[INFO] cloning repository https://github.com/Zuchis/genetic-algorithm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zuchis/genetic-algorithm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bcf070273532deade17285dc55bb4ffaed1e1b0
[INFO] testing Zuchis/genetic-algorithm-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zuchis/genetic-algorithm-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zuchis/genetic-algorithm-rust
[INFO] finished tweaking git repo https://github.com/Zuchis/genetic-algorithm-rust
[INFO] tweaked toml for git repo https://github.com/Zuchis/genetic-algorithm-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Zuchis/genetic-algorithm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded num-traits v0.1.37
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3164511e53ea598484034c33b782be8ff9be5435782c48ce235e5d9acd67d9
[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" "ed3164511e53ea598484034c33b782be8ff9be5435782c48ce235e5d9acd67d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3164511e53ea598484034c33b782be8ff9be5435782c48ce235e5d9acd67d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3164511e53ea598484034c33b782be8ff9be5435782c48ce235e5d9acd67d9", kill_on_drop: false }`
[INFO] [stdout] ed3164511e53ea598484034c33b782be8ff9be5435782c48ce235e5d9acd67d9
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912f302cfbe4cd4fc1b93577ef4e25b1aad2b5813f2dd731cfd6e4ac5561b0ad
[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" "912f302cfbe4cd4fc1b93577ef4e25b1aad2b5813f2dd731cfd6e4ac5561b0ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling genetic-algorithm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fitness.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/crossover.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "912f302cfbe4cd4fc1b93577ef4e25b1aad2b5813f2dd731cfd6e4ac5561b0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912f302cfbe4cd4fc1b93577ef4e25b1aad2b5813f2dd731cfd6e4ac5561b0ad", kill_on_drop: false }`
[INFO] [stdout] 912f302cfbe4cd4fc1b93577ef4e25b1aad2b5813f2dd731cfd6e4ac5561b0ad
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccada02bc6bd23b2c3b95c36b87c418192f027ce9082b69c4e543d7e3ae469e0
[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" "ccada02bc6bd23b2c3b95c36b87c418192f027ce9082b69c4e543d7e3ae469e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling genetic-algorithm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fitness.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/crossover.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "ccada02bc6bd23b2c3b95c36b87c418192f027ce9082b69c4e543d7e3ae469e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccada02bc6bd23b2c3b95c36b87c418192f027ce9082b69c4e543d7e3ae469e0", kill_on_drop: false }`
[INFO] [stdout] ccada02bc6bd23b2c3b95c36b87c418192f027ce9082b69c4e543d7e3ae469e0
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbd612162d23092887099ae99d89b9b49709fe5785e7175852f7a16227fbcd1b
[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" "cbd612162d23092887099ae99d89b9b49709fe5785e7175852f7a16227fbcd1b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fitness.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fitness.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/crossover.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/genetic_algorithm_rust-6f9325d2e255dbf9
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbd612162d23092887099ae99d89b9b49709fe5785e7175852f7a16227fbcd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd612162d23092887099ae99d89b9b49709fe5785e7175852f7a16227fbcd1b", kill_on_drop: false }`
[INFO] [stdout] cbd612162d23092887099ae99d89b9b49709fe5785e7175852f7a16227fbcd1b