[INFO] cloning repository https://github.com/greizgh/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greizgh/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7919ca39823e0ce858420c05c67fdf4d4f1b11a4 [INFO] testing greizgh/hello-rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fhello-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/greizgh/hello-rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/greizgh/hello-rust [INFO] finished tweaking git repo https://github.com/greizgh/hello-rust [INFO] tweaked toml for git repo https://github.com/greizgh/hello-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/greizgh/hello-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b75d8e0240fd7338167d18caae15db1eb35fdd000223a30dce95406c12c1c01c [INFO] running `Command { std: "docker" "start" "-a" "b75d8e0240fd7338167d18caae15db1eb35fdd000223a30dce95406c12c1c01c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b75d8e0240fd7338167d18caae15db1eb35fdd000223a30dce95406c12c1c01c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75d8e0240fd7338167d18caae15db1eb35fdd000223a30dce95406c12c1c01c", kill_on_drop: false }` [INFO] [stdout] b75d8e0240fd7338167d18caae15db1eb35fdd000223a30dce95406c12c1c01c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9b2b5574712c533d2152bbf191fec88bb868263b600d040ee75c083b8aedc91 [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" "e9b2b5574712c533d2152bbf191fec88bb868263b600d040ee75c083b8aedc91", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling genetic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] 65 + fitness: &'a Fn(&Individual) -> i32, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] 65 + fitness: &'a (dyn Fn(&Individual) -> i32), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:70:93 [INFO] [stdout] | [INFO] [stdout] 70 | fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 - fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] 70 + fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a dyn Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.61s [INFO] running `Command { std: "docker" "inspect" "e9b2b5574712c533d2152bbf191fec88bb868263b600d040ee75c083b8aedc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9b2b5574712c533d2152bbf191fec88bb868263b600d040ee75c083b8aedc91", kill_on_drop: false }` [INFO] [stdout] e9b2b5574712c533d2152bbf191fec88bb868263b600d040ee75c083b8aedc91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 0187818ac5d3ca96713c2b958a3470601a4c108b0cd9ec782b0fa3edfa460807 [INFO] running `Command { std: "docker" "start" "-a" "0187818ac5d3ca96713c2b958a3470601a4c108b0cd9ec782b0fa3edfa460807", kill_on_drop: false }` [INFO] [stderr] Compiling genetic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] 65 + fitness: &'a Fn(&Individual) -> i32, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stdout] 65 + fitness: &'a (dyn Fn(&Individual) -> i32), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:70:93 [INFO] [stdout] | [INFO] [stdout] 70 | fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 - fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] 70 + fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a dyn Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/genetic-481064e741cbe8ff) [INFO] running `Command { std: "docker" "inspect" "0187818ac5d3ca96713c2b958a3470601a4c108b0cd9ec782b0fa3edfa460807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0187818ac5d3ca96713c2b958a3470601a4c108b0cd9ec782b0fa3edfa460807", kill_on_drop: false }` [INFO] [stdout] 0187818ac5d3ca96713c2b958a3470601a4c108b0cd9ec782b0fa3edfa460807 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b2f35d02b38112fe5fb05fcbf77faa1198f3f9bb3f3c60f0e4cf6ea4cf6a703c [INFO] running `Command { std: "docker" "start" "-a" "b2f35d02b38112fe5fb05fcbf77faa1198f3f9bb3f3c60f0e4cf6ea4cf6a703c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/main.rs:65:18 [INFO] [stderr] | [INFO] [stderr] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stderr] 65 + fitness: &'a Fn(&Individual) -> i32, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:65:19 [INFO] [stderr] | [INFO] [stderr] 65 | fitness: &'a (Fn(&Individual) -> i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 65 - fitness: &'a (Fn(&Individual) -> i32), [INFO] [stderr] 65 + fitness: &'a (dyn Fn(&Individual) -> i32), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:70:93 [INFO] [stderr] | [INFO] [stderr] 70 | fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 70 - fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stderr] 70 + fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a dyn Fn(&Individual) -> i32 ) -> Population<'a> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `genetic` (bin "genetic" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.41s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/genetic-481064e741cbe8ff) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test levenshtein::test_levenshtein ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b2f35d02b38112fe5fb05fcbf77faa1198f3f9bb3f3c60f0e4cf6ea4cf6a703c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2f35d02b38112fe5fb05fcbf77faa1198f3f9bb3f3c60f0e4cf6ea4cf6a703c", kill_on_drop: false }` [INFO] [stdout] b2f35d02b38112fe5fb05fcbf77faa1198f3f9bb3f3c60f0e4cf6ea4cf6a703c