dev/build/lock.sh: Command not found about swift-t HOT 4 CLOSED

$ wget -nv http://swift-lang.github.io/swift-t-downloads/1.5/swift-t-1.5.0.tar.gz
2022-09-13 12:25:15 URL:https://swift-lang.github.io/swift-t-downloads/1.5/swift-t-1.5.0.tar.gz [8647943/8647943] -> "swift-t-1.5.0.tar.gz" [1]
$ tar xf swift-t-1.5.0.tar.gz 
$ find swift-t-1.5.0 -name 'lock.sh'
swift-t-1.5.0/dev/build/lock.sh

+ ./configure --config-cache --prefix=/task-bench/deps/swift/install/turbine --with-c-utils=/task-bench/deps/swift/install/c-utils --with-adlb=/task-bench/deps/swift/install/lb --with-tclsh-local=/task-bench/deps/swift/install/bin/tclsh8.6 --with-tcl-lib-dir=/task-bench/deps/swift/install/lib --with-tcl-include=/task-bench/deps/swift/install/include --with-tcl-syslib-dir=/task-bench/deps/swift/install/lib --enable-checkpoint=no --disable-static-pkg --without-zlib --disable-checkpoint --with-hdf5=no --disable-static
configure: WARNING: unrecognized options: --with-tcl-syslib-dir
configure: creating cache config.cache
Turbine version: 1.3.0
...
configure: Tcl version is not specified.
configure: Tcl location not specified, trying to find tclsh on path
checking for tclsh8.6 on path... yes: /task-bench/deps/swift/install/bin/tclsh8.6
Found Tcl at /task-bench/deps/swift/install
using Tcl lib dir: /task-bench/deps/swift/install/lib
checking for local Tcl (version: 0) executable in: /task-bench/deps/swift/install/bin/tclsh8.6... 
Could not find Tcl directory: /task-bench/deps/swift/install/bin/tclsh8.6
configure: error: failed!