[INFO] fetching crate simplegraph 0.2.2...
[INFO] testing simplegraph-0.2.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate simplegraph 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate simplegraph 0.2.2
[INFO] finished tweaking crates.io crate simplegraph 0.2.2
[INFO] tweaked toml for crates.io crate simplegraph 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplegraph 0.2.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7afb86925b34e3e5d060ebd4e3562a11f4064184bc4feb3a6f2148bfc71e4e5
[INFO] running `Command { std: "docker" "start" "-a" "d7afb86925b34e3e5d060ebd4e3562a11f4064184bc4feb3a6f2148bfc71e4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7afb86925b34e3e5d060ebd4e3562a11f4064184bc4feb3a6f2148bfc71e4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7afb86925b34e3e5d060ebd4e3562a11f4064184bc4feb3a6f2148bfc71e4e5", kill_on_drop: false }`
[INFO] [stdout] d7afb86925b34e3e5d060ebd4e3562a11f4064184bc4feb3a6f2148bfc71e4e5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e00143dbb013aad880399e18b3a2fc1e175f705b795644359e445e3431a65cf2
[INFO] running `Command { std: "docker" "start" "-a" "e00143dbb013aad880399e18b3a2fc1e175f705b795644359e445e3431a65cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling simplegraph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "e00143dbb013aad880399e18b3a2fc1e175f705b795644359e445e3431a65cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00143dbb013aad880399e18b3a2fc1e175f705b795644359e445e3431a65cf2", kill_on_drop: false }`
[INFO] [stdout] e00143dbb013aad880399e18b3a2fc1e175f705b795644359e445e3431a65cf2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34ab0414efc689bf61ea07652a34cd4a7cfe4ffe507d99814277d6752c69001c
[INFO] running `Command { std: "docker" "start" "-a" "34ab0414efc689bf61ea07652a34cd4a7cfe4ffe507d99814277d6752c69001c", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplegraph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/adjacency_list_graph.rs:386:46
[INFO] [stdout]     |
[INFO] [stdout] 386 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout]     |                                              ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 386 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] 386 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/matrix_graph.rs:345:46
[INFO] [stdout]     |
[INFO] [stdout] 345 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout]     |                                              ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 345 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] 345 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "34ab0414efc689bf61ea07652a34cd4a7cfe4ffe507d99814277d6752c69001c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ab0414efc689bf61ea07652a34cd4a7cfe4ffe507d99814277d6752c69001c", kill_on_drop: false }`
[INFO] [stdout] 34ab0414efc689bf61ea07652a34cd4a7cfe4ffe507d99814277d6752c69001c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73e49aebba77e825d445ee568d1f937148f7b20f7b03715678ccc5ca72f51dc0
[INFO] running `Command { std: "docker" "start" "-a" "73e49aebba77e825d445ee568d1f937148f7b20f7b03715678ccc5ca72f51dc0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/adjacency_list_graph.rs:386:46
[INFO] [stderr]     |
[INFO] [stderr] 386 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stderr]     |                                              ^        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 386 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stderr] 386 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/matrix_graph.rs:345:46
[INFO] [stderr]     |
[INFO] [stderr] 345 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stderr]     |                                              ^        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 345 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stderr] 345 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `simplegraph` (lib test) generated 2 warnings (run `cargo fix --lib -p simplegraph --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simplegraph-4bb32b8979b8e1c2)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test adjacency_list_graph::test::test_arc_cost ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_direct_graph ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_mut_arc_weights ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_node_visitor ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_mut_nodes_weights ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_undirect_graph ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_update_all_arcs_weight ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_conversion ... ok
[INFO] [stdout] test dot::test::test_dot_build_direct_graph ... ok
[INFO] [stdout] test dot::test::test_dot_build_undirect_graph ... ok
[INFO] [stdout] test math_graph::test::test_count_zeros ... ok
[INFO] [stdout] test math_graph::test::test_nodes_constructor ... ok
[INFO] [stdout] test matrix_graph::test::test_arc_cost ... ok
[INFO] [stdout] test matrix_graph::test::test_mut_arc_weights ... ok
[INFO] [stdout] test matrix_graph::test::test_update_all_arcs_weight ... ok
[INFO] [stdout] test path_cost::test::test_path_cost_iterator_2 ... ok
[INFO] [stdout] test path_cost::test::test_successor_iterator_1 ... ok
[INFO] [stdout] test matrix_graph::test::test_arc_visitor ... ok
[INFO] [stdout] test matrix_graph::test::test_mut_nodes_weights ... ok
[INFO] [stdout] test matrix_graph::test::test_node_visitor ... ok
[INFO] [stdout] test path_cost::test::test_successor_iterator_2 ... ok
[INFO] [stdout] test matrix_graph::test::test_direct_graph ... ok
[INFO] [stdout] test path_cost::test::test_path_cost_iterator ... ok
[INFO] [stdout] test adjacency_list_graph::test::test_arc_visitor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serialization.rs (/opt/rustwide/target/debug/deps/test_serialization-738b3a9feccc35ec)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_adjlist_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplegraph
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/path_cost.rs - path_cost::AllSubPathCost (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73e49aebba77e825d445ee568d1f937148f7b20f7b03715678ccc5ca72f51dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e49aebba77e825d445ee568d1f937148f7b20f7b03715678ccc5ca72f51dc0", kill_on_drop: false }`
[INFO] [stdout] 73e49aebba77e825d445ee568d1f937148f7b20f7b03715678ccc5ca72f51dc0