[INFO] fetching crate rustneat 0.2.1...
[INFO] checking rustneat-0.2.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rustneat 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustneat 0.2.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 31ba675f3a0c3e0bee3fcaeae6279b5370a210e009011a9cf58a40a9d192a7cb
[INFO] running `Command { std: "docker" "start" "-a" "31ba675f3a0c3e0bee3fcaeae6279b5370a210e009011a9cf58a40a9d192a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ba675f3a0c3e0bee3fcaeae6279b5370a210e009011a9cf58a40a9d192a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ba675f3a0c3e0bee3fcaeae6279b5370a210e009011a9cf58a40a9d192a7cb", kill_on_drop: false }`
[INFO] [stdout] 31ba675f3a0c3e0bee3fcaeae6279b5370a210e009011a9cf58a40a9d192a7cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbd1b6d2e3895b393f872df54442c196e14946f2dfdb872bfa9612c3f3e0f20
[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" "6dbd1b6d2e3895b393f872df54442c196e14946f2dfdb872bfa9612c3f3e0f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking rustneat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mutation.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Mutation {
[INFO] [stdout]   |      ^^^^^^^^ help: use `dyn`: `dyn Mutation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mutation.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_connection(in_neuron_id: usize, out_neuron_id: usize) -> (Gene) {
[INFO] [stdout]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/population.rs:49:53
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn evaluate_in(&mut self, environment: &mut Environment) {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/species_evaluator.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     environment: &'a mut Environment,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/species_evaluator.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(environment: &mut Environment) -> SpeciesEvaluator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mutation.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Mutation {
[INFO] [stdout]   |      ^^^^^^^^ help: use `dyn`: `dyn Mutation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mutation.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_connection(in_neuron_id: usize, out_neuron_id: usize) -> (Gene) {
[INFO] [stdout]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/population.rs:49:53
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn evaluate_in(&mut self, environment: &mut Environment) {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/species_evaluator.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     environment: &'a mut Environment,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/species_evaluator.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(environment: &mut Environment) -> SpeciesEvaluator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: use `dyn`: `dyn Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "6dbd1b6d2e3895b393f872df54442c196e14946f2dfdb872bfa9612c3f3e0f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbd1b6d2e3895b393f872df54442c196e14946f2dfdb872bfa9612c3f3e0f20", kill_on_drop: false }`
[INFO] [stdout] 6dbd1b6d2e3895b393f872df54442c196e14946f2dfdb872bfa9612c3f3e0f20