[INFO] fetching crate rustneat 0.2.1...
[INFO] testing rustneat-0.2.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate rustneat 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustneat 0.2.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v1.7.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.103
[INFO] [stderr]   Downloaded clippy v0.0.103
[INFO] [stderr]   Downloaded rusty_dashed v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f0ae9ffaeca58d6fe1cea9ff22769681b2ecc941ea317e0dc52019c4f7182ef
[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" "3f0ae9ffaeca58d6fe1cea9ff22769681b2ecc941ea317e0dc52019c4f7182ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f0ae9ffaeca58d6fe1cea9ff22769681b2ecc941ea317e0dc52019c4f7182ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0ae9ffaeca58d6fe1cea9ff22769681b2ecc941ea317e0dc52019c4f7182ef", kill_on_drop: false }`
[INFO] [stdout] 3f0ae9ffaeca58d6fe1cea9ff22769681b2ecc941ea317e0dc52019c4f7182ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", 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] 6e89b53aae8d78afa47a5f11462066d76affd06d5b6b574246da145d8dd61be6
[INFO] running `Command { std: "docker" "start" "-a" "6e89b53aae8d78afa47a5f11462066d76affd06d5b6b574246da145d8dd61be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling 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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Mutation::connection_weight(
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Mutation::toggle_expression(&mut self.genes[selected_gene]);
[INFO] [stdout]     |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             Mutation::add_neuron(gene, self.last_neuron_id)
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let gene = Mutation::add_connection(in_neuron_id, out_neuron_id);
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 | /             format!(
[INFO] [stdout] 86 | |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 | |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |             
[INFO] [stdout] 86 |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | /             format!(
[INFO] [stdout] 93 | |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 | |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 92 |             
[INFO] [stdout] 93 |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "6e89b53aae8d78afa47a5f11462066d76affd06d5b6b574246da145d8dd61be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e89b53aae8d78afa47a5f11462066d76affd06d5b6b574246da145d8dd61be6", kill_on_drop: false }`
[INFO] [stdout] 6e89b53aae8d78afa47a5f11462066d76affd06d5b6b574246da145d8dd61be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1ac17cdeb7e8e3aeb1f2ff6efef7ad9b869b0233fc62f609e9e1f487b493c6a
[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" "c1ac17cdeb7e8e3aeb1f2ff6efef7ad9b869b0233fc62f609e9e1f487b493c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Mutation::connection_weight(
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Mutation::toggle_expression(&mut self.genes[selected_gene]);
[INFO] [stdout]     |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             Mutation::add_neuron(gene, self.last_neuron_id)
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let gene = Mutation::add_connection(in_neuron_id, out_neuron_id);
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 | /             format!(
[INFO] [stdout] 86 | |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 | |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |             
[INFO] [stdout] 86 |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | /             format!(
[INFO] [stdout] 93 | |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 | |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 92 |             
[INFO] [stdout] 93 |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Mutation::connection_weight(
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Mutation::toggle_expression(&mut self.genes[selected_gene]);
[INFO] [stdout]     |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             Mutation::add_neuron(gene, self.last_neuron_id)
[INFO] [stdout]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/genome.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let gene = Mutation::add_connection(in_neuron_id, out_neuron_id);
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutation.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Mutation::toggle_expression(&mut gene);
[INFO] [stdout]    |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutation.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Mutation::toggle_expression(&mut gene);
[INFO] [stdout]    |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 | /             format!(
[INFO] [stdout] 86 | |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 | |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |             
[INFO] [stdout] 86 |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 87 |                 in_neuron_id, max_neuron_id
[INFO] [stdout] 88 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/genome.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 | /             format!(
[INFO] [stdout] 93 | |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 | |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 92 |             
[INFO] [stdout] 93 |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stdout] 94 |                 out_neuron_id, max_neuron_id
[INFO] [stdout] 95 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/organism.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 93 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stdout]    |            --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/organism.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             format!("{:?} is not smaller than 0.1", output[0])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 103 |             "{:?} is not smaller than 0.1", output[0]
[INFO] [stdout]     |            --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/organism.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 118 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stdout]     |            --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/organism.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 132 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stdout]     |            --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/organism.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             format!("{:?} is not smaller than 0.1", output[0])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 143 |             "{:?} is not smaller than 0.1", output[0]
[INFO] [stdout]     |            --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "c1ac17cdeb7e8e3aeb1f2ff6efef7ad9b869b0233fc62f609e9e1f487b493c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ac17cdeb7e8e3aeb1f2ff6efef7ad9b869b0233fc62f609e9e1f487b493c6a", kill_on_drop: false }`
[INFO] [stdout] c1ac17cdeb7e8e3aeb1f2ff6efef7ad9b869b0233fc62f609e9e1f487b493c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44cffedc4934b6a73274a8dca339cceba31be08578bdb7d10031203b5456acc4
[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" "44cffedc4934b6a73274a8dca339cceba31be08578bdb7d10031203b5456acc4", kill_on_drop: false }`
[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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Mutation::connection_weight(
[INFO] [stderr]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         Mutation::toggle_expression(&mut self.genes[selected_gene]);
[INFO] [stderr]     |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Mutation::add_neuron(gene, self.last_neuron_id)
