[INFO] fetching crate metaheuristics-nature 0.8.0...
[INFO] testing metaheuristics-nature-0.8.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate metaheuristics-nature 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate metaheuristics-nature 0.8.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metaheuristics-nature 0.8.0
[INFO] finished tweaking crates.io crate metaheuristics-nature 0.8.0
[INFO] tweaked toml for crates.io crate metaheuristics-nature 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f42894a1738d038d9af35a448a5155080c4655fe92bf20f8155263d40ad0f2a4
[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" "f42894a1738d038d9af35a448a5155080c4655fe92bf20f8155263d40ad0f2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f42894a1738d038d9af35a448a5155080c4655fe92bf20f8155263d40ad0f2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42894a1738d038d9af35a448a5155080c4655fe92bf20f8155263d40ad0f2a4", kill_on_drop: false }`
[INFO] [stdout] f42894a1738d038d9af35a448a5155080c4655fe92bf20f8155263d40ad0f2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] a9624c02983a5802903188b4acfcb063e73b2ca88dd3c84d7fcee98a1f4ef50e
[INFO] running `Command { std: "docker" "start" "-a" "a9624c02983a5802903188b4acfcb063e73b2ca88dd3c84d7fcee98a1f4ef50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling metaheuristics-nature v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.61s
[INFO] running `Command { std: "docker" "inspect" "a9624c02983a5802903188b4acfcb063e73b2ca88dd3c84d7fcee98a1f4ef50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9624c02983a5802903188b4acfcb063e73b2ca88dd3c84d7fcee98a1f4ef50e", kill_on_drop: false }`
[INFO] [stdout] a9624c02983a5802903188b4acfcb063e73b2ca88dd3c84d7fcee98a1f4ef50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef55a5c8fba700685b3fee51920f3d0b9f83e6f3561f2120857ed3feb33023f
[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" "0ef55a5c8fba700685b3fee51920f3d0b9f83e6f3561f2120857ed3feb33023f", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaheuristics-nature v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "0ef55a5c8fba700685b3fee51920f3d0b9f83e6f3561f2120857ed3feb33023f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef55a5c8fba700685b3fee51920f3d0b9f83e6f3561f2120857ed3feb33023f", kill_on_drop: false }`
[INFO] [stdout] 0ef55a5c8fba700685b3fee51920f3d0b9f83e6f3561f2120857ed3feb33023f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e816e1cdd3d58fd1ef00473c14a1366995c9a3bac610997569cc152e574ec89
[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" "0e816e1cdd3d58fd1ef00473c14a1366995c9a3bac610997569cc152e574ec89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metaheuristics_nature-7130b1f7d3674768)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::pso ... ok
[INFO] [stdout] test tests::tlbo ... ok
[INFO] [stdout] test tests::rga ... ok
[INFO] [stdout] test tests::fa ... ok
[INFO] [stdout] test tests::de ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.70s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metaheuristics-nature
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 2) ... FAILED
[INFO] [stdout] test src/utility.rs - utility::Algorithm (line 138) ... ok
[INFO] [stdout] test src/obj_func.rs - obj_func::ObjFunc (line 7) ... ok
[INFO] [stdout] test src/lib.rs - setting_builder (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 2) stdout ----
[INFO] [stdout] error[E0277]: expected a `FnMut<(Report,)>` closure, found `()`
[INFO] [stdout]    --> src/lib.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout] 32  |     () // Run without callback
[INFO] [stdout]     |     ^^ expected an `FnMut<(Report,)>` closure, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FnMut<(Report,)>` is not implemented for `()`
[INFO] [stdout] note: required by `solve`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/utility.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn solve(func: F, settings: Self::Setting, callback: impl FnMut(Report) -> bool) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 2)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0e816e1cdd3d58fd1ef00473c14a1366995c9a3bac610997569cc152e574ec89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e816e1cdd3d58fd1ef00473c14a1366995c9a3bac610997569cc152e574ec89", kill_on_drop: false }`
[INFO] [stdout] 0e816e1cdd3d58fd1ef00473c14a1366995c9a3bac610997569cc152e574ec89