[INFO] cloning repository https://github.com/andschwa/rust-genetic-algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andschwa/rust-genetic-algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandschwa%2Frust-genetic-algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandschwa%2Frust-genetic-algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0477eecdab3f356a73ee4802279b6bd533b12f6
[INFO] checking andschwa/rust-genetic-algorithm against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandschwa%2Frust-genetic-algorithm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andschwa/rust-genetic-algorithm on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andschwa/rust-genetic-algorithm
[INFO] finished tweaking git repo https://github.com/andschwa/rust-genetic-algorithm
[INFO] tweaked toml for git repo https://github.com/andschwa/rust-genetic-algorithm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andschwa/rust-genetic-algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e2d118f6b79e20f11aac7bdc87f6ea852cdd6ccb5abd409c234f2ddbac50dc
[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" "f4e2d118f6b79e20f11aac7bdc87f6ea852cdd6ccb5abd409c234f2ddbac50dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e2d118f6b79e20f11aac7bdc87f6ea852cdd6ccb5abd409c234f2ddbac50dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e2d118f6b79e20f11aac7bdc87f6ea852cdd6ccb5abd409c234f2ddbac50dc", kill_on_drop: false }`
[INFO] [stdout] f4e2d118f6b79e20f11aac7bdc87f6ea852cdd6ccb5abd409c234f2ddbac50dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649bf1ce97602e2dc0e3521f185fe3ad92fa50757ec6f3cc32025fd3b58b6ba8
[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" "649bf1ce97602e2dc0e3521f185fe3ad92fa50757ec6f3cc32025fd3b58b6ba8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.38
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking clap v0.10.5
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rust-genetic-algorithm v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / arg_enum!{
[INFO] [stdout] 17 | |     #[derive(Debug, PartialEq, Eq, Copy, Clone)]
[INFO] [stdout] 18 | |     pub enum Problem {
[INFO] [stdout] 19 | |         Ackley,
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / arg_enum!{
[INFO] [stdout] 17 | |     #[derive(Debug, PartialEq, Eq, Copy, Clone)]
[INFO] [stdout] 18 | |     pub enum Problem {
[INFO] [stdout] 19 | |         Ackley,
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "649bf1ce97602e2dc0e3521f185fe3ad92fa50757ec6f3cc32025fd3b58b6ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649bf1ce97602e2dc0e3521f185fe3ad92fa50757ec6f3cc32025fd3b58b6ba8", kill_on_drop: false }`
[INFO] [stdout] 649bf1ce97602e2dc0e3521f185fe3ad92fa50757ec6f3cc32025fd3b58b6ba8