[INFO] fetching crate symbolic-proguard 7.5.0...
[INFO] checking symbolic-proguard-7.5.0 against beta for pr-78714
[INFO] extracting crate symbolic-proguard 7.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate symbolic-proguard 7.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-proguard 7.5.0
[INFO] finished tweaking crates.io crate symbolic-proguard 7.5.0
[INFO] tweaked toml for crates.io crate symbolic-proguard 7.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17f85adc1b2ebe79cb744f095ae94fe1d7b0f96b0a18062f94f7bbdb150f67e5
[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" "17f85adc1b2ebe79cb744f095ae94fe1d7b0f96b0a18062f94f7bbdb150f67e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f85adc1b2ebe79cb744f095ae94fe1d7b0f96b0a18062f94f7bbdb150f67e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f85adc1b2ebe79cb744f095ae94fe1d7b0f96b0a18062f94f7bbdb150f67e5", kill_on_drop: false }`
[INFO] [stdout] 17f85adc1b2ebe79cb744f095ae94fe1d7b0f96b0a18062f94f7bbdb150f67e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71644f150d9ff09a7e4d9a53c76c99cd0be24d0c88ec5bea51f2f7f034c189e5
[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" "71644f150d9ff09a7e4d9a53c76c99cd0be24d0c88ec5bea51f2f7f034c189e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking proguard v4.0.1
[INFO] [stderr]     Checking symbolic-common v7.5.0
[INFO] [stderr]     Checking symbolic-proguard v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "71644f150d9ff09a7e4d9a53c76c99cd0be24d0c88ec5bea51f2f7f034c189e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71644f150d9ff09a7e4d9a53c76c99cd0be24d0c88ec5bea51f2f7f034c189e5", kill_on_drop: false }`
[INFO] [stdout] 71644f150d9ff09a7e4d9a53c76c99cd0be24d0c88ec5bea51f2f7f034c189e5