[INFO] fetching crate sai 0.1.4...
[INFO] checking sai-0.1.4 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate sai 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sai 0.1.4 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sai 0.1.4
[INFO] finished tweaking crates.io crate sai 0.1.4
[INFO] tweaked toml for crates.io crate sai 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", 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] c123e817e17bc3e9646bec3bdc543cbbb3d921fb8c01a91238e987db8f9984c4
[INFO] running `Command { std: "docker" "start" "-a" "c123e817e17bc3e9646bec3bdc543cbbb3d921fb8c01a91238e987db8f9984c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c123e817e17bc3e9646bec3bdc543cbbb3d921fb8c01a91238e987db8f9984c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c123e817e17bc3e9646bec3bdc543cbbb3d921fb8c01a91238e987db8f9984c4", kill_on_drop: false }`
[INFO] [stdout] c123e817e17bc3e9646bec3bdc543cbbb3d921fb8c01a91238e987db8f9984c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 4a3c5933c502acbf12a9d335a092da1549236ad6fb6ad3e6d73262954d65f89f
[INFO] running `Command { std: "docker" "start" "-a" "4a3c5933c502acbf12a9d335a092da1549236ad6fb6ad3e6d73262954d65f89f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking libc v0.2.97
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling sai_component_derive v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking sai v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]    --> src/system.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         number: Option<u32>
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 27.02s
[INFO] running `Command { std: "docker" "inspect" "4a3c5933c502acbf12a9d335a092da1549236ad6fb6ad3e6d73262954d65f89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3c5933c502acbf12a9d335a092da1549236ad6fb6ad3e6d73262954d65f89f", kill_on_drop: false }`
[INFO] [stdout] 4a3c5933c502acbf12a9d335a092da1549236ad6fb6ad3e6d73262954d65f89f