[INFO] cloning repository https://github.com/yaowenqiang/rustsevendays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaowenqiang/rustsevendays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86d3f11552d312cf38f1ff0ca01274dda11e4c86
[INFO] checking yaowenqiang/rustsevendays against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaowenqiang/rustsevendays on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaowenqiang/rustsevendays
[INFO] finished tweaking git repo https://github.com/yaowenqiang/rustsevendays
[INFO] tweaked toml for git repo https://github.com/yaowenqiang/rustsevendays written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yaowenqiang/rustsevendays 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `openssl-sys`.
[INFO] [stderr]     ... required by package `openssl v0.7.14`
[INFO] [stderr]     ... which satisfies dependency `openssl = "^0.7"` (locked to 0.7.14) of package `hyper v0.7.2`
[INFO] [stderr]     ... which satisfies dependency `hyper = "~0.7"` (locked to 0.7.2) of package `day5 v0.1.0 (/workspace/builds/worker-0-tc1/source/day5)`
[INFO] [stderr] versions that meet the requirements `^0.7.14` (locked to 0.7.17) are: 0.7.17
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys` links to the native library `openssl`, but it conflicts with a previous package which links to `openssl` as well:
[INFO] [stderr] package `openssl-sys v0.9.71`
[INFO] [stderr]     ... which satisfies dependency `openssl-sys = "^0.9.0"` (locked to 0.9.71) of package `git2 v0.13.25`
[INFO] [stderr]     ... which satisfies dependency `git2 = "^0.13"` (locked to 0.13.25) of package `day31 v0.1.0 (/workspace/builds/worker-0-tc1/source/day31)`
[INFO] [stderr] Only one package in the dependency graph may specify the same links value. This helps ensure that only one copy of a native library is linked in the final binary. Try to adjust your dependencies so that only one package uses the `links = "openssl"` value. For more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links.
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `openssl-sys` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `openssl-sys`.
    ... required by package `openssl v0.7.14`
    ... which satisfies dependency `openssl = "^0.7"` (locked to 0.7.14) of package `hyper v0.7.2`
    ... which satisfies dependency `hyper = "~0.7"` (locked to 0.7.2) of package `day5 v0.1.0 (/workspace/builds/worker-0-tc1/source/day5)`
versions that meet the requirements `^0.7.14` (locked to 0.7.17) are: 0.7.17

package `openssl-sys` links to the native library `openssl`, but it conflicts with a previous package which links to `openssl` as well:
package `openssl-sys v0.9.71`
    ... which satisfies dependency `openssl-sys = "^0.9.0"` (locked to 0.9.71) of package `git2 v0.13.25`
    ... which satisfies dependency `git2 = "^0.13"` (locked to 0.13.25) of package `day31 v0.1.0 (/workspace/builds/worker-0-tc1/source/day31)`
Only one package in the dependency graph may specify the same links value. This helps ensure that only one copy of a native library is linked in the final binary. Try to adjust your dependencies so that only one package uses the `links = "openssl"` value. For more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links.

failed to select a version for `openssl-sys` which could resolve this conflict