[INFO] fetching crate ss-graph-rs 0.1.8...
[INFO] linting ss-graph-rs-0.1.8 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate ss-graph-rs 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ss-graph-rs 0.1.8
[INFO] finished tweaking crates.io crate ss-graph-rs 0.1.8
[INFO] tweaked toml for crates.io crate ss-graph-rs 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ss-graph-rs 0.1.8 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "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" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe1496c2d6326bc19a1613901bbfd4ebfb39b730579e0bdf1ac12b5b6332a95
[INFO] running `Command { std: "docker" "start" "-a" "4fe1496c2d6326bc19a1613901bbfd4ebfb39b730579e0bdf1ac12b5b6332a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe1496c2d6326bc19a1613901bbfd4ebfb39b730579e0bdf1ac12b5b6332a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe1496c2d6326bc19a1613901bbfd4ebfb39b730579e0bdf1ac12b5b6332a95", kill_on_drop: false }`
[INFO] [stdout] 4fe1496c2d6326bc19a1613901bbfd4ebfb39b730579e0bdf1ac12b5b6332a95
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c8baae90ef5e073ef806ad80f9a6f882114d7bea00d75c666b009fb2b81478
[INFO] running `Command { std: "docker" "start" "-a" "22c8baae90ef5e073ef806ad80f9a6f882114d7bea00d75c666b009fb2b81478", kill_on_drop: false }`
[INFO] [stderr]     Checking ss-graph-rs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of `or_insert` to construct default value
[INFO] [stdout]   --> src/graph.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             .or_insert(HashSet::new())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert` to construct default value
[INFO] [stdout]   --> src/graph.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .or_insert(HashSet::new())
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/graph.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         assert!(!graph.adjacency_list.get(&2).is_some());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `graph.adjacency_list.get(&2).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&2).is_some()`
[INFO] [stdout]    --> src/graph.rs:150:38
[INFO] [stdout]     |
[INFO] [stdout] 150 |         assert!(graph.adjacency_list.get(&2).is_some());
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ help: replace it with: `contains_key(&2)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&2).is_some()`
[INFO] [stdout]    --> src/graph.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |         assert!(!graph.adjacency_list.get(&2).is_some());
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^ help: replace it with: `contains_key(&2)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/graph.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |         assert!(!graph.adjacency_list.get(&"Node2".to_string()).is_some());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `graph.adjacency_list.get(&"Node2".to_string()).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]    --> src/graph.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |             .get(&"Node1".to_string())
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"Node1"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_to_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]    --> src/graph.rs:192:18
[INFO] [stdout]     |
[INFO] [stdout] 192 |             .get(&"Node2".to_string())
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"Node2"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]    --> src/graph.rs:200:18
[INFO] [stdout]     |
[INFO] [stdout] 200 |             .get(&"Node1".to_string())
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"Node1"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&"Node2".to_string()).is_some()`
[INFO] [stdout]    --> src/graph.rs:203:39
[INFO] [stdout]     |
[INFO] [stdout] 203 |         assert!(!graph.adjacency_list.get(&"Node2".to_string()).is_some());
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `contains_key(&"Node2".to_string())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]    --> src/graph.rs:203:43
[INFO] [stdout]     |
[INFO] [stdout] 203 |         assert!(!graph.adjacency_list.get(&"Node2".to_string()).is_some());
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"Node2"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert` to construct default value
[INFO] [stdout]   --> src/graph.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             .or_insert(HashSet::new())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert` to construct default value
[INFO] [stdout]   --> src/graph.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .or_insert(HashSet::new())
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "22c8baae90ef5e073ef806ad80f9a6f882114d7bea00d75c666b009fb2b81478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c8baae90ef5e073ef806ad80f9a6f882114d7bea00d75c666b009fb2b81478", kill_on_drop: false }`
[INFO] [stdout] 22c8baae90ef5e073ef806ad80f9a6f882114d7bea00d75c666b009fb2b81478