[INFO] cloning repository https://github.com/PlotnikovVV/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PlotnikovVV/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlotnikovVV%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlotnikovVV%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ff2335c33968123c406d673ba7c746afe528f8
[INFO] fixing PlotnikovVV/rust-chat against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlotnikovVV%2Frust-chat" "/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/PlotnikovVV/rust-chat
[INFO] finished tweaking git repo https://github.com/PlotnikovVV/rust-chat
[INFO] tweaked toml for git repo https://github.com/PlotnikovVV/rust-chat written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PlotnikovVV/rust-chat on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PlotnikovVV/rust-chat 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 }`
[INFO] [stdout] 34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be
[INFO] running `Command { std: "docker" "start" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be", kill_on_drop: false }`
[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" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be", kill_on_drop: false }`
[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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking tokio v1.51.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking loadtest v0.1.0 (/opt/rustwide/workdir/loadtest)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]   --> server/src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashMap, net::SocketAddr, sync::Arc};
[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: `bytes::Bytes`
[INFO] [stdout]   --> server/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |         unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &limit) };
[INFO] [stdout]     |                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |         unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &limit) };
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]   --> server/src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashMap, net::SocketAddr, sync::Arc};
[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: `bytes::Bytes`
[INFO] [stdout]   --> server/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |         unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &limit) };
[INFO] [stdout]     |                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |         unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &limit) };
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let limit = libc::rlimit {
[INFO] [stdout]     |                     ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loadtest` (bin "loadtest" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: cannot find module or crate `libc` in this scope
[INFO] [stdout]    --> loadtest/src/main.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let limit = libc::rlimit {
[INFO] [stdout]     |                     ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loadtest` (bin "loadtest") due to 3 previous errors
[INFO] [stdout] warning: field `client_id` is never read
[INFO] [stdout]   --> client/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Welcome {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 55 |         client_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `room` is never read
[INFO] [stdout]   --> client/src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     RoomMsg {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 68 |         room: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_id` is never read
[INFO] [stdout]   --> client/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Welcome {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 55 |         client_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `room` is never read
[INFO] [stdout]   --> client/src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     RoomMsg {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 68 |         room: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> server/src/main.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Client {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 132 |     id: ClientId,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> server/src/main.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Client {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 132 |     id: ClientId,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be", kill_on_drop: false }`
[INFO] [stdout] 34337a16755c5c7884af011dd2fd6a57c0225dc298767dfd69d70f09051c21be
