[INFO] fetching crate stackbt_behavior_tree 0.1.2...
[INFO] testing stackbt_behavior_tree-0.1.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate stackbt_behavior_tree 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stackbt_behavior_tree 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 326deccb9b063c2c023a205fd83707295a78cb5a8762ed95f106e9a06a2e2894
[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" "326deccb9b063c2c023a205fd83707295a78cb5a8762ed95f106e9a06a2e2894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326deccb9b063c2c023a205fd83707295a78cb5a8762ed95f106e9a06a2e2894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326deccb9b063c2c023a205fd83707295a78cb5a8762ed95f106e9a06a2e2894", kill_on_drop: false }`
[INFO] [stdout] 326deccb9b063c2c023a205fd83707295a78cb5a8762ed95f106e9a06a2e2894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c96d4a351ea8ef5a3c8902e97bd69fa3f7c7bb6832dac4de71a8606af0a1834
[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" "2c96d4a351ea8ef5a3c8902e97bd69fa3f7c7bb6832dac4de71a8606af0a1834", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackbt_automata_impl v0.1.2
[INFO] [stderr]    Compiling stackbt_behavior_tree v0.1.2 (/opt/rustwide/workdir)
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2c96d4a351ea8ef5a3c8902e97bd69fa3f7c7bb6832dac4de71a8606af0a1834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c96d4a351ea8ef5a3c8902e97bd69fa3f7c7bb6832dac4de71a8606af0a1834", kill_on_drop: false }`
[INFO] [stdout] 2c96d4a351ea8ef5a3c8902e97bd69fa3f7c7bb6832dac4de71a8606af0a1834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dffd23520112094af4d5ac4f3be994d604e7af9143e71205cef83834f0e02f7c
[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" "dffd23520112094af4d5ac4f3be994d604e7af9143e71205cef83834f0e02f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackbt_behavior_tree v0.1.2 (/opt/rustwide/workdir)
[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 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: 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 test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "dffd23520112094af4d5ac4f3be994d604e7af9143e71205cef83834f0e02f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffd23520112094af4d5ac4f3be994d604e7af9143e71205cef83834f0e02f7c", kill_on_drop: false }`
[INFO] [stdout] dffd23520112094af4d5ac4f3be994d604e7af9143e71205cef83834f0e02f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 636953bd22283fec98e49b308a6819ba2f2b54b356d08328320c0f894a16f831
[INFO] running `Command { std: "docker" "start" "-a" "636953bd22283fec98e49b308a6819ba2f2b54b356d08328320c0f894a16f831", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/control_wrappers.rs:187:21
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 17 tests
[INFO] [stderr] 187 |                 let mut new_machine = N::default();
[INFO] [stdout] test base_nodes::tests::evaluation_test ... ok
[INFO] [stderr]     |                     ----^^^^^^^^^^^
[INFO] [stdout] test base_nodes::tests::leaf_test ... ok
[INFO] [stderr]     |                     |
[INFO] [stdout] test control_wrappers::tests::step_control_test ... ok
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stdout] test node_compositions::tests::parallel_racer_test ... ok
[INFO] [stderr]     |
[INFO] [stdout] test map_wrappers::tests::output_map_test ... ok
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] test control_wrappers::tests::guarded_node_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test parallel_node::tests::parallel_node_test ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test node_compositions::tests::serial_selector_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test control_wrappers::tests::post_reset_test ... ok
[INFO] [stderr] warning: unused imports: `GuardedNode`, `NodeGuard`
[INFO] [stdout] test serial_node::tests::serial_switcharound_test ... ok
[INFO] [stderr]    --> src/node_compositions.rs:157:28
[INFO] [stdout] test node_runner::tests::runner_test ... ok
[INFO] [stderr]     |
[INFO] [stdout] test map_wrappers::tests::input_map_test ... ok
[INFO] [stderr] 157 |     use control_wrappers::{NodeGuard, GuardedNode};
[INFO] [stdout] test map_wrappers::tests::custom_constructor_test ... ok
[INFO] [stderr]     |                            ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] test base_nodes::tests::pred_wait_test ... ok
[INFO] [stderr]     |
[INFO] [stdout] test node_compositions::tests::serial_runner_test ... ok
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test node_compositions::tests::parallel_runner_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test map_wrappers::tests::lazy_constructor_test ... ok
[INFO] [stderr] warning: unused import: `node_runner::NodeRunner`
[INFO] [stdout] 
[INFO] [stderr]    --> src/node_compositions.rs:158:9
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]     |
[INFO] [stdout] 
[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: 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 test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stackbt_behavior_tree-a484dbd015d3179d
[INFO] [stderr]    Doc-tests stackbt_behavior_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "636953bd22283fec98e49b308a6819ba2f2b54b356d08328320c0f894a16f831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636953bd22283fec98e49b308a6819ba2f2b54b356d08328320c0f894a16f831", kill_on_drop: false }`
[INFO] [stdout] 636953bd22283fec98e49b308a6819ba2f2b54b356d08328320c0f894a16f831
