[INFO] fetching crate slings 0.2.5...
[INFO] checking slings-0.2.5 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate slings 0.2.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slings 0.2.5 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slings 0.2.5
[INFO] finished tweaking crates.io crate slings 0.2.5
[INFO] tweaked toml for crates.io crate slings 0.2.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate slings 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] a57a1cb85541885015b772c6fbb321b78c08fe1129d87820f0e7a48d7afa5510
[INFO] running `Command { std: "docker" "start" "-a" "a57a1cb85541885015b772c6fbb321b78c08fe1129d87820f0e7a48d7afa5510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57a1cb85541885015b772c6fbb321b78c08fe1129d87820f0e7a48d7afa5510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57a1cb85541885015b772c6fbb321b78c08fe1129d87820f0e7a48d7afa5510", kill_on_drop: false }`
[INFO] [stdout] a57a1cb85541885015b772c6fbb321b78c08fe1129d87820f0e7a48d7afa5510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 159f5d5ed163c2e06655f5ee6128a640aeb69895d40c62ffbae293530cd15c33
[INFO] running `Command { std: "docker" "start" "-a" "159f5d5ed163c2e06655f5ee6128a640aeb69895d40c62ffbae293530cd15c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling io-uring v0.5.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking slings v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.94s
[INFO] running `Command { std: "docker" "inspect" "159f5d5ed163c2e06655f5ee6128a640aeb69895d40c62ffbae293530cd15c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159f5d5ed163c2e06655f5ee6128a640aeb69895d40c62ffbae293530cd15c33", kill_on_drop: false }`
[INFO] [stdout] 159f5d5ed163c2e06655f5ee6128a640aeb69895d40c62ffbae293530cd15c33