[INFO] fetching crate num_enum_derive 0.5.1...
[INFO] checking num_enum_derive-0.5.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate num_enum_derive 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate num_enum_derive 0.5.1 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 114c56e5c538ebe56f4dc8eee1b63a19c0a79ca7c7d1eacd2253bd5f08ae348a
[INFO] running `Command { std: "docker" "start" "-a" "114c56e5c538ebe56f4dc8eee1b63a19c0a79ca7c7d1eacd2253bd5f08ae348a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114c56e5c538ebe56f4dc8eee1b63a19c0a79ca7c7d1eacd2253bd5f08ae348a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114c56e5c538ebe56f4dc8eee1b63a19c0a79ca7c7d1eacd2253bd5f08ae348a", kill_on_drop: false }`
[INFO] [stdout] 114c56e5c538ebe56f4dc8eee1b63a19c0a79ca7c7d1eacd2253bd5f08ae348a
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f984faf5ebeebfb3a8be0d8c69f6ba3eb71c6fa2d8a4f5d80087615fc426e28
[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" "9f984faf5ebeebfb3a8be0d8c69f6ba3eb71c6fa2d8a4f5d80087615fc426e28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking toml v0.5.7
[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 11.02s
[INFO] running `Command { std: "docker" "inspect" "9f984faf5ebeebfb3a8be0d8c69f6ba3eb71c6fa2d8a4f5d80087615fc426e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f984faf5ebeebfb3a8be0d8c69f6ba3eb71c6fa2d8a4f5d80087615fc426e28", kill_on_drop: false }`
[INFO] [stdout] 9f984faf5ebeebfb3a8be0d8c69f6ba3eb71c6fa2d8a4f5d80087615fc426e28