[INFO] updating cached repository https://github.com/gorille/GA-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c50e7e421dd0bba555a2cf383cb41d1da4c1fa3d
[INFO] checking gorille/GA-rust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorille%2FGA-rust" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gorille/GA-rust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gorille/GA-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5cf92efa583bc7563cf4e0babac937a6eb5160f7e7df723287dcdc0faa9120e3
[INFO] running `"docker" "start" "-a" "5cf92efa583bc7563cf4e0babac937a6eb5160f7e7df723287dcdc0faa9120e3"`
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking optim-mo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/genetics/genome.rs:22:82
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn evolve(self, generations: usize, callback_interval: usize, callback: &Fn(usize, &Vec<Individual>)) -> Individual {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, &Vec<Individual>)`
[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/genetics/genome.rs:22:82
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn evolve(self, generations: usize, callback_interval: usize, callback: &Fn(usize, &Vec<Individual>)) -> Individual {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, &Vec<Individual>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `"docker" "inspect" "5cf92efa583bc7563cf4e0babac937a6eb5160f7e7df723287dcdc0faa9120e3"`
[INFO] running `"docker" "rm" "-f" "5cf92efa583bc7563cf4e0babac937a6eb5160f7e7df723287dcdc0faa9120e3"`
[INFO] [stdout] 5cf92efa583bc7563cf4e0babac937a6eb5160f7e7df723287dcdc0faa9120e3