[INFO] crate rustneat 0.2.1 is already in cache
[INFO] checking rustneat-0.2.1 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate rustneat 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustneat 0.2.1 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustneat 0.2.1
[INFO] finished tweaking crates.io crate rustneat 0.2.1
[INFO] tweaked toml for crates.io crate rustneat 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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-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" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74ca7996260ef0dab19627c63c53a0be70a037f98193868e4ad9ae6319df84b4
[INFO] running `"docker" "start" "-a" "74ca7996260ef0dab19627c63c53a0be70a037f98193868e4ad9ae6319df84b4"`
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking rustneat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mutation.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Mutation {
[INFO] [stderr]   |      ^^^^^^^^ help: use `dyn`: `dyn Mutation`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/mutation.rs:14:73
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_connection(in_neuron_id: usize, out_neuron_id: usize) -> (Gene) {
[INFO] [stderr]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/population.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn evaluate_in(&mut self, environment: &mut Environment) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/species_evaluator.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     environment: &'a mut Environment,
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/species_evaluator.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(environment: &mut Environment) -> SpeciesEvaluator {
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mutation.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Mutation {
[INFO] [stderr]   |      ^^^^^^^^ help: use `dyn`: `dyn Mutation`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/mutation.rs:14:73
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_connection(in_neuron_id: usize, out_neuron_id: usize) -> (Gene) {
[INFO] [stderr]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/population.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn evaluate_in(&mut self, environment: &mut Environment) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/species_evaluator.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     environment: &'a mut Environment,
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/species_evaluator.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(environment: &mut Environment) -> SpeciesEvaluator {
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `"docker" "inspect" "74ca7996260ef0dab19627c63c53a0be70a037f98193868e4ad9ae6319df84b4"`
[INFO] running `"docker" "rm" "-f" "74ca7996260ef0dab19627c63c53a0be70a037f98193868e4ad9ae6319df84b4"`
[INFO] [stdout] 74ca7996260ef0dab19627c63c53a0be70a037f98193868e4ad9ae6319df84b4