[INFO] cloning repository https://github.com/tsinghtech-research/mqsrv-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsinghtech-research/mqsrv-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghtech-research%2Fmqsrv-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghtech-research%2Fmqsrv-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22bb2270a64a43255573605aad10ea12bf0ddcfc
[INFO] testing tsinghtech-research/mqsrv-rs against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghtech-research%2Fmqsrv-rs" "/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/tsinghtech-research/mqsrv-rs on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tsinghtech-research/mqsrv-rs
[INFO] finished tweaking git repo https://github.com/tsinghtech-research/mqsrv-rs
[INFO] tweaked toml for git repo https://github.com/tsinghtech-research/mqsrv-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tsinghtech-research/mqsrv-rs 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/examples/run_client_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client_event`
[INFO] [stderr]   * `example` target `run_client_event`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/examples/run_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client`
[INFO] [stderr]   * `example` target `run_client`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/examples/run_server_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server_event`
[INFO] [stderr]   * `example` target `run_server_event`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/examples/run_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server`
[INFO] [stderr]   * `example` target `run_server`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.8.20
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[INFO] [stderr]   Downloaded rand v0.9.0
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[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7c532d378080ef9783e3abd782c60db14b3cdf083065aa299fc38203178ea6e
[INFO] running `Command { std: "docker" "start" "-a" "d7c532d378080ef9783e3abd782c60db14b3cdf083065aa299fc38203178ea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7c532d378080ef9783e3abd782c60db14b3cdf083065aa299fc38203178ea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c532d378080ef9783e3abd782c60db14b3cdf083065aa299fc38203178ea6e", kill_on_drop: false }`
[INFO] [stdout] d7c532d378080ef9783e3abd782c60db14b3cdf083065aa299fc38203178ea6e
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b094d77965bbc3e83d9349d37f31d38f2c69f30d31204665a33af87993fcf0
[INFO] running `Command { std: "docker" "start" "-a" "f8b094d77965bbc3e83d9349d37f31d38f2c69f30d31204665a33af87993fcf0", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client`
[INFO] [stderr]   * `example` target `run_client`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client_event`
[INFO] [stderr]   * `example` target `run_client_event`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server`
[INFO] [stderr]   * `example` target `run_server`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server_event`
[INFO] [stderr]   * `example` target `run_server_event`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.170
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[INFO] [stderr]    Compiling once_cell v1.20.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
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[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling uuid v1.15.1
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling amq-protocol-types v7.2.2
[INFO] [stderr]    Compiling amq-protocol-uri v7.2.2
[INFO] [stderr]    Compiling amq-protocol-tcp v7.2.2
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling config v0.14.1
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling async-global-executor v3.1.0
[INFO] [stderr]    Compiling async-global-executor-trait v2.2.0
[INFO] [stderr]    Compiling mqsrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]   --> src/client.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde_json::{json, Value};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]   --> src/server.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MessageQueueServer {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pool_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_client_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> examples/run_server_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_server_event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> examples/run_server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> examples/run_server.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> examples/run_server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]   --> examples/run_server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::time::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name` and `worker` are never used
[INFO] [stdout]   --> examples/run_server.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl FibClass {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn name(&self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn worker(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "f8b094d77965bbc3e83d9349d37f31d38f2c69f30d31204665a33af87993fcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b094d77965bbc3e83d9349d37f31d38f2c69f30d31204665a33af87993fcf0", kill_on_drop: false }`
[INFO] [stdout] f8b094d77965bbc3e83d9349d37f31d38f2c69f30d31204665a33af87993fcf0
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f217c9a2f90990cf28806fc9ee8c0a519c4961661e14b955952c53d358de49ff
[INFO] running `Command { std: "docker" "start" "-a" "f217c9a2f90990cf28806fc9ee8c0a519c4961661e14b955952c53d358de49ff", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server`
[INFO] [stderr]   * `example` target `run_server`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client`
[INFO] [stderr]   * `example` target `run_client`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server_event`
[INFO] [stderr]   * `example` target `run_server_event`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client_event`
[INFO] [stderr]   * `example` target `run_client_event`
