[INFO] cloning repository https://github.com/SecureObject/to-do
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SecureObject/to-do" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecureObject%2Fto-do", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecureObject%2Fto-do'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6378ed2b86870b91a3631ec131ef5f4efd02c065
[INFO] checking SecureObject/to-do against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecureObject%2Fto-do" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SecureObject/to-do on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SecureObject/to-do
[INFO] finished tweaking git repo https://github.com/SecureObject/to-do
[INFO] tweaked toml for git repo https://github.com/SecureObject/to-do written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SecureObject/to-do 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `env = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 1.0.1, 1.0.0, 0.0.0
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `task v0.1.0 (/workspace/builds/worker-4-tc1/source)`


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `env = "^0.1.0"` (locked to 0.1.0)
candidate versions found which didn't match: 1.0.1, 1.0.0, 0.0.0
location searched: crates.io index
required by package `task v0.1.0 (/workspace/builds/worker-4-tc1/source)`