[INFO] updating cached repository 7BIndustries/sliderule-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/7BIndustries/sliderule-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/7BIndustries/sliderule-cli" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/7BIndustries/sliderule-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/7BIndustries/sliderule-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/7BIndustries/sliderule-cli" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/7BIndustries/sliderule-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/7BIndustries/sliderule-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c02acbf94f6125f930d20f9586f8942754926a81
[INFO] sha for GitHub repo 7BIndustries/sliderule-cli: c02acbf94f6125f930d20f9586f8942754926a81
[INFO] validating manifest of 7BIndustries/sliderule-cli on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 7BIndustries/sliderule-cli on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 7BIndustries/sliderule-cli
[INFO] finished frobbing 7BIndustries/sliderule-cli
[INFO] frobbed toml for 7BIndustries/sliderule-cli written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/7BIndustries/sliderule-cli/Cargo.toml
[INFO] started frobbing 7BIndustries/sliderule-cli
[INFO] finished frobbing 7BIndustries/sliderule-cli
[INFO] frobbed toml for 7BIndustries/sliderule-cli written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/7BIndustries/sliderule-cli/Cargo.toml
[INFO] crate 7BIndustries/sliderule-cli already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/7bindustries/sliderule-rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `regex`.
[INFO] [stderr]     ... required by package `sliderule v0.2.1 (https://github.com/7bindustries/sliderule-rs#f8633781)`
[INFO] [stderr]     ... which is depended on by `sliderule-cli v0.3.1 (/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/7BIndustries/sliderule-cli)`
[INFO] [stderr] versions that meet the requirements `^1.1.6` are: 1.2.1, 1.2.0, 1.1.9, 1.1.8, 1.1.7, 1.1.6
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `regex v1.0.5`
[INFO] [stderr]     ... which is depended on by `globset v0.4.2`
[INFO] [stderr]     ... which is depended on by `ignore v0.4.6`
[INFO] [stderr]     ... which is depended on by `globwalk v0.6.0`
[INFO] [stderr]     ... which is depended on by `sliderule v0.2.1 (https://github.com/7bindustries/sliderule-rs#f8633781)`
[INFO] [stderr]     ... which is depended on by `sliderule-cli v0.3.1 (/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/7BIndustries/sliderule-cli)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `regex` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed