[INFO] fetching crate num_enum_derive 0.5.1...
[INFO] checking num_enum_derive-0.5.1 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate num_enum_derive 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate num_enum_derive 0.5.1 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num_enum_derive 0.5.1
[INFO] finished tweaking crates.io crate num_enum_derive 0.5.1
[INFO] tweaked toml for crates.io crate num_enum_derive 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] c055823b872249e9961a4ea8f5c9ba421dbe63a3e611983cc7b6c7b061406e45
[INFO] running `Command { std: "docker" "start" "-a" "c055823b872249e9961a4ea8f5c9ba421dbe63a3e611983cc7b6c7b061406e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c055823b872249e9961a4ea8f5c9ba421dbe63a3e611983cc7b6c7b061406e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c055823b872249e9961a4ea8f5c9ba421dbe63a3e611983cc7b6c7b061406e45", kill_on_drop: false }`
[INFO] [stdout] c055823b872249e9961a4ea8f5c9ba421dbe63a3e611983cc7b6c7b061406e45
[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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9dd45ce5b5719fc408f98e893ae14bbe1005d9256c86a308203b06eb56df4d
[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" "4f9dd45ce5b5719fc408f98e893ae14bbe1005d9256c86a308203b06eb56df4d", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.60
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking num_enum_derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "4f9dd45ce5b5719fc408f98e893ae14bbe1005d9256c86a308203b06eb56df4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9dd45ce5b5719fc408f98e893ae14bbe1005d9256c86a308203b06eb56df4d", kill_on_drop: false }`
[INFO] [stdout] 4f9dd45ce5b5719fc408f98e893ae14bbe1005d9256c86a308203b06eb56df4d