[INFO] fetching crate rumq-broker 0.1.0-alpha.10...
[INFO] checking rumq-broker-0.1.0-alpha.10 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate rumq-broker 0.1.0-alpha.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rumq-broker 0.1.0-alpha.10 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumq-broker 0.1.0-alpha.10
[INFO] finished tweaking crates.io crate rumq-broker 0.1.0-alpha.10
[INFO] tweaked toml for crates.io crate rumq-broker 0.1.0-alpha.10 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d56fcbc2d30eead1dfa6a291de3f6165ad5a7e028d01a5c5d26c9f1cbf0008
[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" "c6d56fcbc2d30eead1dfa6a291de3f6165ad5a7e028d01a5c5d26c9f1cbf0008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d56fcbc2d30eead1dfa6a291de3f6165ad5a7e028d01a5c5d26c9f1cbf0008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d56fcbc2d30eead1dfa6a291de3f6165ad5a7e028d01a5c5d26c9f1cbf0008", kill_on_drop: false }`
[INFO] [stdout] c6d56fcbc2d30eead1dfa6a291de3f6165ad5a7e028d01a5c5d26c9f1cbf0008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780fac0d7198071c94d0196b40525141bed49ca40a1d6c3f86ab759842c0ad22
[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" "780fac0d7198071c94d0196b40525141bed49ca40a1d6c3f86ab759842c0ad22", kill_on_drop: false }`
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking rumq-core v0.1.0-alpha.10
[INFO] [stderr]     Checking rumq-broker v0.1.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `AllSendersDown`
[INFO] [stdout]   --> src/router.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     AllSendersDown,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AllSendersDown`
[INFO] [stdout]   --> src/router.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     AllSendersDown,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `Command { std: "docker" "inspect" "780fac0d7198071c94d0196b40525141bed49ca40a1d6c3f86ab759842c0ad22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780fac0d7198071c94d0196b40525141bed49ca40a1d6c3f86ab759842c0ad22", kill_on_drop: false }`
[INFO] [stdout] 780fac0d7198071c94d0196b40525141bed49ca40a1d6c3f86ab759842c0ad22