[INFO] fetching crate metaheuristics 1.1.22...
[INFO] testing metaheuristics-1.1.22 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate metaheuristics 1.1.22 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate metaheuristics 1.1.22
[INFO] finished tweaking crates.io crate metaheuristics 1.1.22
[INFO] tweaked toml for crates.io crate metaheuristics 1.1.22 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metaheuristics 1.1.22 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f784981c4815eaa6dda82c54fd16e2ffa1c2561d7db575f7646bea78d1b2cefc
[INFO] running `Command { std: "docker" "start" "-a" "f784981c4815eaa6dda82c54fd16e2ffa1c2561d7db575f7646bea78d1b2cefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f784981c4815eaa6dda82c54fd16e2ffa1c2561d7db575f7646bea78d1b2cefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f784981c4815eaa6dda82c54fd16e2ffa1c2561d7db575f7646bea78d1b2cefc", kill_on_drop: false }`
[INFO] [stdout] f784981c4815eaa6dda82c54fd16e2ffa1c2561d7db575f7646bea78d1b2cefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a02aab4437423a52f701c108b7f50c6ac6ddd560c238c2e16896889981427b
[INFO] running `Command { std: "docker" "start" "-a" "35a02aab4437423a52f701c108b7f50c6ac6ddd560c238c2e16896889981427b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling metaheuristics v1.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "35a02aab4437423a52f701c108b7f50c6ac6ddd560c238c2e16896889981427b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a02aab4437423a52f701c108b7f50c6ac6ddd560c238c2e16896889981427b", kill_on_drop: false }`
[INFO] [stdout] 35a02aab4437423a52f701c108b7f50c6ac6ddd560c238c2e16896889981427b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1daa2f49443866bb96f7d244f0f54047059db2d475cd7727b524389ef7f9869a
[INFO] running `Command { std: "docker" "start" "-a" "1daa2f49443866bb96f7d244f0f54047059db2d475cd7727b524389ef7f9869a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metaheuristics v1.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/mod.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/hill_climbing/random_restarts/mod.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/random_search/mod.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 | use time::{Duration, Instant};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stdout]   --> src/simulated_annealing/mod.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let start_time = Instant::now();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1daa2f49443866bb96f7d244f0f54047059db2d475cd7727b524389ef7f9869a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1daa2f49443866bb96f7d244f0f54047059db2d475cd7727b524389ef7f9869a", kill_on_drop: false }`
[INFO] [stdout] 1daa2f49443866bb96f7d244f0f54047059db2d475cd7727b524389ef7f9869a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3a77d3e97d3a7336962ca5d5c15295fde059444292ba846a71880c6f6c7c712
[INFO] running `Command { std: "docker" "start" "-a" "c3a77d3e97d3a7336962ca5d5c15295fde059444292ba846a71880c6f6c7c712", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/hill_climbing/mod.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | use time::{Duration, Instant};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/hill_climbing/mod.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let start_time = Instant::now();
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/hill_climbing/random_restarts/mod.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 | use time::{Duration, Instant};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/hill_climbing/random_restarts/mod.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let start_time = Instant::now();
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/random_search/mod.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 | use time::{Duration, Instant};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/random_search/mod.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let start_time = Instant::now();
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated tuple struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/simulated_annealing/mod.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 | use time::{Duration, Instant};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `std::time::Instant` and `time::ext::InstantExt` instead
[INFO] [stderr]   --> src/simulated_annealing/mod.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let start_time = Instant::now();
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `metaheuristics` (lib) generated 8 warnings
[INFO] [stderr] warning: `metaheuristics` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metaheuristics-8cd273a94ffaf389)
[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] [stderr]    Doc-tests metaheuristics
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing (line 17) ... ignored
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 36) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 13) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts::solve (line 37) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::clone_candidate (line 77) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::generate_candidate (line 84) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::rank_candidate (line 91) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::tweak_candidate (line 100) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 10) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 27) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 43) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 61) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 13 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3a77d3e97d3a7336962ca5d5c15295fde059444292ba846a71880c6f6c7c712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a77d3e97d3a7336962ca5d5c15295fde059444292ba846a71880c6f6c7c712", kill_on_drop: false }`
[INFO] [stdout] c3a77d3e97d3a7336962ca5d5c15295fde059444292ba846a71880c6f6c7c712
