[INFO] cloning repository https://github.com/Kavinci/gs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kavinci/gs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavinci%2Fgs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavinci%2Fgs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 375a6117dfb9af309eb2102342102e0198b60829
[INFO] checking Kavinci/gs against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavinci%2Fgs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kavinci/gs
[INFO] finished tweaking git repo https://github.com/Kavinci/gs
[INFO] tweaked toml for git repo https://github.com/Kavinci/gs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kavinci/gs on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kavinci/gs 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `parity-scale-codec`.
[INFO] [stderr]     ... required by package `gstd v1.0.2`
[INFO] [stderr]     ... which satisfies dependency `gstd = "^1"` of package `io v0.0.2`
[INFO] [stderr]     ... which satisfies dependency `io = "*"` (locked to 0.0.2) of package `gs v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^3.6.4` are: 3.7.5, 3.7.4, 3.6.12, 3.6.11, 3.6.10, 3.6.9, 3.6.5, 3.6.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `parity-scale-codec v3.1.2`
[INFO] [stderr]     ... which satisfies dependency `parity-scale-codec = "^3"` of package `io v0.0.2`
[INFO] [stderr]     ... which satisfies dependency `io = "*"` (locked to 0.0.2) of package `gs v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `parity-scale-codec` which could resolve this conflict


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for `parity-scale-codec`.
    ... required by package `gstd v1.0.2`
    ... which satisfies dependency `gstd = "^1"` of package `io v0.0.2`
    ... which satisfies dependency `io = "*"` (locked to 0.0.2) of package `gs v0.1.0 (/workspace/builds/worker-4-tc1/source)`
versions that meet the requirements `^3.6.4` are: 3.7.5, 3.7.4, 3.6.12, 3.6.11, 3.6.10, 3.6.9, 3.6.5, 3.6.4

all possible versions conflict with previously selected packages.

  previously selected package `parity-scale-codec v3.1.2`
    ... which satisfies dependency `parity-scale-codec = "^3"` of package `io v0.0.2`
    ... which satisfies dependency `io = "*"` (locked to 0.0.2) of package `gs v0.1.0 (/workspace/builds/worker-4-tc1/source)`

failed to select a version for `parity-scale-codec` which could resolve this conflict