[INFO] fetching crate cuckoo 0.8.0...
[INFO] testing cuckoo-0.8.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cuckoo 0.8.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate cuckoo 0.8.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dc9949f500cc2e052214838b0ef31c50b8210042b7b4576d4fb59e36235c88e
[INFO] running `Command { std: "docker" "start" "-a" "7dc9949f500cc2e052214838b0ef31c50b8210042b7b4576d4fb59e36235c88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc9949f500cc2e052214838b0ef31c50b8210042b7b4576d4fb59e36235c88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc9949f500cc2e052214838b0ef31c50b8210042b7b4576d4fb59e36235c88e", kill_on_drop: false }`
[INFO] [stdout] 7dc9949f500cc2e052214838b0ef31c50b8210042b7b4576d4fb59e36235c88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5256b174e7166aee3154526ec733969744cec2e3a6a8bbd129746d3ae784fe6
[INFO] running `Command { std: "docker" "start" "-a" "c5256b174e7166aee3154526ec733969744cec2e3a6a8bbd129746d3ae784fe6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.83s
[INFO] running `Command { std: "docker" "inspect" "c5256b174e7166aee3154526ec733969744cec2e3a6a8bbd129746d3ae784fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5256b174e7166aee3154526ec733969744cec2e3a6a8bbd129746d3ae784fe6", kill_on_drop: false }`
[INFO] [stdout] c5256b174e7166aee3154526ec733969744cec2e3a6a8bbd129746d3ae784fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a96b6f083518f3b84351445c109aaa698049dfdc42a0b9cf1f56f310bf15a142
[INFO] running `Command { std: "docker" "start" "-a" "a96b6f083518f3b84351445c109aaa698049dfdc42a0b9cf1f56f310bf15a142", 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 4.58s
[INFO] running `Command { std: "docker" "inspect" "a96b6f083518f3b84351445c109aaa698049dfdc42a0b9cf1f56f310bf15a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96b6f083518f3b84351445c109aaa698049dfdc42a0b9cf1f56f310bf15a142", kill_on_drop: false }`
[INFO] [stdout] a96b6f083518f3b84351445c109aaa698049dfdc42a0b9cf1f56f310bf15a142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb300effdb692cb0e2535ebe2dc1cf840ddb7546302c70d5f61f6ff594bbe023
[INFO] running `Command { std: "docker" "start" "-a" "fb300effdb692cb0e2535ebe2dc1cf840ddb7546302c70d5f61f6ff594bbe023", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cuckoo-a05b9a374ee9b7a4)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_get_best_nest ... ok
[INFO] [stdout] test tests::test_get_levy ... ok
[INFO] [stdout] test tests::sort_algorithm ... ok
[INFO] [stdout] test tests::test_get_levy_flight ... ok
[INFO] [stdout] test tests::test_get_random_parameter ... ok
[INFO] [stdout] test tests::test_get_pa ... ok
[INFO] [stdout] test tests::test_get_cuckoos ... ok
[INFO] [stdout] test tests::test_empty_nests ... 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] [stderr]    Doc-tests cuckoo
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[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" "fb300effdb692cb0e2535ebe2dc1cf840ddb7546302c70d5f61f6ff594bbe023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb300effdb692cb0e2535ebe2dc1cf840ddb7546302c70d5f61f6ff594bbe023", kill_on_drop: false }`
[INFO] [stdout] fb300effdb692cb0e2535ebe2dc1cf840ddb7546302c70d5f61f6ff594bbe023