[INFO] cloning repository https://github.com/faridguzman91/rust-chatbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faridguzman91/rust-chatbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaridguzman91%2Frust-chatbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaridguzman91%2Frust-chatbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58306bd2caa32911dca17e64d5025565410da476
[INFO] checking faridguzman91/rust-chatbot against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaridguzman91%2Frust-chatbot" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faridguzman91/rust-chatbot on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/faridguzman91/rust-chatbot
[INFO] finished tweaking git repo https://github.com/faridguzman91/rust-chatbot
[INFO] tweaked toml for git repo https://github.com/faridguzman91/rust-chatbot written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/faridguzman91/rust-chatbot 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `wasm-bindgen`.
[INFO] [stderr]     ... required by package `web-sys v0.3.77`
[INFO] [stderr]     ... which satisfies dependency `web-sys = "^0.3.77"` of package `rust-chatbot v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `=0.2.100` are: 0.2.100
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `wasm-bindgen v0.2.95`
[INFO] [stderr]     ... which satisfies dependency `wasm-bindgen = "=0.2.95"` of package `rust-chatbot v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `wasm-bindgen` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `wasm-bindgen`.
    ... required by package `web-sys v0.3.77`
    ... which satisfies dependency `web-sys = "^0.3.77"` of package `rust-chatbot v0.1.0 (/workspace/builds/worker-1-tc1/source)`
versions that meet the requirements `=0.2.100` are: 0.2.100

all possible versions conflict with previously selected packages.

  previously selected package `wasm-bindgen v0.2.95`
    ... which satisfies dependency `wasm-bindgen = "=0.2.95"` of package `rust-chatbot v0.1.0 (/workspace/builds/worker-1-tc1/source)`

failed to select a version for `wasm-bindgen` which could resolve this conflict