[INFO] fetching crate hubs 0.1.1...
[INFO] checking hubs-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate hubs 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hubs 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hubs 0.1.1
[INFO] finished tweaking crates.io crate hubs 0.1.1
[INFO] tweaked toml for crates.io crate hubs 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5528a04f82148dabd962b7b6848618ae2e3bde03c94be54965c7f907845c9330
[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" "5528a04f82148dabd962b7b6848618ae2e3bde03c94be54965c7f907845c9330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5528a04f82148dabd962b7b6848618ae2e3bde03c94be54965c7f907845c9330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5528a04f82148dabd962b7b6848618ae2e3bde03c94be54965c7f907845c9330", kill_on_drop: false }`
[INFO] [stdout] 5528a04f82148dabd962b7b6848618ae2e3bde03c94be54965c7f907845c9330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 216d0924fdfac0048eda6afe0da6cb9d23f6e1d8822e6e9522263c68bb6e5154
[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" "216d0924fdfac0048eda6afe0da6cb9d23f6e1d8822e6e9522263c68bb6e5154", kill_on_drop: false }`
[INFO] [stderr]     Checking hubs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/hubs_test_basic.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |             for i in 0 .. chunk_count{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "216d0924fdfac0048eda6afe0da6cb9d23f6e1d8822e6e9522263c68bb6e5154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216d0924fdfac0048eda6afe0da6cb9d23f6e1d8822e6e9522263c68bb6e5154", kill_on_drop: false }`
[INFO] [stdout] 216d0924fdfac0048eda6afe0da6cb9d23f6e1d8822e6e9522263c68bb6e5154
