[INFO] fetching crate download 0.0.0...
[INFO] checking download-0.0.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate download 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate download 0.0.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate download 0.0.0
[INFO] finished tweaking crates.io crate download 0.0.0
[INFO] tweaked toml for crates.io crate download 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 083a7f0ab53fbd7613c8931690d8ffb5e2a21e8d2fe7c8e8658c2f0f41ea34ad
[INFO] running `Command { std: "docker" "start" "-a" "083a7f0ab53fbd7613c8931690d8ffb5e2a21e8d2fe7c8e8658c2f0f41ea34ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083a7f0ab53fbd7613c8931690d8ffb5e2a21e8d2fe7c8e8658c2f0f41ea34ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083a7f0ab53fbd7613c8931690d8ffb5e2a21e8d2fe7c8e8658c2f0f41ea34ad", kill_on_drop: false }`
[INFO] [stdout] 083a7f0ab53fbd7613c8931690d8ffb5e2a21e8d2fe7c8e8658c2f0f41ea34ad
[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=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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 451f07c3a93328324c2479ea0d164aa1a24dfb14596b9aca9b828a2cc5508795
[INFO] running `Command { std: "docker" "start" "-a" "451f07c3a93328324c2479ea0d164aa1a24dfb14596b9aca9b828a2cc5508795", kill_on_drop: false }`
[INFO] [stderr]     Checking download v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "451f07c3a93328324c2479ea0d164aa1a24dfb14596b9aca9b828a2cc5508795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451f07c3a93328324c2479ea0d164aa1a24dfb14596b9aca9b828a2cc5508795", kill_on_drop: false }`
[INFO] [stdout] 451f07c3a93328324c2479ea0d164aa1a24dfb14596b9aca9b828a2cc5508795