[INFO] cloning repository https://github.com/sergevar/pointchain-substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergevar/pointchain-substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 067abbe0ff106deeb03691c8546863d9658425a4
[INFO] checking sergevar/pointchain-substrate against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] finished tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] tweaked toml for git repo https://github.com/sergevar/pointchain-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergevar/pointchain-substrate on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergevar/pointchain-substrate 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `log`.
[INFO] [stderr]     ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
[INFO] [stderr]     ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `log v0.4.13`
[INFO] [stderr]     ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `log` which could resolve this conflict
[INFO] checking sergevar/pointchain-substrate against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] finished tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] tweaked toml for git repo https://github.com/sergevar/pointchain-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergevar/pointchain-substrate on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergevar/pointchain-substrate 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `log`.
[INFO] [stderr]     ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
[INFO] [stderr]     ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `log v0.4.13`
[INFO] [stderr]     ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `log` which could resolve this conflict
[INFO] checking sergevar/pointchain-substrate against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] finished tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] tweaked toml for git repo https://github.com/sergevar/pointchain-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergevar/pointchain-substrate on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergevar/pointchain-substrate 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `log`.
[INFO] [stderr]     ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
[INFO] [stderr]     ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `log v0.4.13`
[INFO] [stderr]     ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `log` which could resolve this conflict
[INFO] checking sergevar/pointchain-substrate against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] finished tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] tweaked toml for git repo https://github.com/sergevar/pointchain-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergevar/pointchain-substrate on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergevar/pointchain-substrate 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `log`.
[INFO] [stderr]     ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
[INFO] [stderr]     ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `log v0.4.13`
[INFO] [stderr]     ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `log` which could resolve this conflict
[INFO] checking sergevar/pointchain-substrate against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergevar%2Fpointchain-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] finished tweaking git repo https://github.com/sergevar/pointchain-substrate
[INFO] tweaked toml for git repo https://github.com/sergevar/pointchain-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergevar/pointchain-substrate on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergevar/pointchain-substrate 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `log`.
[INFO] [stderr]     ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
[INFO] [stderr]     ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
[INFO] [stderr]     ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `log v0.4.13`
[INFO] [stderr]     ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `log` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating git repository `https://github.com/paritytech/substrate.git`
           Updating crates.io index
       error: failed to select a version for `log`.
           ... required by package `frame-support v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
           ... which satisfies git dependency `frame-support` of package `pallet-nicks v3.0.0 (https://github.com/paritytech/substrate.git?tag=monthly-2021-05#70ef0afc)`
           ... which satisfies git dependency `pallet-nicks` of package `node-template-runtime v3.0.0 (/workspace/builds/worker-6-tc2/source/runtime)`
           ... which satisfies path dependency `node-template-runtime` (locked to 3.0.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
       versions that meet the requirements `^0.4.14` are: 0.4.29, 0.4.28, 0.4.27, 0.4.26, 0.4.25, 0.4.22, 0.4.21, 0.4.20, 0.4.19, 0.4.18, 0.4.17, 0.4.16, 0.4.15, 0.4.14
       
       all possible versions conflict with previously selected packages
       
         previously selected package `log v0.4.13`
           ... which satisfies dependency `log = "^0.4"` (locked to 0.4.13) of package `jsonrpc-core v15.1.0`
           ... which satisfies dependency `jsonrpc-core = "^15.1.0"` (locked to 15.1.0) of package `node-template v3.0.0 (/workspace/builds/worker-6-tc2/source/node)`
       
       failed to select a version for `log` which could resolve this conflict