[INFO] cloning repository redox-os/ion
[INFO] running `"git" "clone" "--bare" "git://github.com/redox-os/ion.git" "work/cache/sources/gh/redox-os/ion"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/redox-os/ion'...
[INFO] running `"git" "clone" "work/cache/sources/gh/redox-os/ion" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/redox-os/ion"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/redox-os/ion'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/redox-os/ion" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/redox-os/ion"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/redox-os/ion'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71db07269cc30924731ac58a135b1f57f63a7d82
[INFO] sha for GitHub repo redox-os/ion: 71db07269cc30924731ac58a135b1f57f63a7d82
[INFO] validating manifest of redox-os/ion on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of redox-os/ion on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing redox-os/ion
[INFO] removed workspace from redox-os/ion
[INFO] removed path dependency ion-ranges from redox-os/ion
[INFO] removed path dependency ion_braces from redox-os/ion
[INFO] removed path dependency ion_builtins from redox-os/ion
[INFO] removed path dependency ion_lexers from redox-os/ion
[INFO] removed path dependency ion_sys from redox-os/ion
[INFO] finished frobbing redox-os/ion
[INFO] frobbed toml for redox-os/ion written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/redox-os/ion/Cargo.toml
[INFO] started frobbing redox-os/ion
[INFO] removed workspace from redox-os/ion
[INFO] removed path dependency ion-ranges from redox-os/ion
[INFO] removed path dependency ion_braces from redox-os/ion
[INFO] removed path dependency ion_builtins from redox-os/ion
[INFO] removed path dependency ion_lexers from redox-os/ion
[INFO] removed path dependency ion_sys from redox-os/ion
[INFO] finished frobbing redox-os/ion
[INFO] frobbed toml for redox-os/ion written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/redox-os/ion/Cargo.toml
[INFO] crate redox-os/ion already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/liner`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/syscall.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/calc`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/small`
[INFO] [stderr] error: no matching package named `ion-ranges` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `ion-shell v1.0.0-alpha (/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/redox-os/ion)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed