[INFO] fetching crate ouroboros 0.9.5...
[INFO] checking ouroboros-0.9.5 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ouroboros 0.9.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ouroboros 0.9.5 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 ouroboros 0.9.5
[INFO] finished tweaking crates.io crate ouroboros 0.9.5
[INFO] tweaked toml for crates.io crate ouroboros 0.9.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 037ad995944332c62d390c792fd7e2269fbfa8ccf4eed70ba8cddc1e7713de2a
[INFO] running `Command { std: "docker" "start" "-a" "037ad995944332c62d390c792fd7e2269fbfa8ccf4eed70ba8cddc1e7713de2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "037ad995944332c62d390c792fd7e2269fbfa8ccf4eed70ba8cddc1e7713de2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037ad995944332c62d390c792fd7e2269fbfa8ccf4eed70ba8cddc1e7713de2a", kill_on_drop: false }`
[INFO] [stdout] 037ad995944332c62d390c792fd7e2269fbfa8ccf4eed70ba8cddc1e7713de2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] a0bd5ad680a923013c5c838d534f6a62b7f23ef51c83694ba9e3dc1962cf3ef9
[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" "a0bd5ad680a923013c5c838d534f6a62b7f23ef51c83694ba9e3dc1962cf3ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ouroboros_macro v0.9.5
[INFO] [stderr]     Checking ouroboros v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "a0bd5ad680a923013c5c838d534f6a62b7f23ef51c83694ba9e3dc1962cf3ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bd5ad680a923013c5c838d534f6a62b7f23ef51c83694ba9e3dc1962cf3ef9", kill_on_drop: false }`
[INFO] [stdout] a0bd5ad680a923013c5c838d534f6a62b7f23ef51c83694ba9e3dc1962cf3ef9