[INFO] cloning repository https://github.com/poe-iit/poe-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poe-iit/poe-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoe-iit%2Fpoe-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoe-iit%2Fpoe-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03965da0bfc2821b289b2138390f144c7bb7c7e1
[INFO] checking poe-iit/poe-core against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoe-iit%2Fpoe-core" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poe-iit/poe-core on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poe-iit/poe-core
[INFO] finished tweaking git repo https://github.com/poe-iit/poe-core
[INFO] tweaked toml for git repo https://github.com/poe-iit/poe-core written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/poe-iit/poe-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0db4792b98a58df5a5f2d430fadd574e873af478c8c2fdde03219f7d4e8982c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0db4792b98a58df5a5f2d430fadd574e873af478c8c2fdde03219f7d4e8982c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db4792b98a58df5a5f2d430fadd574e873af478c8c2fdde03219f7d4e8982c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db4792b98a58df5a5f2d430fadd574e873af478c8c2fdde03219f7d4e8982c0", kill_on_drop: false }`
[INFO] [stdout] 0db4792b98a58df5a5f2d430fadd574e873af478c8c2fdde03219f7d4e8982c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c7e3383832a93efefdf9e9d3520bc16d410c07c1f87688397dc77640cdfe88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27c7e3383832a93efefdf9e9d3520bc16d410c07c1f87688397dc77640cdfe88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
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[INFO] [stderr]     Checking takeable-option v0.5.0
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
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[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
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[INFO] [stderr]     Checking tokio v0.3.1
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[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking tokio-rustls v0.20.0
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking imgui v0.5.0
[INFO] [stderr]     Checking imgui-glium-renderer v0.5.0
[INFO] [stderr]     Checking imgui-winit-support v0.5.0
[INFO] [stderr]     Checking poe_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Die`
[INFO] [stdout]    --> src/node.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     Die,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]    --> src/node.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     handle: tokio::task::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait`
[INFO] [stdout]    --> src/node.rs:202:18
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub async fn wait(self) {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `terminate`
[INFO] [stdout]    --> src/node.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub async fn terminate(self) {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Broadcast`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Broadcast(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Die`
[INFO] [stdout]    --> src/node.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     Die,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]    --> src/node.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     handle: tokio::task::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait`
[INFO] [stdout]    --> src/node.rs:202:18
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub async fn wait(self) {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `terminate`
[INFO] [stdout]    --> src/node.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub async fn terminate(self) {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Broadcast`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Broadcast(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "27c7e3383832a93efefdf9e9d3520bc16d410c07c1f87688397dc77640cdfe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c7e3383832a93efefdf9e9d3520bc16d410c07c1f87688397dc77640cdfe88", kill_on_drop: false }`
[INFO] [stdout] 27c7e3383832a93efefdf9e9d3520bc16d410c07c1f87688397dc77640cdfe88