[INFO] fetching crate stackbt_behavior_tree 0.1.2...
[INFO] checking stackbt_behavior_tree-0.1.2 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stackbt_behavior_tree 0.1.2 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a184d993ca7621f783f1a9cc0f5e4fae9775661c5eaad837b0458dfb835166f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a184d993ca7621f783f1a9cc0f5e4fae9775661c5eaad837b0458dfb835166f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a184d993ca7621f783f1a9cc0f5e4fae9775661c5eaad837b0458dfb835166f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a184d993ca7621f783f1a9cc0f5e4fae9775661c5eaad837b0458dfb835166f", kill_on_drop: false }`
[INFO] [stdout] 2a184d993ca7621f783f1a9cc0f5e4fae9775661c5eaad837b0458dfb835166f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff7706d7e5c94b76a6812c70ef2220764609a28edd988f2a39749dbc798c0af8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff7706d7e5c94b76a6812c70ef2220764609a28edd988f2a39749dbc798c0af8", kill_on_drop: false }`
[INFO] [stderr]     Checking stackbt_automata_impl v0.1.2
[INFO] [stderr]     Checking stackbt_behavior_tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GuardedNode`, `NodeGuard`
[INFO] [stdout]    --> src/node_compositions.rs:157:28
[INFO] [stdout]     |
[INFO] [stdout] 157 |     use control_wrappers::{NodeGuard, GuardedNode};
[INFO] [stdout]     |                            ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node_runner::NodeRunner`
[INFO] [stdout]    --> src/node_compositions.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     use node_runner::NodeRunner;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]    --> src/node_compositions.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     use std::marker::PhantomData;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/control_wrappers.rs:187:21
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 let mut new_machine = N::default();
[INFO] [stdout]     |                     ----^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_node_4`
[INFO] [stdout]    --> src/parallel_node.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let par_node_4 = match par_node_3.step(&-3) {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_par_node_4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/node_compositions.rs:502:23
[INFO] [stdout]     |
[INFO] [stdout] 502 |         fn step(self, input: &()) -> (Self::Action, Self) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/node_compositions.rs:526:23
[INFO] [stdout]     |
[INFO] [stdout] 526 |         fn step(self, input: &()) -> (Self::Action, Self) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/control_wrappers.rs:187:21
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 let mut new_machine = N::default();
[INFO] [stdout]     |                     ----^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "ff7706d7e5c94b76a6812c70ef2220764609a28edd988f2a39749dbc798c0af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7706d7e5c94b76a6812c70ef2220764609a28edd988f2a39749dbc798c0af8", kill_on_drop: false }`
[INFO] [stdout] ff7706d7e5c94b76a6812c70ef2220764609a28edd988f2a39749dbc798c0af8