[INFO] cloning repository https://github.com/toobamalaika/Asynchronous-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toobamalaika/Asynchronous-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoobamalaika%2FAsynchronous-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoobamalaika%2FAsynchronous-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 811dedc0535de092f147f0c57777f8527fce7db0
[INFO] checking toobamalaika/Asynchronous-Rust against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoobamalaika%2FAsynchronous-Rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toobamalaika/Asynchronous-Rust 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 git repo https://github.com/toobamalaika/Asynchronous-Rust
[INFO] finished tweaking git repo https://github.com/toobamalaika/Asynchronous-Rust
[INFO] tweaked toml for git repo https://github.com/toobamalaika/Asynchronous-Rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/toobamalaika/Asynchronous-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded event-listener v2.3.2
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded blocking v0.4.7
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b99fab774a95157f44bf075e7c80230e53efccc4fc33d6986a6ebd78dc84d1
[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" "16b99fab774a95157f44bf075e7c80230e53efccc4fc33d6986a6ebd78dc84d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b99fab774a95157f44bf075e7c80230e53efccc4fc33d6986a6ebd78dc84d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b99fab774a95157f44bf075e7c80230e53efccc4fc33d6986a6ebd78dc84d1", kill_on_drop: false }`
[INFO] [stdout] 16b99fab774a95157f44bf075e7c80230e53efccc4fc33d6986a6ebd78dc84d1
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78e3e79c4dc844b3c41d895e438de328a413dab4bcd077de7596b8a7b48cf44
[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" "b78e3e79c4dc844b3c41d895e438de328a413dab4bcd077de7596b8a7b48cf44", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking event-listener v2.3.2
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking Rust-Async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Async` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust_Async` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_async`
[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 41.54s
[INFO] running `Command { std: "docker" "inspect" "b78e3e79c4dc844b3c41d895e438de328a413dab4bcd077de7596b8a7b48cf44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78e3e79c4dc844b3c41d895e438de328a413dab4bcd077de7596b8a7b48cf44", kill_on_drop: false }`
[INFO] [stdout] b78e3e79c4dc844b3c41d895e438de328a413dab4bcd077de7596b8a7b48cf44