[INFO] fetching crate bitutils 3.0.0...
[INFO] checking bitutils-3.0.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate bitutils 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitutils 3.0.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitutils 3.0.0
[INFO] finished tweaking crates.io crate bitutils 3.0.0
[INFO] tweaked toml for crates.io crate bitutils 3.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bf-impl v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20627a1abf2616d98467c3b6234fa66bbe1e15dd6c97256ccebbdfc8eb5fa072
[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" "20627a1abf2616d98467c3b6234fa66bbe1e15dd6c97256ccebbdfc8eb5fa072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20627a1abf2616d98467c3b6234fa66bbe1e15dd6c97256ccebbdfc8eb5fa072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20627a1abf2616d98467c3b6234fa66bbe1e15dd6c97256ccebbdfc8eb5fa072", kill_on_drop: false }`
[INFO] [stdout] 20627a1abf2616d98467c3b6234fa66bbe1e15dd6c97256ccebbdfc8eb5fa072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50373adec2f445284829eb850ae7a6ad73f3fddd6a09c6b62bfc8bb191e8aa9
[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" "b50373adec2f445284829eb850ae7a6ad73f3fddd6a09c6b62bfc8bb191e8aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bf-impl v1.0.0
[INFO] [stderr]     Checking bitutils v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "b50373adec2f445284829eb850ae7a6ad73f3fddd6a09c6b62bfc8bb191e8aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50373adec2f445284829eb850ae7a6ad73f3fddd6a09c6b62bfc8bb191e8aa9", kill_on_drop: false }`
[INFO] [stdout] b50373adec2f445284829eb850ae7a6ad73f3fddd6a09c6b62bfc8bb191e8aa9