[INFO] fetching crate stackbt_behavior_tree 0.1.2...
[INFO] checking stackbt_behavior_tree-0.1.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stackbt_behavior_tree 0.1.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stackbt_behavior_tree 0.1.2
[INFO] finished tweaking crates.io crate stackbt_behavior_tree 0.1.2
[INFO] tweaked toml for crates.io crate stackbt_behavior_tree 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 77eead729176f77ceef6fd4c86d365437d141fd1f77422f909f2e9cbb8134dd7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "77eead729176f77ceef6fd4c86d365437d141fd1f77422f909f2e9cbb8134dd7"`
[INFO] [stderr]     Checking stackbt_automata_impl v0.1.2
[INFO] [stderr]     Checking stackbt_behavior_tree v0.1.2 (/opt/rustwide/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: 1 warning emitted
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "77eead729176f77ceef6fd4c86d365437d141fd1f77422f909f2e9cbb8134dd7"`
[INFO] running `"docker" "rm" "-f" "77eead729176f77ceef6fd4c86d365437d141fd1f77422f909f2e9cbb8134dd7"`
[INFO] [stdout] 77eead729176f77ceef6fd4c86d365437d141fd1f77422f909f2e9cbb8134dd7