[INFO] cloning repository https://github.com/iemelyanov/rs-aiosrv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iemelyanov/rs-aiosrv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Frs-aiosrv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Frs-aiosrv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e28f05e1ae5a0808006295072d9ea52e235ca956
[INFO] checking iemelyanov/rs-aiosrv against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiemelyanov%2Frs-aiosrv" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iemelyanov/rs-aiosrv on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iemelyanov/rs-aiosrv
[INFO] finished tweaking git repo https://github.com/iemelyanov/rs-aiosrv
[INFO] tweaked toml for git repo https://github.com/iemelyanov/rs-aiosrv written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iemelyanov/rs-aiosrv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71b3883ce1d44042350875721055788971e6734adb1deea91fc38bc0f95c977
[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" "b71b3883ce1d44042350875721055788971e6734adb1deea91fc38bc0f95c977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71b3883ce1d44042350875721055788971e6734adb1deea91fc38bc0f95c977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71b3883ce1d44042350875721055788971e6734adb1deea91fc38bc0f95c977", kill_on_drop: false }`
[INFO] [stdout] b71b3883ce1d44042350875721055788971e6734adb1deea91fc38bc0f95c977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4f343c14d3a20ff6bf9bc67c6e1f5b2d8d9a50699ff440699d85528bfa16993a
[INFO] running `Command { std: "docker" "start" "-a" "4f343c14d3a20ff6bf9bc67c6e1f5b2d8d9a50699ff440699d85528bfa16993a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rs-aiosrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn create() -> io::Result<(Self)> {
[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 type
[INFO] [stdout]   --> src/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn create() -> io::Result<(Self)> {
[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 8.97s
[INFO] running `Command { std: "docker" "inspect" "4f343c14d3a20ff6bf9bc67c6e1f5b2d8d9a50699ff440699d85528bfa16993a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f343c14d3a20ff6bf9bc67c6e1f5b2d8d9a50699ff440699d85528bfa16993a", kill_on_drop: false }`
[INFO] [stdout] 4f343c14d3a20ff6bf9bc67c6e1f5b2d8d9a50699ff440699d85528bfa16993a