[INFO] cloning repository https://github.com/gorille/GA-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gorille/GA-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorille%2FGA-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorille%2FGA-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c50e7e421dd0bba555a2cf383cb41d1da4c1fa3d [INFO] checking gorille/GA-rust against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorille%2FGA-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gorille/GA-rust [INFO] finished tweaking git repo https://github.com/gorille/GA-rust [INFO] tweaked toml for git repo https://github.com/gorille/GA-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gorille/GA-rust on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gorille/GA-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c5fab0aa60fa822d60c5c850325330113ce7debb91e2f89afd33ae3d08b00e0 [INFO] running `Command { std: "docker" "start" "-a" "1c5fab0aa60fa822d60c5c850325330113ce7debb91e2f89afd33ae3d08b00e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c5fab0aa60fa822d60c5c850325330113ce7debb91e2f89afd33ae3d08b00e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5fab0aa60fa822d60c5c850325330113ce7debb91e2f89afd33ae3d08b00e0", kill_on_drop: false }` [INFO] [stdout] 1c5fab0aa60fa822d60c5c850325330113ce7debb91e2f89afd33ae3d08b00e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66afed16587dd317dd720487604b3988fde8eb38aeb0eea28f982898a01e21f3 [INFO] running `Command { std: "docker" "start" "-a" "66afed16587dd317dd720487604b3988fde8eb38aeb0eea28f982898a01e21f3", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking optim-mo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/genetics/genome.rs:22:82 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn evolve(self, generations: usize, callback_interval: usize, callback: &Fn(usize, &Vec)) -> Individual { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | pub fn evolve(self, generations: usize, callback_interval: usize, callback: &dyn Fn(usize, &Vec)) -> Individual { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/genetics/genome.rs:22:82 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn evolve(self, generations: usize, callback_interval: usize, callback: &Fn(usize, &Vec)) -> Individual { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | pub fn evolve(self, generations: usize, callback_interval: usize, callback: &dyn Fn(usize, &Vec)) -> Individual { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "66afed16587dd317dd720487604b3988fde8eb38aeb0eea28f982898a01e21f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66afed16587dd317dd720487604b3988fde8eb38aeb0eea28f982898a01e21f3", kill_on_drop: false }` [INFO] [stdout] 66afed16587dd317dd720487604b3988fde8eb38aeb0eea28f982898a01e21f3