[INFO] fetching crate mackerel_plugin_uptime 0.1.0...
[INFO] checking mackerel_plugin_uptime-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate mackerel_plugin_uptime 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mackerel_plugin_uptime 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mackerel_plugin_uptime 0.1.0
[INFO] finished tweaking crates.io crate mackerel_plugin_uptime 0.1.0
[INFO] tweaked toml for crates.io crate mackerel_plugin_uptime 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uptime_lib v0.0.0
[INFO] [stderr]   Downloaded mackerel_plugin v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0689a93be3c4a5bc2dac8c83167cd088453ae3bc47692e55486ecaaaec45655
[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" "d0689a93be3c4a5bc2dac8c83167cd088453ae3bc47692e55486ecaaaec45655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0689a93be3c4a5bc2dac8c83167cd088453ae3bc47692e55486ecaaaec45655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0689a93be3c4a5bc2dac8c83167cd088453ae3bc47692e55486ecaaaec45655", kill_on_drop: false }`
[INFO] [stdout] d0689a93be3c4a5bc2dac8c83167cd088453ae3bc47692e55486ecaaaec45655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-10-15" "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] b86f9ee0af41cb81e6fba99d48cfb23f32e5496aca5fc1da11813ed73e374510
[INFO] running `Command { std: "docker" "start" "-a" "b86f9ee0af41cb81e6fba99d48cfb23f32e5496aca5fc1da11813ed73e374510", kill_on_drop: false }`
[INFO] [stderr]     Checking uptime_lib v0.0.0
[INFO] [stderr]     Checking mackerel_plugin v0.2.5
[INFO] [stderr]     Checking mackerel_plugin_uptime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.66s
[INFO] running `Command { std: "docker" "inspect" "b86f9ee0af41cb81e6fba99d48cfb23f32e5496aca5fc1da11813ed73e374510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f9ee0af41cb81e6fba99d48cfb23f32e5496aca5fc1da11813ed73e374510", kill_on_drop: false }`
[INFO] [stdout] b86f9ee0af41cb81e6fba99d48cfb23f32e5496aca5fc1da11813ed73e374510
