Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From http://isl.gforge.inria.fr/isl-0.22.1.tar.bz2...
In procedure connect*: Connection timed out

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://ftp.nluug.nl/mirror/languages/gcc/infrastructure/isl-0.22.1.tar.bz2...
Throw to key `ftp-error' with args `(#<input-output: socket 13> "RETR isl-0.22.1.tar.bz2" 550 "Failed to open file.\r")'.

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://ftp.fu-berlin.de/unix/languages/gcc/infrastructure/isl-0.22.1.tar.bz2...
Throw to key `ftp-error' with args `(#<input-output: socket 15> "RETR isl-0.22.1.tar.bz2" 550 "isl-0.22.1.tar.bz2: No such file or directory\r")'.

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/infrastructure/isl-0.22.1.tar.bz2...
Throw to key `ftp-error' with args `(#<input-output: socket 17> "RETR isl-0.22.1.tar.bz2" 550 "Failed to open file.\r")'.

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://gcc.gnu.org/pub/gcc/infrastructure/isl-0.22.1.tar.bz2...
Throw to key `ftp-error' with args `(#<input-output: socket 19> "RETR isl-0.22.1.tar.bz2" 550 "Failed to open file.\r")'.

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From https://ftpmirror.gnu.org/gnu//gcc/infrastructure/isl-0.22.1.tar.bz2...
following redirection to `https://mirror.easyname.at/gnu/gcc/infrastructure/isl-0.22.1.tar.bz2'...
download failed "https://mirror.easyname.at/gnu/gcc/infrastructure/isl-0.22.1.tar.bz2" 404 "Not Found"

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://ftp.cs.tu-berlin.de/pub/gnu//gcc/infrastructure/isl-0.22.1.tar.bz2...
In procedure getaddrinfo: Name or service not known

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From ftp://ftp.funet.fi/pub/mirrors/ftp.gnu.org/gnu//gcc/infrastructure/isl-0.22.1.tar.bz2...
Throw to key `ftp-error' with args `(#<input-output: socket 22> "CWD infrastructure" 550 "Can't change directory to infrastructure: No such file or directory\r")'.

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From http://ftp.gnu.org/pub/gnu//gcc/infrastructure/isl-0.22.1.tar.bz2...
download failed "http://ftp.gnu.org/pub/gnu//gcc/infrastructure/isl-0.22.1.tar.bz2" 404 "Not Found"

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From https://ci.guix.gnu.org/file/isl-0.22.1.tar.bz2/sha256/1kf54jib0nind1pvakblnfhimmwzm0y1llz8470ag0di5vwqwrhs...
download failed "https://ci.guix.gnu.org/file/isl-0.22.1.tar.bz2/sha256/1kf54jib0nind1pvakblnfhimmwzm0y1llz8470ag0di5vwqwrhs" 404 "Not Found"

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From https://tarballs.nixos.org/sha256/1kf54jib0nind1pvakblnfhimmwzm0y1llz8470ag0di5vwqwrhs...
download failed "https://tarballs.nixos.org/sha256/1kf54jib0nind1pvakblnfhimmwzm0y1llz8470ag0di5vwqwrhs" 404 "Not Found"

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From https://archive.softwareheritage.org/api/1/content/sha256:1a668ef92eb181a7c021e8531a3ca89fd71aa1b3744db56f68365ab0a224c5cd/raw/...
download failed "https://archive.softwareheritage.org/api/1/content/sha256:1a668ef92eb181a7c021e8531a3ca89fd71aa1b3744db56f68365ab0a224c5cd/raw/" 404 "Not Found"

Starting download of /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2
From https://web.archive.org/web/20221031164102/http://isl.gforge.inria.fr/isl-0.22.1.tar.bz2...
download failed "https://web.archive.org/web/20221031164102/http://isl.gforge.inria.fr/isl-0.22.1.tar.bz2" 404 "NOT FOUND"
Trying to use Disarchive to assemble /gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2...
download failed "https://disarchive.ngyro.com/sha256/1a668ef92eb181a7c021e8531a3ca89fd71aa1b3744db56f68365ab0a224c5cd" 404 "Not Found"
could not find its Disarchive specification
failed to download "/gnu/store/r5ddacdfkmldlaga2q0fjhddb6xi91bi-isl-0.22.1.tar.bz2" from ("http://isl.gforge.inria.fr/isl-0.22.1.tar.bz2" "mirror://gcc/infrastructure/isl-0.22.1.tar.bz2")