[INFO] fetching crate cuckoo 0.8.0...
[INFO] testing cuckoo-0.8.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cuckoo 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cuckoo 0.8.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuckoo 0.8.0
[INFO] finished tweaking crates.io crate cuckoo 0.8.0
[INFO] tweaked toml for crates.io crate cuckoo 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a622000d9bfa596b03bcc05d12013d6a0a8d2d3b6b6c74c89011b65955835a
[INFO] running `Command { std: "docker" "start" "-a" "79a622000d9bfa596b03bcc05d12013d6a0a8d2d3b6b6c74c89011b65955835a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a622000d9bfa596b03bcc05d12013d6a0a8d2d3b6b6c74c89011b65955835a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a622000d9bfa596b03bcc05d12013d6a0a8d2d3b6b6c74c89011b65955835a", kill_on_drop: false }`
[INFO] [stdout] 79a622000d9bfa596b03bcc05d12013d6a0a8d2d3b6b6c74c89011b65955835a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e4a9047032a388cfdc6ee906febf23621efea15bd242f0c9be53ed749023525
[INFO] running `Command { std: "docker" "start" "-a" "1e4a9047032a388cfdc6ee906febf23621efea15bd242f0c9be53ed749023525", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "1e4a9047032a388cfdc6ee906febf23621efea15bd242f0c9be53ed749023525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4a9047032a388cfdc6ee906febf23621efea15bd242f0c9be53ed749023525", kill_on_drop: false }`
[INFO] [stdout] 1e4a9047032a388cfdc6ee906febf23621efea15bd242f0c9be53ed749023525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacb37a05cad5c487d55f974eb42f284a444057c1bc280127363697510749904
[INFO] running `Command { std: "docker" "start" "-a" "eacb37a05cad5c487d55f974eb42f284a444057c1bc280127363697510749904", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "eacb37a05cad5c487d55f974eb42f284a444057c1bc280127363697510749904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacb37a05cad5c487d55f974eb42f284a444057c1bc280127363697510749904", kill_on_drop: false }`
[INFO] [stdout] eacb37a05cad5c487d55f974eb42f284a444057c1bc280127363697510749904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 486b2d971c617f56b1af89270501f7fc316eee69d87b33a69587a0c45af9c7bc
[INFO] running `Command { std: "docker" "start" "-a" "486b2d971c617f56b1af89270501f7fc316eee69d87b33a69587a0c45af9c7bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cuckoo-4656e21afc9632a2)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::sort_algorithm ... ok
[INFO] [stdout] test tests::test_get_best_nest ... ok
[INFO] [stdout] test tests::test_empty_nests ... ok
[INFO] [stdout] test tests::test_get_levy_flight ... ok
[INFO] [stdout] test tests::test_get_pa ... ok
[INFO] [stdout] test tests::test_get_cuckoos ... ok
[INFO] [stdout] test tests::test_get_random_parameter ... ok
[INFO] [stdout] test tests::test_get_levy ... ok
[INFO] [stdout] test tests::simple_fn_optim ... ok
[INFO] [stdout] test tests::test_rosenbrok_function ... ok
[INFO] [stdout] test tests::test_u_2_function ... ok
[INFO] [stdout] test tests::test_rastigrin_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cuckoo
[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] running `Command { std: "docker" "inspect" "486b2d971c617f56b1af89270501f7fc316eee69d87b33a69587a0c45af9c7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486b2d971c617f56b1af89270501f7fc316eee69d87b33a69587a0c45af9c7bc", kill_on_drop: false }`
[INFO] [stdout] 486b2d971c617f56b1af89270501f7fc316eee69d87b33a69587a0c45af9c7bc