[INFO] cloning repository https://github.com/biplab5464/aggregator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biplab5464/aggregator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2c0fedabd766c061bd80d72a86e1484cef351a7
[INFO] checking biplab5464/aggregator against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/biplab5464/aggregator
[INFO] finished tweaking git repo https://github.com/biplab5464/aggregator
[INFO] tweaked toml for git repo https://github.com/biplab5464/aggregator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/biplab5464/aggregator on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/biplab5464/aggregator 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded hermit-abi v0.3.6
[INFO] [stderr]   Downloaded websockets v0.3.0
[INFO] [stderr]   Downloaded tempfile v3.10.0
[INFO] [stderr]   Downloaded bumpalo v3.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e0de12304124418a3f8ba94a18c0615fb0f63690e8bef24ff1d31cff34f025d
[INFO] running `Command { std: "docker" "start" "-a" "4e0de12304124418a3f8ba94a18c0615fb0f63690e8bef24ff1d31cff34f025d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0de12304124418a3f8ba94a18c0615fb0f63690e8bef24ff1d31cff34f025d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0de12304124418a3f8ba94a18c0615fb0f63690e8bef24ff1d31cff34f025d", kill_on_drop: false }`
[INFO] [stdout] 4e0de12304124418a3f8ba94a18c0615fb0f63690e8bef24ff1d31cff34f025d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f234526963b8570ae609f98ad0b5d10af09accbbb39540017b690d4e321ae0
[INFO] running `Command { std: "docker" "start" "-a" "a4f234526963b8570ae609f98ad0b5d10af09accbbb39540017b690d4e321ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking idna v0.5.0
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[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking sha-1 v0.9.8
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[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.12
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[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
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[INFO] [stderr]     Checking aggregator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey`
[INFO] [stdout]  --> src/server.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey`
[INFO] [stdout]  --> src/server.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey`
[INFO] [stdout]  --> src/client.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/client.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey`
[INFO] [stdout]  --> src/client.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/client.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/client.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..5 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/client.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..5 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     tx.send(average);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     let _ = tx.send(average);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     tx.send(average);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     let _ = tx.send(average);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a4f234526963b8570ae609f98ad0b5d10af09accbbb39540017b690d4e321ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f234526963b8570ae609f98ad0b5d10af09accbbb39540017b690d4e321ae0", kill_on_drop: false }`
[INFO] [stdout] a4f234526963b8570ae609f98ad0b5d10af09accbbb39540017b690d4e321ae0
