[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/stackbt_behavior_tree/0.1.2
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/stackbt_behavior_tree/0.1.2
[INFO] validating manifest of stackbt_behavior_tree-0.1.2 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stackbt_behavior_tree-0.1.2 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/stackbt_behavior_tree/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stackbt_behavior_tree-0.1.2 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e1c82adfe1adafcd6aa3fa4011fc801e0eaed98eeeabd8478fb1cbdb51fd22a1
[INFO] running `"docker" "start" "-a" "e1c82adfe1adafcd6aa3fa4011fc801e0eaed98eeeabd8478fb1cbdb51fd22a1"`
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/control_wrappers.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let mut new_machine = N::default();
[INFO] [stderr]     |                     ----^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[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 prefixing with an underscore: `_par_node_4`
[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 prefixing with an underscore: `_input`
[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 prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/control_wrappers.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let mut new_machine = N::default();
[INFO] [stderr]     |                     ----^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "e1c82adfe1adafcd6aa3fa4011fc801e0eaed98eeeabd8478fb1cbdb51fd22a1"`
[INFO] running `"docker" "rm" "-f" "e1c82adfe1adafcd6aa3fa4011fc801e0eaed98eeeabd8478fb1cbdb51fd22a1"`
[INFO] [stdout] e1c82adfe1adafcd6aa3fa4011fc801e0eaed98eeeabd8478fb1cbdb51fd22a1