[INFO] cloning repository https://github.com/dirk/metriqsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dirk/metriqsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 261131f92244a32b57e2c16364e1661db2d39b76
[INFO] checking dirk/metriqsd against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dirk/metriqsd on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dirk/metriqsd
[INFO] finished tweaking git repo https://github.com/dirk/metriqsd
[INFO] tweaked toml for git repo https://github.com/dirk/metriqsd written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dirk/metriqsd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b380114cc98582cef615753e8744aff55a44c501e34b48adae639d04d227d6ed
[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" "b380114cc98582cef615753e8744aff55a44c501e34b48adae639d04d227d6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b380114cc98582cef615753e8744aff55a44c501e34b48adae639d04d227d6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b380114cc98582cef615753e8744aff55a44c501e34b48adae639d04d227d6ed", kill_on_drop: false }`
[INFO] [stdout] b380114cc98582cef615753e8744aff55a44c501e34b48adae639d04d227d6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236c2b0023826e5b03ce6430692af9015986a61022108bd2da275deb6e49b5c9
[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" "236c2b0023826e5b03ce6430692af9015986a61022108bd2da275deb6e49b5c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling string_cache v0.7.1
[INFO] [stderr]     Checking metriqs v0.1.6
[INFO] [stderr]     Checking metriqsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/runner.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stdout]    |                                         ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/runner.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stdout]    |                                         ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 13.50s
[INFO] running `Command { std: "docker" "inspect" "236c2b0023826e5b03ce6430692af9015986a61022108bd2da275deb6e49b5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236c2b0023826e5b03ce6430692af9015986a61022108bd2da275deb6e49b5c9", kill_on_drop: false }`
[INFO] [stdout] 236c2b0023826e5b03ce6430692af9015986a61022108bd2da275deb6e49b5c9