[INFO] cloning repository https://github.com/vicsnet/Zero-Knowledge-proof-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vicsnet/Zero-Knowledge-proof-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsnet%2FZero-Knowledge-proof-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsnet%2FZero-Knowledge-proof-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c5849e1ad57da56e8114efee1d467418d88988
[INFO] checking vicsnet/Zero-Knowledge-proof-in-rust against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsnet%2FZero-Knowledge-proof-in-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vicsnet/Zero-Knowledge-proof-in-rust
[INFO] finished tweaking git repo https://github.com/vicsnet/Zero-Knowledge-proof-in-rust
[INFO] tweaked toml for git repo https://github.com/vicsnet/Zero-Knowledge-proof-in-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vicsnet/Zero-Knowledge-proof-in-rust on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vicsnet/Zero-Knowledge-proof-in-rust 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e86f4bec8d6262bced7d45c4d92fc4e285776b64453d9dcfe0702973c7f5faaf" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86f4bec8d6262bced7d45c4d92fc4e285776b64453d9dcfe0702973c7f5faaf", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let  mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |          let mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |              let mut auth_id_to_user = &mut self.auth_id_to_user.lock().unwrap();
[INFO] [stdout]    |                  ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut auth_id_to_user_hashmap = &mut self.auth_id_to_user.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let  mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |          let mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |              let mut auth_id_to_user = &mut self.auth_id_to_user.lock().unwrap();
[INFO] [stdout]    |                  ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut auth_id_to_user_hashmap = &mut self.auth_id_to_user.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut user_info_hashmap = &mut self.user_info.lock().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.48s
[INFO] running `Command { std: "docker" "inspect" "e86f4bec8d6262bced7d45c4d92fc4e285776b64453d9dcfe0702973c7f5faaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86f4bec8d6262bced7d45c4d92fc4e285776b64453d9dcfe0702973c7f5faaf", kill_on_drop: false }`
[INFO] [stdout] e86f4bec8d6262bced7d45c4d92fc4e285776b64453d9dcfe0702973c7f5faaf
