[INFO] fetching crate simplegraph 0.2.2...
[INFO] building simplegraph-0.2.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate simplegraph 0.2.2 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplegraph 0.2.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541f2f0c2b12bca3a0764ab9e20e70a8abcb7ead01c21cec51e1d2cc3813561e
[INFO] running `Command { std: "docker" "start" "-a" "541f2f0c2b12bca3a0764ab9e20e70a8abcb7ead01c21cec51e1d2cc3813561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541f2f0c2b12bca3a0764ab9e20e70a8abcb7ead01c21cec51e1d2cc3813561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541f2f0c2b12bca3a0764ab9e20e70a8abcb7ead01c21cec51e1d2cc3813561e", kill_on_drop: false }`
[INFO] [stdout] 541f2f0c2b12bca3a0764ab9e20e70a8abcb7ead01c21cec51e1d2cc3813561e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72b853cf17e24c5251e41056dfd6521e258739128d5c0c41f390686db361cb2
[INFO] running `Command { std: "docker" "start" "-a" "c72b853cf17e24c5251e41056dfd6521e258739128d5c0c41f390686db361cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling serde v1.0.228
[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 4.84s
[INFO] running `Command { std: "docker" "inspect" "c72b853cf17e24c5251e41056dfd6521e258739128d5c0c41f390686db361cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72b853cf17e24c5251e41056dfd6521e258739128d5c0c41f390686db361cb2", kill_on_drop: false }`
[INFO] [stdout] c72b853cf17e24c5251e41056dfd6521e258739128d5c0c41f390686db361cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e749b24afca77fb3130e3b40699d79a11ba67b63f4e60eeb967b61f55e895483
[INFO] running `Command { std: "docker" "start" "-a" "e749b24afca77fb3130e3b40699d79a11ba67b63f4e60eeb967b61f55e895483", 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "e749b24afca77fb3130e3b40699d79a11ba67b63f4e60eeb967b61f55e895483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e749b24afca77fb3130e3b40699d79a11ba67b63f4e60eeb967b61f55e895483", kill_on_drop: false }`
[INFO] [stdout] e749b24afca77fb3130e3b40699d79a11ba67b63f4e60eeb967b61f55e895483