stdout] test graph_tests::get_neighbours_test ... ok
[INFO] [stdout] test graph_tests::remove_multiple_edges ... ok
[INFO] [stdout] test algos::algos_tests::test_prims_on_non_trivial ... ok
[INFO] [stdout] test graph_tests::make_from_macro ... ok
[INFO] [stdout] test graph_tests::test_boruvka_on_trivial ... ok
[INFO] [stdout] test graph_tests::test_boruvka_on_directed ... ok
[INFO] [stdout] test graph_tests::remove_one_vertex ... ok
[INFO] [stdout] test graph_tests::set_value_test ... ok
[INFO] [stdout] test graph_tests::test_boruvka_disconnected ... ok
[INFO] [stdout] test graph_tests::test_boruvka_on_empty ... ok
[INFO] [stdout] test graph_tests::test_boruvka_on_non_trivial ... ok
[INFO] [stdout] test graph_tests::test_kruskals_on_empty ... ok
[INFO] [stdout] test graph_tests::test_kruskals_disconnected ... ok
[INFO] [stdout] test graph_tests::test_kruskals_on_directed ... ok
[INFO] [stdout] test graph_tests::test_kruskals_on_non_trivial ... ok
[INFO] [stdout] test graph_tests::test_kruskals_on_trivial ... ok
[INFO] [stdout] test graph_tests::test_prims_on_directed ... ok
[INFO] [stdout] test graph_tests::test_prims_on_empty ... ok
[INFO] [stdout] test graphs::graph_tests::add_one_undirected_edge ... ok
[INFO] [stdout] test graphs::graph_tests::add_one_vertex ... ok
[INFO] [stdout] test graph_tests::test_prims_on_trivial ... ok
[INFO] [stdout] test graphs::graph_tests::add_multiple_vertices ... ok
[INFO] [stdout] test graph_tests::update_edge_test ... ok
[INFO] [stdout] test graph_tests::test_prims_disconnected ... ok
[INFO] [stdout] test graphs::graph_tests::remove_multiple_vertices ... ok
[INFO] [stdout] test graphs::graph_tests::remove_one_vertex ... ok
[INFO] [stdout] test graphs::graph_tests::make_from_macro ... ok
[INFO] [stdout] test graph_tests::test_prims_on_non_trivial ... ok
[INFO] [stdout] test algos::algos_tests::test_reverse_delete_on_non_trivial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69c377be9e4366abff24eacc599b97220c57c8372b02ff607b91484f86b9d687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c377be9e4366abff24eacc599b97220c57c8372b02ff607b91484f86b9d687", kill_on_drop: false }`
[INFO] [stdout] 69c377be9e4366abff24eacc599b97220c57c8372b02ff607b91484f86b9d687