[INFO] cloning repository https://github.com/pablo10x/rustsocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pablo10x/rustsocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpablo10x%2Frustsocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpablo10x%2Frustsocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3de4648ea24ab2079fd9f108ce29520dc7f883af
[INFO] checking pablo10x/rustsocket against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpablo10x%2Frustsocket" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pablo10x/rustsocket on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pablo10x/rustsocket
[INFO] finished tweaking git repo https://github.com/pablo10x/rustsocket
[INFO] tweaked toml for git repo https://github.com/pablo10x/rustsocket written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pablo10x/rustsocket 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_socketio v0.4.4
[INFO] [stderr]   Downloaded rust_engineio v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb555de06faddc4402c2689cc97ff92813e1e76db5a9fd1d0f1318970093391
[INFO] running `Command { std: "docker" "start" "-a" "1fb555de06faddc4402c2689cc97ff92813e1e76db5a9fd1d0f1318970093391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb555de06faddc4402c2689cc97ff92813e1e76db5a9fd1d0f1318970093391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb555de06faddc4402c2689cc97ff92813e1e76db5a9fd1d0f1318970093391", kill_on_drop: false }`
[INFO] [stdout] 1fb555de06faddc4402c2689cc97ff92813e1e76db5a9fd1d0f1318970093391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f93d6f43efe776e87bdcd35f31853c49f45bfa61c9dff7c3e5f50df82334d70
[INFO] running `Command { std: "docker" "start" "-a" "2f93d6f43efe776e87bdcd35f31853c49f45bfa61c9dff7c3e5f50df82334d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking h2 v0.3.23
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]     Checking rust_engineio v0.4.4
[INFO] [stderr]     Checking rust_socketio v0.4.4
[INFO] [stderr]     Checking rusty_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ClientBuilder`, `Payload`, `RawClient`
[INFO] [stdout]  --> main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_socketio::{ClientBuilder, Payload, RawClient};
[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]  --> main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientBuilder`, `Payload`, `RawClient`
[INFO] [stdout]  --> main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_socketio::{ClientBuilder, Payload, RawClient};
[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]  --> main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.17s
[INFO] running `Command { std: "docker" "inspect" "2f93d6f43efe776e87bdcd35f31853c49f45bfa61c9dff7c3e5f50df82334d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f93d6f43efe776e87bdcd35f31853c49f45bfa61c9dff7c3e5f50df82334d70", kill_on_drop: false }`
[INFO] [stdout] 2f93d6f43efe776e87bdcd35f31853c49f45bfa61c9dff7c3e5f50df82334d70
[INFO] checking pablo10x/rustsocket against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpablo10x%2Frustsocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pablo10x/rustsocket on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pablo10x/rustsocket
[INFO] finished tweaking git repo https://github.com/pablo10x/rustsocket
[INFO] tweaked toml for git repo https://github.com/pablo10x/rustsocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pablo10x/rustsocket 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c24df9b51adb34fb293987e310c8a329ed80c58c53cbd0d23ac3ac0aad0fe33
[INFO] running `Command { std: "docker" "start" "-a" "6c24df9b51adb34fb293987e310c8a329ed80c58c53cbd0d23ac3ac0aad0fe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c24df9b51adb34fb293987e310c8a329ed80c58c53cbd0d23ac3ac0aad0fe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c24df9b51adb34fb293987e310c8a329ed80c58c53cbd0d23ac3ac0aad0fe33", kill_on_drop: false }`
[INFO] [stdout] 6c24df9b51adb34fb293987e310c8a329ed80c58c53cbd0d23ac3ac0aad0fe33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9758d8bb4abe276c4fe38024d79748e8db567d5650f81fecd449456bbd1bdc6
[INFO] running `Command { std: "docker" "start" "-a" "f9758d8bb4abe276c4fe38024d79748e8db567d5650f81fecd449456bbd1bdc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking h2 v0.3.23
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]     Checking rust_engineio v0.4.4
[INFO] [stderr]     Checking rust_socketio v0.4.4
[INFO] [stderr]     Checking rusty_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ClientBuilder`, `Payload`, `RawClient`
[INFO] [stdout]  --> main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_socketio::{ClientBuilder, Payload, RawClient};
[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]  --> main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientBuilder`, `Payload`, `RawClient`
[INFO] [stdout]  --> main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_socketio::{ClientBuilder, Payload, RawClient};
[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]  --> main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.02s
[INFO] running `Command { std: "docker" "inspect" "f9758d8bb4abe276c4fe38024d79748e8db567d5650f81fecd449456bbd1bdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9758d8bb4abe276c4fe38024d79748e8db567d5650f81fecd449456bbd1bdc6", kill_on_drop: false }`
[INFO] [stdout] f9758d8bb4abe276c4fe38024d79748e8db567d5650f81fecd449456bbd1bdc6