[INFO] cloning repository https://github.com/yangfh2004/zk-proof-math-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangfh2004/zk-proof-math-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangfh2004%2Fzk-proof-math-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangfh2004%2Fzk-proof-math-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7315fe4131d81e5bc0d662cc08d97b2c6e4250
[INFO] building yangfh2004/zk-proof-math-practice against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangfh2004%2Fzk-proof-math-practice" "/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/yangfh2004/zk-proof-math-practice on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yangfh2004/zk-proof-math-practice
[INFO] finished tweaking git repo https://github.com/yangfh2004/zk-proof-math-practice
[INFO] tweaked toml for git repo https://github.com/yangfh2004/zk-proof-math-practice written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yangfh2004/zk-proof-math-practice 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91dbc367bfaa397230465b7c888266d922dc5370049e082bae7d3d18cfef6f43
[INFO] running `Command { std: "docker" "start" "-a" "91dbc367bfaa397230465b7c888266d922dc5370049e082bae7d3d18cfef6f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91dbc367bfaa397230465b7c888266d922dc5370049e082bae7d3d18cfef6f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dbc367bfaa397230465b7c888266d922dc5370049e082bae7d3d18cfef6f43", kill_on_drop: false }`
[INFO] [stdout] 91dbc367bfaa397230465b7c888266d922dc5370049e082bae7d3d18cfef6f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214b04c3750fe39e1e4f81a372941914a3d87d1b262759d41354ba47d1b5072f
[INFO] running `Command { std: "docker" "start" "-a" "214b04c3750fe39e1e4f81a372941914a3d87d1b262759d41354ba47d1b5072f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling sha3 v0.10.6
[INFO] [stderr]    Compiling crypto-math-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `gen_private_key` is never used
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn gen_private_key() -> Scalar {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_pub_key` is never used
[INFO] [stdout]   --> src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn gen_pub_key(private_key: Scalar) -> RistrettoPoint {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `commitment` is never used
[INFO] [stdout]   --> src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn commitment() -> (Scalar, RistrettoPoint) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `challenge` is never used
[INFO] [stdout]   --> src/main.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn challenge(pubkey: RistrettoPoint, commitment: RistrettoPoint) -> Scalar {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `challenge_with_mixin` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn challenge_with_mixin(commitment: RistrettoPoint,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `response` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn response(v: Scalar, challenge: Scalar, private_key: Scalar) -> Scalar {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proof` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn proof(commitment: RistrettoPoint,
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proof_with_mixin` is never used
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn proof_with_mixin(pubkey: RistrettoPoint, challenge: Scalar, response: Scalar,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_time_address` is never used
[INFO] [stdout]    --> src/main.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn one_time_address(tx_key: Scalar,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recover_private_key` is never used
[INFO] [stdout]    --> src/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn recover_private_key(tx_key: Scalar, key_a: Scalar, key_b: Scalar) -> Scalar {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "214b04c3750fe39e1e4f81a372941914a3d87d1b262759d41354ba47d1b5072f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214b04c3750fe39e1e4f81a372941914a3d87d1b262759d41354ba47d1b5072f", kill_on_drop: false }`
[INFO] [stdout] 214b04c3750fe39e1e4f81a372941914a3d87d1b262759d41354ba47d1b5072f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4108fb035dc4e896745a687353678c285c3a98ba2c1a7610fd4d88ce3168715d
[INFO] running `Command { std: "docker" "start" "-a" "4108fb035dc4e896745a687353678c285c3a98ba2c1a7610fd4d88ce3168715d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypto-math-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4108fb035dc4e896745a687353678c285c3a98ba2c1a7610fd4d88ce3168715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4108fb035dc4e896745a687353678c285c3a98ba2c1a7610fd4d88ce3168715d", kill_on_drop: false }`
[INFO] [stdout] 4108fb035dc4e896745a687353678c285c3a98ba2c1a7610fd4d88ce3168715d