[INFO] cloning repository https://github.com/devansh42/rustyEchoEcho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devansh42/rustyEchoEcho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh42%2FrustyEchoEcho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh42%2FrustyEchoEcho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53db398120f969d2f75a6c01def6c89d2020d417
[INFO] checking devansh42/rustyEchoEcho against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh42%2FrustyEchoEcho" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devansh42/rustyEchoEcho on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devansh42/rustyEchoEcho
[INFO] finished tweaking git repo https://github.com/devansh42/rustyEchoEcho
[INFO] tweaked toml for git repo https://github.com/devansh42/rustyEchoEcho written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devansh42/rustyEchoEcho 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6178d65b57761d48b05bbbc40e24b2b4320367310ef19ad851d3c002f04abdbb
[INFO] running `Command { std: "docker" "start" "-a" "6178d65b57761d48b05bbbc40e24b2b4320367310ef19ad851d3c002f04abdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6178d65b57761d48b05bbbc40e24b2b4320367310ef19ad851d3c002f04abdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6178d65b57761d48b05bbbc40e24b2b4320367310ef19ad851d3c002f04abdbb", kill_on_drop: false }`
[INFO] [stdout] 6178d65b57761d48b05bbbc40e24b2b4320367310ef19ad851d3c002f04abdbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e10f1da66a88e111801cfadcfdfd5fc9f89296c4500110ef75feabf11496b7e5
[INFO] running `Command { std: "docker" "start" "-a" "e10f1da66a88e111801cfadcfdfd5fc9f89296c4500110ef75feabf11496b7e5", kill_on_drop: false }`
[INFO] [stderr]     Checking rustyEchoEcho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SocketAddr` and `TcpStream`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddr` and `TcpStream`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenerRes` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let listenerRes = TcpListener::bind("127.0.0.1:8000");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `listener_res`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `startAcceptingConn` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn startAcceptingConn(listener: TcpListener) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `start_accepting_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     Ok(readBytes) => {
[INFO] [stdout]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `read_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   Ok(writeBytes) => println!("{} bytes were written", writeBytes),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: convert the identifier to snake case: `write_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenerRes` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let listenerRes = TcpListener::bind("127.0.0.1:8000");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `listener_res`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `startAcceptingConn` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn startAcceptingConn(listener: TcpListener) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `start_accepting_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     Ok(readBytes) => {
[INFO] [stdout]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `read_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   Ok(writeBytes) => println!("{} bytes were written", writeBytes),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: convert the identifier to snake case: `write_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "e10f1da66a88e111801cfadcfdfd5fc9f89296c4500110ef75feabf11496b7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10f1da66a88e111801cfadcfdfd5fc9f89296c4500110ef75feabf11496b7e5", kill_on_drop: false }`
[INFO] [stdout] e10f1da66a88e111801cfadcfdfd5fc9f89296c4500110ef75feabf11496b7e5
[INFO] checking devansh42/rustyEchoEcho against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh42%2FrustyEchoEcho" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devansh42/rustyEchoEcho on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devansh42/rustyEchoEcho
[INFO] finished tweaking git repo https://github.com/devansh42/rustyEchoEcho
[INFO] tweaked toml for git repo https://github.com/devansh42/rustyEchoEcho written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/devansh42/rustyEchoEcho 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c402c00da9d8d1beaeb6bb87126e213864337cb7b26c3a152743559657f2754
[INFO] running `Command { std: "docker" "start" "-a" "2c402c00da9d8d1beaeb6bb87126e213864337cb7b26c3a152743559657f2754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c402c00da9d8d1beaeb6bb87126e213864337cb7b26c3a152743559657f2754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c402c00da9d8d1beaeb6bb87126e213864337cb7b26c3a152743559657f2754", kill_on_drop: false }`
[INFO] [stdout] 2c402c00da9d8d1beaeb6bb87126e213864337cb7b26c3a152743559657f2754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b5e3b97c4a519c07e4a7ac43924d806dd3803a48212bd6e8132d1fe7e5fcb9
[INFO] running `Command { std: "docker" "start" "-a" "e2b5e3b97c4a519c07e4a7ac43924d806dd3803a48212bd6e8132d1fe7e5fcb9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustyEchoEcho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SocketAddr` and `TcpStream`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenerRes` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let listenerRes = TcpListener::bind("127.0.0.1:8000");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `listener_res`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `startAcceptingConn` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn startAcceptingConn(listener: TcpListener) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `start_accepting_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     Ok(readBytes) => {
[INFO] [stdout]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `read_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   Ok(writeBytes) => println!("{} bytes were written", writeBytes),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: convert the identifier to snake case: `write_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddr` and `TcpStream`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenerRes` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let listenerRes = TcpListener::bind("127.0.0.1:8000");
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `listener_res`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `startAcceptingConn` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn startAcceptingConn(listener: TcpListener) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `start_accepting_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     Ok(readBytes) => {
[INFO] [stdout]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `read_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeBytes` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   Ok(writeBytes) => println!("{} bytes were written", writeBytes),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: convert the identifier to snake case: `write_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e2b5e3b97c4a519c07e4a7ac43924d806dd3803a48212bd6e8132d1fe7e5fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b5e3b97c4a519c07e4a7ac43924d806dd3803a48212bd6e8132d1fe7e5fcb9", kill_on_drop: false }`
[INFO] [stdout] e2b5e3b97c4a519c07e4a7ac43924d806dd3803a48212bd6e8132d1fe7e5fcb9