[INFO] fetching crate simplegraph 0.2.2...
[INFO] testing simplegraph-0.2.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate simplegraph 0.2.2 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplegraph 0.2.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e86136b83ce607fb65349faba532492caa4c030b55052f6c7a54f7f5f7bc0b4d
[INFO] running `Command { std: "docker" "start" "-a" "e86136b83ce607fb65349faba532492caa4c030b55052f6c7a54f7f5f7bc0b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86136b83ce607fb65349faba532492caa4c030b55052f6c7a54f7f5f7bc0b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86136b83ce607fb65349faba532492caa4c030b55052f6c7a54f7f5f7bc0b4d", kill_on_drop: false }`
[INFO] [stdout] e86136b83ce607fb65349faba532492caa4c030b55052f6c7a54f7f5f7bc0b4d
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a292d57d196549eb025e4a99796c215eaab4355aa08d2958e7e7cf352ebcf4a0
[INFO] running `Command { std: "docker" "start" "-a" "a292d57d196549eb025e4a99796c215eaab4355aa08d2958e7e7cf352ebcf4a0", kill_on_drop: false }`
[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 simplegraph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "a292d57d196549eb025e4a99796c215eaab4355aa08d2958e7e7cf352ebcf4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a292d57d196549eb025e4a99796c215eaab4355aa08d2958e7e7cf352ebcf4a0", kill_on_drop: false }`
[INFO] [stdout] a292d57d196549eb025e4a99796c215eaab4355aa08d2958e7e7cf352ebcf4a0
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3508555ce8756f95528fcb15236a5d399cfc9758d72b118a6dcd6813527c8d3
[INFO] running `Command { std: "docker" "start" "-a" "f3508555ce8756f95528fcb15236a5d399cfc9758d72b118a6dcd6813527c8d3", 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 2.19s
[INFO] running `Command { std: "docker" "inspect" "f3508555ce8756f95528fcb15236a5d399cfc9758d72b118a6dcd6813527c8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3508555ce8756f95528fcb15236a5d399cfc9758d72b118a6dcd6813527c8d3", kill_on_drop: false }`
[INFO] [stdout] f3508555ce8756f95528fcb15236a5d399cfc9758d72b118a6dcd6813527c8d3
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afd26837877ee22bbd5fb0b5eabd62068f14676ac7a01f811ad4350bfb010e5d
[INFO] running `Command { std: "docker" "start" "-a" "afd26837877ee22bbd5fb0b5eabd62068f14676ac7a01f811ad4350bfb010e5d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stdout] 
[INFO] [stderr]    --> src/adjacency_list_graph.rs:386:46
[INFO] [stdout] running 24 tests
[INFO] [stderr]     |
[INFO] [stdout] test adjacency_list_graph::test::test_arc_visitor ... ok
[INFO] [stderr] 386 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] test adjacency_list_graph::test::test_arc_cost ... ok
[INFO] [stderr]     |                                              ^        ^
[INFO] [stdout] test adjacency_list_graph::test::test_direct_graph ... ok
[INFO] [stderr]     |
[INFO] [stdout] test adjacency_list_graph::test::test_mut_arc_weights ... ok
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test adjacency_list_graph::test::test_mut_nodes_weights ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test adjacency_list_graph::test::test_node_visitor ... ok
[INFO] [stderr]     |
[INFO] [stdout] test math_graph::test::test_count_zeros ... ok
[INFO] [stderr] 386 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] test dot::test::test_dot_build_direct_graph ... ok
[INFO] [stderr] 386 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stdout] test dot::test::test_dot_build_undirect_graph ... ok
[INFO] [stderr]     |
[INFO] [stdout] test adjacency_list_graph::test::test_update_all_arcs_weight ... ok
[INFO] [stderr] 
[INFO] [stdout] test math_graph::test::test_nodes_constructor ... ok
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stdout] test matrix_graph::test::test_mut_nodes_weights ... ok
[INFO] [stderr]    --> src/matrix_graph.rs:345:46
[INFO] [stdout] test matrix_graph::test::test_node_visitor ... ok
[INFO] [stderr]     |
[INFO] [stdout] test matrix_graph::test::test_arc_visitor ... ok
[INFO] [stderr] 345 |         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] test path_cost::test::test_path_cost_iterator_2 ... ok
[INFO] [stderr]     |                                              ^        ^
[INFO] [stdout] test path_cost::test::test_successor_iterator_2 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test path_cost::test::test_successor_iterator_1 ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test path_cost::test::test_path_cost_iterator ... ok
[INFO] [stderr]     |
[INFO] [stdout] test matrix_graph::test::test_update_all_arcs_weight ... ok
[INFO] [stderr] 345 -         graph.update_all_nodes_weight(|i, _| (i as f64));
[INFO] [stdout] test adjacency_list_graph::test::test_conversion ... ok
[INFO] [stderr] 345 +         graph.update_all_nodes_weight(|i, _| i as f64);
[INFO] [stdout] test matrix_graph::test::test_direct_graph ... ok
[INFO] [stderr]     |
[INFO] [stdout] test matrix_graph::test::test_mut_arc_weights ... ok
[INFO] [stderr] 
[INFO] [stdout] test matrix_graph::test::test_arc_cost ... ok
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simplegraph-cab0f1fb4c21d160)
[INFO] [stdout] test adjacency_list_graph::test::test_undirect_graph ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serialization.rs (/opt/rustwide/target/debug/deps/test_serialization-def41e44cd17ee11)
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests simplegraph
[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] [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 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afd26837877ee22bbd5fb0b5eabd62068f14676ac7a01f811ad4350bfb010e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd26837877ee22bbd5fb0b5eabd62068f14676ac7a01f811ad4350bfb010e5d", kill_on_drop: false }`
[INFO] [stdout] afd26837877ee22bbd5fb0b5eabd62068f14676ac7a01f811ad4350bfb010e5d