[INFO] fetching crate rumq-broker 0.1.0-alpha.10...
[INFO] checking rumq-broker-0.1.0-alpha.10 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate rumq-broker 0.1.0-alpha.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rumq-broker 0.1.0-alpha.10 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d74d9e83e3b85674160d43edb0ba3bea657ca79ed3ef8e717ca70dbb9bfe0d4e
[INFO] running `Command { std: "docker" "start" "-a" "d74d9e83e3b85674160d43edb0ba3bea657ca79ed3ef8e717ca70dbb9bfe0d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74d9e83e3b85674160d43edb0ba3bea657ca79ed3ef8e717ca70dbb9bfe0d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74d9e83e3b85674160d43edb0ba3bea657ca79ed3ef8e717ca70dbb9bfe0d4e", kill_on_drop: false }`
[INFO] [stdout] d74d9e83e3b85674160d43edb0ba3bea657ca79ed3ef8e717ca70dbb9bfe0d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0d1c2b34f62159b84b786e9f3053d1c3af23e85df4fe70ebf1c2d51c520a1c
[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" "9c0d1c2b34f62159b84b786e9f3053d1c3af23e85df4fe70ebf1c2d51c520a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking thiserror v1.0.25
[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 1m 17s
[INFO] running `Command { std: "docker" "inspect" "9c0d1c2b34f62159b84b786e9f3053d1c3af23e85df4fe70ebf1c2d51c520a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0d1c2b34f62159b84b786e9f3053d1c3af23e85df4fe70ebf1c2d51c520a1c", kill_on_drop: false }`
[INFO] [stdout] 9c0d1c2b34f62159b84b786e9f3053d1c3af23e85df4fe70ebf1c2d51c520a1c