[INFO] cloning repository https://github.com/Gabriel-JM/rust-chat-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gabriel-JM/rust-chat-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-JM%2Frust-chat-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-JM%2Frust-chat-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c6853989786147bca7ff69d5fb6356c50448b9
[INFO] testing Gabriel-JM/rust-chat-tokio against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-JM%2Frust-chat-tokio" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gabriel-JM/rust-chat-tokio on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gabriel-JM/rust-chat-tokio
[INFO] finished tweaking git repo https://github.com/Gabriel-JM/rust-chat-tokio
[INFO] tweaked toml for git repo https://github.com/Gabriel-JM/rust-chat-tokio written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/Gabriel-JM/rust-chat-tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff48fc7b6b97d01613e823f812f4ea3a587a855059098a4e3428b4025e01b74
[INFO] running `Command { std: "docker" "start" "-a" "aff48fc7b6b97d01613e823f812f4ea3a587a855059098a4e3428b4025e01b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff48fc7b6b97d01613e823f812f4ea3a587a855059098a4e3428b4025e01b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff48fc7b6b97d01613e823f812f4ea3a587a855059098a4e3428b4025e01b74", kill_on_drop: false }`
[INFO] [stdout] aff48fc7b6b97d01613e823f812f4ea3a587a855059098a4e3428b4025e01b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2630fde71219608dcf1df8af0941b36bd3e233a125a2a387564ab1834f8bff20
[INFO] running `Command { std: "docker" "start" "-a" "2630fde71219608dcf1df8af0941b36bd3e233a125a2a387564ab1834f8bff20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling rust-chat-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]  --> src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stdout]   |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stdout]   |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "2630fde71219608dcf1df8af0941b36bd3e233a125a2a387564ab1834f8bff20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2630fde71219608dcf1df8af0941b36bd3e233a125a2a387564ab1834f8bff20", kill_on_drop: false }`
[INFO] [stdout] 2630fde71219608dcf1df8af0941b36bd3e233a125a2a387564ab1834f8bff20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a53ae981924dae3c9afbd0ac3d53121ca6873fb2e2e2c496a575129d9766351
[INFO] running `Command { std: "docker" "start" "-a" "3a53ae981924dae3c9afbd0ac3d53121ca6873fb2e2e2c496a575129d9766351", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chat-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]  --> src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stdout]   |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stdout]   |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "3a53ae981924dae3c9afbd0ac3d53121ca6873fb2e2e2c496a575129d9766351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a53ae981924dae3c9afbd0ac3d53121ca6873fb2e2e2c496a575129d9766351", kill_on_drop: false }`
[INFO] [stdout] 3a53ae981924dae3c9afbd0ac3d53121ca6873fb2e2e2c496a575129d9766351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb11c6e29352650aa1a5d9e3adc03b601ec26a5bc6cf755f6ac7ec866e43a93c
[INFO] running `Command { std: "docker" "start" "-a" "cb11c6e29352650aa1a5d9e3adc03b601ec26a5bc6cf755f6ac7ec866e43a93c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]  --> src/main.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stderr]   |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let (tx, rx) = broadcast::channel::<String>(10);
[INFO] [stderr]   |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-chat-tokio` (bin "rust-chat-tokio" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_chat_tokio-264bfa08a04a6af6)
[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" "cb11c6e29352650aa1a5d9e3adc03b601ec26a5bc6cf755f6ac7ec866e43a93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb11c6e29352650aa1a5d9e3adc03b601ec26a5bc6cf755f6ac7ec866e43a93c", kill_on_drop: false }`
[INFO] [stdout] cb11c6e29352650aa1a5d9e3adc03b601ec26a5bc6cf755f6ac7ec866e43a93c