[INFO] [stderr]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let gene = Mutation::add_connection(in_neuron_id, out_neuron_id);
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/genome.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             format!(
[INFO] [stderr] 86 | |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 87 | |                 in_neuron_id, max_neuron_id
[INFO] [stderr] 88 | |             )
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 85 |             
[INFO] [stderr] 86 |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 87 |                 in_neuron_id, max_neuron_id
[INFO] [stderr] 88 |             
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/genome.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 | /             format!(
[INFO] [stderr] 93 | |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 94 | |                 out_neuron_id, max_neuron_id
[INFO] [stderr] 95 | |             )
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 92 |             
[INFO] [stderr] 93 |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 94 |                 out_neuron_id, max_neuron_id
[INFO] [stderr] 95 |             
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Mutation::connection_weight(
[INFO] [stderr]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         Mutation::toggle_expression(&mut self.genes[selected_gene]);
[INFO] [stderr]     |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Mutation::add_neuron(gene, self.last_neuron_id)
[INFO] [stderr]     |             ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/genome.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let gene = Mutation::add_connection(in_neuron_id, out_neuron_id);
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutation.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Mutation::toggle_expression(&mut gene);
[INFO] [stderr]    |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutation.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Mutation::toggle_expression(&mut gene);
[INFO] [stderr]    |         ^^^^^^^^ help: use `dyn`: `<dyn Mutation>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/genome.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             format!(
[INFO] [stderr] 86 | |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 87 | |                 in_neuron_id, max_neuron_id
[INFO] [stderr] 88 | |             )
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 85 |             
[INFO] [stderr] 86 |                 "in_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 87 |                 in_neuron_id, max_neuron_id
[INFO] [stderr] 88 |             
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/genome.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 | /             format!(
[INFO] [stderr] 93 | |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 94 | |                 out_neuron_id, max_neuron_id
[INFO] [stderr] 95 | |             )
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 92 |             
[INFO] [stderr] 93 |                 "out_neuron_id {} is greater than max allowed id {}",
[INFO] [stderr] 94 |                 out_neuron_id, max_neuron_id
[INFO] [stderr] 95 |             
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/organism.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 93 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stderr]    |            --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/organism.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             format!("{:?} is not smaller than 0.1", output[0])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 103 |             "{:?} is not smaller than 0.1", output[0]
[INFO] [stderr]     |            --                                       --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/organism.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 118 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stderr]     |            --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/organism.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             format!("{:?} is not bigger than 0.9", output[0])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 132 |             "{:?} is not bigger than 0.9", output[0]
[INFO] [stderr]     |            --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/organism.rs:143:13
[INFO] [stderr]     |
[INFO] [stderr] 143 |             format!("{:?} is not smaller than 0.1", output[0])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 143 |             "{:?} is not smaller than 0.1", output[0]
[INFO] [stderr]     |            --                                       --
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustneat-609ddbb884f6f966)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test gene::tests::should_be_able_to_binary_search_for_a_gene ... ok
[INFO] [stdout] test genome::tests::mutation_add_neuron ... ok
[INFO] [stdout] test genome::tests::already_existing_gene_should_be_not_duplicated ... ok
[INFO] [stdout] test genome::tests::genomes_with_same_genes_with_big_differences_on_weight_should_be_in_other_specie ... ok
[INFO] [stdout] test genome::tests::two_genomes_with_enought_difference_should_be_in_different_species ... ok
[INFO] [stdout] test genome::tests::two_genomes_without_differences_should_be_in_same_specie ... ok
[INFO] [stdout] test organism::tests::should_propagate_signal_without_hidden_layers ... ok
[INFO] [stdout] test genome::tests::adding_an_existing_gene_disabled_should_enable_original ... ok
[INFO] [stdout] test organism::tests::should_not_raise_exception_if_less_neurons_than_required ... ok
[INFO] [stdout] test organism::tests::activate_organims_sensor_without_enough_neurons_should_ignore_it ... ok
[INFO] [stdout] test organism::tests::should_be_able_to_get_matrix_representation_of_the_neuron_connections ... ok
[INFO] [stdout] test genome::tests::genomes_with_same_genes_with_little_differences_on_weight_should_be_in_same_specie ... ok
[INFO] [stdout] test genome::tests::mutation_connection_weight ... ok
[INFO] [stdout] test organism::tests::should_propagate_signal_over_hidden_layers ... ok
[INFO] [stdout] test organism::tests::should_work_with_cyclic_networks ... ok
[INFO] [stdout] test mutation::tests::mutate_toggle_gene_should_toggle ... ok
[INFO] [stdout] test organism::tests::should_allow_multiple_output ... ok
[INFO] [stdout] test ctrnn::tests::neural_network_activation_should_return_correct_values ... ok
[INFO] [stdout] test specie::tests::specie_should_return_correct_average_fitness ... ok
[INFO] [stdout] test genome::tests::mutation_add_connection ... ok
[INFO] [stdout] test population::tests::population_should_be_able_to_speciate_genomes ... ok
[INFO] [stdout] test genome::tests::try_to_inject_a_unconnected_neuron_gene_should_panic ... ok
[INFO] [stdout] test population::tests::after_population_evolve_population_should_be_the_same ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rustneat_tests.rs (/opt/rustwide/target/debug/deps/rustneat_tests-6f238ef5bd49227b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::should_be_able_to_generate_a_population ... ok
[INFO] [stdout] test test::population_can_evolve ... ok
[INFO] [stdout] test test::population_can_be_tested_on_environment ... ok
[INFO] [stdout] test test::network_should_be_able_to_solve_xor_classification has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "44cffedc4934b6a73274a8dca339cceba31be08578bdb7d10031203b5456acc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cffedc4934b6a73274a8dca339cceba31be08578bdb7d10031203b5456acc4", kill_on_drop: false }`
[INFO] [stdout] 44cffedc4934b6a73274a8dca339cceba31be08578bdb7d10031203b5456acc4