[INFO] fetching crate differential-evolution 0.2.2...
[INFO] testing differential-evolution-0.2.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate differential-evolution 0.2.2 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate differential-evolution 0.2.2 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 differential-evolution 0.2.2
[INFO] finished tweaking crates.io crate differential-evolution 0.2.2
[INFO] tweaked toml for crates.io crate differential-evolution 0.2.2 written to /workspace/builds/worker-18/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f9bcd55021a334d833895c5b93bb431db528240c989ced02cf7d91c22e0c4953
[INFO] running `Command { std: "docker" "start" "-a" "f9bcd55021a334d833895c5b93bb431db528240c989ced02cf7d91c22e0c4953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9bcd55021a334d833895c5b93bb431db528240c989ced02cf7d91c22e0c4953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bcd55021a334d833895c5b93bb431db528240c989ced02cf7d91c22e0c4953", kill_on_drop: false }`
[INFO] [stdout] f9bcd55021a334d833895c5b93bb431db528240c989ced02cf7d91c22e0c4953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 0ac947c7fd7b1e6d8772b0b8b3ae836d79785c223c3cdab9b7ce082512513b1c
[INFO] running `Command { std: "docker" "start" "-a" "0ac947c7fd7b1e6d8772b0b8b3ae836d79785c223c3cdab9b7ce082512513b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling differential-evolution v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0ac947c7fd7b1e6d8772b0b8b3ae836d79785c223c3cdab9b7ce082512513b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac947c7fd7b1e6d8772b0b8b3ae836d79785c223c3cdab9b7ce082512513b1c", kill_on_drop: false }`
[INFO] [stdout] 0ac947c7fd7b1e6d8772b0b8b3ae836d79785c223c3cdab9b7ce082512513b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 798cdd5d5917ed73a1abd0e9b9a3420584ddfade6a1bc51fe83a38f037a0fa8d
[INFO] running `Command { std: "docker" "start" "-a" "798cdd5d5917ed73a1abd0e9b9a3420584ddfade6a1bc51fe83a38f037a0fa8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling differential-evolution v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "798cdd5d5917ed73a1abd0e9b9a3420584ddfade6a1bc51fe83a38f037a0fa8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798cdd5d5917ed73a1abd0e9b9a3420584ddfade6a1bc51fe83a38f037a0fa8d", kill_on_drop: false }`
[INFO] [stdout] 798cdd5d5917ed73a1abd0e9b9a3420584ddfade6a1bc51fe83a38f037a0fa8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 7fc8b120c0184ef6d75ea7f3a3054e6e9c220a0b96f349a05a53ee4581df5270
[INFO] running `Command { std: "docker" "start" "-a" "7fc8b120c0184ef6d75ea7f3a3054e6e9c220a0b96f349a05a53ee4581df5270", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/differential_evolution-c6954ba1f721e74d)
[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 differential-evolution
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 116) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fc8b120c0184ef6d75ea7f3a3054e6e9c220a0b96f349a05a53ee4581df5270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc8b120c0184ef6d75ea7f3a3054e6e9c220a0b96f349a05a53ee4581df5270", kill_on_drop: false }`
[INFO] [stdout] 7fc8b120c0184ef6d75ea7f3a3054e6e9c220a0b96f349a05a53ee4581df5270