[INFO] cloning repository https://github.com/7BIndustries/sliderule-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7BIndustries/sliderule-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7BIndustries%2Fsliderule-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7BIndustries%2Fsliderule-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c02acbf94f6125f930d20f9586f8942754926a81
[INFO] checking 7BIndustries/sliderule-cli against master#30662530506ed29ea29191798cb2ab8aa1249023 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7BIndustries%2Fsliderule-cli" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7BIndustries/sliderule-cli on toolchain 30662530506ed29ea29191798cb2ab8aa1249023
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30662530506ed29ea29191798cb2ab8aa1249023" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/7BIndustries/sliderule-cli
[INFO] finished tweaking git repo https://github.com/7BIndustries/sliderule-cli
[INFO] tweaked toml for git repo https://github.com/7BIndustries/sliderule-cli written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/7BIndustries/sliderule-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30662530506ed29ea29191798cb2ab8aa1249023" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 satisfies git dependency `sliderule` of package `sliderule-cli v0.3.1 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.1.6` are: 1.10.3, 1.10.2, 1.10.1, 1.10.0, 1.9.6, 1.9.5, 1.9.4, 1.9.3, 1.9.2, 1.9.1, 1.9.0, 1.8.4, 1.8.3, 1.8.2, 1.8.1, 1.8.0, 1.7.3, 1.7.2, 1.7.1, 1.7.0, 1.6.0, 1.5.6, 1.5.5, 1.5.4, 1.5.3, 1.5.2, 1.5.1, 1.5.0, 1.4.6, 1.4.5, 1.4.4, 1.4.3, 1.4.2, 1.4.1, 1.4.0, 1.3.9, 1.3.8, 1.3.7, 1.3.6, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3.0, 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 satisfies dependency `regex = "^1.0.5"` (locked to 1.0.5) of package `os_info v1.1.0`
[INFO] [stderr]     ... which satisfies dependency `os_info = "^1.1.0"` (locked to 1.1.0) of package `sliderule-cli v0.3.1 (/workspace/builds/worker-3-tc1/source)`
[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 failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.