[INFO] cloning repository https://github.com/robinhundt/rust-mpc-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinhundt/rust-mpc-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinhundt%2Frust-mpc-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinhundt%2Frust-mpc-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ec374429f87590cce24bf6f81d1cb7078bf9831
[INFO] checking robinhundt/rust-mpc-exercise against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinhundt%2Frust-mpc-exercise" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robinhundt/rust-mpc-exercise
[INFO] finished tweaking git repo https://github.com/robinhundt/rust-mpc-exercise
[INFO] tweaked toml for git repo https://github.com/robinhundt/rust-mpc-exercise written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robinhundt/rust-mpc-exercise on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/robinhundt/rust-mpc-exercise 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c06d3019c2a4f19cbd7a33f1b98e6e6f0625c27b66f7767a36433d1886dd763f
[INFO] running `Command { std: "docker" "start" "-a" "c06d3019c2a4f19cbd7a33f1b98e6e6f0625c27b66f7767a36433d1886dd763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c06d3019c2a4f19cbd7a33f1b98e6e6f0625c27b66f7767a36433d1886dd763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06d3019c2a4f19cbd7a33f1b98e6e6f0625c27b66f7767a36433d1886dd763f", kill_on_drop: false }`
[INFO] [stdout] c06d3019c2a4f19cbd7a33f1b98e6e6f0625c27b66f7767a36433d1886dd763f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddbc0b60d8d113184916451151cdce78519b3af2516b44535dee06b77f07f69e
[INFO] running `Command { std: "docker" "start" "-a" "ddbc0b60d8d113184916451151cdce78519b3af2516b44535dee06b77f07f69e", kill_on_drop: false }`
[INFO] [stderr]     Checking mpc-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/circuit.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn parse(circuit: &str) -> Self {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/party.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn new_party_pair(circuit: Circuit) -> (Party, Party) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/party.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_args`
[INFO] [stdout]   --> src/party.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/party.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn execute(&mut self, input: Vec<bool>) -> Result<Vec<bool>, ()> { // TODO change error type
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Party` is more private than the item `new_party_pair`
[INFO] [stdout]   --> src/party.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn new_party_pair(circuit: Circuit) -> (Party, Party) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `new_party_pair` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Party` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/party.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Party {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `circuit` is never read
[INFO] [stdout]  --> src/party.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Party {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     circuit: (),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute` are never used
[INFO] [stdout]   --> src/party.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Party {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     /// Create a new party.
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn execute(&mut self, input: Vec<bool>) -> Result<Vec<bool>, ()> { // TODO change error type
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MTProvider` is never used
[INFO] [stdout]   --> src/mul_triple.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | trait MTProvider {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/circuit.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn parse(circuit: &str) -> Self {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/party.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn new_party_pair(circuit: Circuit) -> (Party, Party) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]   --> src/party.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_args`
[INFO] [stdout]   --> src/party.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/party.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn execute(&mut self, input: Vec<bool>) -> Result<Vec<bool>, ()> { // TODO change error type
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Party` is more private than the item `new_party_pair`
[INFO] [stdout]   --> src/party.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn new_party_pair(circuit: Circuit) -> (Party, Party) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `new_party_pair` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Party` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/party.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Party {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `circuit` is never read
[INFO] [stdout]  --> src/party.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Party {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     circuit: (),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute` are never used
[INFO] [stdout]   --> src/party.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Party {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     /// Create a new party.
[INFO] [stdout] 22 |     pub fn new(circuit: (), other_args: ()) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn execute(&mut self, input: Vec<bool>) -> Result<Vec<bool>, ()> { // TODO change error type
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MTProvider` is never used
[INFO] [stdout]   --> src/mul_triple.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | trait MTProvider {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ddbc0b60d8d113184916451151cdce78519b3af2516b44535dee06b77f07f69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbc0b60d8d113184916451151cdce78519b3af2516b44535dee06b77f07f69e", kill_on_drop: false }`
[INFO] [stdout] ddbc0b60d8d113184916451151cdce78519b3af2516b44535dee06b77f07f69e