[INFO] cloning repository https://github.com/kencani/sub-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kencani/sub-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9b9acebd09c56ef7785885294e9c6be643685d7
[INFO] checking kencani/sub-homework against master#f00b02e6bbe63707503f058fb87cc3e2b25991ac for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain f00b02e6bbe63707503f058fb87cc3e2b25991ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc1/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc1/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` 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.
[INFO] checking kencani/sub-homework against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` which could resolve this conflict
[INFO] checking kencani/sub-homework against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` which could resolve this conflict
[INFO] checking kencani/sub-homework against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` which could resolve this conflict
[INFO] checking kencani/sub-homework against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` which could resolve this conflict
[INFO] checking kencani/sub-homework against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub-homework" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub-homework on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub-homework
[INFO] finished tweaking git repo https://github.com/kencani/sub-homework
[INFO] tweaked toml for git repo https://github.com/kencani/sub-homework written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub-homework 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" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 `serde_json`.
[INFO] [stderr]     ... required by package `sc-cli v0.10.0-dev (https://github.com/paritytech/substrate.git?tag=monthly-2021-12#b6c1c1bc)`
[INFO] [stderr]     ... which satisfies git dependency `sc-cli` of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] versions that meet the requirements `^1.0.71` are: 1.0.117, 1.0.116, 1.0.115, 1.0.114, 1.0.113, 1.0.112, 1.0.111, 1.0.110, 1.0.109, 1.0.108, 1.0.107, 1.0.106, 1.0.105, 1.0.104, 1.0.103, 1.0.102, 1.0.101, 1.0.100, 1.0.99, 1.0.98, 1.0.97, 1.0.96, 1.0.95, 1.0.94, 1.0.93, 1.0.92, 1.0.91, 1.0.90, 1.0.89, 1.0.88, 1.0.87, 1.0.86, 1.0.85, 1.0.84, 1.0.83, 1.0.82, 1.0.81, 1.0.80, 1.0.79, 1.0.78, 1.0.77, 1.0.76, 1.0.75, 1.0.74, 1.0.73, 1.0.72, 1.0.71
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `serde_json v1.0.68`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0"` (locked to 1.0.68) of package `jsonrpc-core v18.0.0`
[INFO] [stderr]     ... which satisfies dependency `jsonrpc-core = "^18.0.0"` (locked to 18.0.0) of package `node-template v4.0.0-dev (/workspace/builds/worker-7-tc2/source/node)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde_json` 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.