[INFO] fetching crate symbolic-proguard 7.4.0...
[INFO] checking symbolic-proguard-7.4.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate symbolic-proguard 7.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate symbolic-proguard 7.4.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-proguard 7.4.0
[INFO] finished tweaking crates.io crate symbolic-proguard 7.4.0
[INFO] tweaked toml for crates.io crate symbolic-proguard 7.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] e66f05a7adf2453035495beb07c4d0b13bccf78f00e77c1f75a76105986c8e98
[INFO] running `Command { std: "docker" "start" "-a" "e66f05a7adf2453035495beb07c4d0b13bccf78f00e77c1f75a76105986c8e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66f05a7adf2453035495beb07c4d0b13bccf78f00e77c1f75a76105986c8e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66f05a7adf2453035495beb07c4d0b13bccf78f00e77c1f75a76105986c8e98", kill_on_drop: false }`
[INFO] [stdout] e66f05a7adf2453035495beb07c4d0b13bccf78f00e77c1f75a76105986c8e98
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 9ec07efdac266c03f98a59984200cbb471f45c786c90947b6853be8012661007
[INFO] running `Command { std: "docker" "start" "-a" "9ec07efdac266c03f98a59984200cbb471f45c786c90947b6853be8012661007", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking proguard v4.0.1
[INFO] [stderr]     Checking symbolic-common v7.4.0
[INFO] [stderr]     Checking symbolic-proguard v7.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "9ec07efdac266c03f98a59984200cbb471f45c786c90947b6853be8012661007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec07efdac266c03f98a59984200cbb471f45c786c90947b6853be8012661007", kill_on_drop: false }`
[INFO] [stdout] 9ec07efdac266c03f98a59984200cbb471f45c786c90947b6853be8012661007