[INFO] crate stackbt_behavior_tree 0.1.2 is already in cache
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/stackbt_behavior_tree/0.1.2
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/stackbt_behavior_tree/0.1.2
[INFO] validating manifest of stackbt_behavior_tree-0.1.2 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stackbt_behavior_tree-0.1.2 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stackbt_behavior_tree-0.1.2
[INFO] finished frobbing stackbt_behavior_tree-0.1.2
[INFO] frobbed toml for stackbt_behavior_tree-0.1.2 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/stackbt_behavior_tree/0.1.2/Cargo.toml
[INFO] started frobbing stackbt_behavior_tree-0.1.2
[INFO] finished frobbing stackbt_behavior_tree-0.1.2
[INFO] frobbed toml for stackbt_behavior_tree-0.1.2 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/stackbt_behavior_tree/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stackbt_behavior_tree-0.1.2 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/stackbt_behavior_tree/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ef02ca63507d228578fb03377649fb9baf626b34fcf5bf738cc5e6668189cbb
[INFO] running `"docker" "start" "-a" "3ef02ca63507d228578fb03377649fb9baf626b34fcf5bf738cc5e6668189cbb"`
[INFO] [stderr]     Checking stackbt_automata_impl v0.1.2
[INFO] [stderr]     Checking stackbt_behavior_tree v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `GuardedNode`, `NodeGuard`
[INFO] [stderr]    --> src/node_compositions.rs:157:28
[INFO] [stderr]     |
[INFO] [stderr] 157 |     use control_wrappers::{NodeGuard, GuardedNode};
[INFO] [stderr]     |                            ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node_runner::NodeRunner`
[INFO] [stderr]    --> src/node_compositions.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     use node_runner::NodeRunner;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]    --> src/node_compositions.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |     use std::marker::PhantomData;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `par_node_4`
[INFO] [stderr]    --> src/parallel_node.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let par_node_4 = match par_node_3.step(&-3) {
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider using `_par_node_4` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/node_compositions.rs:502:23
[INFO] [stderr]     |
[INFO] [stderr] 502 |         fn step(self, input: &()) -> (Self::Action, Self) {
[INFO] [stderr]     |                       ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/node_compositions.rs:526:23
[INFO] [stderr]     |
[INFO] [stderr] 526 |         fn step(self, input: &()) -> (Self::Action, Self) {
[INFO] [stderr]     |                       ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "3ef02ca63507d228578fb03377649fb9baf626b34fcf5bf738cc5e6668189cbb"`
[INFO] running `"docker" "rm" "-f" "3ef02ca63507d228578fb03377649fb9baf626b34fcf5bf738cc5e6668189cbb"`
[INFO] [stdout] 3ef02ca63507d228578fb03377649fb9baf626b34fcf5bf738cc5e6668189cbb