[INFO] [stderr]    Compiling tokio v1.44.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling mqsrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]   --> src/client.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde_json::{json, Value};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]   --> src/server.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MessageQueueServer {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pool_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]   --> src/client.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde_json::{json, Value};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> examples/run_server_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_server_event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> examples/run_server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> examples/run_server.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> examples/run_server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]   --> examples/run_server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::time::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_client_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_client_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> examples/run_server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> examples/run_server.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> examples/run_server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]   --> examples/run_server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::time::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> examples/run_server_event.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/run_server_event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name` and `worker` are never used
[INFO] [stdout]   --> examples/run_server.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl FibClass {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn name(&self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn worker(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name` and `worker` are never used
[INFO] [stdout]   --> examples/run_server.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl FibClass {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn name(&self) -> String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn worker(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pool_size` is never read
[INFO] [stdout]   --> src/server.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MessageQueueServer {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pool_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "f217c9a2f90990cf28806fc9ee8c0a519c4961661e14b955952c53d358de49ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f217c9a2f90990cf28806fc9ee8c0a519c4961661e14b955952c53d358de49ff", kill_on_drop: false }`
[INFO] [stdout] f217c9a2f90990cf28806fc9ee8c0a519c4961661e14b955952c53d358de49ff
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 440b4341939462def2d801c4952b2314fafe1526493858f6702d081b17b26f64
[INFO] running `Command { std: "docker" "start" "-a" "440b4341939462def2d801c4952b2314fafe1526493858f6702d081b17b26f64", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client_event`
[INFO] [stderr]   * `example` target `run_client_event`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_client`
[INFO] [stderr]   * `example` target `run_client`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server`
[INFO] [stderr]   * `example` target `run_server`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/run_server_event.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `run_server_event`
[INFO] [stderr]   * `example` target `run_server_event`
[INFO] [stderr] warning: unused import: `json`
[INFO] [stderr]   --> src/client.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde_json::{json, Value};
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `pool_size` is never read
[INFO] [stderr]   --> src/server.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct MessageQueueServer {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pool_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mqsrv-rs` (lib) generated 2 warnings (run `cargo fix --lib -p mqsrv-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `mqsrv-rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> examples/run_server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> examples/run_server.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::{Read};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]   --> examples/run_server.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::process;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::sleep`
[INFO] [stderr]   --> examples/run_server.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tokio::time::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `name` and `worker` are never used
[INFO] [stderr]   --> examples/run_server.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl FibClass {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn name(&self) -> String {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn worker(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::json`
[INFO] [stderr]  --> examples/run_server_event.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde_json::json;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/run_server_event.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/run_client_event.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mqsrv-rs` (example "run_server") generated 5 warnings (run `cargo fix --example "run_server"` to apply 4 suggestions)
[INFO] [stderr] warning: `mqsrv-rs` (example "run_server_event") generated 2 warnings (run `cargo fix --example "run_server_event"` to apply 2 suggestions)
[INFO] [stderr] warning: `mqsrv-rs` (example "run_client_event") generated 1 warning (run `cargo fix --example "run_client_event"` to apply 1 suggestion)
[INFO] [stderr] warning: `mqsrv-rs` (bin "run_server_event" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `mqsrv-rs` (bin "run_server" test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `mqsrv-rs` (bin "run_client_event" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqsrv_rs-128cee9c5fa8a541)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/run_client.rs (/opt/rustwide/target/debug/deps/run_client-a2e20195f9ff6037)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests examples/run_client_event.rs (/opt/rustwide/target/debug/deps/run_client_event-a77000c09ff5f7db)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/run_server.rs (/opt/rustwide/target/debug/deps/run_server-80a4dc0ce1e94a3a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/run_server_event.rs (/opt/rustwide/target/debug/deps/run_server_event-cc472a9c52a2ed8d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqsrv_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "440b4341939462def2d801c4952b2314fafe1526493858f6702d081b17b26f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440b4341939462def2d801c4952b2314fafe1526493858f6702d081b17b26f64", kill_on_drop: false }`
[INFO] [stdout] 440b4341939462def2d801c4952b2314fafe1526493858f6702d081b17b26f64