[INFO] fetching crate io-enum 0.2.4...
[INFO] checking io-enum-0.2.4 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate io-enum 0.2.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate io-enum 0.2.4 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-enum 0.2.4
[INFO] finished tweaking crates.io crate io-enum 0.2.4
[INFO] tweaked toml for crates.io crate io-enum 0.2.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f7777664d52ee1cc4dd5ea55f9213717e5e66d73330d743b3003cba33e4a82
[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" "c0f7777664d52ee1cc4dd5ea55f9213717e5e66d73330d743b3003cba33e4a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f7777664d52ee1cc4dd5ea55f9213717e5e66d73330d743b3003cba33e4a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f7777664d52ee1cc4dd5ea55f9213717e5e66d73330d743b3003cba33e4a82", kill_on_drop: false }`
[INFO] [stdout] c0f7777664d52ee1cc4dd5ea55f9213717e5e66d73330d743b3003cba33e4a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4841d4acb581ae4cb748890a12323d709a06a6738857eb56154a1fa65d88411
[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" "a4841d4acb581ae4cb748890a12323d709a06a6738857eb56154a1fa65d88411", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-enum v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking derive_utils v0.11.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "a4841d4acb581ae4cb748890a12323d709a06a6738857eb56154a1fa65d88411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4841d4acb581ae4cb748890a12323d709a06a6738857eb56154a1fa65d88411", kill_on_drop: false }`
[INFO] [stdout] a4841d4acb581ae4cb748890a12323d709a06a6738857eb56154a1fa65d88411