[INFO] cloning repository https://github.com/pu0238/pluto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pu0238/pluto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpu0238%2Fpluto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpu0238%2Fpluto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ece9d7f1bc5a47789e24440e3502bc24aba6e01
[INFO] checking pu0238/pluto against master#5257aee7dd163d21d32fa904578d4fb0f4c91b79 for pr-116494-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpu0238%2Fpluto" "/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/pu0238/pluto on toolchain 5257aee7dd163d21d32fa904578d4fb0f4c91b79
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/pu0238/pluto
[INFO] finished tweaking git repo https://github.com/pu0238/pluto
[INFO] tweaked toml for git repo https://github.com/pu0238/pluto written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pu0238/pluto 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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `candid_derive`.
[INFO] [stderr]     ... required by package `candid v0.9.6`
[INFO] [stderr]     ... which satisfies dependency `candid = "^0.9.6"` of package `http_server v0.1.0 (/workspace/builds/worker-0-tc1/source/examples/src/http_server)`
[INFO] [stderr] versions that meet the requirements `=0.6.3` are: 0.6.3
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `candid_derive v0.6.6`
[INFO] [stderr]     ... which satisfies dependency `candid_derive = "=0.6.6"` of package `candid v0.10.5`
[INFO] [stderr]     ... which satisfies dependency `candid = "^0.10.5"` of package `pluto v0.2.1 (/workspace/builds/worker-0-tc1/source/src/pluto)`
[INFO] [stderr]     ... which satisfies path dependency `pluto` (locked to 0.2.1) of package `http_server v0.1.0 (/workspace/builds/worker-0-tc1/source/examples/src/http_server)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `candid_derive` 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.